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Items where contributor is "Engel, Andreas H"

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2011

Goldsbury, C. and Baxa, U. and Simon, M. N. and Steven, A. C. and Engel, A. and Wall, J. S. and Aebi, U. and Muller, S. A.. (2011) Amyloid structure and assembly : insights from scanning transmission electron microscopy. Journal of structural biology, Vol. 173, H. 11-13. S. 1-13.

Teoh, C. L. and Pham, C. L. and Todorova, N. and Hung, A. and Lincoln, C. N. and Lees, E. and Lam, Y. H. and Binger, K. J. and Thomson, N. H. and Radford, S. E. and Smith, T. A. and Muller, S. A. and Engel, A. and Griffin, M. D. and Yarovsky, I. and Gooley, P. R. and Howlett, G. J.. (2011) A structural model for apolipoprotein C-II amyloid fibrils : experimental characterization and molecular dynamics simulations. Journal of molecular biology, Vol. 405, H. 5. S. 1246-1266.

Coudray, N. and Hermann, G. and Caujolle-Bert, D. and Karathanou, A. and Erne-Brand, F. and Buessler, J. L. and Daum, P. and Plitzko, J. M. and Chami, M. and Mueller, U. and Kihl, H. and Urban, J. P. and Engel, A. and Remigy, H. W.. (2011) Automated screening of 2D crystallization trials using transmission electron microscopy : a high-throughput tool-chain for sample preparation and microscopic analysis. Journal of structural biology, Vol. 173, H. 2. S. 365-374.

Mustafi, D. and Kevany, B. M. and Genoud, C. and Okano, K. and Cideciyan, A. V. and Sumaroka, A. and Roman, A. J. and Jacobson, S. G. and Engel, A. and Adams, M. D. and Palczewski, K.. (2011) Defective photoreceptor phagocytosis in a mouse model of enhanced S-cone syndrome causes progressive retinal degeneration. The FASEB Journal, Vol. 25, H. 9. S. 3157-3176.

Lauer, M. E. and Grassmann, O. and Siam, M. and Tardio, J. and Jacob, L. and Page, S. and Kindt, J. H. and Engel, A. and Alsenz, J.. (2011) Atomic force microscopy-based screening of drug-excipient miscibility and stability of solid dispersions. Pharmaceutical research, Vol. 28, H. 3. S. 572-584.

Kouyianou, K. and De Bock, P. J. and Muller, S. A. and Nikolaki, A. and Rizos, A. and Krzyzanek, V. and Aktoudianaki, A. and Vandekerckhove, J. and Engel, A. and Gevaert, K. and Tsiotis, G.. (2011) The chlorosome of Chlorobaculum tepidum : size, mass and protein composition revealed by electron microscopy, dynamic light scattering and mass spectrometry-driven proteomics. Proteomics, Vol. 11, H. 14. S. 2867-2880.

Mariani, V. and Schenk, A. D. and Philippsen, A. and Engel, A.. (2011) Simulation and correction of electron images of tilted planar weak-phase samples. Journal of structural biology, Vol. 174, H. 2. S. 259-268.

Jastrzebska, B. and Ringler, P. and Lodowski, D. T. and Moiseenkova-Bell, V. and Golczak, M. and Muller, S. A. and Palczewski, K. and Engel, A.. (2011) Rhodopsin-transducin heteropentamer : three-dimensional structure and biochemical characterization. Journal of structural biology, Vol. 176, H. 3. S. 387-394.

Muller, S. A. and Muller, D. J. and Engel, A.. (2011) Assessing the structure and function of single biomolecules with scanning transmission electron and atomic force microscopes. Micron, Vol. 42, H. 2. S. 186-195.

Engel, Andreas. (2011) Imaging and interrogating native membrane proteins using the atomic force microscope. Methods in Molecular Biology, Vol. 736. S. 153-167.

Dufrene, Y. F. and Evans, E. and Engel, A. and Helenius, J. and Gaub, H. E. and Muller, D. J.. (2011) Five challenges to bringing single-molecule force spectroscopy into living cells. Nature Methods, Vol. 8, H. 2. S. 123-127.

Mustafi, D. and Avishai, A. and Avishai, N. and Engel, A. and Heuer, A. and Palczewski, K.. (2011) Serial sectioning for examination of photoreceptor cell architecture by focused ion beam technology. Journal of neuroscience methods, Vol. 198, no. 1. S. 70-76.

Hartmann, C. and Engel, A.. (2011) Cloning, expression, purification, and characterization of the membrane protein UncI from Escherichia coli. Protein expression and purification, Vol. 79, H. 2. S. 187-190.

2010

Engel, A.. (2010) Assessing Biological Samples with Scanning Probes. In: Single molecule spectroscopy in chemistry, physics and biology. Heidelberg, S. 417-431.

Bruning, M. and Kreplak, L. and Leopoldseder, S. and Muller, S. A. and Ringler, P. and Duchesne, L. and Fernig, D. G. and Engel, A. and Ucurum-Fotiadis, Z. and Mayans, O.. (2010) Bipartite design of a self-fibrillating protein copolymer with nanopatterned peptide display capabilities. Nano Letters, Vol. 10, H. 11. S. 4533-4537.

Lange, Vivien and Becker-Baldus, Johanna and Kunert, Britta and van Rossum, Barth-Jan and Casagrande, Fabio and Engel, Andreas and Roske, Yvette and Scheffel, Frank M. and Schneider, Erwin and Oschkinat, Hartmut. (2010) A MAS NMR study of the bacterial ABC transporter ArtMP. ChemBioChem, Vol. 11, H. 4. S. 547-555.

Mouro-Chanteloup, I. and Cochet, S. and Chami, M. and Genetet, S. and Zidi-Yahiaoui, N. and Engel, A. and Colin, Y. and Bertrand, O. and Ripoche, P.. (2010) Functional reconstitution into liposomes of purified human RhCG ammonia channel. PLoS one, Vol. 5, H. 1 , e8921.

Goc, A. and Chami, M. and Lodowski, D. T. and Bosshart, P. and Moiseenkova-Bell, V. and Baehr, W. and Engel, A. and Palczewski, K.. (2010) Structural characterization of the rod cGMP phosphodiesterase 6. Journal of molecular biology, Vol. 401, H. 3. S. 363-73.

2009

Hilleringmann, M. and Ringler, P. and Müller, S. A. and De Angelis, G. and Rappuoli, R. and Ferlenghi, I. and Engel, A.. (2009) Molecular architecture of Streptococcus pneumoniae TIGR4 pili. The EMBO journal, Vol. 28, H. 24. S. 3921-3930.

Iacovache, I. and Biasini, M. and Kowal, J. and Kukulski, W. and Chami, M. and van der Goot, F. G. and Engel, A. and Remigy, H. W.. (2009) The 2DX robot : a membrane protein 2D crystallization Swiss Army knife. Journal of structural biology, Vol. 169, H. 3 , S 370-378.

Krzyzanek, V. and Müller, S. A. and Engel, A. and Reichelt, R.. (2009) MASDET-A fast and user-friendly multiplatform software for mass determination by dark-field electron microscopy. Journal of structural biology, Vol. 165, H. 2. S. 78-87.

