DTDP-4-amino-4,6-dideoxy-D-galactose acyltransferase (, TDP-fucosamine acetyltransferase, WECD, RFFC) is an enzyme with systematic name acetyl-CoA:dTDP-4-amino-4,6-dideoxy-alpha-D-galactose N-acetyltransferase. This enzyme catalyses the following chemical reaction
TDP-4-acetamido-4,6-dideoxy-D-galactose takes part in the biosynthesis of enterobacterial common antigen.