Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 6a33_I.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): ASN 9.A N ASP 7.A OD1 no hydrogen 2.766 N/A GLU 10.A N ASP 7.A O no hydrogen 3.131 N/A