Accession NumberHMDB03840
Common_NamePhosphoroselenoic acid
DescriptionPhosphoroselenoic acid, H3SePO3, is the activated selenium donor compound required for the biosynthesis of selenocysteyl-tRNA, the precursor of specific selenocysteine residues in bacterial and mammalian selenoproteins. Selenocysteine is the 21st amino acid, because Sec has a specific tRNA and codon UGA, and shares a major stop codon UGA. A number of enzymes have selenocysteine, residues and in some cases at their active sites. Proteins containing the 21st amino acid, selenocysteine (Sec), have been described in all three domains of life. (PMID: 18156471)
Chemical_IUPAC_Nametrihydroxy-selanylidenephosphorane
Chemical FormulaH3O3PSe
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