4U8F

Crystal structure of 4-deoxy-L-threo-5-hexosulose-uronate ketol-isomerase complexed with a tartrate

External Resource: Annotation

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: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	Gbs1892 isomerase DhuI-like	8047535	4005682	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Ribose/Galactose isomerase RpiB/AlsB	8053338	3000383	SCOP2 (2022-06-29)
B	SCOP2B Superfamily	Ribose/Galactose isomerase RpiB/AlsB	8053338	3000383	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	LacAB_rpiB_1	e4u8fA1	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_1	ECOD (1.6)
B	LacAB_rpiB_1	e4u8fB1	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_1	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	PF12408	Ribose-5-phosphate isomerase (DUF3666)	Ribose-5-phosphate isomerase	-	Family
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	Putative uncharacterized protein gbs1892	isomerase activity intramolecular oxidoreductase activity, interconverting aldoses and ketoses intramolecular oxidoreductase activity catalytic activity	carbohydrate metabolic process organic substance metabolic process oligosaccharide metabolic process primary metabolic process metabolic process disaccharide metabolic process lactose metabolic process	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR022133	Ribose-5-phosphate isomerase, C-terminal	Domain
A, B	IPR036569	Sugar-phosphate isomerase, RpiB/LacA/LacB superfamily	Homologous Superfamily
A, B	IPR003500	Sugar-phosphate isomerase, RpiB/LacA/LacB family	Family

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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 R01GM133198.