Lundback, A. K. and Müller, S. A. and Engel, A. and Hebert, H.. (2009) Assembly of Kch, a putative potassium channel from Escherichia coli. Journal of structural biology, Vol. 168, H. 2. S. 288-293.

Engel, A.. (2009) Scanning transmission electron microscopy : biological Applications. In: Cold field emission and the scanning transmission electron microscope. Amsterdam, S. 357-386.

Mustafi, D. and Engel, A. H. and Palczewski, K.. (2009) Structure of cone photoreceptors. Progress in retinal and eye research, Vol. 28, no. 4. S. 289-302.

Jastrzebska, B. and Golczak, M. and Fotiadis, D. and Engel, A. and Palczewski, K.. (2009) Isolation and functional characterization of a stable complex between photoactivated rhodopsin and the G protein, transducin. The FASEB journal, Vol. 23, H. 2. S. 371-381.

Walz, Thomas and Fujiyoshi, Yoshinori and Engel, Andreas. (2009) The AQP structure and functional implications. Handbook of experimental pharmacology, vol. 190. S. 31-56.

Casagrande, F. and Harder, D. and Schenk, A. and Meury, M. and Ucurum, Z. and Engel, A. and Weitz, D. and Daniel, H. and Fotiadis, D.. (2009) Projection structure of DtpD (YbgH), a prokaryotic member of the peptide transporter family. Journal of molecular biology, Vol. 394, H. 4. S. 708-717.

Moffat, K. and Engel, A.. (2009) Biophysical methods. Current Opinion in Structural Biology, Vol. 19, H. 5. S. 558-559.

Frederix, P. L. and Bosshart, P. D. and Engel, A.. (2009) Atomic force microscopy of biological membranes. Biophysical journal, Vol. 96, H. 2. S. 329-338.

2008

Engel, A. and Gaub, H. E.. (2008) Structure and mechanics of membrane proteins. Annual Review of Biochemistry, Vol. 77. S. 127-148.

Engel, A. and Fujiyoshi, Y. and Gonen, T. and Walz, T.. (2008) Junction-forming aquaporins. Current Opinion in Structural Biology, Vol. 18, H. 2. S. 229-235.

Muller, S. A. and Aebi, U. and Engel, A.. (2008) What transmission electron microscopes can visualize now and in the future. Journal of structural biology, Vol. 163, H. 3. S. 235-245.

Bosshart, P. D. and Casagrande, F. and Frederix, Pltm and Ratera, M. and Bippes, C. A. and Mu?ller, D. J. and Palacin, M. and Engel, A. and Fotiadis, D.. (2008) High-throughput single molecule force spectroscopy for membrane proteins. Nanotechnology, Vol. 19. S. 384014-384028.

Casagrande, F. and Ratera, M. and Schenk, A. D. and Chami, M. and Valencia, E. and Lopez, J. M. and Torrents, D. and Engel, A. and Palacin, M. and Fotiadis, D.. (2008) Projection structure of a member of the amino acid/polyamine/organocation transporter superfamily. Journal of biological chemistry, Vol. 283, H. 48. S. 33240-33248.

Frederix, Pltm and Bosshart, P. D. and Akiyyama, T. and Chami, M. and Gullo, M. R. and Blackstock, J. J. and Dooleweerdt, K. and de Rooij, N. F. and Stauffer, U. and Engel, A.. (2008) Conductive supports for combined AFM and SECM on biological membranes. Nanotechnology, Vol. 19. S. 384004-384013.

Hartmann, C. and Chami, M. and Zachariae, U. and de Groot, B. L. and Engel, A. and Grutter, M. G.. (2008) Vacuolar protein sorting : two different functional states of the AAA-ATPase Vps4p. Journal of molecular biology, Vol. 377, H. 2. S. 352-363.

Hoogenboom, B. W. and Frederix, Pltm and Fotiadis, D. and Hug, H. J. and Engel, A.. (2008) Potential of interferometric cantilever detection and its application for SFM/AFM in liquids. Nanotechnology, Vol. 19. S. 384019-384025.

Whorton, M. R. and Jastrzebska, B. and Park, P. S. and Fotiadis, D. and Engel, A. and Palczewski, K. and Sunahara, R. K.. (2008) Efficient coupling of transducin to monomeric rhodopsin in a phospholipid bilayer. Journal of biological chemistry, Vol. 283, H. 7. S. 4387-4394.

Riek, Uwe and Scholz, Roland and Konarev, Peter and Rufer, Arne and Suter, Marianne and Nazabal, Alexis and Ringler, Philippe and Chami, Mohamed and Müller Shirley, A. and Neumann, Dietbert and Forstner, Michael and Hennig, Michael and Zenobi, Renato and Engel, Andreas and Svergun, Dmitri and Schlattner, Uwe and Wallimann, Theo. (2008) Structural properties of AMP-activated protein kinase : Dimerization, molecular shape, and changes upon ligand binding. Journal of biological chemistry, Vol. 283, H. 26. S. 18331-18343.

Müller, D. J. and Engel, A.. (2008) Strategies to prepare and characterize native membrane proteins and protein membranes by AFM. Current Opinion in Colloid & Interface Science, Vol. 13. S. 338-350.

Engel, A.. (2008) New frontier in high-resolution electron microscopy. In: Computational structural biology. Singapore ; London ; Hong Kong ; Shanghai, S. 623-654.

Grange, W. and Duckely, M. and Husale, S. and Jacob, S. and Engel, A.. (2008) VirE2 : a unique ssDNA-compacting molecular machine. PLoS Biology, Vol. 6, H. 2 , e44.

Zoller, F. A. and Padeste, C. and Ekinci, Y. and Solak, H. H. and Engel, A.. (2008) Nanostructured substrates for high density protein arrays. Microelectronic engineering, Vol. 85. S. 1370-1374.

Coudray, N. and Beck, F. and Buessler, J. L. and Korinek, A. and Karathanou, A. and Rémigy, H. and Kihl, H. and Engel, A. and Plizko, J. M. and Urban, J. P.. (2008) Automatic Acquisition and Image Analysis of 2D Crystals. Microscopy Today, Vol. 16, H. 1. S. 48-49.

2007

Philippsen, A. and Schenk, A. D. and Signorell, G. A. and Mariani, V. and Berneche, S. and Engel, A.. (2007) Collaborative EM image processing with the IPLT image processing library and toolbox. Journal of structural biology, Vol. 157, H. 1. S. 28-37.

Eifler, N. and Duckely, M. and Sumanovski, L. T. and Egan, T. M. and Oksche, A. and Konopka, J. B. and Luthi, A. and Engel, A. and Werten, P. J. L.. (2007) Functional expression of mammalian receptors and membrane channels in different cells. Journal of Structural Biology, Vol. 159, H. 2. S. 179-193.

Sorg, I. and Wagner, S. and Amstutz, M. and Muller, S. A. and Broz, P. and Lussi, Y. and Engel, A. and Cornelis, G. R.. (2007) YscU recognizes translocators as export substrates of the Yersinia injectisome. The EMBO journal, Vol. 26, H. 12. S. 3015-3024.

