13--14 | Oxazole-4-carboxylic acid (Gly-Ser) |
14--15 | Thiazole-4-carboxylic acid (Ser-Cys) |
21--22 | Thiazole-4-carboxylic acid (Gly-Cys) |
24--25 | Thiazole-4-carboxylic acid (Gly-Cys) |
28--29 | Thiazole-4-carboxylic acid (Gly-Cys) |
29--30 | Oxazole-4-carboxylic acid (Cys-Ser) |
35--36 | Oxazole-4-carboxylic acid (Gly-Ser) |
38--39 | Oxazole-4-carboxylic acid (Gly-Ser) |