protein coding gene 1500011J21Rik 1500011J21Rik|GalNAc4ST-1 Chst8 genetic mapping Gene - GalNAc4ST-1 http://identifiers.org/mgd/MGI:1916197 O MGI:1916197 carbohydrate (N-acetylgalactosamine 4-0) sulfotransferase 8