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Substance Name: Formyl-methenyl-methylenetetrahydrofolate synthetase
RN: 73699-18-0


  • Trifunctional enzyme which contains EC, formyltetrahydrofolate synthetase, plus EC, methenyltetrahydrofolate cyclohydrolase, and EC, methylenetetrahydrofolate dehydrogenase as a complex in sheep liver.
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Names and Synonyms

Name of Substance

  • Formyl-methenyl-methylenetetrahydrofolate synthetase


  • C-1-Tetrahydrofolate synthetase
  • C1-Tetrahydrofolate synthase
  • C1-Thf synthase
  • Formyl-methenyl-methylenetetrahydrofolate synthetase (combined)
  • Nadp-dependent methylenetetrahydrofolate dehydrogenase-cyclohydrolase-synthetase

Systematic Name

  • Synthetase, formyl-methenyl-methylenetetrahydrofolate

Registry Numbers

CAS Registry Number

  • 73699-18-0

System Generated Number

  • 0073699180