Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 8pku_P.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): ASP 4.A N GLU 9.A O no hydrogen 2.876 N/A GLU 6.A N ASP 4.A OD1 no hydrogen 2.797 N/A THR 7.A N ASP 4.A OD1 no hydrogen 3.116 N/A GLY 8.A N ASP 4.A O no hydrogen 2.788 N/A GLU 9.A N THR 7.A OG1 no hydrogen 3.280 N/A