ST6GALNAC3 GI:229892275 sialyltransferase 7C isoform 2 1 macilkrksv iavsfiaafl fllvvrlvne vnfplllncf gqpgtkwipf 50 51 sytyrrplrt hygyinvktq eplqldcdlc aivsnsgqmv gqkvgneidr 100 101 ssciwrmnna ptkgyeedvg rmtmirvvsh tsvplllknp dyffkeantt 150 151 iyviwgpfrn mrkdgngivy nmlkktvgiy pnaqiyvtte krmsycdgvf 200 201 kketgkdste