6FXS | pdb_00006fxs

Structure of Trypanosoma brucei type B ribose 5-phosphate isomerase

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Protein Modification Annotation

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
B	d6fxsb_	Alpha and beta proteins (a/b)	Ribose/Galactose isomerase RpiB/AlsB	Ribose/Galactose isomerase RpiB/AlsB	automated matches	automated matches	(Trypanosoma brucei brucei TREU927 ) [TaxId: 185431 ],	SCOPe (2.08)
A	d6fxsa_	Alpha and beta proteins (a/b)	Ribose/Galactose isomerase RpiB/AlsB	Ribose/Galactose isomerase RpiB/AlsB	automated matches	automated matches	(Trypanosoma brucei brucei TREU927 ) [TaxId: 185431 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2 Family	Ribose/Galactose isomerase RpiB/AlsB	8095474	4000476	SCOP2 (2022-06-29)
B	SCOP2 Superfamily	Ribose/Galactose isomerase RpiB/AlsB	8095475	3000383	SCOP2 (2022-06-29)
A	SCOP2B Superfamily	Ribose/Galactose isomerase RpiB/AlsB	8095475	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)
B	HH_signal	e6fxsB1	A: a/b three-layered sandwiches	X: P-loop domains-like	H: beta-helix of amnionless (AMN) extracellular domain	T: beta-helix of amnionless (AMN) extracellular domain	F: HH_signal	ECOD (v294.1)
A	tRNA-synt_1e	e6fxsA1	A: a/b three-layered sandwiches	X: P-loop domains-like	H: beta-helix of amnionless (AMN) extracellular domain	T: beta-helix of amnionless (AMN) extracellular domain	F: tRNA-synt_1e	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

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

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
B	PF02502	Ribose/Galactose Isomerase (LacAB_rpiB)	Ribose/Galactose Isomerase	-	Family
A	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
B	Ribose 5-phosphate isomerase, putative	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 cellular 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 carbohydrate metabolic process primary metabolic process metabolic process cellular 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 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 pentose-phosphate shunt, non-oxidative branch	membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure mitochondrion organelle cytoplasm intracellular membrane-bounded organelle peroxisome microbody glycosome
A	Ribose 5-phosphate isomerase, putative	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 cellular 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 carbohydrate metabolic process primary metabolic process metabolic process cellular 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 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 pentose-phosphate shunt, non-oxidative branch	membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure mitochondrion organelle cytoplasm intracellular membrane-bounded organelle peroxisome microbody glycosome

InterPro: Protein Family Classification InterPro Database Homepage

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

Protein Modification Annotation

Modified Residue(s)
Chain	Residue(s)	Description
A	CSD	Parent Component: CYS RESID: AA0262 PSI-MOD : L-cysteine sulfinic acid MOD:00267

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.