Publications › 10.1021/ac901043n

On-Tissue N-Terminal Peptide Derivatizations for Enhancing Protein Identification in MALDI Mass Spectrometric Imaging Strategies

Authors
Franck J, El Ayed M, Wisztorski M, Salzet M, Fournier I
Journal
Analytical Chemistry (2009)
Mass tolerance
400 ppm – Two of four reported m/z values are 0.17 and 0.47 Da below the calculated mass, so the measurement accuracy is low.
DOI
10.1021/ac901043n

Experiments

Observations (4)

Peptide ▲ Protein Measured m/z Calc. m/z ppm Species · tissue Source Status
AVFVDLEPTVIDEVR Tubulin alpha-1A chain
P68370
1701.9200 1701.9058 +8.4 Rat · Brain 10.1021/ac901043n Approved
HGFLPR Myelin basic protein
P02688
726.2300 726.4046 -240.3 Rat · Brain 10.1021/ac901043n Approved
HRDTGILDSIGR Myelin basic protein
P02688
1339.2400 1339.7077 -349.1 Rat · Brain 10.1021/ac901043n Approved
RPSQR Myelin basic protein
P02688
643.3500 643.3634 -20.9 Rat · Brain 10.1021/ac901043n Approved