ID 2.4.1.41 DE polypeptide N-acetylgalactosaminyltransferase. AN protein-UDP acetylgalactosaminyltransferase. CA (1) L-seryl-[protein] + UDP-N-acetyl-alpha-D-galactosamine = 3-O- CA [N-acetyl-alpha-D-galactosaminyl]-L-seryl-[protein] + H(+) + UDP. CA (2) L-threonyl-[protein] + UDP-N-acetyl-alpha-D-galactosamine = 3-O- CA [N-acetyl-alpha-D-galactosaminyl]-L-threonyl-[protein] + H(+) + UDP. CC -!- The glycosyl residue is transferred to threonine or serine hydroxy CC groups on the polypeptide core of submaxillary mucin, kappa-casein, CC apofetuin and some other acceptors of high molecular mass. DR Q07537, GALT1_BOVIN; Q6WV20, GALT1_DROME; Q10472, GALT1_HUMAN; DR O08912, GALT1_MOUSE; Q29121, GALT1_PIG ; Q10473, GALT1_RAT ; DR Q6WV19, GALT2_DROME; Q10471, GALT2_HUMAN; Q6PB93, GALT2_MOUSE; DR P34678, GALT3_CAEEL; Q9Y117, GALT3_DROME; Q14435, GALT3_HUMAN; DR P70419, GALT3_MOUSE; H0ZAB5, GALT3_TAEGU; Q8I136, GALT4_CAEEL; DR Q8IA42, GALT4_DROME; Q8N4A0, GALT4_HUMAN; O08832, GALT4_MOUSE; DR Q95ZJ1, GALT5_CAEEL; Q6WV17, GALT5_DROME; Q7Z7M9, GALT5_HUMAN; DR Q8C102, GALT5_MOUSE; O88422, GALT5_RAT ; Q5EA41, GALT6_BOVIN; DR Q6WV16, GALT6_DROME; Q8NCL4, GALT6_HUMAN; Q8C7U7, GALT6_MOUSE; DR Q8MV48, GALT7_DROME; Q86SF2, GALT7_HUMAN; Q80VA0, GALT7_MOUSE; DR Q5RFJ6, GALT7_PONAB; Q9R0C5, GALT7_RAT ; Q9VUT6, GALT8_DROME; DR Q9NY28, GALT8_HUMAN; Q8MRC9, GALT9_DROME; Q9HCQ5, GALT9_HUMAN; DR Q9GM01, GALT9_MACFA; S5S833, GALT_BIOGL ; A8Y236, GLT10_CAEBR; DR O45947, GLT10_CAEEL; Q8IA43, GLT10_DROME; Q86SR1, GLT10_HUMAN; DR Q6P9S7, GLT10_MOUSE; Q925R7, GLT10_RAT ; Q7K755, GLT11_CAEEL; DR Q8NCW6, GLT11_HUMAN; Q921L8, GLT11_MOUSE; Q6P6V1, GLT11_RAT ; DR Q6DJR8, GLT11_XENTR; Q8IXK2, GLT12_HUMAN; Q8BGT9, GLT12_MOUSE; DR Q8MYY6, GLT13_DROME; Q8IUC8, GLT13_HUMAN; Q8CF93, GLT13_MOUSE; DR Q6UE39, GLT13_RAT ; Q96FL9, GLT14_HUMAN; Q8BVG5, GLT14_MOUSE; DR Q8N3T1, GLT15_HUMAN; Q9D2N8, GLT15_MOUSE; Q8N428, GLT16_HUMAN; DR Q9JJ61, GLT16_MOUSE; Q6IS24, GLT17_HUMAN; Q7TT15, GLT17_MOUSE; DR Q6P9A2, GLT18_HUMAN; Q8K1B9, GLT18_MOUSE; Q8MVS5, GLT35_DROME; DR Q49A17, GLTL6_HUMAN; //