Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 8dk9_E.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): GLN 1.A NE2 GLU 2.A O GLN 1.A HE21 2.945 2.143