3D model (JSmol)
|Molar mass||169.15 g·mol−1|
|Appearance||White crystals or powder|
|Melting point||Decomposes around 272 °C|
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
|what is ?)(|
Cysteic acid also known as 3-sulfo-L-alanine is the organic compound with the formula HO3SCH2CH(NH2)CO2H. It is often referred to as cysteate, which near neutral pH takes the form -O3SCH2CH(NH3+)CO2-.
It is an amino acid generated by oxidation of cysteine, whereby a thiol group is fully oxidized to a sulfonic acid/sulfonate group. It is further metabolized via 3-sulfolactate, which converts to pyruvate and sulfite/bisulfite. The enzyme L-cysteate sulfo-lyase catalyzes this conversion. Cysteate is not a biosynthetic precursor to taurine, which is derived from cysteine sulfinate.
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