loop_ _pdbx_struct_mod_residue.id _pdbx_struct_mod_residue.auth_asym_id _pdbx_struct_mod_residue.auth_seq_id _pdbx_struct_mod_residue.auth_comp_id _pdbx_struct_mod_residue.PDB_ins_code _pdbx_struct_mod_residue.parent_comp_id _pdbx_struct_mod_residue.details 1 A 66 CRW . ALA "CIRCULARIZED TRI-PEPTIDE CHROMOPHORE" 2 A 66 CRW . SER "CIRCULARIZED TRI-PEPTIDE CHROMOPHORE" 3 A 66 CRW . GLY "CIRCULARIZED TRI-PEPTIDE CHROMOPHORE" # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -