MRL-1 Peptide and Metabolites | Sequencea | Calculated Exact Mass | Monoisotopic m/z | Mass Error | |
---|---|---|---|---|---|
Calculated | Observed | ||||
Da | ppm | ||||
1-26 | CFRVDEEFQS PFASQSRGYF LFRPRN-NH2 | 3189.5533 | 798.3956 (4+), 1064.1917 (3+) | 798.3919 (4+) | 5 |
1-25 | CFRVDEEFQS PFASQSRGYF LFRPR-OH | 3076.4944 | 770.1309 (4+), 1026.5054 (5+) | 770.1314 (4+), 1026.5060 (3+) | 1 |
1-20 | CFRVDEEFQS PFASQSRGYF-OH | 2407.0869 | 803.3696 (3+), 1204.5507 (2+) | 803.3700 (3+), 1204.5518 (2+) | <1 |
1-18 | CFRVDEEFQS PFASQSRG-OH | 2096.9552 | 699.9923 (3+), 1049.4848 (2+) | 699.9921 (3+), 1049.4851 (3+) | <1 |
1-17 | CFRVDEEFQS PFASQSR-OH | 2039.9337 | 680.9852 (3+), 1020.9741 (2+) | 680.9853 (3+), 1020.9744 (3+) | 1 |
1-16 | CFRVDEEFQS PFASQS-OH | 1883.8326 | 628.9515 (3+), 942.9236 (2+) | 628.9513 (3+), 942.9240 (2+) | <1 |
1-15 | CFRVDEEFQS PFASQ-OH | 1796.8006 | 599.9408 (3+), 899.4076 (2+) | 599.9409 (3+), 899.4079 (2+) | <1 |
1-13 | CFRVDEEFQS PFA-OH | 1581.7080 | 528.2439 (3+), 791.8623 (2+) | 791.8624 (2+) | <1 |
1-12 | CFRVDEEFQS PF-OH | 1510.6729 | 504.5649 (3+), 756.3437 (4+) | 756.3437 (2+) | <1 |
↵a Amino acid C in each sequence refers to modified cysteine as shown in Fig. 7.