Accession NumberHMDB04119
Common_NameSelenohomocysteine
DescriptionSelenohomocysteine is the precursor of selenocysteine, which is synthesized by catalysis of cystathionine beta-synthase (EC 4.2.1.22) and cystathionine gamma-lyase (EC 4.4.1.1), in mammalian systems (both enzymes require pyridoxal phosphate). Selenohomocysteine (lactone) has been found to be a competitive and irreversible inhibitor of lysyl oxidase; this may relate to the development of connective tissue defects seen in homocystinuria. L-Selenohomocysteine also can serve as a substituent donor in the beta-replacement reaction to yield selenocystathionine. (PMID: 10609891, 9405445, 6456763, 3338973)
Chemical_IUPAC_NameNot Available
Chemical FormulaC4H8NO2Se
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Predicted 1H NMR SpectrumDownload
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Predicted 13C NMR PeaklistDownload
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