An enzyme that catalyzes the conversion of ATP into a series of (2'-5') linked oligoadenylates and pyrophosphate in the presence of double-stranded RNA. These oligonucleotides activate an endoribonuclease (RNase L) which cleaves single-stranded RNA. Interferons can act as inducers of these reactions.
Also Known As:
2',5' Oligoadenylate Synthetase; (2'-5')An Polymerase; 2',5'-Oligo(A) Polymerase; 2',5'-Oligo(A) Synthetase; 2,5 Oligoadenylate Polymerase; 2,5 Oligoadenylate Synthetase; ATP-(2'-5')oligo(A)adenylyltransferase; 2',5' Oligoadenylate Polymerase; Oligoadenylate Polymerase, 2,5; Oligoadenylate Synthetase, 2,5; Polymerase, 2',5'-Oligoadenylate; Polymerase, 2,5 Oligoadenylate; Synthetase, 2',5'-Oligoadenylate; Synthetase, 2,5 Oligoadenylate; 2',5'-Oligoadenylate Polymerase; 2-5A Synthetase