Arabinose isomerase
In enzymology, an arabinose isomerase (EC 5.3.1.3) is an enzyme that catalyzes the chemical reaction
- D-arabinose D-ribulose
| arabinose isomerase | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Identifiers | |||||||||
| EC number | 5.3.1.3 | ||||||||
| CAS number | 9023-81-8 | ||||||||
| Databases | |||||||||
| IntEnz | IntEnz view | ||||||||
| BRENDA | BRENDA entry | ||||||||
| ExPASy | NiceZyme view | ||||||||
| KEGG | KEGG entry | ||||||||
| MetaCyc | metabolic pathway | ||||||||
| PRIAM | profile | ||||||||
| PDB structures | RCSB PDB PDBe PDBsum | ||||||||
| Gene Ontology | AmiGO / QuickGO | ||||||||
| |||||||||
Hence, this enzyme has one substrate, D-arabinose, and one product, D-ribulose.
This enzyme belongs to the family of isomerases, specifically those intramolecular oxidoreductases interconverting aldoses and ketoses. The systematic name of this enzyme class is D-arabinose aldose-ketose-isomerase. Other names in common use include D-arabinose(L-fucose) isomerase, D-arabinose isomerase, L-fucose isomerase, and D-arabinose ketol-isomerase.
Structural studies
As of late 2007, only one structure has been solved for this class of enzymes, with the PDB accession code 1FUI.
References
- Cohen SS (1953). "Studies on D-ribulose and its enzymatic conversion to D-arabinose". J. Biol. Chem. 201 (1): 71–84. PMID 13044776.
- Green M, Cohen SS (1956). "Enzymatic conversion of L-fucose to L-fuculose". J. Biol. Chem. 219 (2): 557–568. PMID 13319278.
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