Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
ASCOP2B SuperfamilyPAP/OAS1 substrate-binding domain-like 8039304 3000941 SCOP2B (2022-06-29)
ASCOP2B SuperfamilyNucleotidyltransferase-like 8039305 3000129 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
AOAS1_Ce4rwpA1 A: alpha arraysX: HhH/H2THH: SAM/DNA-glycosylaseT: PAP/OAS1 substrate-binding domainF: OAS1_CECOD (1.6)
ANTP_transf_2_1e4rwpA2 A: a+b three layersX: Nucleotidyltransferase-likeH: Nucleotidyltransferase (From Topology)T: NucleotidyltransferaseF: NTP_transf_2_1ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
A3.30.460.10 Alpha Beta 2-Layer Sandwich Beta Polymerase domain 2CATH (4.3.0)
A1.10.1410.20 Mainly Alpha Orthogonal Bundle Poly(a)-polymerase, middle domain 2'-5'-oligoadenylate synthetase 1, domain 2CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
PF104212'-5'-oligoadenylate synthetase 1, domain 2, C-terminus (OAS1_C)2'-5'-oligoadenylate synthetase 1, domain 2, C-terminusThis is the largely alpha-helical, C-terminal half of 2'-5'-oligoadenylate synthetase 1, being described as domain 2 of the enzyme and homologous to a tandem ubiquitin repeat. It carries the region of enzymic activity between 320 and 344 at the extre ...This is the largely alpha-helical, C-terminal half of 2'-5'-oligoadenylate synthetase 1, being described as domain 2 of the enzyme and homologous to a tandem ubiquitin repeat. It carries the region of enzymic activity between 320 and 344 at the extreme C-terminal end [1]. Oligoadenylate synthetases are antiviral enzymes that counteract vial attack by degrading viral RNA. The enzyme uses ATP in 2'-specific nucleotidyl transfer reactions to synthesise 2'.5'-oligoadenylates, which activate latent ribonuclease, resulting in degradation of viral RNA and inhibition of virus replication [2]. This domain is often associated with NTP_transf_2 Pfam:PF01909.
Domain
PF01909Nucleotidyltransferase domain (NTP_transf_2)Nucleotidyltransferase domainMembers of this family belong to a large family of nucleotidyltransferases [1]. This family includes kanamycin nucleotidyltransferase (KNTase) which is a plasmid-coded enzyme responsible for some types of bacterial resistance to aminoglycosides. KNTa ...Members of this family belong to a large family of nucleotidyltransferases [1]. This family includes kanamycin nucleotidyltransferase (KNTase) which is a plasmid-coded enzyme responsible for some types of bacterial resistance to aminoglycosides. KNTase in-activates antibiotics by catalysing the addition of a nucleotidyl group onto the drug.
Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
2'-5'-oligoadenylate synthase 1
RNA (5'-R(*GP*GP*CP*UP*UP*UP*UP*GP*AP*CP*CP*UP*UP*UP*AP*UP*GP*AP*A)-3')---
RNA (5'-R(*UP*UP*CP*AP*UP*AP*AP*AP*GP*GP*UP*CP*AP*AP*AP*AP*GP*CP*C)-3')---