Phosphatidylserine synthase 1 (PSS-1) (PtdSer synthase 1) (EC 2.7.8.29) (Serine-exchange enzyme I)
1_MASCV 6_ GSRTL 11_ SKDDV 16_ NYKMH 21_ FRMIN 26_ EQQVE 31_ DITID 36_ FFYRP 41_ HTITL 46_ LSFTI 51_ VSLMY 56_ FAFTR 61_ DDSVP 66_ EDNIW 71_ RGILS 76_ VIFFF 81_ LIISV 86_ LAFPN 91_ GPFTR 96_ PHPAL 101_ WRMVF 106_ GLSVL 111_ YFLFL 116_ VFLLF 121_ LNFEQ 126_ VKSLM 131_ YWLDP 136_ NLRYA 141_ TREAD 146_ VMEYA 151_ VNCHV 156_ ITWER 161_ IISHF 166_ DIFAF 171_ GHFWG 176_ WAMKA 181_ LLIRS 186_ YGLCW 191_ TISIT 196_ WELTE 201_ LFFMH 206_ LLPNF 211_ AECWW 216_ DQVIL 221_ DILLC 226_ NGGGI 231_ WLGMV 236_ VCRFL 241_ EMRTY 246_ HWASF 251_ KDIHT 256_ TTGKI 261_ KRAVL 266_ QFTPA 271_ SWTYV 276_ RWFDP 281_ KSSFQ 286_ RVAGV 291_ YLFMI 296_ IWQLT 301_ ELNTF 306_ FLKHI 311_ FVFQA 316_ SHPLS 321_ WGRIL 326_ FIGGI 331_ TAPTV 336_ RQYYA 341_ YLTDT 346_ QCKRV 351_ GTQCW 356_ VFGVI 361_ GFLEA 366_ IVCIK 371_ FGQDL 376_ FSKTQ 381_ ILYVV 386_ LWLLC 391_ VAFTT 396_ FLCLY 401_ GMIWY 406_ AEHYG 411_ HREKT 416_ YSECE 421_ DGTYS 426_ PEISW 431_ HHRKG 436_ TKGSE 441_ DSPPK 446_ HAGNN 451_ ESHSS 456_ RRRNR 461_ HSKSK 466_VTNGV
1: Catalyzes a base-exchange reaction in which the polar head group of phosphatidylethanolamine (PE) or phosphatidylcholine (PC) is replaced by L-serine (PubMed:19014349, PubMed:24241535). Catalyzes mainly the conversion of phosphatidylcholine (PubMed:19014349, PubMed:24241535). Also converts, in vitro and to a lesser extent, phosphatidylethanolamine (PubMed:19014349, PubMed:24241535)