Hoogenboom, B. W. and Suda, K. and Engel, A. and Fotiadis, D.. (2007) The supramolecular assemblies of voltage-dependent anion channels in the native membrane. Journal of molecular biology, Vol. 370, H. 2. S. 246-255.

Gregorini, M. and Wang, J. and Xie, X. -S. and Milligan, R. A. and Engel, A.. (2007) Three-dimensional reconstruction of bovine brain V-ATPase by cryo-electron microscopy and single particle analysis. Journal of Structural Biology, Vol. 158, H. 3. S. 445-454.

Broz, P. and Mueller, C. A. and Muller, S. A. and Philippsen, A. and Sorg, I. and Engel, A. and Cornelis, G. R.. (2007) Function and molecular architecture of the Yersinia injectisome tip complex. Molecular microbiology, Vol. 65, H. 5. S. 1311-1320.

Signorell, G. A. and Chami, M. and Condemine, G. and Schenk, A. D. and Philippsen, A. and Engel, A. and Remigy, H. W.. (2007) Projection maps of three members of the KdgM outer membrane protein family. Journal of structural biology, Vol. 160, H. 3. S. 395-403.

Signorell, G. A. and Kaufmann, T. C. and Kukulski, W. and Engel, A. and Remigy, H. -W.. (2007) Controlled 2D crystallization of membrane proteins using methyl-beta-cyclodextrin. Journal of structural biology, Vol. 157, H. 2. S. 321-328.

Klammt, C. and Schwarz, D. and Eifler, N. and Engel, A. and Piehler, J. and Haase, W. and Hahn, S. and Dotsch, V. and Bernhard, F.. (2007) Cell-free production of G protein-coupled receptors for functional and structural studies. Journal of structural biology, Vol. 158, H. 3. S. 482-493.

Philippsen, A. and Engel, H. A. and Engel, A.. (2007) The contrast-imaging function for tilted specimens. Ultramicroscopy, Vol. 107, H. 2-3. S. 202-212.

Muller, D. J. and Engel, A.. (2007) Atomic force microscopy and spectroscopy of native membrane proteins. Nature protocols, Vol. 2, H. 9. S. 2191-2197.

2006

Muller, S. A. and Pozidis, C. and Stone, R. and Meesters, C. and Chami, M. and Engel, A. and Economou, A. and Stahlberg, H.. (2006) Double hexameric ring assembly of the type III protein translocase ATPase HrcN. Molecular microbiology, Vol. 61, H. 1. S. 119-125.

Fotiadis, D. and Jastrzebska, B. and Philippsen, A. and Muller, D. J. and Palczewski, K. and Engel, A.. (2006) Structure of the rhodopsin dimer : a working model for G-protein-coupled receptors. Current opinion in structural biology, Vol. 16, H. 2. S. 252-259.

Braun, T. and Backmann, N. and Vogtli, M. and Bietsch, A. and Engel, A. and Lang, H. -P. and Gerber, C. and Hegner, M.. (2006) Conformational change of bacteriorhodopsin quantitatively monitored by microcantilever sensors. Biophysical journal, Vol. 90, H. 8. S. 2970-2977.

Kaufmann, T. C. and Engel, A. and Remigy, H. -W.. (2006) A novel method for detergent concentration determination. Biophysical journal, Vol. 90, H. 1. S. 310-317.

Palanivelu, D. V. and Kozono, D. E. and Engel, A. and Suda, K. and Lustig, A. and Agre, P. and Schirmer, T.. (2006) Co-axial association of recombinant eye lens aquaporin-0 observed in loosely packed 3D crystals. Journal of molecular biology, Vol. 355, H. 4. S. 605-611.

Geiser, A. H. and Sievert, M. K. and Guo, L. W. and Grant, J. E. and Krebs, M. P. and Fotiadis, D. and Engel, A. and Ruoho, A. E.. (2006) Bacteriorhodopsin chimeras containing the third cytoplasmic loop of bovine rhodopsin activate transducin for GTP/GDP exchange. Protein Science, Vol. 15, H. 7. S. 1679-1690.

Hoogenboom, B. W. and Hug, H. J. and Pellmont, Y. and Martin, S. and Frederix, P. L. T. M. and Fotiadis, D. and Engel, A.. (2006) Quantitative dynamic-mode scanning force microscopy in liquid,. Applied Physics Letters, Vol. 88. S. 193109.

Jastrzebska, B. and Fotiadis, D. and Jang, G. F. and Stenkamp, R. E. and Engel, A. and Palczewski, K.. (2006) Functional and structural characterization of rhodopsin oligomers. Journal of biological chemistry, Vol. 281, H. 17. S. 11917-11922.

Tanuj Sapra, K. and Park, P. S. and Filipek, S. and Engel, A. and Muller, D. J. and Palczewski, K.. (2006) Detecting molecular interactions that stabilize native bovine rhodopsin. Journal of molecular biology, Vol. 358, H. 1. S. 255-269.

Eifler, N. and Vetsch, M. and Gregorini, M. and Ringler, P. and Chami, M. and Philippsen, A. and Fritz, A. and Muller, S. A. and Glockshuber, R. and Engel, A. and Grauschopf, U.. (2006) Cytotoxin ClyA from Escherichia coli assembles to a 13-meric pore independent of its redox-state. The EMBO journal, Vol. 25, H. 11. S. 2652-2661.

Kortekaas, Jeroen and Müller, Shirley A. and Ringler, Philippe and Gregorini, Marco and Weynants, Vincent E. and Rutten, Lucy and Bos, Martine P. and Tommassen, Jan. (2006) Immunogenicity and structural characterisation of an in vitro folded meningococcal siderophore receptor (FrpB, FetA). Microbes and infection, Vol. 8, H. 8. S. 2145-2153.

Müller, Shirley A. and Engel, Andreas. (2006) Biological scanning transmission electron microscopy : Imaging and single molecule mass determination. Chimia, Vol. 60, H. 11. S. 749-753.

Muller, D. J. and Sapra, K. T. and Scheuring, S. and Kedrov, A. and Frederix, P. L. and Fotiadis, D. and Engel, A.. (2006) Single-molecule studies of membrane proteins. Current Opinion in Structural Biology, Vol. 16, H. 4. S. 489-495.

Gullo, M. R. and Frederix, P. L. and Akiyama, T. and Engel, A. and deRooij, N. F. and Staufer, U.. (2006) Characterization of microfabricated probes for combined atomic force and high-resolution scanning electrochemical microscopy. Analytical chemistry, Vol. 78, no. 15. S. 5436-5442.

Kukulski, W. and Kaufmann, T. and Braun, T. and Rémigy, H. and Fotiadis, D. and Engel, A.. (2006) Assessing structure and dynamics of native membrane proteins. In: Structural biology of membrane proteins. Cambridge, UK, S. 131-151.

Mueller, Catherine A. and Broz, Petr and Cornelis, Guy R. and Müller, Shirley A. and Engel, Andreas. (2006) Type III secretion how Yersinia pestis infects its host. BIOforum Europe, Vol. 10, no. 4. S. 40-42.

