MODRES 1QQQ CXM A    1  MET  N-CARBOXYMETHIONINE                                
MODRES 1QQQ CME A   50  CYS  S,S-(2-HYDROXYETHYL)THIOCYSTEINE                   
MODRES 1QQQ CME A  146  CYS  S,S-(2-HYDROXYETHYL)THIOCYSTEINE                   
MODRES 1QQQ CME A  168  CYS  S,S-(2-HYDROXYETHYL)THIOCYSTEINE                   
MODRES 1QQQ CME A  192  CYS  S,S-(2-HYDROXYETHYL)THIOCYSTEINE