oxazole/oxazoline ring crosslinked residues (Cys) L-threonine 5-hydroxyoxazole-4-carbonthionic acid -4.0300002098083496094 -4.0313000679016113281 200.0255584716796875 200.220001220703125 H -4 C 7 H 8 N 2 O 3 S 1 MOD:01878 PSI-MOD 2-[(1S,2R)-1-amino-2-hydroxypropyl]-5-hydroxy-1,3-oxazole-4-carbothioic O-acid L-threonine 5-hydroxy-oxazole-4-carbonthionic acid none A protein modification that effectively converts an L-cysteine residue and an L-threonine residue to L-threonine 5-hydroxyoxazole-4-carbothionic acid. Cross-link 2. natural CROSSLNK Threonine 5-hydroxy-oxazole-4-carbonthionic acid (Thr-Cys) C, T (4Z)-2-[(1S,2R)-1-amino-2-hydroxypropyl]-4-(sulfanylmethylidene)-1,3-oxazol-5(4H)-one [tautomer] crosslinked L-cysteine residue crosslinked L-threonine residue