Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 4x3u_A.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): GLU 4.A N LYS 21.A O no hydrogen 2.693 N/A SER 5.A N LYS 21.A O no hydrogen 3.354 N/A ARG 7.A N LEU 19.A O no hydrogen 2.808 N/A ARG 7.A NH1 SER 30.A OG no hydrogen 3.081 N/A LYS 9.A NZ GLU 48.A OE1 no hydrogen 3.401 N/A LYS 9.A NZ GLU 48.A OE2 no hydrogen 2.479 N/A ARG 10.A N GLU 17.A O no hydrogen 2.933 N/A ARG 10.A NE GLU 17.A OE1 no hydrogen 2.858 N/A ARG 10.A NH2 GLU 17.A OE1 no hydrogen 3.024 N/A ARG 12.A N LYS 15.A O no hydrogen 2.918 N/A ARG 12.A NE GLU 17.A OE1 no hydrogen 3.028 N/A ARG 12.A NE GLU 17.A OE2 no hydrogen 3.374 N/A ARG 12.A NH2 GLU 17.A OE2 no hydrogen 2.848 N/A LYS 15.A N ARG 12.A O no hydrogen 3.165 N/A GLU 17.A N ARG 10.A O no hydrogen 2.903 N/A TYR 18.A N GLU 33.A O no hydrogen 2.771 N/A TYR 18.A OH GLU 48.A OE2 no hydrogen 3.388 N/A LEU 19.A N LYS 8.A O no hydrogen 2.819 N/A VAL 20.A N THR 31.A O no hydrogen 2.844 N/A LYS 21.A N SER 5.A O no hydrogen 2.854 N/A LYS 21.A NZ GLU 4.A OE1 no hydrogen 2.700 N/A LYS 21.A NZ TRP 22.A O no hydrogen 3.186 N/A LYS 21.A NZ TRP 25.A O no hydrogen 2.823 N/A TRP 22.A NE1 THR 31.A OG1 no hydrogen 2.881 N/A LYS 23.A N ALA 2.A O no hydrogen 2.857 N/A LYS 23.A NZ PHE 1.A O no hydrogen 2.726 N/A TRP 25.A N TRP 22.A O no hydrogen 3.079 N/A TYR 29.A N PRO 26.A O no hydrogen 2.833 N/A SER 30.A N PRO 27.A O no hydrogen 2.867 N/A SER 30.A OG PRO 27.A O no hydrogen 2.857 N/A THR 31.A N VAL 20.A O no hydrogen 3.220 N/A THR 31.A OG1 GLU 33.A OE2 no hydrogen 2.611 N/A GLU 33.A N TYR 18.A O no hydrogen 2.800 N/A GLU 36.A N GLU 36.A OE1 no hydrogen 2.865 N/A HIS 37.A N PRO 34.A O no hydrogen 3.000 N/A HIS 37.A ND1 GLU 33.A OE1 no hydrogen 2.678 N/A ILE 38.A N GLU 35.A O no hydrogen 2.882 N/A ARG 42.A N ASP 40.A OD1 no hydrogen 3.044 N/A ARG 42.A NE ASP 40.A OD1 no hydrogen 2.930 N/A ARG 42.A NE ASP 40.A OD2 no hydrogen 3.388 N/A ARG 42.A NH2 ASP 40.A OD2 no hydrogen 2.916 N/A LEU 43.A N ASP 40.A O no hydrogen 3.304 N/A ALA 46.A N ARG 42.A O no hydrogen 2.948 N/A TYR 47.A N LEU 43.A O no hydrogen 2.960 N/A GLU 48.A N VAL 44.A O no hydrogen 2.936 N/A GLU 49.A N MET 45.A O no hydrogen 3.079 N/A LYS 50.A N ALA 46.A O no hydrogen 3.008 N/A GLU 51.A N TYR 47.A O no hydrogen 2.918 N/A GLU 52.A N GLU 48.A O no hydrogen 3.045 N/A ARG 53.A N GLU 49.A O no hydrogen 3.212 N/A ARG 53.A N LYS 50.A O no hydrogen 3.103 N/A ASP 54.A N GLU 51.A O no hydrogen 3.084 N/A ALA 56.A N ARG 53.A O no hydrogen 2.955 N/A