2005

Chami, M. and Guilvout, I. and Gregorini, M. and Remigy, H. W. and Muller, S. A. and Valerio, M. and Engel, A. and Pugsley, A. P. and Bayan, N.. (2005) Structural insights into the secretin PulD and its trypsin-resistant core. Journal of Biological Chemistry, Vol. 280, H. 45. S. 37732-37741.

Duckely, M. and Oomen, C. and Axthelm, F. and Van Gelder, P. and Waksman, G. and Engel, A.. (2005) The VirE1VirE2 complex of Agrobacterium tumefaciens interacts with single-stranded DNA and forms channels. Molecular microbiology, Vol. 58, H. 4. S. 1130-1142.

Kukulski, W. and Schenk, A. D. and Johanson, U. and Braun, T. and de Groot, B. L. and Fotiadis, D. and Kjellbom, P. and Engel, A.. (2005) The 5A structure of heterologously expressed plant aquaporin SoPIP2;1. Journal of molecular biology, Vol. 350, H. 4. S. 611-616.

Dube, P. and Herzog, F. and Gieffers, C. and Sander, B. and Riedel, D. and Muller, S. A. and Engel, A. and Peters, J. M. and Stark, H.. (2005) Localization of the coactivator Cdh1 and the cullin subunit Apc2 in a cryo-electron microscopy model of vertebrate APC/C. Molecular cell, Vol. 20, H. 6. S. 867-879.

Frederix, Pltm and Gullo, M. R. and Akiyama, T. and Tonin, A. and de Rooij, N. F. and Staufer, U. and Engel, A.. (2005) Assessment of insulated conductive cantilevers for biology and electrochemistry. Nanotechnology, Vol. 16. S. 997-1005.

Hoogenboom, B. W. and Frederix, P. L. T. M. and Yang, J. and Martin, S. and Pellmont, Y. and Steinacher, M. and Zäch, S. and Langenbach, E. and Heimbeck, H. -J. and Engel, A. and Hug, H. J.. (2005) A Fabry-Perot interferometer for micrometer-sized cantilevers. Applied Physics Letters, Vol. 86. S. 074101.

Yang, J. L. and Despont, M. and Drechsler, U. and Hoogenboom, B. W. and Frederix, P. L. T. M. and Martin, S. and Engel, A. and Vettiger, P. and Hug, H. J.. (2005) Miniaturized single-crystal silicon cantilevers for scanning force microscopy. Applied Physics Letters, Vol. 86. S. 134101.

Zaric, B. and Chami, M. and Remigy, H. and Engel, A. and Ballmer-Hofer, K. and Winkler, F. K. and Kambach, C.. (2005) Reconstitution of two recombinant LSm protein complexes reveals aspects of their architecture, assembly, and function. Journal of biological chemistry, Vol. 280, H. 16. S. 16066-16075.

Pretz, M. G. and Remigy, H. and Swaving, J. and Albers, S. V. and Garrido, V. G. and Chami, M. and Engel, A. and Driessen, A. J.. (2005) Functional and structural characterization of the minimal Sec translocase of the hyperthermophile Thermotoga maritima. Extremophiles, Vol. 9, H. 4. S. 307-316.

Mueller, C. A. and Broz, P. and Muller, S. A. and Ringler, P. and Erne-Brand, F. and Sorg, I. and Kuhn, M. and Engel, A. and Cornelis, G. R.. (2005) The V-antigen of Yersinia forms a distinct structure at the tip of injectisome needles. Science, Vol. 310, H. 5748. S. 674-676.

Fotiadis, D. and Frederix, P. L. T. M. and Engel, A.. (2005) Atomic force microscopy in biology. In: Cell biology. Amsterdam ; London ; New York, S. 317-324.

2004

Bucior, I. and Scheuring, S. and Engel, A. and Burger, M. M.. (2004) Carbohydrate-carbohydrate interaction provides adhesion force and specificity for cellular recognition. The Journal of cell biology, Vol. 165, H. 4. S. 529-537.

Conroy, M. J. and Jamieson, S. J. and Blakey, D. and Kaufmann, T. and Engel, A. and Fotiadis, D. and Merrick, M. and Bullough, P. A.. (2004) Electron and atomic force microscopy of the trimeric ammonium transporter AmtB. EMBO reports, Vol. 5, H. 12. S. 1153-1158.

Filipek, S. and Krzysko, K. A. and Fotiadis, D. and Liang, Y. and Saperstein, D. A. and Engel, A. and Palczewski, K.. (2004) A concept for G protein activation by G protein-coupled receptor dimers : the transducin/rhodopsin interface. Photochemical & photobiological sciences, Vol. 3, H. 6. S. 628-638.

Fotiadis, D. and Qian, P. and Philippsen, A. and Bullough, P. A. and Engel, A. and Hunter, C. N.. (2004) Structural Analysis of the Reaction Center Light-harvesting Complex I Photosynthetic Core Complex of Rhodospirillum rubrum Using Atomic Force Microscopy. Journal of biological chemistry, Vol. 279 , no. 3. S. 2063-2068.

Fotiadis, D. and Liang, Y. and Filipek, S. and Saperstein, D. A. and Engel, A. and Palczewski, K.. (2004) The G protein-coupled receptor rhodopsin in the native membrane. FEBS letters, Vol. 564, H. 3. S. 281-288.

Jastrzebska, B. and Maeda, T. and Zhu, L. and Fotiadis, D. and Filipek, S. and Engel, A. and Stenkamp, R. E. and Palczewski, K.. (2004) Functional characterization of rhodopsin monomers and dimers in detergents. Journal of biological chemistry, Vol. 279. S. 54663-54675.

Kohler, R. and Schafer, K. and Muller, S. and Vignon, G. and Diederichs, K. and Philippsen, A. and Ringler, P. and Pugsley, A. P. and Engel, A. and Welte, W.. (2004) Structure and assembly of the pseudopilin PulG. Molecular microbiology, Vol. 54, H. 3. S. 647-664.

Liang, Y. and Fotiadis, D. and Maeda, T. and Maeda, A. and Modzelewska, A. and Filipek, S. and Saperstein, D. A. and Engel, A. and Palczewski, K.. (2004) Rhodopsin signaling and organization in heterozygote rhodopsin knockout mice. Journal of biological chemistry, Vol. 279 , no. 46. S. 48189-48196.

Siebert, C. A. and Qian, P. and Fotiadis, D. and Engel, A. and Hunter, C. N. and Bullough, P. A.. (2004) Molecular architecture of photosynthetic membranes in Rhodobacter sphaeroides : the role of PufX. The EMBO journal, Vol. 23, H. 4. S. 690-700.

Suda, K. and Filipek, S. and Palczewski, K. and Engel, A. and Fotiadis, D.. (2004) The supramolecular structure of the GPCR rhodopsin in solution and native disc membranes. Molecular Membrane Biology, Vol. 21, H. 6. S. 435-446.

