Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 6y0u_E.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): LEU 4.A N LEU 1.A O no hydrogen 3.178 N/A LEU 6.A N CYS 3.A O no hydrogen 2.795 N/A LEU 7.A N LEU 4.A O no hydrogen 2.855 N/A