Table 2.
Identified inter-cross-linked pairs and dead-ends from pcPIR cross-linking BSA experiment
| Cross-linked precursor mass |
Released peptide A mass |
Released peptide B mass |
Error (ppm) |
Cross-linking/labeling | Distance (Å) |
|---|---|---|---|---|---|
| 3017.5340 | 946.5133 | 916.4970 | 5.65 | R. LSQKFPK. A -pcPIR- R. SLGKVGTR. C | 25.6 |
| 3190.5913* | 1089.5678 | 946.5133 | 1.11 | R. EKVLTSSAR. Q -pcPIR- R. LSQKFPK. A | 21.9* |
| 3201.6261* | 1100.5989 | 946.5133 | 2.26 | R. ALKAWSVAR. L -pcPIR- R. LSQKFPK. A | 14.9* |
| 3365.6129 | 1294.5982 | 916.4970 | 3.28 | R. CASIQKFGER. A -pcPIR- R. SLGKVGTR. C | 29.6 |
| 3709.8572 | 1638.8293 | 916.4970 | 6.54 | R. LCVLHEKTPVSEK. V -pcPIR- R. SLGKVGTR. C | 26.5 |
| 2189.0297 | 916.4970 | −0.25 | R. SLGKVGTR. C -pcPIR- OH | ||
| 2219.0444 | 946.5133 | −0.97 | R. LSQKFPK. A -pcPIR- OH | ||
| 2362.1022 | 1089.5678 | 0.49 | R. EKVLTSSAR. Q -pcPIR- OH | ||
| 2373.1384 | 1100.5989 | 2.63 | R. ALKAWSVAR. L -pcPIR- OH | ||
| 2565.1405 | 1292.6083 | −0.41 | R. DTHKSEIAHR. F -pcPIR- OH | ||
| 2567.1374 | 1294.6032 | 0.37 | R. CASIQKFGER. A -pcPIR- OH | ||
| 2621.1634 | 1348.6297 | 0.17 | R. FKDLGEEHFK. G -pcPIR- OH | ||
| 2911.3661 | 1638.8293 | 1.22 | R. LCVLHEKTPVSEK. V -pcPIR- OH | ||
| 2918.4322 | 1645.9046 | −1.94 | K. LKHLVDEPQNLIK. Q -pcPIR- OH | ||
| 3011.4816 | 1738.9470 | 0.45 | R. KVPQVSTPTLVEVSR. S -pcPIR- OH | ||
| 3317.5640 | 2045.0219 | 2.67 | K. SLHTLFGDELCKVASLR. E -pcPIR- OH | ||
| 3485.4323 | 2212.8964 | 0.76 | K. VHKECCHGDLLECADDR. A -pcPIR- OH |