UDP-N-acetylgalactosamine diphosphorylase

UDP-N-acetylgalactosamine diphosphorylase () is an enzyme with systematic name "UTP:N-acetyl-alpha-D-galactosamine-1-phosphate uridylyltransferase". This enzyme catalyses the following chemical reaction
The enzyme from plants and animals also acts on N-acetyl-alpha-D-glucosamine 1-phosphate.