2CU0 | pdb_00002cu0

Crystal structure of inosine-5'-monophosphate dehydrogenase from Pyrococcus horikoshii OT3

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
B	d2cu0b1	Alpha and beta proteins (a/b)	TIM beta/alpha-barrel	Inosine monophosphate dehydrogenase (IMPDH)	Inosine monophosphate dehydrogenase (IMPDH)	Inosine monophosphate dehydrogenase (IMPDH)	(Pyrococcus horikoshii ) [TaxId: 53953 ],	SCOPe (2.08)
A	d2cu0a1	Alpha and beta proteins (a/b)	TIM beta/alpha-barrel	Inosine monophosphate dehydrogenase (IMPDH)	Inosine monophosphate dehydrogenase (IMPDH)	Inosine monophosphate dehydrogenase (IMPDH)	(Pyrococcus horikoshii ) [TaxId: 53953 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2B Superfamily	Inosine monophosphate dehydrogenase (IMPDH)	8033691	3000263	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Inosine monophosphate dehydrogenase (IMPDH)	8033691	3000263	SCOP2B (2022-06-29)
A	SCOP2 Family	Inosine monophosphate dehydrogenase (IMPDH)	8021311	4003103	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Inosine monophosphate dehydrogenase (IMPDH)	8033691	3000263	SCOP2 (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B		e2cu0B1	A: HTH	X: HTH	H: winged helix domain	T: HMG_CoA_synt_N	F:	ECOD (20:10:01)
A		e2cu0A1	A: C-terminal subdomain in Lon-related proteases catalytic domains	X: C-terminal subdomain in Lon-related proteases catalytic domains	H: C-terminal subdomain in Lon-related proteases catalytic domains	T: IMPDH, FMN_dh, Glu_synthase	F:	ECOD (20:10:01)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	3.20.20.70	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Aldolase class I	CATH (4.3.0)
A	3.20.20.70	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Aldolase class I	CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Inosine-5'-monophosphate dehydrogenase	oxidoreductase activity oxidoreductase activity, acting on the CH-OH group of donors, NAD or NADP as acceptor oxidoreductase activity, acting on CH-OH group of donors catalytic activity IMP dehydrogenase activity binding nucleoside phosphate binding nucleotide binding heterocyclic compound binding small molecule binding cation binding ion binding metal ion binding	ribose phosphate metabolic process purine ribonucleoside monophosphate biosynthetic process nucleotide biosynthetic process carbohydrate derivative metabolic process purine ribonucleotide biosynthetic process nucleobase-containing compound metabolic process ribonucleotide biosynthetic process purine nucleoside monophosphate biosynthetic process purine ribonucleoside monophosphate metabolic process purine nucleotide metabolic process ribonucleotide metabolic process nucleobase-containing small molecule metabolic process purine-containing compound biosynthetic process purine nucleoside monophosphate metabolic process phosphate-containing compound metabolic process ribose phosphate metabolic process purine ribonucleoside monophosphate biosynthetic process nucleotide biosynthetic process carbohydrate derivative metabolic process purine ribonucleotide biosynthetic process nucleobase-containing compound metabolic process ribonucleotide biosynthetic process purine nucleoside monophosphate biosynthetic process purine ribonucleoside monophosphate metabolic process purine nucleotide metabolic process ribonucleotide metabolic process nucleobase-containing small molecule metabolic process purine-containing compound biosynthetic process purine nucleoside monophosphate metabolic process phosphate-containing compound metabolic process GMP metabolic process small molecule metabolic process phosphorus metabolic process ribose phosphate biosynthetic process nucleoside monophosphate metabolic process nucleoside phosphate metabolic process carbohydrate derivative biosynthetic process GMP biosynthetic process primary metabolic process nucleotide metabolic process nucleobase-containing compound biosynthetic process nucleoside monophosphate biosynthetic process purine-containing compound metabolic process biosynthetic process organophosphate metabolic process organophosphate biosynthetic process nucleoside phosphate biosynthetic process metabolic process cellular process purine ribonucleotide metabolic process ribonucleoside monophosphate biosynthetic process purine nucleotide biosynthetic process GTP metabolic process GTP biosynthetic process purine ribonucleoside triphosphate biosynthetic process purine nucleoside triphosphate biosynthetic process purine ribonucleoside triphosphate metabolic process purine nucleoside triphosphate metabolic process nucleoside triphosphate biosynthetic process ribonucleoside triphosphate biosynthetic process nucleoside triphosphate metabolic process	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR046342	CBS domain superfamily	Homologous Superfamily
A, B	IPR000644	CBS domain	Domain
A, B	IPR001093	IMP dehydrogenase/GMP reductase	Domain
A, B	IPR013785	Aldolase-type TIM barrel	Homologous Superfamily
A, B	IPR005990	Inosine-5'-monophosphate dehydrogenase	Family
A, B	IPR015875	IMP dehydrogenase / GMP reductase, conserved site	Conserved Site

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.