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Human VDAC Human VDAX shows an uneven number of 19 strands and 18 loop-like connections with a less distinct distribution of shortened loop structures to one side of the membrane. Structure of the human voltage-dependent anion channel. Bayrhuber M1, Meins T, Habeck M, Becker S, Giller K, Villinger S, Vonrhein C, Griesinger C, Zweckstetter M, Zeth K. Proc Natl Acad Sci U S A. 2008 Oct 7;105(40):15370-5. doi: 10.1073/pnas.0808115105. Epub 2008 Oct 1. (PubMed) 2JK4 (PDB) |
E.coli osmoporin OmpC Bacterial outer membrane proteins archetypically show structures with an even number of strands and a distribution of long loops pointing to the extracellular and short turns to the periplasmic side. Crystal structure of osmoporin OmpC from E. coli at 2.0 A.Baslé A, Rummel G, Storici P, Rosenbusch JP, Schirmer T. J Mol Biol. 2006 Oct 6;362(5):933-42. Epub 2006 Aug 3. (PubMed) 2J1N (PDB) |