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Flexible structure alignment by chaining aligned fragment pairs allowing twists

Ye, Yuzhen, Godzik, Adam·2003·Bioinformatics

Abstract

Motivation: Protein structures are flexible and undergo structural rearrangements as part of their function, and yet most existing protein structure comparison methods treat them as rigid bodies, which may lead to incorrect alignment. Results: We have developed the Flexible structure AlignmenT by Chaining AFPs (Aligned Fragment Pairs) with Twists (FATCAT), a new method for structural alignment of proteins. The FATCAT approach simultaneously addresses the two major goals of flexible structure alignment; optimizing the alignment and minimizing the number of rigid-body movements (twists) around pivot points (hinges) introduced in the reference protein. In contrast, currently existing flexible structure alignment programs treat the hinge detection as a post-process of a standard rigid body alignment. We illustrate the advantages of the FATCAT approach by several examples of comparison between proteins known to adopt different conformations, where the FATCAT algorithm achieves more accurate structure alignments than current methods, while at the same time introducing fewer hinges. Contacts: adam@burnham.org *To whom correspondence should be addressed.

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Metadata

Authors
Ye, Y., & Godzik, A.
Venue
Bioinformatics
Published
2003-09-27
Volume
19
Issue
suppl_2
Pages
ii246-ii255
ISSN
  • 1367-4803 (ISSN-L)
  • 1367-4811
OpenAlex
W2097642323
Cited by
616
References
21
FWCI
3.00
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Flexible structure alignment by chaining aligned fragment pairs allowing twists. https://app.cochat.ai/papers/10.1093/bioinformatics/btg1086
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Ye, Y., & Godzik, A. (2003). Flexible structure alignment by chaining aligned fragment pairs allowing twists. Bioinformatics. https://doi.org/10.1093/bioinformatics/btg1086

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