Annotations: 2F8M

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B		e2f8mB1	A: amino-terminal domain of OmpATb	X: amino-terminal domain of OmpATb	H: amino-terminal domain of OmpATb	T: Pkinase, ABC1	F:	ECOD (20:10:01)
A		e2f8mA1	A: amino-terminal domain of OmpATb	X: amino-terminal domain of OmpATb	H: amino-terminal domain of OmpATb	T: Pkinase, ABC1	F:	ECOD (20:10:01)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	3.40.50.1360	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold		CATH (4.3.0)
B	3.30.70.260	Alpha Beta	2-Layer Sandwich	Alpha-Beta Plaits	ACT domain	CATH (4.3.0)
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, B	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, B	ribose 5-phosphate isomerase	isomerase activity intramolecular oxidoreductase activity, interconverting aldoses and ketoses intramolecular oxidoreductase activity ribose-5-phosphate isomerase activity catalytic activity	carbohydrate derivative metabolic process glyceraldehyde-3-phosphate 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 pyridine-containing compound metabolic process small molecule metabolic process phosphorus metabolic process nucleoside phosphate metabolic process nicotinamide nucleotide metabolic process primary metabolic process carbohydrate derivative metabolic process glyceraldehyde-3-phosphate 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 pyridine-containing compound metabolic process small molecule metabolic process phosphorus metabolic process nucleoside phosphate metabolic process nicotinamide nucleotide metabolic process primary metabolic process generation of precursor metabolites and energy nucleotide metabolic process NADP+ metabolic process aldehyde metabolic process purine-containing compound metabolic process NADPH regeneration organophosphate metabolic process metabolic process cellular process pentose-phosphate shunt, non-oxidative branch	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR037171	NagB/RpiA transferase-like	Homologous Superfamily
A, B	IPR004788	Ribose 5-phosphate isomerase, type A	Family
A, B	IPR050262	Ribose 5-phosphate isomerase	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.