O-phosphoseryl-tRNASec kinase
Template:Infobox enzyme O-phosphoseryl-tRNASec kinase (Template:EC number, PSTK, phosphoseryl-tRNA[Ser]Sec kinase, phosphoseryl-tRNASec kinase) is an enzyme with systematic name ATP:L-seryl-tRNASec O-phosphotransferase.[1][2][3] This enzyme catalyses the following chemical reaction
- ATP + L-seryl-tRNASec ADP + O-phospho-L-seryl-tRNASec
In archaea and eukarya selenocysteine formation is achieved by a two-step process.