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Alpha-2-macroglobulin-like protein 1

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Protein Overview: Alpha-2-macroglobulin-like protein 1

Is able to inhibit all four classes of proteinases by a unique 'trapping' mechanism. This protein has a peptide stretch, called the 'bait region' which contains specific cleavage sites for different proteinases. When a proteinase cleaves the bait region, a conformational change is induced in the protein which traps the proteinase. The entrapped enzyme remains active against low molecular weight substrates (activity against high molecular weight substrates is greatly reduced). Following cleavage in the bait region a thioester bond is hydrolyzed and mediates the covalent binding of the protein to the proteinase (By similarity). Displays inhibitory activity against chymotrypsin, papain, thermolysin, subtilisin A and, to a lesser extent, elastase but not trypsin. May play an important role during desquamation by inhibiting extracellular proteases.

Synonyms: C3 and PZP-like alpha-2-macroglobulin domain-containing protein 9

Gene name: A2ML1

Database References

UniProtID GeneID
Homo sapiens A8K2U0

Protein Overview data has been sourced from Uniprot Consortium's databases under a Creative Commons Attribution-Commercial license. © 2017