6-aminoquinolyl-N-hydroxysuccinimidyl carbamate 6-aminoquinolyl-N-hydroxysuccinimidyl carbamate - site K 170.0480194091796875 170.1699981689453125 298.142974853515625 298.350006103515625 6-aminoquinolyl-N-hydroxysuccinimidyl carbamate AccQTag C 10 H 6 N 2 O 1 C 16 H 18 N 4 O 2 K MOD:01257 PSI-MOD Unimod:194 artifact modification from Unimod Chemical derivative -