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EC 2.7.11.4 Details
EC number
2.7.11.4
Accepted name
[3-methyl-2-oxobutanoate dehydrogenase (acetyl-transferring)] kinase
Reaction
ATP + [3-methyl-2-oxobutanoate dehydrogenase (acetyl-transferring)] = ADP + [3-methyl-2-oxobutanoate dehydrogenase (acetyl-transferring)] phosphate
Other name(s)
BCK,
BCKD kinase,
BCODH kinase,
branched-chain α-ketoacid dehydrogenase kinase,
branched-chain 2-oxo acid dehydrogenase kinase,
branched-chain keto acid dehydrogenase kinase,
branched-chain oxo acid dehydrogenase kinase (phosphorylating),
STK2
Systematic name
ATP:[3-methyl-2-oxobutanoate dehydrogenase (acetyl-transferring)] phosphotransferase
CAS registry number
82391-38-6
Comment
The enzyme has no activating compound but is specific for its substrate. It is a mitochondrial enzyme associated with the branched-chain 2-oxoacid dehydrogenase complex. Phosphorylation inactivates EC 1.2.4.4, 3-methyl-2-oxobutanoate dehydrogenase (2-methylpropanoyl-transferring).
History
created 1986 as EC 2.7.1.115, transferred 2005 to EC 2.7.11.4
EC Tree
2.7.7.16 created 1961, deleted 1972, [transferred to EC 3.1.4.22, deleted 1980]
2.7.7.17 created 1965, deleted 1972, [transferred to EC 3.1.4.23, deleted 1980]
2.7.7.20 created 1965, deleted 1972
2.7.7.26 created 1961 as EC 3.1.4.8, transferred 1965 to EC 2.7.7.26, deleted 1972
2.7.7.29 created 1972, deleted 2004