Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 6tkl_I.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): GLU 18.A N PRO 15.A O no hydrogen 3.071 N/A ILE 19.A N LEU 16.A O no hydrogen 3.092 N/A ILE 22.A N ILE 19.A O no hydrogen 3.208 N/A