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Table 1 Summary of the peptide masses and search results of the GEP predominant interacting partner GRP78 in the liver cancer cell membrane fraction

From: Granulin-epithelin precursor interacts with 78-kDa glucose-regulated protein in hepatocellular carcinoma

Observed Da Mr(expt)a Mr(calc)b Ppmc Start-End Missd Ionse Peptide sequence
1528.6 1527.6 1527.7 −84.1 325–336 1 29 R.AKFEELNMDLFR.S + Oxidation(M)
1566.6 1565.6 1565.8 −85.4 61–74 0 19 R.ITPSYVAFTPEGER.L
1815.8 1814.8 1815.0 −84.8 198–214 1 55 R.IINEPTAAAIAYGLDKR.E
1833.7 1832.7 1832.9 −88.6 82–97 1 42 K.NQLTSNPENTVFDAKR.L
1887.8 1886.8 1887.0 −89.6 165–181 0 92 K.VTHAVVTVPAYFNDAQR.Q
  1. aExperimental molecular mass (Dalton) of the peptide
  2. bRelative molecular mass (Dalton) calculated from the matched peptide sequence
  3. cparts per million, showing difference between the experimental and calculated masses
  4. dnumber of missed cleavage sites
  5. eions score