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1.1.1.34: hydroxymethylglutaryl-CoA reductase (NADPH)

This is an abbreviated version!
For detailed information about hydroxymethylglutaryl-CoA reductase (NADPH), go to the full flat file.

Word Map on EC 1.1.1.34

Reaction

(R)-mevalonate
+
CoA
+ 2 NADP+ =
(S)-3-hydroxy-3-methylglutaryl-CoA
+ 2 NADPH + 2 H+

Synonyms

3-hydroxy-3-methyl-glutaryl CoA reductase, 3-hydroxy-3-methylglutaryl Ccoenzyme A reductase 1, 3-hydroxy-3-methylglutaryl co-enzyme A reductase, 3-hydroxy-3-methylglutaryl CoA reductase, 3-hydroxy-3-methylglutaryl coenzyme A reductase, 3-hydroxy-3-methylglutaryl coenzyme A reductase 1, 3-hydroxy-3-methylglutaryl-CoA reductase, 3-hydroxy-3-methylglutaryl-CoA reductase (NADPH), 3-hydroxy-3-methylglutaryl-CoA reductase 1, 3-hydroxy-3-methylglutaryl-coenzyme A reductase, 3-hydroxy-3-methylglutaryl-coenzyme A reductase 5, 3-hydroxy-3-metylglutaryl coenzyme A reductase, 3-hydroxymethylglutaryl coenzyme A reductase, acetoacetyl-coenzyme A thiolase/3-hydroxy-3-methylglutaryl-coenzyme A reductase, beta-hydroxy-beta-methylglutaryl coenzyme A reductase, beta-hydroxy-beta-methylglutaryl-Co A reductase, EuHMGR, HMG CoA reductase, HMG-CoA reductase, HMG-CoA-R, HMG-CoAR, HMG1, HMG2, HMG2.2, Hmg2p, HMG3.3, HMGCoA reductase, HMGCoA reductase-mevalonate:NADP-oxidoreductase (acetylating CoA), HMGCoAR, HMGCR, HMGCR1, HMGR, HMGR1, HMGR1S, HMGR2, HMGR3, HMGR5, hydroxy-3-methylglutoryl-Coenzyme A reductase, hydroxymethylglutaryl CoA reductase (NADPH), hydroxymethylglutaryl-coenzyme A reductase (reduced nicotinamide adenine dinucleotide phosphate), mevalonate:NADP+ oxidoreductase (acetylating CoA), microsomal HMG-CoA reductase, NADPH-hydroxymethylglutaryl-CoA reductase, S-3-hydroxy-3-methylglutaryl-CoA reductase

ECTree

     1 Oxidoreductases
         1.1 Acting on the CH-OH group of donors
             1.1.1 With NAD+ or NADP+ as acceptor
                1.1.1.34 hydroxymethylglutaryl-CoA reductase (NADPH)

Activating Compound

Activating Compound on EC 1.1.1.34 - hydroxymethylglutaryl-CoA reductase (NADPH)

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ACTIVATING COMPOUND
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
dithiothreitol
-
2 mM
EDTA
-
increases the apparent HMGR activity in sweet potato extracts
myristic acid
-
stimulates translation of the enzyme about 1.8fold at 0.15 mM, upregulation
squalestatin
-
leads to a significant concentration-dependent activation of HMGR of ca. 3fold the activity in untreated plants. Maximal HMGR activation at 0.06 mM squalestatin. No relevant changes in the level of expression of the HMG genes or in the amount of HMGR protein
supernatant protein factor
-
i.e. SPF, a 46 kDa cytosolic protein, stimulation of squalene monooxygenase and cholesterol biosynthesis in hepatoma cell culture, acts directly on the enzyme, not by increasing the enzyme amount
-
terbinafine
-
leads to a significant concentration-dependent activation of HMGR of ca. 3fold the activity in untreated plants. Maximal HMGR activation at 0.75 mM terbinafine. No relevant changes in the level of expression of the HMG genes or in the amount of HMGR protein
additional information
-