Table 4 Peptide m/z matches obtained via the MSiMass list
Tentative protein identity | Tentative peptide sequence | Measured m/za | MSiMass list m/z | Mass errora (ppm) | In classifier condition |
|---|---|---|---|---|---|
Collagen alpha-1(1) chain precursor | GVVGLPGQR (hydroxylated) | 898.51 | 898.48 | 33.40 | Stroma |
Histone 2A | AGLQFPVGR | 944.53 | 944.54 | 10.56 | Tumor and infiltrating |
Keratin, type 1 cytoskeletal 18 | STFSTNYR | 975.51 | 975.45 | 61.52 | Non-infiltrating |
Heat schock protein beta-1 | RVPFSLLR | 987.53 | 987.54 | 5.09 | Tumor |
Keratin, type 1 cytoskeletal 19 | DAEAWFTSR | 1082.59 | 1082.52 | 64.63 | Non-infiltrating |
Collagen alpha-1(1) chain precursor | GVQGPPGPAGPR (hydroxylated) | 1105.59 | 1105.58 | 13.54 | Stroma and non-infiltrating |
Keratin, type 1 cytoskeletal 17 or 19b | TKFETEQALR | 1222.64 | 1222.64 | 0.01 | Non-infiltrating |
Keratin, type 1 cytoskeletal 16 | NHEEEMLALR | 1241.70 | 1241.6 | 80.50 | Stroma |
Histone H4 | DNIQGITKPAIR | 1325.75 | 1325.72 | 18.85 | Tumor and infiltrating |
Glutathione S-transferase P | PPYTVVYFPVR | 1337.73 | 1337.7 | 22.41 | Infiltrating |
Keratin, type 2 cytoskeletal 7 | SIHFSSPVFTSR Acetyl (Protein N-term) | 1406.68 | 1406.71 | 24.85 | Non-infiltrating |
Keratin, type 2 cytoskeletal 6Ac | ADTLTDEINFLR | 1407.69 | 1407.71 | 14.25 | Non-infiltrating |
Vimentin | SLYASSPGGVYATR | 1428.71 | 1428.71 | 0.03 | Infiltrating |
Collagen alpha-1(1) chain precursor | GSAGPPGATGFPGAGR (hydroxylated) | 1459.69 | 1459.71 | 13.74 | Stroma |
Keratin, type 1 cytoskeletal 19 | QSSATSSFGGLGGGSVR | 1554.74 | 1554.75 | 6.44 | Non-infiltrating |
Collagen alpha-2(1) chain precursor | GETGPSGPVGPAGAVGPR | 1562.79 | 1562.8 | 6.37 | Stroma |