Table 2. The analysis of peptides combined by the C-terminal signature in the QKQELDELSTNIR cluster. Red color highlighted difference of masses that allow to determine amino acid residues. Gray background indicates masses of peptides that differ by one amino acid residue (the QKQE sequence determined for N-terminus of the peptide).

    ΔMH+
N MH+ (Da) P2 P3 P4 P5 P6 P7 P8 P9 P10 P11 P12 P13 P14 P15 P16
P1 1581.75 1 6.93 7.93 23.95 24.96 82.08 83.08 135.99 211.17 236.09 263.09 264.08 281.11 392.14 521.19
P2 1580.75 5.93 6.93 22.95 23.96 81.08 82.08 134.99 210.17 235.09 262.09 263.08 280.11 391.14 520.19  
P3 1574.82 1 17.02 18.03 75.15 76.15 129.06 204.24 229.16 256.16 257.15 274.18 385.21 514.26    
P4 1573.82 16.02 17.03 74.15 75.15 128.06 203.24 228.16 255.16 256.15 273.18 384.21 513.26      
P5 1557.8 1.01 58.13 59.13 112.04 187.22 212.14 239.14 240.13 257.16 368.19 497.24        
P6 1556.79 57.12 58.12 111.03 186.21 211.13 238.13 239.12 256.15 367.18 496.23          
P7 1499.67 1 53.91 129.09 154.01 181.01 182 199.03 310.06 439.11            
P8 1498.67 52.91 128.09 153.01 180.01 181 198.03 309.06 438.11              
P9 1445.76 75.18 100.1 127.1 128.09 145.12 256.15 385.2                
P10 1370.58 24.92 51.92 52.91 69.94 180.97 310.02                  
P11 1345.66 27 27.99 45.02 156.05 285.1                    
P12 1318.66 0.99 18.02 129.05 258.1                      
P13 1317.67 17.03 128.06 257.11                        
P14 1300.64 111.03 240.08                          
P15 1189.61 129.05                            
P16 1060.56                              
  Found residues (reverced): E Q K Q