Annotations: 2PBZ

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d2pbza1	Alpha and beta proteins (a/b)	PreATP-grasp domain	PreATP-grasp domain	PurP N-terminal domain-like	5-formaminoimidazole-4-carboxamide ribonucleotide synthetase PurP	(Thermococcus kodakarensis KOD1 ) [TaxId: 69014 ],	SCOPe (2.08)
A	d2pbza2	Alpha and beta proteins (a+b)	ATP-grasp	Glutathione synthetase ATP-binding domain-like	PurP ATP-binding domain-like	5-formaminoimidazole-4-carboxamide ribonucleotide synthetase PurP	(Thermococcus kodakarensis KOD1 ) [TaxId: 69014 ],	SCOPe (2.08)
B	d2pbzb1	Alpha and beta proteins (a/b)	PreATP-grasp domain	PreATP-grasp domain	PurP N-terminal domain-like	5-formaminoimidazole-4-carboxamide ribonucleotide synthetase PurP	(Thermococcus kodakarensis KOD1 ) [TaxId: 69014 ],	SCOPe (2.08)
B	d2pbzb2	Alpha and beta proteins (a+b)	ATP-grasp	Glutathione synthetase ATP-binding domain-like	PurP ATP-binding domain-like	5-formaminoimidazole-4-carboxamide ribonucleotide synthetase PurP	(Thermococcus kodakarensis KOD1 ) [TaxId: 69014 ],	SCOPe (2.08)
C	d2pbzc1	Alpha and beta proteins (a/b)	PreATP-grasp domain	PreATP-grasp domain	PurP N-terminal domain-like	5-formaminoimidazole-4-carboxamide ribonucleotide synthetase PurP	(Thermococcus kodakarensis KOD1 ) [TaxId: 69014 ],	SCOPe (2.08)
C	d2pbzc2	Alpha and beta proteins (a+b)	ATP-grasp	Glutathione synthetase ATP-binding domain-like	PurP ATP-binding domain-like	5-formaminoimidazole-4-carboxamide ribonucleotide synthetase PurP	(Thermococcus kodakarensis KOD1 ) [TaxId: 69014 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	PurP ATP-binding domain-like	8023143	4002469	SCOP2 (2022-06-29)
A	SCOP2 Family	PurP N-terminal domain-like	8023142	4002172	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Glutathione synthetase ATP-binding domain-like	8035523	3000094	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	PreATP-grasp domain	8035522	3001680	SCOP2 (2022-06-29)
B	SCOP2B Superfamily	PreATP-grasp domain	8035522	3001680	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Glutathione synthetase ATP-binding domain-like	8035523	3000094	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	PreATP-grasp domain	8035522	3001680	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Glutathione synthetase ATP-binding domain-like	8035523	3000094	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	PF06973	e2pbzA1	A: a+b complex topology	X: Protein kinase/SAICAR synthase/ATP-grasp (From Homology)	H: Protein kinase/SAICAR synthase/ATP-grasp	T: ATP-grasp	F: PF06973	ECOD (1.6)
A	PF06849	e2pbzA2	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: PreATP-grasp domain	F: PF06849	ECOD (1.6)
B	PF06973	e2pbzB1	A: a+b complex topology	X: Protein kinase/SAICAR synthase/ATP-grasp (From Homology)	H: Protein kinase/SAICAR synthase/ATP-grasp	T: ATP-grasp	F: PF06973	ECOD (1.6)
B	PF06849	e2pbzB2	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: PreATP-grasp domain	F: PF06849	ECOD (1.6)
C	PF06973	e2pbzC1	A: a+b complex topology	X: Protein kinase/SAICAR synthase/ATP-grasp (From Homology)	H: Protein kinase/SAICAR synthase/ATP-grasp	T: ATP-grasp	F: PF06973	ECOD (1.6)
C	PF06849	e2pbzC2	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: PreATP-grasp domain	F: PF06849	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.40.50.20	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold		CATH (4.3.0)
A	3.30.470.20	Alpha Beta	2-Layer Sandwich	D-amino Acid Aminotransferase	Chain A, domain 1	CATH (4.3.0)
A	3.30.1490.20	Alpha Beta	2-Layer Sandwich	Dna Ligase	domain 1	CATH (4.3.0)
B	3.40.50.20	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold		CATH (4.3.0)
B	3.30.470.20	Alpha Beta	2-Layer Sandwich	D-amino Acid Aminotransferase	Chain A, domain 1	CATH (4.3.0)
B	3.30.1490.20	Alpha Beta	2-Layer Sandwich	Dna Ligase	domain 1	CATH (4.3.0)
C	3.40.50.20	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold		CATH (4.3.0)
C	3.30.470.20	Alpha Beta	2-Layer Sandwich	D-amino Acid Aminotransferase	Chain A, domain 1	CATH (4.3.0)
C	3.30.1490.20	Alpha Beta	2-Layer Sandwich	Dna Ligase	domain 1	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C	PF06849	Protein of unknown function (DUF1246) (DUF1246)	Protein of unknown function (DUF1246)	-	Family
A, B, C	PF06973	Domain of unknown function (DUF1297) (DUF1297)	Domain of unknown function (DUF1297)	This family represents the C-terminus (approximately 200 residues) of a number of archaeal proteins of unknown function. One member is annotated as being a possible carboligase enzyme.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C	Hypothetical protein	cation binding magnesium ion binding ion binding binding metal ion binding small molecule binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding purine nucleotide binding organic cyclic compound binding anion binding cation binding magnesium ion binding ion binding binding metal ion binding small molecule binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding purine nucleotide binding organic cyclic compound binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding catalytic activity ligase activity, forming carbon-nitrogen bonds ligase activity	ribose phosphate metabolic process IMP metabolic process purine ribonucleoside monophosphate biosynthetic process nucleotide biosynthetic process organonitrogen compound 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 organic substance metabolic process ribonucleotide metabolic process ribonucleoside monophosphate metabolic process ribose phosphate metabolic process IMP metabolic process purine ribonucleoside monophosphate biosynthetic process nucleotide biosynthetic process organonitrogen compound 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 organic substance metabolic process ribonucleotide metabolic process ribonucleoside monophosphate metabolic process nucleobase-containing small molecule metabolic process purine-containing compound biosynthetic process purine nucleoside monophosphate metabolic process phosphate-containing compound metabolic process organic substance biosynthetic process small molecule metabolic process phosphorus metabolic process ribose phosphate biosynthetic process nucleoside monophosphate metabolic process nucleoside phosphate metabolic process carbohydrate derivative biosynthetic process organonitrogen compound metabolic process cellular metabolic process primary metabolic process nucleotide metabolic process nucleobase-containing compound biosynthetic process nucleoside monophosphate biosynthetic process purine-containing compound metabolic process organic cyclic compound metabolic process IMP biosynthetic process biosynthetic process organophosphate metabolic process organophosphate biosynthetic process organic cyclic compound biosynthetic process nucleoside phosphate biosynthetic process metabolic process cellular process purine ribonucleotide metabolic process ribonucleoside monophosphate biosynthetic process purine nucleotide biosynthetic process	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C	IPR010672	IMP biosynthesis enzyme PurP, N-terminal	Domain
A, B, C	IPR016185	Pre-ATP-grasp domain superfamily	Homologous Superfamily
A, B, C	IPR013815	ATP-grasp fold, subdomain 1	Homologous Superfamily
A, B, C	IPR009720	IMP biosynthesis enzyme PurP, C-terminal	Domain
A, B, C	IPR023656	IMP biosynthesis enzyme PurP	Family

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 R01GM133198.