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QuickView for Tissue inhibitor of metalloproteinases-like, OB-fold (biogroup)
- Description:
- Tissue inhibitors of metalloproteinases (TIMP) are a family of proteins that can form complexes with extracellular matrix metalloproteinases (such as collagenases) and irreversibly inactivate them. TIMP and related proteins contains a five-stranded antiparallel beta-sheet that is rolled over on itself to form a closed beta-barrel, and two short helices, which pack close to one another on the same barrel face. A comparison of the delta TIMP-2 structure with other known protein folds reveals that the beta-barrel topology is homologous to that seen in proteins of the oligosaccharide/oligonucleotide binding (OB) fold family, a five-stranded beta-sheet coiled to form a closed beta-barrel capped by an alpha-helix located between the third and fourth strands.Other proteins contain domains with a similar OB-like fold:Netrin-like domain (NTR/C345C module), found in procollagen c-proteinase enhancer protein PCOLCE, and in the complement C5 domain.Laminin-binding domain, found in agrin.
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