Structure and Distribution of an Unrecognized Interstitium in Human Tissues
Collagen: Animal Sources and Biomedical Application
from Wiki:
| Amino acid | Abundance in mammal skin (residues/1000) |
Abundance in fish skin (residues/1000) |
|---|---|---|
| Glycine G |
329 | 339 |
| Proline P |
126 | 108 |
| Alanine A |
109 | 114 |
| Hydroxyproline | 95 | 67 |
| Glutamic acid Q |
74 | 76 |
| Arginine R |
49 | 52 |
| Aspartic acid D |
47 | 47 |
| Serine S |
36 | 46 |
| Lysine K |
29 | 26 |
| Leucine L |
24 | 23 |
| Valine V |
22 | 21 |
| Threonine T |
19 | 26 |
| Phenylalanine F |
13 | 14 |
| Isoleucine I |
11 | 11 |
| Hydroxylysine | 6 | 8 |
| Methionine M |
6 | 13 |
| Histidine H |
5 | 7 |
| Tyrosine Y |
3 | 3 |
| Cysteine C |
1 | 1 |