Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 4x66_N.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): LEU 5.A N ARG 2.A O no hydrogen 2.885 N/A ILE 6.A N LYS 3.A O no hydrogen 3.293 N/A GLU 7.A N ALA 4.A O no hydrogen 2.930 N/A LYS 8.A N LEU 5.A O no hydrogen 2.925 N/A ALA 19.A N LYS 16.A O no hydrogen 3.259 N/A THR 21.A OG1 ARG 22.A O no hydrogen 3.514 N/A ARG 22.A NE TYR 20.A OH no hydrogen 3.261 N/A CYS 23.A N ARG 28.A O no hydrogen 2.850 N/A VAL 24.A N GLY 37.A O no hydrogen 3.280 N/A GLY 27.A N CYS 23.A O no hydrogen 3.195 N/A GLY 37.A N ARG 34.A O no hydrogen 3.268 N/A LEU 43.A N CYS 39.A O no hydrogen 3.059 N/A ARG 44.A N ARG 40.A O no hydrogen 2.979 N/A GLU 45.A N ILE 41.A O no hydrogen 2.914 N/A LEU 46.A N CYS 42.A O no hydrogen 2.928 N/A ALA 47.A N LEU 43.A O no hydrogen 2.891 N/A HIS 48.A N ARG 44.A O no hydrogen 2.937 N/A LYS 49.A N GLU 45.A O no hydrogen 2.931 N/A GLY 50.A N LEU 46.A O no hydrogen 3.064 N/A GLY 50.A N ALA 47.A O no hydrogen 3.328 N/A GLN 51.A N LEU 46.A O no hydrogen 3.118 N/A VAL 55.A N LEU 52.A O no hydrogen 3.239 N/A