Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 7x6z_B.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): VAL 4.A N PRO 1.A O no hydrogen 3.409 N/A GLN 6.A N THR 3.A O no hydrogen 3.088 N/A