-5---DELTA-4-[3-](1.3.99.6)


3--5''--"DELTA"4-

EC 1.3.99.6  

3-OXO-5'BETA'-STEROID:(ACCEPTOR) "DELTA"('4)-OXIDOREDUCTASE (3-OXO-5'BETA'-STEROID "DELTA"('4)-DEHYDROGENASE )

( .CHOLAT ). : A 3-OXO-5'BETA'-STEROID + ACCEPTOR = A 3-OXO-"DELTA"('4)-STEROID + REDUCED ACCEPTOR (. EC 10.1.1.7 )

:

  • :
  • CH7DH+AH2=CH7DHB+A
  • CH7H4E+AH2=CH7H5B+A