O-phospho-L-seryl-tRNASec:L-selenocysteinyl-tRNA_synthase

O-phospho-L-seryl-tRNASec:L-selenocysteinyl-tRNA synthase

O-phospho-L-seryl-tRNASec:L-selenocysteinyl-tRNA synthase

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O-phospho-L-seryl-tRNASec:L-selenocysteinyl-tRNA synthase (EC 2.9.1.2, MMPSepSecS, SepSecS, SLA/LP, O-phosphoseryl-tRNA:selenocysteinyl-tRNA synthase, O-phospho-L-seryl-tRNA:L-selenocysteinyl-tRNA synthase) is an enzyme with systematic name selenophosphate:O-phospho-L-seryl-tRNASec selenium transferase.[1][2][3][4] This enzyme catalyses the following chemical reaction

O-phospho-L-seryl-tRNASec + selenophosphate ⇌ L-selenocysteinyl-tRNASec + phosphate
Quick Facts Identifiers, EC no. ...

This enzyme is pyridoxal-phosphate protein.

References

  1. [1]
    Palioura S, Sherrer RL, Steitz TA, Söll D, Simonovic M (July 2009). "The human SepSecS-tRNASec complex reveals the mechanism of selenocysteine formation". Science. 325 (5938): 321–5. Bibcode:2009Sci...325..321P. doi:10.1126/science.1173755. PMC 2857584. PMID 19608919.
  2. [2]
    Araiso Y, Palioura S, Ishitani R, Sherrer RL, O'Donoghue P, Yuan J, Oshikane H, Domae N, Defranco J, Söll D, Nureki O (March 2008). "Structural insights into RNA-dependent eukaryal and archaeal selenocysteine formation". Nucleic Acids Research. 36 (4): 1187–99. doi:10.1093/nar/gkm1122. PMC 2275076. PMID 18158303.
  3. [3]
    Aeby E, Palioura S, Pusnik M, Marazzi J, Lieberman A, Ullu E, Söll D, Schneider A (March 2009). "The canonical pathway for selenocysteine insertion is dispensable in Trypanosomes". Proceedings of the National Academy of Sciences of the United States of America. 106 (13): 5088–92. Bibcode:2009PNAS..106.5088A. doi:10.1073/pnas.0901575106. PMC 2664009. PMID 19279205.
  4. [4]
    Yuan J, Palioura S, Salazar JC, Su D, O'Donoghue P, Hohn MJ, Cardoso AM, Whitman WB, Söll D (December 2006). "RNA-dependent conversion of phosphoserine forms selenocysteine in eukaryotes and archaea". Proceedings of the National Academy of Sciences of the United States of America. 103 (50): 18923–7. Bibcode:2006PNAS..10318923Y. doi:10.1073/pnas.0609703104. PMC 1748153. PMID 17142313.
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