From: Low-resolution structural studies of human Stanniocalcin-1
 |  |  | Mass | |||
---|---|---|---|---|---|---|
Disulfide Bond | Sequence of peptides | Protease | Theoretical | Observed (Expected) | ||
 |  |  |  | [M+2H] | [M+3H] | [M+4H] |
C45-C59; C54-C74; C65-C114 | C45LNSAL...IDC K75 C114STFQR119 | Trypsin | 3981.51 | Â | Â | 996.22 (996.38) |
C54-C74 | Q51VGC GAFA57 D72IC KSF77 | Chymotrypsin | 1389.61 | 695.95 (695.81) | 464.24 (464.21) | Â |
C65-C114 | E61NSTC...GMY71 A110IRRC STF117 | Chymotrypsin | 2184.89 | Â | 729.36 (729.30) | 547.26 (547.23) |
C98-C128 | C98IANGVTSK106 M120IAE...C YSK131 | Trypsin | 2318.06 | Â | 773.73 (773.69) | 580.56 (580.52) |
C98-C128 | K97C IA...SKVF108 Q118RMIA...EEC Y129 | Chymotrypsin | 2761.32 | Â | 921.17 (921.45) | 691.14 (691.34) |
C135-C170 | L132NVC SIAK139 S166LLEC...TIR179 | Trypsin | 2424.19 | Â | 809.12 (809.07) | 607.08 (607.05) |
 |  |  | Mass | |||
Disulfide Bond | Sequence of peptides | Chemical Reagent | Theoretical | Observed (Expected) | ||
 |  |  |  | [M+H] | ||
C202-C202* | D200HC AQTHPRA209 D200HC AQTHPRA209 | Formic acid | 2266.98 | 2268.11 (2267.99) |