Fatty acid desaturase 1 MHFQHHAKPN CFRKDPDINM HPFFFALGKI LSVELGKQKK KYMPYNHQHK YFFLIGPPAL LPLYFQWYIF YFVIQRKKWV DLAWMITFYV RFFLTYVPLL GLKAFLGLFF IVRFLESNWF VWVT