Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 4g20_B.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): HIS 6.A N HIS 2.A O no hydrogen 3.206 N/A HIS 6.A ND1 HIS 2.A O no hydrogen 3.202 N/A ARG 7.A N LYS 3.A O no hydrogen 3.519 N/A LEU 8.A N ILE 4.A O no hydrogen 3.229 N/A LEU 9.A N LEU 5.A O no hydrogen 3.052 N/A LEU 9.A N HIS 6.A O no hydrogen 2.640 N/A