The Enzyme Database

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Accepted name: arabinose-5-phosphate isomerase
Reaction: D-arabinose 5-phosphate = D-ribulose 5-phosphate
Other name(s): kdsD (gene name); gutQ (gene name); arabinose phosphate isomerase; phosphoarabinoisomerase; D-arabinose-5-phosphate ketol-isomerase
Systematic name: D-arabinose-5-phosphate aldose-ketose-isomerase
Comments: The enzyme is involved in the pathway for synthesis of 3-deoxy-D-manno-octulosonate (Kdo), a component of bacterial lipopolysaccharides and plant call walls.
Links to other databases: BRENDA, EXPASY, GTD, KEGG, MetaCyc, CAS registry number: 9023-86-3
1.  Volk, W.A. Purification and properties of phosphoarabinoisomerase from Propionibacterium pentosaceum. J. Biol. Chem. 235 (1960) 1550–1553.
2.  Lim, R. and Cohen, S.S. D-phosphoarabinoisomerase and D-ribulokinase in Escherichia coli. J. Biol. Chem. 241 (1966) 4304–4315. [PMID: 5332197]
3.  Meredith, T.C. and Woodard, R.W. Identification of GutQ from Escherichia coli as a D-arabinose 5-phosphate isomerase. J. Bacteriol. 187 (2005) 6936–6942. [PMID: 16199563]
4.  Gourlay, L.J., Sommaruga, S., Nardini, M., Sperandeo, P., Deho, G., Polissi, A. and Bolognesi, M. Probing the active site of the sugar isomerase domain from E. coli arabinose-5-phosphate isomerase via X-ray crystallography. Protein Sci. 19 (2010) 2430–2439. [PMID: 20954237]
5.  Chiu, H.J., Grant, J.C., Farr, C.L., Jaroszewski, L., Knuth, M.W., Miller, M.D., Elsliger, M.A., Deacon, A.M., Godzik, A., Lesley, S.A. and Wilson, I.A. Structural analysis of arabinose-5-phosphate isomerase from Bacteroides fragilis and functional implications. Acta Crystallogr. D Biol. Crystallogr. 70 (2014) 2640–2651. [PMID: 25286848]
[EC created 1965]

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