citrulline

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citrulline rmoulder  2019-08-07
 

Dear Skyline team,

I would like to add citrulline as a post translational modification. Should I define the post translational modification by composition, or can I add a new amino acid. At present, as a work round, I have assigned the heavy synthetic citrulline containing peptide as deamidated.

Thank you in advance for your recommendations.

Best regards

Robert Moulder
Turku Bioscience Centre

 
 
Nick Shulman responded:  2019-08-07
There is no way to add new amino acids to Skyline.

Therefore your idea to treat citrulline as a modification of some other amino acid sounds like the right thing to do.
-- Nick