Annotations: 1JR1

Domain Annotation: SCOP/SCOPe Classification SCOP Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1jr1a1	Alpha and beta proteins (a/b)	TIM beta/alpha-barrel	Inosine monophosphate dehydrogenase (IMPDH)	Inosine monophosphate dehydrogenase (IMPDH)	Inosine monophosphate dehydrogenase (IMPDH)	Chinese hamster (Cricetulus griseus ) [TaxId: 10029 ],	SCOPe (2.08)
A	d1jr1a4	Alpha and beta proteins (a+b)	CBS-domain pair	CBS-domain pair	CBS-domain pair	Type II inosine monophosphate dehydrogenase CBS domains	Chinese hamster (Cricetulus griseus ) [TaxId: 10029 ],	SCOPe (2.08)
B	d1jr1b1	Alpha and beta proteins (a/b)	TIM beta/alpha-barrel	Inosine monophosphate dehydrogenase (IMPDH)	Inosine monophosphate dehydrogenase (IMPDH)	Inosine monophosphate dehydrogenase (IMPDH)	Chinese hamster (Cricetulus griseus ) [TaxId: 10029 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	CBS-domain pair	8019947	4000247	SCOP2 (2022-06-29)
A	SCOP2 Family	Inosine monophosphate dehydrogenase (IMPDH)	8022163	4003103	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	CBS-domain pair	8032327	3000123	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Inosine monophosphate dehydrogenase (IMPDH)	8034543	3000263	SCOP2 (2022-06-29)
B	SCOP2B Superfamily	Inosine monophosphate dehydrogenase (IMPDH)	8034543	3000263	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Inosine monophosphate dehydrogenase (IMPDH)	8034543	3000263	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	IMPDH_2nd	e1jr1A1	A: a+b duplicates or obligate multimers	X: CBS-domain (From Topology)	H: CBS-domain (From Topology)	T: CBS-domain	F: IMPDH_2nd	ECOD (1.6)
A	IMPDH_1st	e1jr1A2	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: IMPDH_1st	ECOD (1.6)
B	IMPDH_1st	e1jr1B1	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: IMPDH_1st	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

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

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF00478	IMP dehydrogenase / GMP reductase domain (IMPDH)	IMP dehydrogenase / GMP reductase domain	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 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

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Inosine-5'-Monophosphate Dehydrogenase 2	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 organic cyclic compound binding nucleotide binding heterocyclic compound binding small molecule binding cation binding ion binding metal ion binding	rhythmic process circadian rhythm purine ribonucleoside monophosphate biosynthetic process nucleotide biosynthetic process organonitrogen compound biosynthetic process carbohydrate derivative metabolic process purine ribonucleotide biosynthetic process cellular nitrogen compound biosynthetic process nucleobase-containing compound metabolic process ribonucleotide biosynthetic process purine nucleoside monophosphate biosynthetic process heterocycle metabolic process purine nucleoside monophosphate metabolic process phosphate-containing compound metabolic process rhythmic process circadian rhythm purine ribonucleoside monophosphate biosynthetic process nucleotide biosynthetic process organonitrogen compound biosynthetic process carbohydrate derivative metabolic process purine ribonucleotide biosynthetic process cellular nitrogen compound biosynthetic process nucleobase-containing compound metabolic process ribonucleotide biosynthetic process purine nucleoside monophosphate biosynthetic process heterocycle metabolic process purine nucleoside monophosphate metabolic process phosphate-containing compound metabolic process organic substance biosynthetic process GMP metabolic process small molecule metabolic process phosphorus metabolic process ribose phosphate biosynthetic process nucleoside phosphate metabolic process cellular metabolic process GMP biosynthetic process cellular nitrogen compound metabolic process primary metabolic process nucleotide metabolic process organic cyclic compound metabolic process biosynthetic process aromatic compound biosynthetic process organophosphate biosynthetic process organic cyclic compound biosynthetic process nucleoside phosphate biosynthetic process metabolic process purine ribonucleotide metabolic process purine nucleotide biosynthetic process ribose phosphate metabolic process cellular biosynthetic process purine ribonucleoside monophosphate metabolic process purine nucleotide metabolic process organic substance metabolic process ribonucleotide metabolic process ribonucleoside monophosphate metabolic process nucleobase-containing small molecule metabolic process purine-containing compound biosynthetic process nitrogen compound metabolic process nucleoside monophosphate metabolic process carbohydrate derivative biosynthetic process organonitrogen compound metabolic process nucleobase-containing compound biosynthetic process heterocycle biosynthetic process nucleoside monophosphate biosynthetic process purine-containing compound metabolic process organophosphate metabolic process cellular process ribonucleoside monophosphate biosynthetic process cellular aromatic compound metabolic process GTP metabolic process GTP biosynthetic process purine ribonucleoside triphosphate biosynthetic process purine nucleoside triphosphate biosynthetic process ribonucleoside triphosphate biosynthetic process nucleoside triphosphate metabolic process purine ribonucleoside triphosphate metabolic process ribonucleoside triphosphate metabolic process purine nucleoside triphosphate metabolic process nucleoside triphosphate biosynthetic process cellular response to stimulus response to organic substance response to stimulus response to cytokine response to interleukin-4 cellular response to chemical stimulus response to chemical cellular response to cytokine stimulus cellular response to interleukin-4 cellular response to organic substance 'de novo' XMP biosynthetic process XMP biosynthetic process XMP metabolic process multicellular organismal process cell population proliferation immune system process mononuclear cell proliferation lymphocyte proliferation cell activation lymphocyte activation leukocyte proliferation leukocyte activation	intracellular anatomical structure cytoplasm cellular anatomical entity cytosol membrane-bounded organelle intracellular organelle organelle nucleus intracellular membrane-bounded organelle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
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	IPR000644	CBS domain	Domain
A, B	IPR015875	IMP dehydrogenase / GMP reductase, conserved site	Conserved Site

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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 R01GM133198.