O-acyltransferase WSD (Diacylglycerol O-acyltransferase) (DGAT) (EC 2.3.1.20) (Long-chain-alcohol O-fatty-acyltransferase) (EC 2.3.1.75) (Wax ester synthase/acyl-CoA:diacylglycerol acyltransferase) (Wax synthase) (WS)