Annotations: 3NBQ

Human uridine phosphorylase 1 (hUPP1) with 5-fluorouracil

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
D	d3nbqd_	Alpha and beta proteins (a/b)	Phosphorylase/hydrolase-like	Purine and uridine phosphorylases	automated matches	automated matches	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
C	d3nbqc_	Alpha and beta proteins (a/b)	Phosphorylase/hydrolase-like	Purine and uridine phosphorylases	automated matches	automated matches	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
B	d3nbqb_	Alpha and beta proteins (a/b)	Phosphorylase/hydrolase-like	Purine and uridine phosphorylases	automated matches	automated matches	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
A	d3nbqa_	Alpha and beta proteins (a/b)	Phosphorylase/hydrolase-like	Purine and uridine phosphorylases	automated matches	automated matches	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
D	Flavin containing amine oxidoreductase / NAD(P)-binding Rossmann-like domain	e3nbqD1	A: alpha arrays	X: Alpha-beta plaits	H: Phage tail protein-like	T: Transmembrane protein 14A	F: Flavin containing amine oxidoreductase / NAD(P)-binding Rossmann-like domain	ECOD (v295.2)
C	Flavin containing amine oxidoreductase / NAD(P)-binding Rossmann-like domain	e3nbqC1	A: alpha arrays	X: Alpha-beta plaits	H: Phage tail protein-like	T: Transmembrane protein 14A	F: Flavin containing amine oxidoreductase / NAD(P)-binding Rossmann-like domain	ECOD (v295.2)
B	Flavin containing amine oxidoreductase / NAD(P)-binding Rossmann-like domain	e3nbqB1	A: alpha arrays	X: Alpha-beta plaits	H: Phage tail protein-like	T: Transmembrane protein 14A	F: Flavin containing amine oxidoreductase / NAD(P)-binding Rossmann-like domain	ECOD (v295.2)
A	Flavin containing amine oxidoreductase / NAD(P)-binding Rossmann-like domain	e3nbqA1	A: alpha arrays	X: Alpha-beta plaits	H: Phage tail protein-like	T: Transmembrane protein 14A	F: Flavin containing amine oxidoreductase / NAD(P)-binding Rossmann-like domain	ECOD (v295.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
D	3.40.50.1580	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Nucleoside phosphorylase domain	CATH (4.3.0)
C	3.40.50.1580	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Nucleoside phosphorylase domain	CATH (4.3.0)
B	3.40.50.1580	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Nucleoside phosphorylase domain	CATH (4.3.0)
A	3.40.50.1580	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Nucleoside phosphorylase domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D	PF01048	Phosphorylase superfamily (PNP_UDP_1)	Phosphorylase superfamily	Members of this family include: purine nucleoside phosphorylase (PNP) Uridine phosphorylase (UdRPase) 5'-methylthioadenosine phosphorylase (MTA phosphorylase)	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	Uridine phosphorylase 1	deoxyuridine phosphorylase activity pentosyltransferase activity glycosyltransferase activity transferase activity catalytic activity pyrimidine-nucleoside phosphorylase activity thymidine phosphorylase activity uridine phosphorylase activity identical protein binding protein binding binding	pyrimidine ribonucleotide catabolic process ribose phosphate metabolic process ribonucleotide catabolic process pyrimidine ribonucleoside monophosphate catabolic process CMP catabolic process catabolic process pyrimidine-containing compound catabolic process organophosphate catabolic process carbohydrate derivative metabolic process nucleoside phosphate catabolic process pyrimidine nucleotide metabolic process nucleobase-containing compound metabolic process pyrimidine nucleotide catabolic process ribonucleotide metabolic process nucleobase-containing small molecule metabolic process pyrimidine ribonucleotide catabolic process ribose phosphate metabolic process ribonucleotide catabolic process pyrimidine ribonucleoside monophosphate catabolic process CMP catabolic process catabolic process pyrimidine-containing compound catabolic process organophosphate catabolic process carbohydrate derivative metabolic process nucleoside phosphate catabolic process pyrimidine nucleotide metabolic process nucleobase-containing compound metabolic process pyrimidine nucleotide catabolic process ribonucleotide metabolic process nucleobase-containing