1yzc | pdb_00001yzc

The solution structure of a redesigned apocytochrome B562 (Rd-apocyt b562) with the N- and a part of the C-terminal helices unfolded

spinqualitylabelsall models 1yzc Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 1yzc is a 1 chain structure with sequence from Homo sapiens. Full experimental information is available from OCA. For a guided tour on the structure components use FirstGlance. Method: Solution NMR Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Function Q0SXH8_SHIF8 Evolutionary Conservation Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf. Publication Abstract from PubMed Using native-state hydrogen-exchange-directed protein engineering and multidimensional NMR, we determined the high-resolution structure (rms deviation, 1.1 angstroms) for an intermediate of the four-helix bundle protein: Rd-apocytochrome b562. The intermediate has the N-terminal helix and a part of the C-terminal helix unfolded. In earlier studies, we also solved the structures of two other folding intermediates for the same protein: one with the N-terminal helix alone unfolded and the other with a reorganized hydrophobic core. Together, these structures provide a description of a protein folding pathway with multiple intermediates at atomic resolution. The two general features for the intermediates are (i) native-like backbone topology and (ii) nonnative side-chain interactions. These results have implications for important issues in protein folding studies, including large-scale conformation search, -value analysis, and computer simulations. A protein folding pathway with multiple folding intermediates at atomic resolution.,Feng H, Zhou Z, Bai Y Proc Natl Acad Sci U S A. 2005 Apr 5;102(14):5026-31. Epub 2005 Mar 25. PMID:15793003 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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