hi markus!
the loss of 64 Da from an oxidizes, met-conatining peptide is normally
attributed to the cleavage of SOCH4 from the methionine side change. you can
check that by fragmenting the reduced form if available.
say hi to the others (martin, helmut, ...) at PROT@GEN.
best regards,
dorian
________________________
Dr. Dorian Immler
BAYER AG
ZF-ZAS, Geb. Q18
D-51368 Leverkusen
Germany
Tel.: ++49 (0)214 30-23167
Fax: ++49 (0)214 30-50677
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