Reaction: ATP + L(or D)-ribulose = ADP + L(or D)-ribulose 5-phosphate
For diagram of reaction click here.
Other name(s): ribulokinase (phosphorylating); L-ribulokinase
Systematic name: ATP:L(or D)-ribulose 5-phosphotransferase
Comments: Ribitol and L-arabinitol can also act as acceptors.
Links to other databases: BRENDA, EXPASY, KEGG, Metacyc, PDB, CAS registry number: 9030-57-3
References:
1. Burma, D.P. and Horecker, B.L. Pentose fermentation by Lactobacillus plantarum. III. Ribulokinase. J. Biol. Chem. 231 (1958) 1039-1051.
2. Lee, N. and Bendet, I. Crystalline L-ribulokinase from Escherichia coli. J. Biol. Chem. 242 (1967) 2043-2050. [PMID: 5336963]
3. Simpson, F.J., Wolin, M.J. and Wood, W.A. Degradation of L-arabinose by Aerobacter aerogenes. I. A pathway involving phosphorylated intermediates. J. Biol. Chem. 230 (1958) 457-472.