Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 4k0k_N.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): ARG 2.A NE ARG 2.A O no hydrogen 2.696 N/A GLU 7.A N LYS 3.A O no hydrogen 3.053 N/A LYS 8.A N LEU 5.A O no hydrogen 3.324 N/A ALA 9.A N LEU 5.A O no hydrogen 3.086 N/A LYS 10.A NZ GLU 7.A OE1 no hydrogen 3.075 N/A ALA 19.A N LYS 16.A O no hydrogen 3.273 N/A ARG 22.A NH1 GLY 27.A O no hydrogen 3.135 N/A CYS 23.A N ARG 28.A O no hydrogen 2.835 N/A VAL 24.A N GLY 37.A O no hydrogen 2.726 N/A GLY 27.A N CYS 23.A O no hydrogen 3.067 N/A SER 31.A OG ARG 30.A O no hydrogen 2.864 N/A TYR 33.A N LEU 38.A O no hydrogen 3.338 N/A GLY 37.A N TYR 33.A O no hydrogen 3.014 N/A CYS 42.A SG CYS 39.A O no hydrogen 3.668 N/A CYS 42.A SG CYS 42.A O no hydrogen 2.965 N/A ARG 44.A N ILE 41.A O no hydrogen 2.781 N/A GLU 45.A N ILE 41.A O no hydrogen 3.191 N/A ALA 47.A N LEU 43.A O no hydrogen 3.082 N/A HIS 48.A N GLU 45.A O no hydrogen 3.386 N/A LYS 49.A N GLU 45.A O no hydrogen 3.352 N/A GLY 50.A N LEU 46.A O no hydrogen 2.984 N/A VAL 55.A N LEU 52.A O no hydrogen 3.289 N/A