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EC 2.7.11.31 Details
EC number
2.7.11.31
Accepted name
[hydroxymethylglutaryl-CoA reductase (NADPH)] kinase
Reaction
ATP + [hydroxymethylglutaryl-CoA reductase (NADPH)] = ADP + [hydroxymethylglutaryl-CoA reductase (NADPH)] phosphate
Other name(s)
AMPK, AMP-activated protein kinase, HMG-CoA reductase kinase, β-hydroxy-β-methylglutaryl-CoA reductase kinase, [hydroxymethylglutaryl-CoA reductase (NADPH2)] kinase, 3-hydroxy-3-methylglutaryl coenzyme A reductase kinase, 3-hydroxy-3-methylglutaryl-CoA reductase kinase, hydroxymethylglutaryl coenzyme A reductase kinase, hydroxymethylglutaryl coenzyme A reductase kinase (phosphorylating), hydroxymethylglutaryl-CoA reductase kinase, reductase kinase, STK29
Systematic name
ATP:[hydroxymethylglutaryl-CoA reductase (NADPH)] phosphotransferase
CAS registry number
172522-01-9
Comment
The enzyme is activated by AMP. EC 1.1.1.34, hydroxymethylglutaryl-CoA reductase (NADPH) is inactivated by the phosphorylation of the enzyme protein. Histones can also act as acceptors. The enzyme can also phosphorylate hepatic acetyl-CoA carboxylase (EC 6.4.1.2) and adipose hormone-sensitive lipase (EC 3.1.1.79) [5]. Thr-172 within the catalytic subunit (α-subunit) is the major site phosphorylated by the AMP-activated protein kinase kinase [7]. GTP can act instead of ATP [4]
History
created 1984 as EC 2.7.1.109, transferred 2005 to EC 2.7.11.31
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EC Tree
1 Oxidoreductases
1.1 Acting on the CH-OH group of donors
1.2 Acting on the aldehyde or oxo group of donors
1.3 Acting on the CH-CH group of donors
1.4 Acting on the CH-NH2 group of donors
1.5 Acting on the CH-NH group of donors
1.6 Acting on NADH or NADPH
1.7 Acting on other nitrogenous compounds as donors
1.8 Acting on a sulfur group of donors
1.9 Acting on a heme group of donors
1.10 Acting on diphenols and related substances as donors
1.11 Acting on a peroxide as acceptor
1.11.1 Peroxidases
1.11.2 Peroxygenases
1.12 Acting on hydrogen as donor
1.13 Acting on single donors with incorporation of molecular oxygen (oxygenases)
1.14 Acting on paired donors, with incorporation or reduction of molecular oxygen
1.15 Acting on superoxide as acceptor
1.16 Oxidizing metal ions
1.16.1 With NAD+ or NADP+ as acceptor
1.16.3 With oxygen as acceptor
1.16.5 With a quinone or similar compound as acceptor
1.16.8 With a flavin as acceptor
1.16.9 With a copper protein as acceptor
1.16.98 With other, known, physiological acceptors
1.16.99 With unknown physiological acceptors
1.17 Acting on CH or CH2 groups
1.18 Acting on iron-sulfur proteins as donors
1.19 Acting on reduced flavodoxin as donor
1.20 Acting on phosphorus or arsenic in donors
1.21 Catalysing the reaction X-H + Y-H = X-Y
1.22 Acting on halogen in donors
1.22.1 With NAD+ or NADP+ as acceptor
1.23 Reducing C-O-C group as acceptor
1.97 Other oxidoreductases
1.98 Enzymes using H2 as reductant (deleted subclass)
1.99 Other enzymes using O2 as oxidant (deleted subclass)
2 Transferases
2.1 Transferring one-carbon groups
2.2 Transferring aldehyde or ketonic groups
2.3 Acyltransferases
2.4 Glycosyltransferases
2.5 Transferring alkyl or aryl groups, other than methyl groups
2.6 Transferring nitrogenous groups
2.7 Transferring phosphorus-containing groups
2.7.1 Phosphotransferases with an alcohol group as acceptor
2.7.2 Phosphotransferases with a carboxy group as acceptor
2.7.3 Phosphotransferases with a nitrogenous group as acceptor
2.7.4 Phosphotransferases with a phosphate group as acceptor
2.7.5 Phosphotransferases with regeneration of donors, apparently catalysing intramolecular transfers (deleted sub-subclass)
2.7.6 Diphosphotransferases
2.7.7 Nucleotidyltransferases
2.7.8 Transferases for other substituted phosphate groups
2.7.9 Phosphotransferases with paired acceptors
2.7.10 Protein-tyrosine kinases
2.7.11 Protein-serine/threonine kinases
2.7.11.1 non-specific serine/threonine protein kinase
2.7.11.2 [pyruvate dehydrogenase (acetyl-transferring)] kinase
2.7.11.3 dephospho-[reductase kinase] kinase
2.7.11.4 [3-methyl-2-oxobutanoate dehydrogenase (acetyl-transferring)] kinase
2.7.11.5 [isocitrate dehydrogenase (NADP+)] kinase
2.7.11.6 [tyrosine 3-monooxygenase] kinase
2.7.11.7 myosin-heavy-chain kinase
2.7.11.8 Fas-activated serine/threonine kinase
2.7.11.9 Goodpasture-antigen-binding protein kinase
2.7.11.10 IκB kinase
2.7.11.11 cAMP-dependent protein kinase
2.7.11.12 cGMP-dependent protein kinase
2.7.11.13 protein kinase C
2.7.11.14 rhodopsin kinase
2.7.11.15 β-adrenergic-receptor kinase
2.7.11.16 G-protein-coupled receptor kinase
2.7.11.17 Ca2+/calmodulin-dependent protein kinase
2.7.11.18 myosin-light-chain kinase
2.7.11.19 phosphorylase kinase
2.7.11.20 elongation factor 2 kinase
2.7.11.21 polo kinase
2.7.11.22 cyclin-dependent kinase
2.7.11.23 [RNA-polymerase]-subunit kinase
2.7.11.24 mitogen-activated protein kinase
2.7.11.25 mitogen-activated protein kinase kinase kinase
2.7.11.26 tau-protein kinase
2.7.11.27 [acetyl-CoA carboxylase] kinase
2.7.11.28 tropomyosin kinase
2.7.11.29 low-density-lipoprotein receptor kinase
2.7.11.30 receptor protein serine/threonine kinase
2.7.11.31 [hydroxymethylglutaryl-CoA reductase (NADPH)] kinase
2.7.11.32 [pyruvate, phosphate dikinase] kinase
2.7.11.33 [pyruvate, water dikinase] kinase
2.7.11.34 NEK6-subfamily protein kinase
2.7.12 Dual-specificity kinases (those acting on Ser/Thr and Tyr residues)
2.7.13 Protein-histidine kinases
2.7.14 Protein-arginine kinases
2.7.99 Other protein kinases
2.8 Transferring sulfur-containing groups
2.9 Transferring selenium-containing groups
2.10 Transferring molybdenum- or tungsten-containing groups
3 Hydrolases
4 Lyases
5 Isomerases
6 Ligases
7 Translocases