SIINFEKL Peptide MALDI 3-19-12

2015-01-13

azim58 - SIINFEKL Peptide MALDI 3-19-12


Molecular Weight of SIINFEKL: 963.13
Source:
http://www.sigmaaldrich.com/catalog/product/sigma/s7951?lang=en®ion=US
http://www.bioinformatics.org/sms/prot_mw.html


My peptide does not seem to be very pure as these MALDI spectra show. The
predominant component has a molecular weight of 985.978. There is a small
peak at 963.995, but this appears to be a small fraction of the mixture.

Screenshot 1
"C:\Users\kurtw_000\Documents\kurt\storage\CIM Research Folder\DR\2014\01-23-2014d2247\01-23-2014d2247\MALDI_1_3-19-12.png"

Screenshot 2
"C:\Users\kurtw_000\Documents\kurt\storage\CIM Research Folder\DR\2014\01-23-2014d2247\01-23-2014d2247\MALDI_2_3-19-12.png"

Matrix Background

"C:\Users\kurtw_000\Documents\kurt\storage\CIM Research Folder\DR\2014\01-24-2014d0911\01-24-2014d0911\Matrix_Background_3-19-12.png"