Chloroplast omega-3 fatty acid desaturase introduces the third double bond in the biosynthesis of 16:3 and 18:3 fatty acids, important constituents of plant membranes. It is thought to use ferredoxin as an electron donor and to act on fatty acids esterified to galactolipids, sulfolipids and phosphatidylglycerol.

Belongs to the fatty acid desaturase type 1 family.

453 amino acids

MATWYHQKCGLKPLAPVIPRPRTGAALSSTSRVEFLDTNKVVAGPKFQPLRCNLRERNWGLKVSAPLRVASIEEEQKSVDLTNGTNGVEHEKLPEFDPGAPPPFNLADIRAAIPKHCWVKDPWRSMSYVVRDVIAVFGLAAAAAYLNNWLVWPLYWAAQGTMFWALFVLGHDCGHGSFSNNSKLNSVVGHLLHSSILVPYHGWRISHRTHHQHHGHAENDESWHPLPEKLFRSLDTVTRMLRFTAPFPLLAFPVYLFSRSPGKTGSHFDPSSDLFVPNERKDVITSTACWAAMLGLLVGLGFVMGPIQLLKLYGVPYVIFVMWLDLVTYLHHHGHEDKLPWYRGKEWSYLRGGLTTLDRDYGWINNIHHDIGTHVIHHLFPQIPHYHLVEATEAAKPVFGKYYREPKKSAAPLPFHLIGEIIRSFKTDHFVSDTGDVVYYQTDSKINGSSKLE

51.4 kDa

(Note: Representative image - actual molecular weight may vary depending on tag type and expression method)

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