Top surface blade residues and the central channel water molecules are conserved in every repeat of the integrin-like β-propeller structures.

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Abstract

An integrin-like β-propeller domain contains seven repeats of a four-stranded antiparallel β-sheet motif (blades). Previously we described a 3D structural motif within each blade of the integrin-type β-propeller. Here, we show unique structural links that join different blades of the β-propeller structure, which together with the structural motif for a single blade are repeated in a β-propeller to provide the functional top face of the barrel, found to be involved in protein-protein interactions and substrate recognition. We compare functional top face diagrams of the integrin-type β-propeller domain and two non-integrin type β-propeller domains of virginiamycin B lyase and WD Repeat-Containing Protein 5.

Original languageUndefined/Unknown
Pages (from-to)155–161
JournalJournal of Structural Biology
Volume201
Issue number2
DOIs
Publication statusPublished - 2018
MoE publication typeA1 Journal article-refereed

Keywords

  • integrins
  • protein structure motifs
  • bioinformatics

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