Table 1.

Mass spectrometry of the 75 kDa protein band isolated by crosslinking with immobilized oligomannose-mimicking peptide revealed six peptide masses that match to mouse synapsin

m/z submittedMH+ matchedΔDaStartEndMissing cleavagesPeptide sequences
1187.691186.68−0.0191771860RSLKPDFVLIRQ
1635.781635.87−0.0901151280VLLVIDEPHTDWAKa
1756.821756.78 (MSO)0.0403373520TNTGSAMLEQIAMSDRa
1804.861804.76 (Pho)0.1003373520TNTGSAMLEQIAMSDRa
2051.992050.980.017861080QTTAAAAATFSEQVGGGSGGAGRa
2378.232377.19−0.0035085310RLPSPTAAPQQSASQATa
  • aSequence was confirmed by postsource decay fragment ion mass analysis.