MODRES 1ZKY CME A  381  CYS  S,S-(2-HYDROXYETHYL)THIOCYSTEINE                   
MODRES 1ZKY CME A  417  CYS  S,S-(2-HYDROXYETHYL)THIOCYSTEINE                   
MODRES 1ZKY CME A  530  CYS  S,S-(2-HYDROXYETHYL)THIOCYSTEINE                   
MODRES 1ZKY CME B  381  CYS  S,S-(2-HYDROXYETHYL)THIOCYSTEINE                   
MODRES 1ZKY CME B  417  CYS  S,S-(2-HYDROXYETHYL)THIOCYSTEINE                   
MODRES 1ZKY CME B  530  CYS  S,S-(2-HYDROXYETHYL)THIOCYSTEINE