MODRES 5GDS NAL I    3  ALA  BETA-(2-NAPHTHYL)-ALANINE                          
MODRES 5GDS AIB I   22  ALA  ALPHA-AMINOISOBUTYRIC ACID                         
MODRES 5GDS AIB I   23  ALA  ALPHA-AMINOISOBUTYRIC ACID                         
MODRES 5GDS ALC I   25  ALA  2-AMINO-3-CYCLOHEXYL-PROPIONIC ACID