Table 2. Summary of peptide derivatization.
The numbers given are for highly reactive compounds which gave greater than 50% derivatization in a single reaction.
| Peptides | ||||||
|---|---|---|---|---|---|---|
| Met | His | Cys | Asp/Asn/Glu/Gln | Tyr | Total | |
| Sodium acetate | 7 | 4 | 9 | 2 | 3 | 25 |
| Sodium cacodylate | 6 | 3 | 11 | 1 | 3 | 24 |
| Sodium citrate | 7 | 0 | 8 | 0 | 0 | 15 |
| MES | 8 | 26 | 19 | 6 | 4 | 63 |
| HEPES | 7 | 7 | 16 | 5 | 3 | 38 |
| Tris | 4 | 3 | 9 | 2 | 2 | 20 |
| Pt compounds | 6 | 11 | 3 | |||
| Hg compounds | 2 | 7 | 10 | |||
| Au compouds | 2 | 4 | 3 | |||