1TC2

TERNARY SUBSTRATE COMPLEX OF THE HYPOXANTHINE PHOSPHORIBOSYLTRANSFERASE FROM TRYPANOSOMA CRUZI

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
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	d1tc2b_	Alpha and beta proteins (a/b)	PRTase-like	PRTase-like	Phosphoribosyltransferases (PRTases)	Hypoxanthine PRTase	(Trypanosoma cruzi ) [TaxId: 5693 ],	SCOPe (2.08)
A	d1tc2a_	Alpha and beta proteins (a/b)	PRTase-like	PRTase-like	Phosphoribosyltransferases (PRTases)	Hypoxanthine PRTase	(Trypanosoma cruzi ) [TaxId: 5693 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2B Superfamily	PRTase-like	8032235	3000060	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	PRTase-like	8032235	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	Pribosyltran	e1tc2B1	A: a/b three-layered sandwiches	X: PRTase-like (From Topology)	H: PRTase-like (From Topology)	T: PRTase-like	F: Pribosyltran	ECOD (1.6)
A	Pribosyltran	e1tc2A1	A: a/b three-layered sandwiches	X: PRTase-like (From Topology)	H: PRTase-like (From Topology)	T: PRTase-like	F: Pribosyltran	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	3.40.50.2020	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold		CATH (4.3.0)
A	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, B	PF00156	Phosphoribosyl transferase domain (Pribosyltran)	Phosphoribosyl transferase domain	This family includes a range of diverse phosphoribosyl transferase enzymes. This family includes: Adenine phosphoribosyl-transferase EC:2.4.2.7, Swiss:P07672. Hypoxanthine-guanine-xanthine phosphoribosyl-transferase Swiss:P51900. Hypoxanthine phosph ...	This family includes a range of diverse phosphoribosyl transferase enzymes. This family includes: Adenine phosphoribosyl-transferase EC:2.4.2.7, Swiss:P07672. Hypoxanthine-guanine-xanthine phosphoribosyl-transferase Swiss:P51900. Hypoxanthine phosphoribosyl-transferase EC:2.4.2.8 Swiss:P36766. Ribose-phosphate pyrophosphokinase i EC:2.7.6.1 Swiss:P09329. Amidophosphoribosyltransferase EC:2.4.2.14 Swiss:P00496. Orotate phosphoribosyl-transferase EC:2.4.2.10 Swiss:P11172. Uracil phosphoribosyl-transferase EC:2.4.2.9 Swiss:P25532. Xanthine-guanine phosphoribosyl-transferase EC:2.4.2.22 Swiss:P00501. In Arabidopsis, At the very N-terminus of this domain is the P-Loop NTPase domain [1].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	PROTEIN (HYPOXANTHINE PHOSPHORIBOSYLTRANSFERASE)	pentosyltransferase activity hypoxanthine phosphoribosyltransferase activity glycosyltransferase activity purine phosphoribosyltransferase activity transferase activity catalytic activity guanine phosphoribosyltransferase activity binding nucleoside phosphate binding organic cyclic compound binding nucleotide binding heterocyclic compound binding small molecule binding cation binding pentosyltransferase activity hypoxanthine phosphoribosyltransferase activity glycosyltransferase activity purine phosphoribosyltransferase activity transferase activity catalytic activity guanine phosphoribosyltransferase activity binding nucleoside phosphate binding organic cyclic compound binding nucleotide binding heterocyclic compound binding small molecule binding cation binding ion binding metal ion binding	IMP salvage ribose phosphate metabolic process IMP metabolic process purine ribonucleoside monophosphate biosynthetic process nucleotide biosynthetic process carbohydrate derivative metabolic process purine ribonucleotide biosynthetic process nucleobase-containing compound metabolic process nucleotide salvage ribonucleotide biosynthetic process purine nucleoside monophosphate biosynthetic process purine ribonucleoside monophosphate metabolic process purine nucleotide metabolic process ribonucleotide metabolic process ribonucleoside monophosphate metabolic process IMP salvage ribose phosphate metabolic process IMP metabolic process purine ribonucleoside monophosphate biosynthetic process nucleotide biosynthetic process carbohydrate derivative metabolic process purine ribonucleotide biosynthetic process nucleobase-containing compound metabolic process nucleotide salvage ribonucleotide biosynthetic process purine nucleoside monophosphate biosynthetic process purine ribonucleoside monophosphate metabolic process purine nucleotide 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 purine nucleotide salvage small molecule metabolic process phosphorus metabolic process ribose phosphate biosynthetic process cellular metabolic compound salvage nucleoside monophosphate metabolic process nucleoside phosphate metabolic process carbohydrate derivative biosynthetic process purine-containing compound salvage cellular metabolic process primary metabolic process nucleotide metabolic process nucleobase-containing compound biosynthetic process nucleoside monophosphate biosynthetic process purine-containing compound metabolic process IMP biosynthetic process biosynthetic process purine ribonucleotide salvage 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 glycosyl compound metabolic process nucleoside biosynthetic process purine ribonucleoside metabolic process glycosyl compound biosynthetic process small molecule biosynthetic process nucleoside salvage purine ribonucleoside biosynthetic process ribonucleoside biosynthetic process nucleoside metabolic process nucleobase-containing small molecule biosynthetic process purine ribonucleoside salvage purine nucleoside biosynthetic process purine nucleoside metabolic process ribonucleoside metabolic process	intracellular anatomical structure cytoplasm cellular anatomical entity

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR050408	Hypoxanthine-guanine phosphoribosyltransferase	Family
A, B	IPR005904	Hypoxanthine phosphoribosyl transferase	Family
A, B	IPR000836	Phosphoribosyltransferase domain	Domain
A, B	IPR029057	Phosphoribosyltransferase-like	Homologous Superfamily

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.