Table 1.
Peptide | Sequence | Exptl MW a | Mass error (Da) a | Spectrum |
---|---|---|---|---|
Pai−AST-A1 | SRQYAF GLamide | 940.55 | 0.06 | Fig. 3A |
Pai−AST-A2 | NRQYSFGLamide | 982.50 | 0.02 | Fig. S3 |
Pai−AST-A3 | NRPYSFGLamide | 951.55 | 0.05 | Fig. S3 |
| ||||
Pai−AST-B1 | ANWNKFHGSWamide | 1244.59 | 0.00 | Fig. 3B |
Pai−AST-B2 | ADWNKFHGSWamide | 1245.60 | 0.02 | Fig. 3C |
Pai−AST-B3 | GNWNKFHGSWamide | 1230.59 | 0.01 | Fig. S3 |
Pai−AST-B4 | GDWNKFHGSWamide | 1231.57 | 0.01 | Fig. S3 |
| ||||
Pai−CPRP | RSS SGLVRLEKLL SSRSS SSTPLGLLS ADHNVN |
3466.86 | 0.00 | Fig. 5 |
| ||||
Pai−CHH | AVFDQSCKGVYDRSLFGKLDRVCDD CYNLYRKHYVSTGCRKNCYGNLVFR QCLDDLLLVDVVDEYVASVQSV b |
8271.12 | 0.19 | Fig. 7 |
Small peptides were measured on ESI-QTOF; mid-size and large peptides were analyzed on an LTQ-FTICR mass spectrometer.
Pai−CHH contains three disulfide bonds. The disulfide linkages are the same as the homologous CHH peptide(Ref. 46).