Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 6gy5_U.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): VAL 7.A N PRO 4.A O no hydrogen 3.080 N/A ALA 8.A N PRO 4.A O no hydrogen 3.250 N/A