Pattern recognition and self‐correcting distance geometry calculations applied to myohemerythrin
Authors:
- W. BraunWBW. Braun
- 16 May 1994
- journal article
- Published by Wiley in FEBS Letters
- Vol. 344 (2-3) , 147-153
Abstract
A topological list, consisting of segments of regular secondary structures and a list of buried and solvent accessible residues, is automatically predicted from multiple aligned sequences in a protein family. This topological list is translated into geometric constraints for distance geometry calculation in torsion angle space. A new self-correcting distance geometry method detects and eliminates false distance constraints. In an application to the four-helix bundle protein, myohem-erythrin, the right-handed global fold was correctly reproduced with a root-mean-square deviation of 2.6 A, when the topological list was derived from the X-ray structure. A predicted topological list, coupled with constraints from the residues in the active site of myohemerythrin, predicted the correct fold with a root-mean-square deviation of 4 A for backbone atoms.Keywords
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