GO:0004052

arachidonate 12-lipoxygenase activity

Details: 
Catalysis of the reaction: arachidonate + O(2) = (5Z,8Z,10E,12S,14Z)-12-hydroperoxyicosa-5,8,10,14-tetraenoate. [EC:1.13.11.31, RHEA:10431]
Evidence Code: