Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 7bn3_D.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): SER 6.A N ASN 4.A OD1 no hydrogen 2.944 N/A ALA 7.A N ASN 4.A O no hydrogen 3.199 N/A