L-seryl-tRNA(Sec) kinase (EC 2.7.1.164) (O-phosphoseryl-tRNA(Sec) kinase)
1_MKTAE 6_ NIRGT 11_ GSDGP 16_ RKRGL 21_ CVLCG 26_ LPAAG 31_ KSTFA 36_ RALAH 41_ RLQQE 46_ QGWAI 51_ GVVAY 56_ DDVMP 61_ DAFLA 66_ GARAR 71_ PAPSQ 76_ WKLLR 81_ QELLK 86_ YLEYF 91_ LMAVI 96_ NGCQM 101_ SVPPN 106_ RTEAM 111_ WEDFI 116_ TCLKD 121_ QDLIF 126_ SAAFE 131_ AQSCY 136_ LLTKT 141_ AVSRP 146_ LFLVL 151_ DDNFY 156_ YQSMR 161_ YEVYQ 166_ LARKY 171_ SLGFC 176_ QLFLD 181_ CPLET 186_ CLQRN 191_ GQRPQ 196_ ALPPE 201_ TIHLM 206_ GRKLE 211_ KPNPE 216_ KNAWE 221_ HNSLT 226_ IPSPA 231_ CASEA 236_ SLEVT 241_ DLLLT 246_ ALENP 251_ VKYAE 256_ DNMEQ 261_ KDTDR 266_ IICST 271_ NILHK 276_ TDQTL 281_ RRIVS 286_ QTMKE 291_ AKGNQ 296_ EAFSE 301_ MTFKQ 306_ RWVRA 311_ NHAAI 316_ WRIIL 321_ GNEHI 326_ KCRSA 331_ KVGWL 336_ QCCRI 341_EKRPL
1: Specifically phosphorylates seryl-tRNA(Sec) to O-phosphoseryl-tRNA(Sec), an activated intermediate for selenocysteine biosynthesis