[BiO BB] Mascot parameters
Fabio Cerqueira
frcerqueira at gmail.com
Mon Feb 12 07:30:21 EST 2007
Hi,
Does anybody there use Mascot for protein identification by MS/MS ion serch?
I'm trying to use it for the first time, but I don't know how options to
check in
the fixed and variable modifications.
Concerning the fixed modifications I'd like to indicate a C-term mass of
14.01570; and for the amino acids C, D, E the masses: 160.03068,
129.04264, and 143.05829, respectively.
Concerning the variable modifications, I'd like to indicate phosphorylation,
oxidation of methionine and loss of water in amino acids S and T.
Phosphorylation and oxidation of methionine are easy. But I don't know
how option to choose concerning the loss of water in S and T.
Could anybody help me?
Thanks, Fabio.
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