6UDQ

Human IMPDH2 treated with ATP, IMP, and 20 mM GTP. Fully compressed filament end reconstruction.


Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
B [auth A]SCOP2B SuperfamilyCBS-domain pair 8032324 3000123 SCOP2B (2022-06-29)
B [auth A]SCOP2B SuperfamilyInosine monophosphate dehydrogenase (IMPDH) 8043277 3000263 SCOP2B (2022-06-29)
B [auth A]SCOP2B SuperfamilyInosine monophosphate dehydrogenase (IMPDH) 8043277 3000263 SCOP2B (2022-06-29)
C [auth E]SCOP2B SuperfamilyInosine monophosphate dehydrogenase (IMPDH) 8043277 3000263 SCOP2B (2022-06-29)
C [auth E]SCOP2B SuperfamilyCBS-domain pair 8032324 3000123 SCOP2B (2022-06-29)
C [auth E]SCOP2B SuperfamilyInosine monophosphate dehydrogenase (IMPDH) 8043277 3000263 SCOP2B (2022-06-29)
FSCOP2B SuperfamilyCBS-domain pair 8032324 3000123 SCOP2B (2022-06-29)
FSCOP2B SuperfamilyInosine monophosphate dehydrogenase (IMPDH) 8043277 3000263 SCOP2B (2022-06-29)
FSCOP2B SuperfamilyInosine monophosphate dehydrogenase (IMPDH) 8043277 3000263 SCOP2B (2022-06-29)
H [auth C]SCOP2B SuperfamilyCBS-domain pair 8032324 3000123 SCOP2B (2022-06-29)
H [auth C]SCOP2B SuperfamilyInosine monophosphate dehydrogenase (IMPDH) 8043277 3000263 SCOP2B (2022-06-29)
H [auth C]SCOP2B SuperfamilyInosine monophosphate dehydrogenase (IMPDH) 8043277 3000263 SCOP2B (2022-06-29)
I [auth G]SCOP2B SuperfamilyCBS-domain pair 8032324 3000123 SCOP2B (2022-06-29)
I [auth G]SCOP2B SuperfamilyInosine monophosphate dehydrogenase (IMPDH) 8043277 3000263 SCOP2B (2022-06-29)
I [auth G]SCOP2B SuperfamilyInosine monophosphate dehydrogenase (IMPDH) 8043277 3000263 SCOP2B (2022-06-29)
K [auth D]SCOP2B SuperfamilyInosine monophosphate dehydrogenase (IMPDH) 8043277 3000263 SCOP2B (2022-06-29)
K [auth D]SCOP2B SuperfamilyInosine monophosphate dehydrogenase (IMPDH) 8043277 3000263 SCOP2B (2022-06-29)
K [auth D]SCOP2B SuperfamilyCBS-domain pair 8032324 3000123 SCOP2B (2022-06-29)
E [auth B]SCOP2B SuperfamilyCBS-domain pair 8032324 3000123 SCOP2B (2022-06-29)
E [auth B]SCOP2B SuperfamilyInosine monophosphate dehydrogenase (IMPDH) 8043277 3000263 SCOP2B (2022-06-29)
E [auth B]SCOP2B SuperfamilyInosine monophosphate dehydrogenase (IMPDH) 8043277 3000263 SCOP2B (2022-06-29)
L [auth H]SCOP2B SuperfamilyCBS-domain pair 8032324 3000123 SCOP2B (2022-06-29)
L [auth H]SCOP2B SuperfamilyInosine monophosphate dehydrogenase (IMPDH) 8043277 3000263 SCOP2B (2022-06-29)
L [auth H]SCOP2B SuperfamilyInosine monophosphate dehydrogenase (IMPDH) 8043277 3000263 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
B [auth A]IMPDH_2nde6udqA2 A: a+b duplicates or obligate multimersX: CBS-domain (From Topology)H: CBS-domain (From Topology)T: CBS-domainF: IMPDH_2ndECOD (1.6)
B [auth A]IMPDH_1ste6udqA1 A: a/b barrelsX: TIM beta/alpha-barrelH: TIM barrels (From Topology)T: TIM barrelsF: IMPDH_1stECOD (1.6)
C [auth E]IMPDH_1ste6udqE1 A: a/b barrelsX: TIM beta/alpha-barrelH: TIM barrels (From Topology)T: TIM barrelsF: IMPDH_1stECOD (1.6)
FIMPDH_1ste6udqF1 A: a/b barrelsX: TIM beta/alpha-barrelH: TIM barrels (From Topology)T: TIM barrelsF: IMPDH_1stECOD (1.6)
H [auth C]IMPDH_2nde6udqC1 A: a+b duplicates or obligate multimersX: CBS-domain (From Topology)H: CBS-domain (From Topology)T: CBS-domainF: IMPDH_2ndECOD (1.6)
H [auth C]IMPDH_1ste6udqC2 A: a/b barrelsX: TIM beta/alpha-barrelH: TIM barrels (From Topology)T: TIM barrelsF: IMPDH_1stECOD (1.6)
I [auth G]IMPDH_1ste6udqG1 A: a/b barrelsX: TIM beta/alpha-barrelH: TIM barrels (From Topology)T: TIM barrelsF: IMPDH_1stECOD (1.6)
K [auth D]IMPDH_2nde6udqD2 A: a+b duplicates or obligate multimersX: CBS-domain (From Topology)H: CBS-domain (From Topology)T: CBS-domainF: IMPDH_2ndECOD (1.6)
K [auth D]IMPDH_1ste6udqD1 A: a/b barrelsX: TIM beta/alpha-barrelH: TIM barrels (From Topology)T: TIM barrelsF: IMPDH_1stECOD (1.6)
E [auth B]IMPDH_2nde6udqB1 A: a+b duplicates or obligate multimersX: CBS-domain (From Topology)H: CBS-domain (From Topology)T: CBS-domainF: IMPDH_2ndECOD (1.6)
E [auth B]IMPDH_1ste6udqB2 A: a/b barrelsX: TIM beta/alpha-barrelH: TIM barrels (From Topology)T: TIM barrelsF: IMPDH_1stECOD (1.6)
L [auth H]IMPDH_1ste6udqH1 A: a/b barrelsX: TIM beta/alpha-barrelH: TIM barrels (From Topology)T: TIM barrelsF: IMPDH_1stECOD (1.6)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
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
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
Inosine-5'-monophosphate dehydrogenase 2