Akiyama, T. and Gullo, M. R. and De Rooij, N. F. and Staufer, U. and Tonin, A. and Frederix, P. L. T. M. and Engel, A.. (2004) Development of Insulated Conductive Probes with Platinum-Silicide Tips for AFM in Cell Biology. Japanese journal of applied physics. Part 1, Regular papers, short notes & review papers, Vol. 43. S. 3865-3867.

Frederix, P. L. T. M. and Hoogenboom, B. W. and Fotiadis, D. and Müller, D. J. and Engel, A.. (2004) Atomic Force Microscopy of Biological Samples. MRS bulletin : a publication of the Materials Research Society, Vol. 29. S. 449-455.

Fotiadis, D. and Engel, A.. (2004) High-resolution imaging of bacteriorhodopsin by atomic force microscopy. Methods in Molecular Biology, 242. pp. 291-303.

2003

Philippsen, A. and Schenk, A. D. and Stahlberg, H. and Engel, A.. (2003) Iplt - image processing library and toolkit for the electron microscopy community. Journal of structural biology, Vol. 144, H. 1/2. S. 4-12.

Engel, A.. (2003) Robert Feulgen Lecture : microscopic assessment of membrane protein structure and function. Histochemistry and cell biology, Vol. 120, H. 2. S. 93-102.

Frederix, P. L. T. M. and Akiyama, T. and Staufer, U. and Gerber, C. and Fotiadis, D. and Muller, D. J. and Engel, A.. (2003) Atomic force bio-analytics. Current opinion in chemical biology, Vol. 7, H. 5. S. 641-647.

Fotiadis, D. and Liang, Y. and Filipek, S. and Saperstein, D. A. and Engel, A. and Palczewski, K.. (2003) Atomic-force microscopy : Rhodopsin dimers in native disc membranes. Nature, Vol. 421, No. 6919. S. 127-128.

de Groot, B. L. and Engel, A. and Grubmüller, H.. (2003) The structure of the aquaporin-1 water channel : a comparison between cryo-electron microscopy and X-ray crystallography. Journal of molecular biology, Vol. 325, H. 3. S. 485-493.

Karlsson, M. and Fotiadis, D. and Sjovall, S. and Johansson, I. and Hedfalk, K. and Engel, A. and Kjellbom, P.. (2003) Reconstitution of water channel function of an aquaporin overexpressed and purified from Pichia pastoris. FEBS letters, Vol. 537, H. 1-3. S. 68-72.

Liang, Y. and Fotiadis, D. and Filipek, S. and Saperstein, D. A. and Palczewski, K. and Engel, A.. (2003) Organization of the G protein-coupled receptors rhodopsin and opsin in native membranes. Journal of biological chemistry, Vol. 278, H. 24. S. 21655-21662.

Fotiadis, D. and Liang, Y. and Filipek, S. and Saperstein, D. A. and Engel, A. and Palczewski, K.. (2003) Biophysics (communication arising) : is rhodopsin dimeric in native retinal rods? Nature, Vol. 426 , No. 6962. S. 31.

Müller, D. J. and Engel, A. and Matthey, U. and Meier, T. and Dimroth, P. and Suda, K.. (2003) Observing membrane protein diffusion at subnanometer resolution. Journal of molecular biology, Vol. 327, H. 5. S. 925-930.

Remigy, H. -W. and Caujolle-Bert, D. and Suda, K. and Schenk, A. and Chami, M. and Engel, A.. (2003) Membrane protein reconstitution and crystallization by controlled dilution. FEBS letters, Vol. 555, H. 1. S. 160-169.

Möller, C. and Fotiadis, D. and Suda, K. and Engel, A. and Kessler, M. and Müller, D. J.. (2003) Determining molecular forces that stabilize human aquaporin-1. Journal of structural biology, Vol. 142, H. 3. S. 369-378.

Akiyama, T. and Staufer, U. and de Rooij, N. F. and Frederix, P. and Engel, A.. (2003) Symmetrically arranged quartz tuning fork with soft cantilever for intermittent contact mode atomic force microscopy. Review of scientific instruments, Vol. 74, H. 1. S. 112-117.

2002

Werten, P. J. L. and Rémigy, H. W. and de Groot, B. L. and Fotiadis, D. and Philippsen, A. and Stahlberg, H. and Grubmüller, H. and Engel, A.. (2002) Progress in the analysis of membrane protein structure and function. FEBS letters, Vol. 529, H. 1. S. 65-72.

Scheuring, Simon and Stahlberg, Henning and Chami, Mohamed and Houssin, Christine and Rigaud, Jean-Louis and Engel, Andreas. (2002) Charting and unzipping the surface layer of Corynebacterium glutamicum with the atomic force microscope. Molecular microbiology, Vol. 44, H. 3. S. 675-684.

Engel, A. and Stahlberg, H.. (2002) Aquaglyceroporins : channel proteins with a conserved core, multiple functions, and variable surfaces. International review of cytology, Vol. 215. S. 75-104.

Philippsen, A. and Im, W. and Engel, A. and Schirmer, T. and Roux, B. and Muller, D. J.. (2002) Imaging the electrostatic potential of transmembrane channels : atomic probe microscopy of OmpF porin. Biophysical journal, Vol. 82, H. 3. S. 1667-1676.

Agre, P. and King, L. S. and Yasui, M. and Guggino, W. B. and Ottersen, O. P. and Fujiyoshi, Y. and Engel, A. and Nielsen, S.. (2002) Aquaporin water channels--from atomic structure to clinical medicine. The journal of physiology, Vol. 542, H. 1. S. 3-16.

Hand, G. M. and Müller, D. J. and Nicholson, B. J. and Engel, A. and Sosinsky, G. E.. (2002) Isolation and characterization of gap junctions from tissue culture cells. Journal of molecular biology, Vol. 315, H. 4. S. 587-600.

Müller, D. J. and Hand, G. M. and Engel, A. and Sosinsky, G. E.. (2002) Conformational changes in surface structures of isolated connexin 26 gap junctions. The EMBO journal, Vol. 21, H. 14. S. 3598-3607.

Fotiadis, D. and Scheuring, S. and Muller, S. A. and Engel, A. and Muller, D. J.. (2002) Imaging and manipulation of biological structures with the AFM. Micron, Vol. 33, H. 4. S. 385-397.

Stahlberg, H. and Engel, A. and Philippsen, A.. (2002) Assessing the structure of membrane proteins : combining different methods gives the full picture. Biochemistry and Cell Biology, Vol. 80, H. 5. S. 563-568.

Fotiadis, D. and Suda, K. and Tittmann, P. and Jeno, P. and Philippsen, A. and Muller, D. J. and Gross, H. and Engel, A.. (2002) Identification and structure of a putative Ca2+-binding domain at the C terminus of AQP1. Journal of molecular biology, Vol. 318, H. 5. S. 1381-1394.

Scheuring, S. and Muller, D. J. and Stahlberg, H. and Engel, H. -A. and Engel, A.. (2002) Sampling the conformational space of membrane protein surfaces with the AFM. European biophysics journal, Vol. 31, H. 3. S. 172-178.

