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BRENDA support

Information on EC 2.1.1.262 - squalene methyltransferase

for references in articles please use BRENDA:EC2.1.1.262

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IUBMB Comments

Two isoforms differing in their specificity were isolated from the green alga Botryococcus braunii BOT22. TMT-1 gave more of the dimethylated form whereas TMT2 gave more of the monomethylated form.

The expected taxonomic range for this enzyme is: Botryococcus braunii
  • 2.1.1.262
  • arthrodesis
  • valgus
  • hallux
  • lapidus
  • screw
  • ascites
  • compression
  • comorbid
  • tarsometatarsal
  • anatomical
  • postoperative

Synonyms
tmt-1, tmt-2, more

REACTION
REACTION DIAGRAM
COMMENTARY hide
ORGANISM
UNIPROT
LITERATURE
2 S-adenosyl-L-methionine + squalene = 2 S-adenosyl-L-homocysteine + 3,22-dimethyl-1,2,23,24-tetradehydro-2,3,22,23-tetrahydrosqualene
show the reaction diagram
overall reaction
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S-adenosyl-L-methionine + 3-methyl-1,2-didehydro-2,3-dihydrosqualene = S-adenosyl-L-homocysteine + 3,22-dimethyl-1,2,23,24-tetradehydro-2,3,22,23-tetrahydrosqualene
show the reaction diagram
1b
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S-adenosyl-L-methionine + squalene = S-adenosyl-L-homocysteine + 3-methyl-1,2-didehydro-2,3-dihydrosqualene
show the reaction diagram
1a
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