3S5P

Crystal structure of ribose-5-phosphate isomerase B RpiB from Giardia lamblia

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

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d3s5pa1	Alpha and beta proteins (a/b)	Ribose/Galactose isomerase RpiB/AlsB	Ribose/Galactose isomerase RpiB/AlsB	automated matches	automated matches	(Giardia lamblia ATCC 50803 ) [TaxId: 184922 ],	SCOPe (2.08)
A	d3s5pa2	Artifacts	Tags	Tags	Tags	N-terminal Tags	(Giardia lamblia ATCC 50803 ) [TaxId: 184922 ],	SCOPe (2.08)
B	d3s5pb1	Alpha and beta proteins (a/b)	Ribose/Galactose isomerase RpiB/AlsB	Ribose/Galactose isomerase RpiB/AlsB	automated matches	automated matches	(Giardia lamblia ATCC 50803 ) [TaxId: 184922 ],	SCOPe (2.08)
B	d3s5pb2	Artifacts	Tags	Tags	Tags	N-terminal Tags	(Giardia lamblia ATCC 50803 ) [TaxId: 184922 ],	SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	LacAB_rpiB	e3s5pA1	A: a/b three-layered sandwiches	X: Ribose/Galactose isomerase RpiB/AlsB (From Topology)	H: Ribose/Galactose isomerase RpiB/AlsB (From Topology)	T: Ribose/Galactose isomerase RpiB/AlsB	F: LacAB_rpiB	ECOD (1.6)
B	LacAB_rpiB	e3s5pB2	A: a/b three-layered sandwiches	X: Ribose/Galactose isomerase RpiB/AlsB (From Topology)	H: Ribose/Galactose isomerase RpiB/AlsB (From Topology)	T: Ribose/Galactose isomerase RpiB/AlsB	F: LacAB_rpiB	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.40.1400.10	Alpha Beta	3-Layer(aba) Sandwich	Ribose 5-phosphate Isomerase B	Chain: A,	CATH (4.3.0)
B	3.40.1400.10	Alpha Beta	3-Layer(aba) Sandwich	Ribose 5-phosphate Isomerase B	Chain: A,	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF02502	Ribose/Galactose Isomerase (LacAB_rpiB)	Ribose/Galactose Isomerase	-	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 catalytic activity intramolecular oxidoreductase activity, interconverting aldoses and ketoses intramolecular oxidoreductase activity ribose-5-phosphate isomerase activity	carbohydrate metabolic process primary metabolic process metabolic process	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR036569	Sugar-phosphate isomerase, RpiB/LacA/LacB superfamily	Homologous Superfamily
A, B	IPR003500	Sugar-phosphate isomerase, RpiB/LacA/LacB family	Family
A, B	IPR004785	Ribose 5-phosphate isomerase B	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.