Annotations: 1BD3

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
B [auth C]	d1bd3c_	Alpha and beta proteins (a/b)	PRTase-like	PRTase-like	Phosphoribosyltransferases (PRTases)	Uracil PRTase, Upp	(Toxoplasma gondii ) [TaxId: 5811 ],	SCOPe (2.08)
D [auth A]	d1bd3a_	Alpha and beta proteins (a/b)	PRTase-like	PRTase-like	Phosphoribosyltransferases (PRTases)	Uracil PRTase, Upp	(Toxoplasma gondii ) [TaxId: 5811 ],	SCOPe (2.08)
C [auth B]	d1bd3b_	Alpha and beta proteins (a/b)	PRTase-like	PRTase-like	Phosphoribosyltransferases (PRTases)	Uracil PRTase, Upp	(Toxoplasma gondii ) [TaxId: 5811 ],	SCOPe (2.08)
A [auth D]	d1bd3d_	Alpha and beta proteins (a/b)	PRTase-like	PRTase-like	Phosphoribosyltransferases (PRTases)	Uracil PRTase, Upp	(Toxoplasma gondii ) [TaxId: 5811 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B [auth C]	SCOP2B Superfamily	PRTase-like	8032247	3000060	SCOP2B (2022-06-29)
D [auth A]	SCOP2 Family	Phosphoribosyltransferases (PRTases)	8019867	4000253	SCOP2 (2022-06-29)
D [auth A]	SCOP2 Superfamily	PRTase-like	8032247	3000060	SCOP2 (2022-06-29)
C [auth B]	SCOP2B Superfamily	PRTase-like	8032247	3000060	SCOP2B (2022-06-29)
A [auth D]	SCOP2B Superfamily	PRTase-like	8032247	3000060	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)
B [auth C]	UPRTase	e1bd3C1	A: a/b three-layered sandwiches	X: PRTase-like (From Topology)	H: PRTase-like (From Topology)	T: PRTase-like	F: UPRTase	ECOD (1.6)
D [auth A]	UPRTase	e1bd3A1	A: a/b three-layered sandwiches	X: PRTase-like (From Topology)	H: PRTase-like (From Topology)	T: PRTase-like	F: UPRTase	ECOD (1.6)
C [auth B]	UPRTase	e1bd3B1	A: a/b three-layered sandwiches	X: PRTase-like (From Topology)	H: PRTase-like (From Topology)	T: PRTase-like	F: UPRTase	ECOD (1.6)
A [auth D]	UPRTase	e1bd3D1	A: a/b three-layered sandwiches	X: PRTase-like (From Topology)	H: PRTase-like (From Topology)	T: PRTase-like	F: UPRTase	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B [auth C]	3.40.50.2020	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold		CATH (4.3.0)
D [auth A]	3.40.50.2020	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold		CATH (4.3.0)
C [auth B]	3.40.50.2020	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold		CATH (4.3.0)
A [auth D]	3.40.50.2020	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold		CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A [auth D], B [auth C], C [auth B], D [auth A]	PF14681	Uracil phosphoribosyltransferase (UPRTase)	Uracil phosphoribosyltransferase	This family includes the enzyme uracil phosphoribosyltransferase (EC:2.4.2.9). This enzyme catalyzes the first step of UMP biosynthesis.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth D], B [auth C], C [auth B], D [auth A]	URACIL PHOSPHORIBOSYLTRANSFERASE	pentosyltransferase activity glycosyltransferase activity transferase activity catalytic activity uracil phosphoribosyltransferase activity binding guanyl nucleotide binding GTP binding nucleotide binding guanyl ribonucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding pentosyltransferase activity glycosyltransferase activity transferase activity catalytic activity uracil phosphoribosyltransferase activity binding guanyl nucleotide binding GTP binding nucleotide binding guanyl ribonucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding	ribose phosphate metabolic process nucleotide biosynthetic process pyrimidine ribonucleotide salvage carbohydrate derivative metabolic process pyrimidine nucleotide metabolic process pyrimidine-containing compound salvage nucleobase-containing compound metabolic process pyrimidine nucleotide salvage nucleotide salvage metabolic compound salvage ribonucleotide biosynthetic process UMP salvage UMP biosynthetic process ribonucleotide metabolic process nucleobase-containing small molecule metabolic process ribose phosphate metabolic process nucleotide biosynthetic process pyrimidine ribonucleotide salvage carbohydrate derivative metabolic process pyrimidine nucleotide metabolic process pyrimidine-containing compound salvage nucleobase-containing compound metabolic process pyrimidine nucleotide salvage nucleotide salvage metabolic compound salvage ribonucleotide biosynthetic process UMP salvage UMP biosynthetic process ribonucleotide metabolic process nucleobase-containing small molecule metabolic process phosphate-containing compound metabolic process UMP metabolic process small molecule metabolic process pyrimidine-containing compound biosynthetic process phosphorus metabolic process nucleoside monophosphate metabolic process ribose phosphate biosynthetic process pyrimidine ribonucleotide metabolic process nucleoside phosphate metabolic process carbohydrate derivative biosynthetic process pyrimidine nucleoside monophosphate metabolic process pyrimidine ribonucleoside monophosphate metabolic process pyrimidine-containing compound metabolic process primary metabolic process nucleobase-containing compound biosynthetic process nucleotide metabolic process nucleoside monophosphate biosynthetic process biosynthetic process pyrimidine ribonucleoside monophosphate biosynthetic process organophosphate metabolic process organophosphate biosynthetic process nucleoside phosphate biosynthetic process metabolic process cellular process pyrimidine nucleoside monophosphate biosynthetic process ribonucleoside monophosphate biosynthetic process pyrimidine nucleotide biosynthetic process pyrimidine ribonucleotide biosynthetic process	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A [auth D], B [auth C], C [auth B], D [auth A]	IPR000836	Phosphoribosyltransferase domain	Domain
A [auth D], B [auth C], C [auth B], D [auth A]	IPR029057	Phosphoribosyltransferase-like	Homologous Superfamily

Structure Motif Annotation: Mechanism and Catalytic Site Atlas M-CSA Database Homepage

Chains	Enzyme Name	Description	Catalytic Residues
A [auth D]	uracil phosphoribosyltransferase M-CSA #420	Catalyses the conversion of uracil and 5-phospho-alpha-D-ribose 1-diphosphate (PRPP) to UMP and diphosphate.	Defined by 4 residues: ARG:A-136 [auth D-137]THR:A-140 [auth D-141]ASP:A-234 [auth D-235]ASP:A-237 [auth D-238] \| Explore in 3D: M-CSA Motif Definition Search M-CSA Motif EC: 2.4.2.9 (PDB Primary Data) Search M-CSA Motif + EC 2.4.2.9

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.