Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
ASCOP2B SuperfamilyCBS-domain pair 8032324 3000123 SCOP2B (2022-06-29)
ASCOP2B SuperfamilyInosine monophosphate dehydrogenase (IMPDH) 8043277 3000263 SCOP2B (2022-06-29)
BSCOP2B SuperfamilyCBS-domain pair 8032324 3000123 SCOP2B (2022-06-29)
BSCOP2B SuperfamilyInosine monophosphate dehydrogenase (IMPDH) 8043277 3000263 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
AIMPDH_2nde6i0oA1 A: a+b duplicates or obligate multimersX: CBS-domain (From Topology)H: CBS-domain (From Topology)T: CBS-domainF: IMPDH_2ndECOD (1.6)
AIMPDH_1ste6i0oA2 A: a/b barrelsX: TIM beta/alpha-barrelH: TIM barrels (From Topology)T: TIM barrelsF: IMPDH_1stECOD (1.6)
BIMPDH_2nde6i0oB2 A: a+b duplicates or obligate multimersX: CBS-domain (From Topology)H: CBS-domain (From Topology)T: CBS-domainF: IMPDH_2ndECOD (1.6)
BIMPDH_1ste6i0oB1 A: a/b barrelsX: TIM beta/alpha-barrelH: TIM barrels (From Topology)T: TIM barrelsF: IMPDH_1stECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
A3.20.20.70 Alpha Beta Alpha-Beta Barrel TIM Barrel Aldolase class ICATH (4.3.0)
B3.20.20.70 Alpha Beta Alpha-Beta Barrel TIM Barrel Aldolase class ICATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
A, B
PF00571CBS domain (CBS)CBS domainCBS domains are small intracellular modules that pair together to form a stable globular domain [2]. This family represents a single CBS domain. Pairs of these domains have been termed a Bateman domain [6]. CBS domains have been shown to bind ligands ...CBS domains are small intracellular modules that pair together to form a stable globular domain [2]. This family represents a single CBS domain. Pairs of these domains have been termed a Bateman domain [6]. CBS domains have been shown to bind ligands with an adenosyl group such as AMP, ATP and S-AdoMet [5]. CBS domains are found attached to a wide range of other protein domains suggesting that CBS domains may play a regulatory role making proteins sensitive to adenosyl carrying ligands. The region containing the CBS domains in Cystathionine-beta synthase is involved in regulation by S-AdoMet [4]. CBS domain pairs from AMPK bind AMP or ATP [5]. The CBS domains from IMPDH and the chloride channel CLC2 bind ATP [5].
Domain
A, B
PF00478IMP dehydrogenase / GMP reductase domain (IMPDH)IMP dehydrogenase / GMP reductase domainThis family is involved in biosynthesis of guanosine nucleotide. Members of this family contain a TIM barrel structure. In the inosine monophosphate dehydrogenases 2 CBS domains Pfam:PF00571 are inserted in the TIM barrel [2]. This family is a membe ...This family is involved in biosynthesis of guanosine nucleotide. Members of this family contain a TIM barrel structure. In the inosine monophosphate dehydrogenases 2 CBS domains Pfam:PF00571 are inserted in the TIM barrel [2]. This family is a member of the common phosphate binding site TIM barrel family.
Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
A, B
Inosine-5'-monophosphate dehydrogenase 2