HS2ST1 GI:197382758 heparan sulfate 2-O-sulfotransferase 1 isoform 2 1 mgllrimmpp klqllavvaf avamlflenq iqkleesrsk leraiarhev 50 51 reieqrhtmd gprqdatlde eedmviiynr vpktastsft niaydlcakn 100 101 kyhvlhintt knnpvmslqd qvrfvknits wkemkpgfyh ghvsyldfak 150 151 fgvkkkpiyi nvirdpierl vsyyyflrfg ddyrpglrrr kqgdkktfde 200 201 cvaeggsdca peklwlqipf fcghssecw