Fujiyoshi, Y. and Mitsuoka, K. and de Groot, B. L. and Philippsen, A. and Grubmüller, H. and Agre, P. and Engel, A.. (2002) Structure and function of water channels. Current Opinion in Structural Biology, Vol. 12, H. 4. S. 509-515.

Müller, Daniel J. and Engel, Andreas. (2002) Conformations, flexibility, and interactions observed on individual membrane proteins by atomic force microscopy. Methods in cell biology, vol. 68. S. 257-299.

2001

Panne, D. and Muller, S. A. and Wirtz, S. and Engel, A. and Bickle, T. A.. (2001) The McrBC restriction endonuclease assembles into a ring structure in the presence of G nucleotides. The EMBO journal, Vol. 20, H. 12. S. 3210-3217.

Scheuring, S. and Reiss-Husson, F. and Engel, A. and Rigaud, J. L. and Ranck, J. L.. (2001) High-resolution AFM topographs of Rubrivivax gelatinosus light-harvesting complex LH2. The EMBO journal, Vol. 20, H. 12. S. 3029-3035.

Stahlberg, H. and Müller, D. J. and Suda, K. and Fotiadis, D. and Engel, A. and Meier, T. and Matthey, U. and Dimroth, P.. (2001) Bacterial Na(+)-ATP synthase has an undecameric rotor. EMBO reports, Vol. 2, H. 3. S. 229-233.

Fotiadis, D. and Jeno, P. and Mini, T. and Wirtz, S. and Muller, S. A. and Fraysse, L. and Kjellbom, P. and Engel, A.. (2001) Structural characterization of two aquaporins isolated from native spinach leaf plasma membranes. Journal of Biological Chemistry, Vol. 276, H. 3. S. 1707-1714.

Muller, S. A. and Engel, A.. (2001) Structure and mass analysis by scanning transmission electron microscopy. Micron, Vol. 32, H. 1. S. 21-31.

Müller, D. J. and Dencher, N. A. and Meier, T. and Dimroth, P. and Suda, K. and Stahlberg, H. and Engel, A. and Seelert, H. and Matthey, U.. (2001) ATP synthase : constrained stoichiometry of the transmembrane rotor. FEBS letters, Vol. 504, H. 3. S. 219-222.

Murata, K. and Mitsuoka, K. and Hirai, T. and Walz, T. and Agre, P. and Heymann, J. B. and Engel, A. and Fujiyoshi, Y.. (2001) Molecular basis of water selectivity on aquaporin-1. Kidney international, Vol. 60, H. 2. S. 399.

Sato, C. and Ueno, Y. and Asai, K. and Takahashi, K. and Sato, M. and Engel, A. and Fujiyoshi, Y.. (2001) The voltage-sensitive sodium channel is a bell-shaped molecule with several cavities. Nature, Vol. 409 No. 6823. S. 1047-1051.

Werten, P. J. and Hasler, L. and Koenderink, J. B. and Klaassen, C. H. and de Grip, W. J. and Engel, A. and Deen, P. M.. (2001) Large-scale purification of functional recombinant human aquaporin-2. FEBS letters, Vol. 504, H. 3. S. 200-205.

de Groot, B. L. and Engel, A. and Grubmüller, H.. (2001) A refined structure of human aquaporin-1. FEBS letters, Vol. 504, H. 3. S. 206-11.

Wimmer, C. and Hohl, T. M. and Hughes, C. A. and Müller, S. A. and Sollner, T. H. and Engel, A. and Rothman, J. E.. (2001) Molecular mass, stoichiometry, and assembly of 20 s particles. Journal of biological chemistry, Vol. 276 , no. 31. S. 29091-29097.

2000

Stahlberg, H. and Braun, T. and de Groot, B. and Philippsen, A. and Borgnia, M. J. and Agre, P. and Kühlbrandt, W. and Engel, A.. (2000) The 6.9-A structure of GlpF : a basis for homology modeling of the glycerol channel from Escherichia coli. Journal of structural biology, Vol. 132, H. 2. S. 133-141.

Engel, A.. (2000) Structural analyses of the aquaporin super-family. Nephrology, dialysis, transplantation, Vol. 15, Suppl. 6. S. 23-25.

Muller, D. J. and Heymann, J. B. and Oesterhelt, F. and Moller, C. and Gaub, H. and Buldt, G. and Engel, A.. (2000) Atomic force microscopy of native purple membrane. Biochimica et biophysica acta, Vol. 1460, H. 1. S. 27-38.

Engel, A. and Muller, D. J.. (2000) Observing single biomolecules at work with the atomic force microscope. Nature Structural biology, Vol. 7, H. 9. S. 715-718.

Moller, C. and Buldt, G. and Dencher, N. A. and Engel, A. and Muller, D. J.. (2000) Reversible loss of crystallinity on photobleaching purple membrane in the presence of hydroxylamine. Journal of molecular biology, Vol. 301, H. 4. S. 869-879.

Heymann, J. B. and Pfeiffer, M. and Hildebrandt, V. and Kaback, H. R. and Fotiadis, D. and Groot, B. and Engel, A. and Oesterhelt, D. and Muller, D. J.. (2000) Conformations of the rhodopsin third cytoplasmic loop grafted onto bacteriorhodopsin. Structure: with folding and design, Vol. 8, H. 6. S. 643-653.

Scheuring, S. and Tittmann, P. and Stahlberg, H. and Ringler, P. and Borgnia, M. and Agre, P. and Gross, H. and Engel, A.. (2000) The aquaporin sidedness revisited. Journal of molecular biology, Vol. 299, H. 5. S. 1271-1278.

Lustig, A. and Engel, A. and Tsiotis, G. and Landau, E. M. and Baschong, W.. (2000) Molecular weight determination of membrane proteins by sedimentation equilibrium at the sucrose or nycodenz-adjusted density of the hydrated detergent micelle. Biochimica et biophysica acta, Vol. 1464, H. 2. S. 199-206.

Engel, A. and Fujiyoshi, Y. and Agre, P.. (2000) The importance of aquaporin water channel protein structures. The EMBO journal, Vol. 19, H. 5. S. 800-806.

Fotiadis, D. and Hasler, L. and Muller, D. J. and Stahlberg, H. and Kistler, J. and Engel, A.. (2000) Surface tongue-and-groove contours on lens MIP facilitate cell-to-cell adherence. Journal of molecular biology, Vol. 300, H. 4. S. 779-789.

de Groot, B. L. and Heymann, J. B. and Engel, A. and Mitsuoka, K. and Fujiyoshi, Y. and Grubmüller, H.. (2000) The fold of human aquaporin 1. Journal of molecular biology, Vol. 300, H. 4. S. 987-94.

Heymann, J. B. and Engel, A.. (2000) Structural clues in the sequences of the aquaporins. Journal of molecular biology, Vol. 295, H. 4. S. 1039-1053.

Holzl, H. and Kapelari, B. and Kellermann, J. and Seemuller, E. and Sumegi, M. and Udvardy, A. and Medalia, O. and Sperling, J. and Müller, S. A. and Engel, A. and Baumeister, W.. (2000) The regulatory complex of Drosophila melanogaster 26S proteasomes : subunit composition and localization of a deubiquitylating enzyme. The Journal of cell biology, Vol. 150, H. 1. S. 119-130.

