[Term]
id: PR:000025875
name: serpin
def: "A protein that is primarily known as an irreversible serine protease inhibitor active against S1, S8 and C14 peptidases. There are both extra- and intra-cellular serpins, which are found in all groups of organisms with the notable exception of fungi. Serpin contains a copy of the Serpin (Pfam:PF00079) domain." [InterPro:IPR000215, PRO:CNA]
comment: Category=family.
xref: PIRSF:PIRSF001630
xref: PANTHER:PTHR11461
is_a: PR:000000001 ! protein