Which amino acid (cystine or cysteine) is in the AccQ•Tag standard? - WKB75858
Article number: 75858
ENVIRONMENT
- AccQ•Tag
- Amino acid analysis solution
- Cysteine
- Cystine
ANSWER
WAT088122 - AMINO ACID STD contains cystine, the dimer of cysteine, at a concentration of ~1.25 µMol.
ADDITIONAL INFORMATION
You are actually measuring or assaying cystine (the dimer in the standard at 1/2 the concentration of all other amino acids in the standard), but you are reporting results for cysteine, and you must take care to double your results in the processing calculations.
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