2Q8N

Crystal structure of Glucose-6-phosphate isomerase (EC 5.3.1.9) (TM1385) from Thermotoga maritima at 1.82 A resolution

External Resource: Annotation

Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	PF00342	e2q8nA8	A: a/b three-layered sandwiches	X: Flavodoxin-like	H: Ribosomal protein S2/SIS domain (From Topology)	T: Ribosomal protein S2/SIS domain	F: PF00342	ECOD (1.6)
B	PF00342	e2q8nB6	A: a/b three-layered sandwiches	X: Flavodoxin-like	H: Ribosomal protein S2/SIS domain (From Topology)	T: Ribosomal protein S2/SIS domain	F: PF00342	ECOD (1.6)
C	PF00342	e2q8nC8	A: a/b three-layered sandwiches	X: Flavodoxin-like	H: Ribosomal protein S2/SIS domain (From Topology)	T: Ribosomal protein S2/SIS domain	F: PF00342	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.40.50.10490	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Glucose-6-phosphate isomerase like protein	CATH (4.3.0)
B	3.40.50.10490	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Glucose-6-phosphate isomerase like protein	CATH (4.3.0)
C	3.40.50.10490	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Glucose-6-phosphate isomerase like protein	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C	PF00342	Phosphoglucose isomerase (PGI)	Phosphoglucose isomerase	Phosphoglucose isomerase catalyses the interconversion of glucose-6-phosphate and fructose-6-phosphate.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C	Glucose-6-phosphate isomerase	isomerase activity intramolecular oxidoreductase activity, interconverting aldoses and ketoses intramolecular oxidoreductase activity glucose-6-phosphate isomerase activity catalytic activity binding carbohydrate derivative binding monosaccharide binding carbohydrate binding small molecule binding	organophosphate metabolic process cellular metabolic process phosphate-containing compound metabolic process carbohydrate derivative metabolic process metabolic process cellular process glucose 6-phosphate metabolic process phosphorus metabolic process ribonucleotide catabolic process pyridine nucleotide catabolic process oxoacid metabolic process carbohydrate catabolic process organophosphate catabolic process nucleoside phosphate catabolic process organophosphate metabolic process cellular metabolic process phosphate-containing compound metabolic process carbohydrate derivative metabolic process metabolic process cellular process glucose 6-phosphate metabolic process phosphorus metabolic process ribonucleotide catabolic process pyridine nucleotide catabolic process oxoacid metabolic process carbohydrate catabolic process organophosphate catabolic process nucleoside phosphate catabolic process organic acid metabolic process nucleobase-containing compound metabolic process glycolytic process pyridine-containing compound metabolic process small molecule metabolic process purine ribonucleotide catabolic process pyridine nucleotide metabolic process nucleoside phosphate metabolic process organonitrogen compound catabolic process nicotinamide nucleotide metabolic process pyruvate metabolic process purine nucleoside diphosphate metabolic process primary metabolic process purine-containing compound catabolic process nucleotide metabolic process nucleobase-containing compound catabolic process nucleoside diphosphate metabolic process purine nucleoside diphosphate catabolic process nucleoside diphosphate catabolic process nucleoside triphosphate metabolic process monocarboxylic acid metabolic process purine ribonucleotide metabolic process pyridine-containing compound catabolic process ribose phosphate metabolic process catabolic process ATP metabolic process purine nucleotide metabolic process ribonucleotide metabolic process nucleobase-containing small molecule metabolic process purine ribonucleoside triphosphate metabolic process ribonucleoside diphosphate metabolic process ribonucleoside diphosphate catabolic process nucleotide catabolic process ribonucleoside triphosphate metabolic process purine nucleoside triphosphate metabolic process purine nucleotide catabolic process carbohydrate metabolic process carbohydrate derivative catabolic process organonitrogen compound metabolic process ADP catabolic process carboxylic acid metabolic process generation of precursor metabolites and energy purine-containing compound metabolic process ADP metabolic process purine ribonucleoside diphosphate metabolic process purine ribonucleoside diphosphate catabolic process monosaccharide metabolic process small molecule biosynthetic process carbohydrate biosynthetic process hexose metabolic process monosaccharide biosynthetic process gluconeogenesis hexose biosynthetic process biosynthetic process glucose metabolic process	intracellular anatomical structure cytoplasm cellular anatomical entity cytosol

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C	IPR046348	SIS domain superfamily	Homologous Superfamily
A, B, C	IPR001672	Phosphoglucose isomerase (PGI)	Family
A, B, C	IPR035476	Phosphoglucose isomerase, SIS domain 1	Domain
A, B, C	IPR018189	Phosphoglucose isomerase, conserved site	Conserved Site
A, B, C	IPR035482	Phosphoglucose isomerase, SIS domain 2	Domain

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 R01GM133198.