Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 7md4_M.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): VAL 9.A N HIS 6.A O no hydrogen 3.327 N/A PHE 10.A N HIS 6.A O no hydrogen 3.316 N/A