Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 8rks_I.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): ASP 1.A N ASP 1.A OD1 no hydrogen 2.607 N/A ASN 5.A N ASP 2.A O no hydrogen 3.123 N/A ALA 6.A N ASP 2.A OD1 no hydrogen 2.832 N/A