1XTZ

Crystal structure of the S. cerevisiae D-ribose-5-phosphate isomerase: comparison with the archeal and bacterial enzymes

External Resource: Annotation

Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Rib_5-P_isom_A_C	e1xtzA3	A: a+b two layers	X: Alpha-beta plaits	H: D-ribose-5-phosphate isomerase (RpiA), lid domain (From Topology)	T: D-ribose-5-phosphate isomerase (RpiA), lid domain	F: Rib_5-P_isom_A_C	ECOD (1.6)
A	Rib_5-P_isom_A_N	e1xtzA4	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: NagB/RpiA/CoA transferase-like	F: Rib_5-P_isom_A_N	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.40.50.1360	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold		CATH (4.3.0)
A	3.30.70.260	Alpha Beta	2-Layer Sandwich	Alpha-Beta Plaits	ACT domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF06026	Ribose 5-phosphate isomerase A (phosphoriboisomerase A) (Rib_5-P_isom_A)	Ribose 5-phosphate isomerase A (phosphoriboisomerase A)	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Ribose-5-phosphate isomerase	isomerase activity intramolecular oxidoreductase activity, interconverting aldoses and ketoses intramolecular oxidoreductase activity ribose-5-phosphate isomerase activity catalytic activity	monosaccharide metabolic process carbohydrate metabolic process small molecule metabolic process metabolic process primary metabolic process pentose metabolic process D-ribose metabolic process vitamin B6 biosynthetic process water-soluble vitamin biosynthetic process small molecule biosynthetic process cellular biosynthetic process organic hydroxy compound metabolic process cellular metabolic process pyridine-containing compound biosynthetic process monosaccharide metabolic process carbohydrate metabolic process small molecule metabolic process metabolic process primary metabolic process pentose metabolic process D-ribose metabolic process vitamin B6 biosynthetic process water-soluble vitamin biosynthetic process small molecule biosynthetic process cellular biosynthetic process organic hydroxy compound metabolic process cellular metabolic process pyridine-containing compound biosynthetic process vitamin biosynthetic process pyridoxine biosynthetic process vitamin metabolic process pyridoxine metabolic process biosynthetic process organic hydroxy compound biosynthetic process pyridine-containing compound metabolic process vitamin B6 metabolic process cellular process water-soluble vitamin metabolic process carbohydrate derivative metabolic process glucose 6-phosphate metabolic process nucleobase-containing compound metabolic process purine nucleotide metabolic process nucleobase-containing small molecule metabolic process pentose-phosphate shunt phosphate-containing compound metabolic process phosphorus metabolic process pyridine nucleotide metabolic process nucleoside phosphate metabolic process nicotinamide nucleotide metabolic process generation of precursor metabolites and energy nucleotide metabolic process purine-containing compound metabolic process NADP metabolic process NADPH regeneration organophosphate metabolic process glyceraldehyde-3-phosphate metabolic process cellular aldehyde metabolic process pentose-phosphate shunt, non-oxidative branch	intracellular anatomical structure cytoplasm cellular anatomical entity membrane-bounded organelle intracellular organelle organelle nucleus intracellular membrane-bounded organelle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR037171	NagB/RpiA transferase-like	Homologous Superfamily
A	IPR004788	Ribose 5-phosphate isomerase, type A	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.