Function
Contributes to fatty acids elongation and stockage in developing seeds. Active on both saturated and mono-unsaturated acyl-CoAs of 16 and 18 carbons. Required for the elongation of C18 to C20 and of C20 to C22 fatty acids. Mediates also the synthesis of VLCFAs from 20 to 26 carbons in length (e.g. C20:1, C20, C22:1, C22, C24:1, C24, C26) (PubMed:15277688, PubMed:16765910, PubMed:7734965, PubMed:9263455, Ref.4, Ref.5, PubMed:12135493, PubMed:23145136). Has no activity with polyunsaturated C18:2 and C18:3 or with acyl-CoAs having 22 carbons or longer chain length (PubMed:12135493).
Sequence
MTSVNVKLLYRYVLTNFFNLCLFPLTAFLAGKASRLTINDLHNFLSYLQHNLITVTLLFAFTVFGLVLYIVTRPNPVYLVDYSCYLPPPHLKVSVSKVMDIFYQIRKADTSSRNVACDDPSSLDFLRKIQERSGLGDETYSPEGLIHVPPRKTFAASREETEKVIIGALENLFENTKVNPREIGILVVNSSMFNPTPSLSAMVVNTFKLRSNIKSFNLGGMGCSAGVIAIDLAKDLLHVHKNTYALVVSTENITQGIYAGENRSMMVSNCLFRVGGAAILLSNKSGDRRRSKYKLVHTVRTHTGADDKSFRCVQQEDDESGKIGVCLSKDITNVAGTTLTKNIATLGPLILPLSEKFLFFATFVAKKLLKDKIKHYYVPDFKLAVDHFCIHAGGRAVIDELEKNLGLSPIDVEASRSTLHRFGNTSSSSIWYELAYIEAKGRMKKGNKAWQIALGSGFKCNSAVWVALRNVKASANSPWQHCIDRYPVKIDSDLSKSKTHVQNGRS