The application notes include recommended starting dilutions; optimal dilutions/concentrations should be determined by the end user.
Additional notesProtein concentration is above or equal to 0.05 µg/ul.
Best use within three months from the date of receipt of this protein.
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Preparation and Storage
Stability and Storage
Shipped on dry ice. Upon delivery aliquot and store at -80ºC. Avoid freeze / thaw cycles.
pH: 8.00 Constituents: 0.3% Glutathione, 0.79% Tris HCl
cystathionase (cystathionine gamma-lyase)
Cystathionine gamma lyase
FunctionCatalyzes the last step in the transsulfuration pathway from methionine to cysteine. Has broad substrate specificity. Converts cystathionine to cysteine, ammonia and 2-oxobutanoate. Converts two cysteine molecules to lanthionine and hydrogen sulfide. Can also accept homocysteine as substrate. Specificity depends on the levels of the endogenous substrates. Generates the endogenous signaling molecule hydrogen sulfide (H2S), and so contributes to the regulation of blood pressure.
PathwayAmino-acid biosynthesis; L-cysteine biosynthesis; L-cysteine from L-homocysteine and L-serine: step 2/2.
Involvement in diseaseDefects in CTH are the cause of cystathioninuria (CSTNU) [MIM:219500]. It is an autosomal recessive phenotype characterized by abnormal accumulation of plasma cystathionine, leading to increased urinary excretion.
Sequence similaritiesBelongs to the trans-sulfuration enzymes family.
Post-translational modificationsPhosphorylated upon DNA damage, probably by ATM or ATR.