Manting, E. H. and van Der Does, C. and Remigy, H. and Engel, A. and Driessen, A. J.. (2000) SecYEG assembles into a tetramer to form the active protein translocation channel. The EMBO journal, Vol. 19, H. 5. S. 852-861.

Murata, K. and Mitsuoka, K. and Hirai, T. and Walz, T. and Agre, P. and Heymann, J. B. and Engel, A. and Fujiyoshi, Y.. (2000) Structural determinants of water permeation through aquaporin-1. Nature, Vol. 407 No. 6804. S. 599-605.

Nouwen, N. and Stahlberg, H. and Pugsley, A. P. and Engel, A.. (2000) Domain structure of secretin PuID revealed by limited proteolysis and electron microscopy. The EMBO journal, Vol. 19, H. 10. S. 2229-2236.

Seelert, H. and Poetsch, A. and Dencher, N. A. and Engel, A. and Stahlberg, H. and Müller, D. J.. (2000) Structural biology : proton-powered turbine of a plant motor. Nature, Vol. 405, H. 6785. S. 418-419.

Stasiak, A. Z. and Larquet, E. and Stasiak, A. and Müller, S. and Engel, A. and Van Dyck, E. and West, S. C. and Egelman, E. H.. (2000) The human Rad52 protein exists as a heptameric ring. Current biology, Vol. 10, no. 6, S. 337-340..

Müller, Daniel J. and Fotiadis, Dimitrios and Scheuring, Simon and Moller, Clemens and Engel, Andreas. (2000) Conformational changes, flexibilities and intramolecular forces observed on individual proteins using AFM. Single molecules, Vol. 1, H. 2. S. 115-118.

Oesterhelt, F. and Oesterhelt, D. and Pfeiffer, M. and Engel, A. and Gaub, H. E. and Müller, D. J.. (2000) Unfolding pathways of individual bacteriorhodopsins. Science, Vol. 288, no. 5463. S. 143-146.

Braun, T. and Philippsen, A. and Wirtz, S. and Borgnia, M. and Agre, P. and Kühlbrandt, W. and Engel, A. and Stahlberg, H.. (2000) GlpF : a structural variant of the aquaporin tetramer. In: Molecular biology and physiology of water and solute transport. New York, S. 13-22.

1999

Scheuring, S. and Muller, D. J. and Ringler, P. and Heymann, J. B. and Engel, A.. (1999) Imaging streptavidin 2D crystals on biotinylated lipid monolayers at high resolution with the atomic force microscope. Journal of Microscopy, Vol. 193, H. 1. S. 28-35.

Heymann, J. B. and Engel, A.. (1999) Aquaporins: Phylogeny, Structure, and Physiology of Water Channels. News in Physiological Sciences, Vol. 14, H. 5. S. 187-193.

Muller, S. A. and Sasaki, T. and Bork, P. and Wolpensinger, B. and Schulthess, T. and Timpl, R. and Engel, A. and Engel, J.. (1999) Domain organization of Mac-2 binding protein and its oligomerization to linear and ring-like structures. Journal of molecular biology, Vol. 291, H. 4. S. 801-813.

Scheuring, S. and Ringler, P. and Borgnia, M. and Stahlberg, H. and Müller, D. J. and Agre, P. and Engel, A.. (1999) High resolution AFM topographs of the Escherichia coli water channel aquaporin Z. The EMBO journal, Vol. 18, H. 18. S. 4981-4987.

Moller, C. and Allen, M. and Elings, V. and Engel, A. and Muller, D. J.. (1999) Tapping-mode atomic force microscopy produces faithful high-resolution images of protein surfaces. Biophysical journal, Vol. 77, H. 2. S. 1150-1158.

Stahlberg, H. and Kutejová, E. and Suda, K. and Wolpensinger, B. and Lustig, A. and Schatz, G. and Engel, A. and Suzuki, C. K.. (1999) Mitochondrial Lon of Saccharomyces cerevisiae is a ring-shaped protease with seven flexible subunits. Proceedings of the National Academy of Sciences of the United States of America, Vol. 96, H. 12. S. 6787-6790.

Pittet, J. J. and Henn, C. and Engel, A. and Heymann, J. B.. (1999) Visualizing 3D data obtained from microscopy on the Internet. Journal of Structural Biology, Vol. 125, H. 2/3. S. 123-132.

Zhuang, J. and Prive, G. G. and Werner, G. E. and Ringler, P. and Kaback, H. R. and Engel, A.. (1999) Two-dimensional crystallization of Escherichia coli lactose permease. Journal of Structural Biology, Vol. 125, H. 1. S. 63-75.

Engel, A. and Gaub, H. E. and Muller, D. J.. (1999) Atomic force microscopy : a forceful way with single molecules. Current biology, Vol. 9, H. 4 , R133-R136.

Muller, D. J. and Sass, H. J. and Muller, S. A. and Buldt, G. and Engel, A.. (1999) Surface structures of native bacteriorhodopsin depend on the molecular packing arrangement in the membrane. Journal of molecular biology, Vol. 285, H. 5. S. 1903-1909.

Muller, D. J. and Fotiadis, D. and Scheuring, S. and Muller, S. A. and Engel, A.. (1999) Electrostatically balanced subnanometer imaging of biological specimens by atomic force microscope. Biophysical journal, Vol. 76, H. 2. S. 1101-1111.

Tsiotis, G. and Psylinakis, M. and Woplensinger, B. and Lustig, A. and Engel, A. and Ghanotakis, D.. (1999) Investigation of the structure of spinach photosystem II reaction center complex. European journal of biochemistry, Vol. 259, H. 1/2. S. 320-324.

Muller, D. J. and Engel, A.. (1999) Voltage and pH-induced channel closure of porin OmpF visualized by atomic force microscopy. Journal of molecular biology, Vol. 285, H. 4. S. 1347-1351.

Muller, D. J. and Baumeister, W. and Engel, A.. (1999) Controlled unzipping of a bacterial surface layer with atomic force microscopy. Proceedings of the National Academy of Sciences of the United States of America, Vol. 96, H. 23. S. 13170-13174.

Engel, A. and Lyubchenko, Y. and Muller, D.. (1999) Atomic force microscopy : a powerful tool to observe biomolecules at work. Trends in cell biology, Vol. 9, H. 2. S. 77-80.

Ringler, P. and Borgnia, M. J. and Stahlberg, H. and Maloney, P. C. and Agre, P. and Engel, A.. (1999) Structure of the water channel AqpZ from Escherichia coli revealed by electron crystallography. Journal of molecular biology, Vol. 291, H. 5. S. 1181-1190.

1998

Muller, D. J. and Fotiadis, D. and Engel, A.. (1998) Mapping flexible protein domains at subnanometer resolution with the atomic force microscope. FEBS letters, Vol. 430, H. 1/2. S. 105-111.

Hasler, L. and Walz, T. and Tittmann, P. and Gross, H. and Kistler, J. and Engel, A.. (1998) Purified lens major intrinsic protein (MIP) forms highly ordered tetragonal two-dimensional arrays by reconstitution. Journal of molecular biology, Vol. 279, H. 4. S. 855-864.

