CMP-sialic acid transporter (CMP-SA-Tr) (CMP-Sia-Tr) (Solute carrier family 35 member A1)
1_MAAPR 6_ DNVTL 11_ LFKLY 16_ CLAVM 21_ TLMAA 26_ VYTIA 31_ LRYTR 36_ TSDKE 41_ LYFST 46_ TAVCI 51_ TEVIK 56_ LLLSV 61_ GILAK 66_ ETGSL 71_ GRFKA 76_ SLREN 81_ VLGSP 86_ KELLK 91_ LSVPS 96_ LVYAV 101_ QNNMA 106_ FLALS 111_ NLDAA 116_ VYQVT 121_ YQLKI 126_ PCTAL 131_ CTVLM 136_ LNRTL 141_ SKLQW 146_ VSVFM 151_ LCAGV 156_ TLVQW 161_ KPAQA 166_ TKVVV 171_ EQNPL 176_ LGFGA 181_ IAIAV 186_ LCSGF 191_ AGVYF 196_ EKVLK 201_ SSDTS 206_ LWVRN 211_ IQMYL 216_ SGIIV 221_ TLAGV 226_ YLSDG 231_ AEIKE 236_ KGFFY 241_ GYTYY 246_ VWFVI 251_ FLASV 256_ GGLYT 261_ SVVVK 266_ YTDNI 271_ MKGFS 276_ AAAAI 281_ VLSTI 286_ ASVML 291_ FGLQI 296_ TLTFA 301_ LGTLL 306_ VCVSI 311_ YLYGL 316_ PRQDT 321_ TSIQQ 326_ GETAS 331_KERVI
1: Transports CMP-sialic acid from the cytosol into the Golgi apparatus, functioning as an antiporter that exchanges CMP-sialic acid for CMP (PubMed:12682060, PubMed:15576474, PubMed:23873973). Binds both CMP-sialic acid and free CMP, but has higher affinity for free CMP (By similarity). Also able to exchange CMP-sialic acid for AMP and UMP (PubMed:12682060). Also mediates the transport of CDP-ribitol (By similarity)