ID 2.7.8.40 DE UDP-N-acetylgalactosamine-undecaprenyl-phosphate DE N-acetylgalactosaminephosphotransferase. CA di-trans,octa-cis-undecaprenyl phosphate + UDP-N-acetyl-alpha-D- CA galactosamine = N-acetyl-alpha-D-galactosaminyl-di-trans,octa- CA cis-undecaprenyl diphosphate + UMP. CC -!- The enzyme catalyzes a step in the assembly of the repeating-unit of CC the O-antigen of the Gram-negative bacterium Aeromonas hydrophila CC AH-3. CC -!- The enzyme shows no activity with UDP-N-acetyl-alpha-D-glucosamine CC (Cf. EC 2.7.8.33). DR O32274, TUAA_BACSU ; B3FN88, WECA_AERHY ; //