loop_
    _struct_site.id
    _struct_site.details
     'P2 site C'
    ; residues with a contact < 3.7 \%A to an atom in the P2
      moiety of the inhibitor in the conformation with
      _struct_asym.id = C
    ;
     'P2 site D'
    ; residues with a contact < 3.7 \%A to an atom in the P1
      moiety of the inhibitor in the conformation with
      _struct_asym.id = D)
    ;