Annotations: 6FXS

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)
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)
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)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Ribose/Galactose isomerase RpiB/AlsB	8095475	3000383	SCOP2B (2022-06-29)
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)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	tRNA-synt_1g	e6fxsA1	A: beta barrels	X: P-loop domains-like	H: beta-helix of amnionless (AMN) extracellular domain	T: beta-helix of amnionless (AMN) extracellular domain	F: tRNA-synt_1g	ECOD (v294.2)
B	HH_signal	e6fxsB1	A: beta barrels	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 (v294.2)

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 (utative)
B	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
A	PF02502	Ribose/Galactose Isomerase (LacAB_rpiB)	Ribose/Galactose Isomerase	-	Family
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	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
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

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
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
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

Protein Modification Annotation

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

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