3IOM | pdb_00003iom

Crystal structure of Purine Nucleoside Phosphorylase from Mycobacterium tuberculosis in complex with 2'-Deoxyguanosine

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	d3iomb_	Alpha and beta proteins (a/b)	Phosphorylase/hydrolase-like	Purine and uridine phosphorylases	Purine and uridine phosphorylases	automated matches	(Mycobacterium tuberculosis ) [TaxId: 1773 ],	SCOPe (2.08)
A	d3ioma_	Alpha and beta proteins (a/b)	Phosphorylase/hydrolase-like	Purine and uridine phosphorylases	Purine and uridine phosphorylases	automated matches	(Mycobacterium tuberculosis ) [TaxId: 1773 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2B Superfamily	Purine and uridine phosphorylases	8032547	3000626	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Purine and uridine phosphorylases	8032547	3000626	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	Gal-bind_lectin	e3iomB1	A: a/b three-layered sandwiches	X: Lipocalins/Streptavidin	H: Zn-dependent exopeptidases	T: Zn-dependent exopeptidases	F: Gal-bind_lectin	ECOD (v294.1)
A	Neur_chan_LBD	e3iomA1	A: a/b three-layered sandwiches	X: N-terminal beta-sandwich domain in anthrax protective antigen	H: Macro domain-like	T: Macro domain-like	F: Neur_chan_LBD	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
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	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	Purine nucleoside phosphorylase	pentosyltransferase activity glycosyltransferase activity purine-nucleoside phosphorylase activity transferase activity catalytic activity	catabolic process deoxyribonucleoside metabolic process purine nucleoside catabolic process carbohydrate derivative metabolic process purine deoxyribonucleoside catabolic process nucleobase-containing compound metabolic process deoxyguanosine catabolic process nucleobase-containing small molecule metabolic process purine deoxyribonucleoside metabolic process small molecule metabolic process carbohydrate derivative catabolic process primary metabolic process glycosyl compound catabolic process purine-containing compound catabolic process catabolic process deoxyribonucleoside metabolic process purine nucleoside catabolic process carbohydrate derivative metabolic process purine deoxyribonucleoside catabolic process nucleobase-containing compound metabolic process deoxyguanosine catabolic process nucleobase-containing small molecule metabolic process purine deoxyribonucleoside metabolic process small molecule metabolic process carbohydrate derivative catabolic process primary metabolic process glycosyl compound catabolic process purine-containing compound catabolic process nucleoside metabolic process nucleobase-containing compound catabolic process purine-containing compound metabolic process nucleobase-containing small molecule catabolic process nucleoside catabolic process deoxyribonucleoside catabolic process metabolic process cellular process small molecule catabolic process purine nucleoside metabolic process	cellular anatomical structure intracellular anatomical structure cytoplasm

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR035994	Nucleoside phosphorylase superfamily	Homologous Superfamily
A, B	IPR011268	Purine nucleoside phosphorylase	Family
A, B	IPR018099	Purine phosphorylase, family 2, conserved site	Conserved Site
A, B	IPR000845	Nucleoside phosphorylase domain	Domain
A, B	IPR011269	Putative purine nucleotide phosphorylase	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 R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.