is it possible to insert iRT values from the library into iRT calculator? pavel shliaha  2022-07-11 09:43

I have iRT values predicted for several standard peptides by prosit in my spectral library. I would like to add them as iRT standards with iRT values predicted by prosit (see attached screenshot). My questions are:

  1. is there a way to do this in 1 click, i.e. to copy iRT values from the library?
  2. if there a way to export the iRT values from the library with corresponding peptide sequences, so I can copy and paste the table?
Kaipo Tamura responded:  2022-07-11 11:30

You can use the Prosit library as an iRT calculator directly (when you click Open, you may need to switch the filter on the open file dialog to "*.blib").

Otherwise, if you don't want to use the library and only want to copy values out of it, the library is a SQLite database and you can get the iRT standards from it with a query like:
SELECT PeptideModSeq, Irt FROM IrtLibrary WHERE Standard = 1