35554-98-4
Chemical Structure
D-Cysteic acid
- CAS No.: 35554-98-4
- Formula:C3H7NO5S
- Molecular Weight:169.15
IUPAC Name: sulfo-L-alanine
InChIKey: XVOYSCVBGLVSOL-UWTATZPHSA-N
SMILES: [C@@H](CS(=O)(=O)O)(C(O)=O)N
Biological Activity: D-Cysteic acid is a competitive inhibitor of the aspartate:alanine antiporter (AspT) from Tetragenococcus halophilus. For L-aspartate self-exchange, D-Cysteic acid has a Ki of 0.14 mM and an IC50 of 0.19 mM; for L-alanine self-exchange, it has a Ki of 5.0 mM and an IC50 of 9.0 mM. D-Cysteic acid occupies a distinct substrate-binding site within the substrate transport pathway of AspT, preventing the binding of natural substrates to the transporter. D-Cysteic acid can be used in studies related to substrate recognition and transport mechanisms of transporters[1][2].
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D-Cysteic acid | D-Cysteic acid is a competitive inhibitor of the aspartate:alanine antiporter (AspT) from Tetragenococcus halophilus. For L-aspartate self-exchange, D-Cysteic acid has a Ki of 0.14 mM and an IC50 of 0.19 mM; for L-alanine self-exchange, it has a Ki of 5.0 mM and an IC50 of 9.0 mM. D-Cysteic acid occupies a distinct substrate-binding site within the substrate transport pathway of AspT, preventing the binding of natural substrates to the transporter. D-Cysteic acid can be used in studies related to substrate recognition and transport mechanisms of transporters. | |||||||||||||||||||||
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References
- [1]. Sasahara A, et al. Substrate specificity of the aspartate:alanine antiporter (AspT) of Tetragenococcus halophilus in reconstituted liposomes. J Biol Chem. 2011;286(33):29044-29052. [Content Brief]
- [2]. Varga-Visi E, et al. RPHPLC determination of L- and D-cystine and cysteine as cysteic acid. Chromatographia. 2012 Apr;51(1):S325-S327.
