Protein
Phospholipid:diacylglycerol acyltransferase
Organism
Schizosaccharomyces pombe (strain 972 / ATCC 24843)
Function
Triacylglycerol formation by an acyl-CoA independent pathway. The enzyme specifically transfers acyl groups from the sn-2 position of a phospholipid to diacylglycerol, thus forming an sn-1-lysophospholipid. Plays a major role in triacylglycerol formation at log phase. Cells defective in triacylglycerol synthesis undergo apoptosis upon entry into the stationary phase. Generation of reactive oxygen species (ROS) is essential to lipoapoptosis.
Similarity
Belongs to the AB hydrolase superfamily. Lipase family.
Sequence
MASSKKSKTHKKKKEVKSPIDLPNSKKPTRALSEQPSASETQSVSNKSRKSKFGKRLNFILGAILGICGAFFFAVGDDNAVFDPATLDKFGNMLGSSDLFDDIKGYLSYNVFKDAPFTTDKPSQSPSGNEVQVGLDMYNEGYRSDHPVIMVPGVISSGLESWSFNNCSIPYFRKRLWGSWSMLKAMFLDKQCWLEHLMLDKKTGLDPKGIKLRAAQGFEAADFFITGYWIWSKVIENLAAIGYEPNNMLSASYDWRLSYANLEERDKYFSKLKMFIEYSNIVHKKKVVLISHSMGSQVTYYFFKWVEAEGYGNGGPTWVNDHIEAFINISGSLIGAPKTVAALLSGEMKDTAQLNQFSVYGLEKFFSRSERAMMVRTMGGVSSMLPKGGDVVWGNASWAPDDLNQTNFSNGAIIRYREDIDKDHDEFDIDDALQFLKNVTDDDFKVMLAKNYSHGLAWTEKEVLKNNEMPSKWINPLETSLPYAPDMKIYCVHGVGKPTERGYYYTNNPEGQPVIDSSVNDGTKVENGIVMDDGDGTLPILALGLVCNKVWQTKRFNPANTSITNYEIKHEPAAFDLRGGPRSAEHVDILGHSELNEIILKVSSGHGDSVPNRYISDIQEIINEINLDKPRN