Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 4zo1_A.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): LEU 7.A N ILE 3.A O no hydrogen 3.173 N/A LEU 7.A N LEU 4.A O no hydrogen 3.026 N/A LEU 8.A N HIS 5.A O no hydrogen 2.645 N/A