Carbohydrate sulfotransferase 11 (EC 2.8.2.5) (Chondroitin 4-O-sulfotransferase 1) (Chondroitin 4-sulfotransferase 1) (C4S-1) (C4ST-1) (C4ST1)
1_MKPAL 6_ LEVMR 11_ MNRIC 16_ RMVLA 21_ TCLGS 26_ FILVI 31_ FYFQS 36_ MLHPV 41_ MRRNP 46_ FGVDI 51_ CCRKG 56_ SRSPL 61_ QELYN 66_ PIQLE 71_ LSNTA 76_ VLHQM 81_ RRDQV 86_ TDTCR 91_ ANSAT 96_ SRKRR 101_ VLTPN 106_ DLKHL 111_ VVDED 116_ HELIY 121_ CYVPK 126_ VACTN 131_ WKRLM 136_ MVLTG 141_ RGKYS 146_ DPMEI 151_ PANEA 156_ HVSAN 161_ LKTLN 166_ QYSIP 171_ EINHR 176_ LKSYM 181_ KFLFV 186_ REPFE 191_ RLVSA 196_ YRNKF 201_ TQKYN 206_ ISFHK 211_ RYGTK 216_ IIKRQ 221_ RKNAT 226_ QEALR 231_ KGDDV 236_ KFEEF 241_ VAYLI 246_ DPHTQ 251_ REEPF 256_ NEHWQ 261_ TVYSL 266_ CHPCH 271_ IHYDL 276_ VGKYE 281_ TLEED 286_ SNYVL 291_ QLAGV 296_ GSYLK 301_ FPTYA 306_ KSTRT 311_ TDEMT 316_ TEFFQ 321_ NISSE 326_ HQTQL 331_ YEVYK 336_ LDFLM 341_ FNYSV 346_PSYLK
1: Catalyzes the transfer of sulfate to position 4 of the N-acetylgalactosamine (GalNAc) residue of chondroitin. Chondroitin sulfate constitutes the predominant proteoglycan present in cartilage and is distributed on the surfaces of many cells and extracellular matrices. Can also sulfate Gal residues in desulfated dermatan sulfate. Preferentially sulfates in GlcA->GalNAc unit than in IdoA->GalNAc unit. Does not form 4, 6-di-O-sulfated GalNAc when chondroitin sulfate C is used as an acceptor