small molecule metabolic process small molecule metabolic process ribonucleoside monophosphate catabolic process phosphorus metabolic process nucleoside monophosphate metabolic process pyrimidine ribonucleotide metabolic process nucleotide catabolic process pyrimidine nucleoside monophosphate catabolic process nucleoside phosphate metabolic process pyrimidine nucleoside monophosphate metabolic process carbohydrate derivative catabolic process pyrimidine-containing compound metabolic process pyrimidine ribonucleoside monophosphate metabolic process nucleoside monophosphate catabolic process primary metabolic process nucleotide metabolic process nucleobase-containing compound catabolic process CMP metabolic process organophosphate metabolic process metabolic process cellular process pyrimidine deoxyribonucleotide catabolic process pyrimidine deoxyribonucleoside monophosphate catabolic process deoxyribonucleoside monophosphate catabolic process pyrimidine deoxyribonucleotide metabolic process deoxyribose phosphate catabolic process pyrimidine deoxyribonucleoside monophosphate metabolic process dUMP catabolic process 2'-deoxyribonucleotide metabolic process dUMP metabolic process dCMP catabolic process dCMP metabolic process dTMP catabolic process dTMP metabolic process cellular response to stimulus cellular response to nutrient levels response to nutrient levels response to stimulus cellular response to stress response to stress response to starvation cellular response to glucose starvation cellular response to starvation uridine metabolic process pyrimidine nucleoside metabolic process pyrimidine nucleoside catabolic process glycosyl compound catabolic process nucleoside metabolic process uridine catabolic process pyrimidine ribonucleoside metabolic process nucleobase-containing small molecule catabolic process nucleoside catabolic process pyrimidine ribonucleoside catabolic process small molecule catabolic process ribonucleoside catabolic process ribonucleoside metabolic process nucleotide biosynthetic process pyrimidine ribonucleotide salvage pyrimidine-containing compound salvage pyrimidine nucleotide salvage nucleotide salvage metabolic compound salvage ribonucleotide biosynthetic process UMP salvage UMP biosynthetic process UMP metabolic process pyrimidine-containing compound biosynthetic process ribose phosphate biosynthetic process carbohydrate derivative biosynthetic process nucleobase-containing compound biosynthetic process nucleoside monophosphate biosynthetic process biosynthetic process pyrimidine ribonucleoside monophosphate biosynthetic process organophosphate biosynthetic process nucleoside phosphate biosynthetic process pyrimidine nucleoside monophosphate biosynthetic process ribonucleoside monophosphate biosynthetic process pyrimidine nucleotide biosynthetic process pyrimidine ribonucleotide biosynthetic process UMP catabolic process	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol membrane-bounded organelle nucleus membrane-enclosed lumen intracellular membrane-bounded organelle intracellular organelle lumen intracellular organelle nucleoplasm organelle lumen organelle nuclear lumen

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR035994	Nucleoside phosphorylase superfamily	Homologous Superfamily
A, B, C, D	IPR010059	Uridine phosphorylase, eukaryotic	Family
A, B, C, D	IPR018016	Nucleoside phosphorylase, conserved site	Conserved Site
A, B, C, D	IPR000845	Nucleoside phosphorylase domain	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, B, C, D	: Q16831	allergic contact dermatitis Respiratory Hypersensitivity gastric carcinoma lung cancer malignant mesothelioma oligodendroglioma psoriasis cutaneous lupus erythematosus glioblastoma lung carcinoma MALT lymphoma osteosarcoma cystic fibrosis large cell medulloblastoma malignant ependymoma allergic contact dermatitis Respiratory Hypersensitivity gastric carcinoma lung cancer malignant mesothelioma oligodendroglioma psoriasis cutaneous lupus erythematosus glioblastoma lung carcinoma MALT lymphoma osteosarcoma cystic fibrosis large cell medulloblastoma malignant ependymoma medulloblastoma ovarian cancer tuberculosis

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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.