1--11 | Pyridine-2,5-dicarboxylic acid (Ser-Ser) (with C-52) |
1--10 | Pyridine-2,5-dicarboxylic acid (Ser-Cys) (with S-53) |
1--2 | 5-methyloxazole-4-carboxylic acid (Ser-Thr) |
3--4 | Thiazole-4-carboxylic acid (Asn-Cys) |
5--6 | Thiazoline-4-carboxylic acid (Phe-Cys) |
8--9 | Thiazole-4-carboxylic acid (Ile-Cys) |
9--10 | Thiazole-4-carboxylic acid (Cys-Cys) |
11--12 | Thiazole-4-carboxylic acid (Ser-Cys) |