Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 8r65_X.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): SER 6.A OG SER 6.A O no hydrogen 2.487 N/A SER 8.A OG SER 6.A O no hydrogen 3.049 N/A THR 22.A N SER 20.A OG no hydrogen 3.406 N/A