Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 4chb_C.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): ASP 8.A N PRO 5.A O no hydrogen 2.900 N/A GLN 9.A N GLU 6.A O no hydrogen 3.050 N/A GLN 9.A NE2 GLU 4.A O no hydrogen 2.732 N/A