transglutaminase-4 [prostate] (fibrinoligase, prostate transglutaminase, TGP, prostate-specific transglutaminase, TGM4)
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Function
- associated with the mammalian reproductive process catalyzes the cross-linking of proteins & the conjugation of polyamines to specific proteins in the seminal tract
protein glutamine + alkylamine <--> protein N(5)-alkylglutamine + NH3
Cofactor: binds 1 Ca+2 per subunit (putative)
Structure
- belongs to the transglutaminase superfamily transglutaminase family