[Term]
id: PR:000021966
name: cholera enterotoxin subunit A2
def: "A cholera enterotoxin subunit A isoform 1 that has been processed by proteolytic cleavage to yield the tethering subunit of subunit A. The cholera holotoxin consists of a pentameric ring of B subunits whose central pore is occupied by the A subunit. The A subunit contains two chains, A1 and A2, linked by a disulfide bridge." [PMID:7028752, UniProtKB:P01555]
comment: Category=modification.
synonym: "ctxA/Clv:A2" EXACT PRO-short-label [PRO:DAN]
synonym: "Cholera enterotoxin A2 chain" EXACT []
synonym: "Cholera enterotoxin gamma chain" EXACT []
is_a: PR:000021963 ! cholera enterotoxin subunit A isoform 1
relationship: output_of GO:0016485 ! protein processing