Annotations: 7EYK

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	RmlC-like cupins	8106549	3001825	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	I-set	e7eykA1	A: a/b three-layered sandwiches	X: RNase A-like	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: I-set	ECOD (v294.1)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF06865	Pyrimidine/purine nucleoside phosphorylase (Ppnp)	Pyrimidine/purine nucleoside phosphorylase	This family consist of YaiE and related proteins. YaiE from E. coli catalyses phosphorolysis of diverse nucleosides, yielding D-ribose 1-phosphate and free bases [1].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Pyrimidine/purine nucleoside phosphorylase	guanosine phosphorylase activity pentosyltransferase activity glycosyltransferase activity purine-nucleoside phosphorylase activity transferase activity catalytic activity identical protein binding protein binding binding protein homodimerization activity protein dimerization activity thymidine phosphorylase activity pyrimidine-nucleoside phosphorylase activity uridine phosphorylase activity	-	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR009664	Pyrimidine/purine nucleoside phosphorylase	Family
A	IPR011051	RmlC-like cupin domain superfamily	Homologous Superfamily
A	IPR014710	RmlC-like jelly roll fold	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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.