1--11 | Pyridine-2,5-dicarboxylic acid (Ser-Ser) (with C-10) |
1--10 | Pyridine-2,5-dicarboxylic acid (Ser-Cys) (with S-11) |
1--2 | Thiazole-4-carboxylic acid (Ser-Cys) |
3--4 | 5-methylthiazole-4-carboxylic acid (Asn-Cys) |
5--6 | 5-(methoxymethyl)thiazole-4-carboxylic acid (Val-Cys) |
8--9 | Thiazole-4-carboxylic acid (Phe-Cys) |
9--10 | Thiazole-4-carboxylic acid (Cys-Cys) |
11--12 | Thiazole-4-carboxylic acid (Ser-Cys) |
12--13 | Oxazoline-4-carboxylic acid (Cys-Ser) |