| Estimated peptide | Comparative Analysis | |
| Ratio | ||
| F4404 vs. SM | F4408 vs. SM | |
| Ala-Ser Thr-Gly | 3.5 | 3.4 |
| Ala-Thr Thr-Ala | <1 | <1 |
| Arg-Glu Glu-Arg | <1 | <1 |
| Arg-Gly Gly-Arg | <1 | <1 |
| Arg-Pro | <1 | <1 |
| Asn-Asp Asp-Asn | 1.1 | 1.8 |
| Asn-Ile Asn-Leu Ile-Asn Leu-Asn Val-Gln | N.A. | 1< |
| Asn-Thr Ser-Gln Thr-Asn | <1 | <1 |
| Asp-Arg | 1.2 | 1.3 |
| Asp-Asp | <1 | 4.2 |
| Asp-Glu | <1 | 1.4 |
| Asp-Gly | 0.7 | 0.8 |
| Asp-Lys | 0.9 | 1.1 |
| Asp-Ser Ser-Asp | <1 | <1 |
| Daminozide Ala-Ala | 22 | 15 |
| Glu-Asp | <1 | 1.1 |
| Glu-Glu | <1 | 0.5 |
| Glu-Ser | <1 | 0.7 |
| Gly-Asp | <1 | 1.0 |
| Gly-Gly | N.A. | 1< |
| Gly-His His-Gly | <1 | <1 |
| Gly-Lys Lys-Gly | <1 | 0.9 |
| Ile-Ala Leu-Ala | N.A. | 1< |
| Ile-Lys Lys-Ile Lys-Leu Leu-Lys | <1 | 0.5 |