Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 6v7k_X.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): HIS 4.A N ASP 2.A OD1 no hydrogen 3.358 N/A VAL 5.A N ASP 2.A O no hydrogen 3.343 N/A PHE 9.A N TRP 7.A O no hydrogen 2.761 N/A