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EC 2.7.1.164 Details
EC number
2.7.1.164
Accepted name
O-phosphoseryl-tRNASec kinase
Reaction
ATP + L-seryl-tRNASec = ADP + O-phospho-L-seryl-tRNASec
Other name(s)
PSTK, phosphoseryl-tRNA[Ser]Sec kinase, phosphoseryl-tRNASec kinase
Systematic name
ATP:L-seryl-tRNASec O-phosphotransferase
CAS registry number
91273-83-5
Comment
In archaea and eukarya selenocysteine formation is achieved by a two-step process: O-phosphoseryl-tRNASec kinase (PSTK) phosphorylates the endogenous L-seryl-tRNASec to O-phospho-L-seryl-tRNASec, and then this misacylated amino acid-tRNA species is converted to L-selenocysteinyl-tRNASec by EC 2.9.1.2 (Sep-tRNA:Sec-tRNA synthase).
History
created 2009
EC Tree
2.7.1.9 created 1961, deleted 1965
2.7.1.57 created 1972, deleted 1984
2.7.1.70 created 1972, deleted 2004
2.7.1.75 created 1972, deleted 1976
2.7.1.96 created 1978, deleted 1978
2.7.1.97 created 1978, deleted 1992
2.7.1.98 created 1978, deleted 1984
2.7.1.111 created 1984, deleted 1992
2.7.1.133 created 1990, deleted 2002
2.7.1.139 created 1992, deleted 2002
2.7.1.152 created 2002, deleted 2003