Hasler, L. and Heymann, J. B. and Engel, A. and Kistler, J. and Walz, T.. (1998) 2D crystallization of membrane proteins : rationales and examples. Journal of Structural Biology, Vol. 121, H. 2. S. 162-171.

Heymann, J. B. and Agre, P. and Engel, A.. (1998) Progress on the structure and function of aquaporin 1. Journal of Structural Biology, Vol. 121, H. 2. S. 191-206.

Steinmetz, M. O. and Pluss, C. and Christen, U. and Wolpensinger, B. and Lustig, A. and Werner, E. R. and Wachter, H. and Engel, A. and Aebi, U. and Pfeilschifter, J. and Kammerer, R. A.. (1998) Rat GTP cyclohydrolase I is a homodecameric protein complex containing high-affinity calcium-binding sites. Journal of molecular biology, Vol. 279, H. 1. S. 189-199.

Muller, S. and Wolpensinger, B. and Angenitzki, M. and Engel, A. and Sperling, J. and Sperling, R.. (1998) A supraspliceosome model for large nuclear ribonucleoprotein particles based on mass determinations by scanning transmission electron microscopy. Journal of molecular biology, Vol. 283, H. 2. S. 383-394.

Fotiadis, D. and Muller, D. J. and Tsiotis, G. and Hasler, L. and Tittmann, P. and Mini, T. and Jeno, P. and Gross, H. and Engel, A.. (1998) Surface analysis of the photosystem I complex by electron and atomic force microscopy. Journal of molecular biology, Vol. 283, H. 1. S. 83-94.

Muller, S. A. and Engel, A.. (1998) Mass measurement in the scanning transmission electron microscope : a powerful tool for studying membrane proteins. Journal of structural biology, Vol. 121, H. 2. S. 219-230.

1997

Muller, D. J. and Engel, A.. (1997) The height of biomolecules measured with the atomic force microscope depends on electrostatic interactions. Biophysical journal, Vol. 73, H. 3. S. 1633-1644.

Heymann, J. B. and Muller, D. J. and Mitsuoka, K. and Engel, A.. (1997) Electron and atomic force microscopy of membrane proteins. Current Opinion in Structural Biology, Vol. 7, H. 4. S. 543-549.

Muller, D. J. and Engel, A. and Carrascosa, J. L. and Velez, M.. (1997) The bacteriophage phi29 head-tail connector imaged at high resolution with the atomic force microscope in buffer solution. The EMBO journal, Vol. 16, H. 10. S. 2547-2553.

Walz, T. and Hirai, T. and Murata, K. and Heymann, J. B. and Mitsuoka, K. and Fujiyoshi, Y. and Smith, B. L. and Agre, P. and Engel, A.. (1997) The three-dimensional structure of aquaporin-1. Nature, Vol. 387. S. 624-627.

Zhuang, J. and Engel, A. and Pages, J. M. and Bolla, J. M.. (1997) The Campylobacter jejuni porin trimers pack into different lattice types when reconstituted in the presence of lipid. European journal of biochemistry, Vol. 244, H. 2. S. 575-579.

Muller, D. J. and Schoenenberger, C. A. and Schabert, F. and Engel, A.. (1997) Structural changes in native membrane proteins monitored at subnanometer resolution with the atomic force microscope : a review. Journal of structural biology, Vol. 119, H. 2. S. 149-157.

Engel, A. and Schoenenberger, C. A. and Muller, D. J.. (1997) High resolution imaging of native biological sample surfaces using scanning probe microscopy. Current opinion in structural biology, Vol. 7, H. 2. S. 279-284.

Hasler, L. and Ghanotakis, D. and Fedtke, B. and Spyridaki, A. and Miller, M. and ller, S. A. and Engel, A. and Tsiotis, G.. (1997) Structural Analysis of Photosystem II : comparative study of cyanobacterial and higher plant photosystem II complexes. Journal of structural biology, Vol. 119, H. 3. S. 273-283.

1996

Muller, D. J. and Baumeister, W. and Engel, A.. (1996) Conformational change of the hexagonally packed intermediate layer of Deinococcus radiodurans monitored by atomic force microscopy. Journal of bacteriology, Vol. 178, H. 11. S. 3025-3030.

Muller, D. J. and Schoenenberger, C. A. and Buldt, G. and Engel, A.. (1996) Immuno-atomic force microscopy of purple membrane. Biophysical journal, Vol. 70, H. 4. S. 1796-1802.

Walz, T. and Tittmann, P. and Fuchs, K. H. and Muller, D. J. and Smith, B. L. and Agre, P. and Gross, H. and Engel, A.. (1996) Surface topographies at subnanometer-resolution reveal asymmetry and sidedness of aquaporin-1. Journal of molecular biology, Vol. 264, H. 5. S. 907-918.

1995

Muller, D. J. and Buldt, G. and Engel, A.. (1995) Force-induced conformational change of bacteriorhodopsin. Journal of molecular biology, Vol. 249, H. 2. S. 239-243.

Knapp, H. F. and Wyss, R. and Haring, R. and Henn, C. and Guckenberger, R. and Engel, A.. (1995) Hybrid scanning transmission electron/scanning tunneling microscope system for the preparation and investigation of biomolecules. Journal of Microscopy, Vol. 177, Pt 1. S. 31-42.

Muller, D. J. and Schabert, F. A. and Buldt, G. and Engel, A.. (1995) Imaging purple membranes in aqueous solutions at sub-nanometer resolution by atomic force microscopy. Biophysical journal, Vol. 68, H. 5. S. 1681-1686.

Engel, A. and Hayer-Hartl, M. K. and Goldie, K. N. and Pfeifer, G. and Hegerl, R. and Muller, S. and da Silva, A. C. and Baumeister, W. and Hartl, F. U.. (1995) Functional significance of symmetrical versus asymmetrical GroEL-GroES chaperonin complexes. Science, Vol. 269, no. 5225. S. 832-836.

Walz, T. and Haner, M. and Wu, X. R. and Henn, C. and Engel, A. and Sun, T. T. and Aebi, U.. (1995) Towards the molecular architecture of the asymmetric unit membrane of the mammalian urinary bladder epithelium : a closed "twisted ribbon" structure. Journal of molecular biology, Vol. 248, H. 5. S. 887-900.

1994

Schabert, F. A. and Engel, A.. (1994) Reproducible acquisition of Escherichia coli porin surface topographs by atomic force microscopy. Biophysical journal, Vol. 67, H. 6. S. 2394-2403.

Walz, T. and Smith, B. L. and Agre, P. and Engel, A.. (1994) The three-dimensional structure of human erythrocyte aquaporin CHIP. The EMBO journal, Vol. 13, H. 13. S. 2985-2993.

Bremer, A. and Henn, C. and Goldie, K. N. and Engel, A. and Smith, P. R. and Aebi, U.. (1994) Towards atomic interpretation of F-actin filament three-dimensional reconstructions. Journal of molecular biology, Vol. 242, H. 5. S. 683-700.