Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 4twc_A.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): ARG 3.A NH1 GLU 1.A OE2 no hydrogen 2.433 N/A VAL 4.A N TYR 8.A O no hydrogen 2.910 N/A GLY 5.A N GLU 73.A OE1 no hydrogen 3.216 N/A GLY 5.A N GLU 73.A OE2 no hydrogen 2.592 N/A ARG 7.A N VAL 4.A O no hydrogen 3.294 N/A ARG 7.A NH2 ASP 27.A OD2 no hydrogen 3.118 N/A TYR 8.A N VAL 4.A O no hydrogen 2.985 N/A ARG 9.A N THR 26.A O no hydrogen 2.810 N/A ARG 9.A NE GLU 1.A OE2 no hydrogen 2.889 N/A ARG 9.A NH2 GLU 1.A OE2 no hydrogen 3.216 N/A LEU 10.A N LEU 2.A O no hydrogen 2.877 N/A GLY 11.A N LEU 24.A O no hydrogen 2.718 N/A LYS 13.A NZ ASP 21.A OD2 no hydrogen 3.279 N/A ILE 14.A N ILE 22.A O no hydrogen 2.781 N/A GLY 15.A N ILE 22.A O no hydrogen 3.240 N/A SER 16.A OG.B ASP 21.A OD1 no hydrogen 3.523 N/A SER 18.A N ASP 148.A OD2 no hydrogen 2.821 N/A SER 18.A OG ASP 148.A OD1 no hydrogen 2.641 N/A SER 18.A OG ASP 148.A OD2 no hydrogen 3.319 N/A ILE 22.A N GLY 15.A O no hydrogen 2.834 N/A TYR 23.A N ILE 36.A O no hydrogen 2.736 N/A LEU 24.A N ASN 12.A O no hydrogen 2.857 N/A GLY 25.A N VAL 34.A O no hydrogen 2.930 N/A THR 26.A N ARG 9.A O no hydrogen 2.881 N/A THR 26.A OG1 GLU 33.A OE2 no hydrogen 2.604 N/A ASP 27.A N GLU 32.A O no hydrogen 2.649 N/A ILE 28.A N ARG 7.A O no hydrogen 2.963 N/A ALA 30.A N ASP 27.A OD1 no hydrogen 3.457 N/A GLY 31.A N ILE 28.A O no hydrogen 3.332 N/A GLU 32.A N ASP 27.A O no hydrogen 3.372 N/A VAL 34.A N GLY 25.A O no hydrogen 2.844 N/A ALA 35.A N MET 81.A O no hydrogen 2.958 N/A ILE 36.A N TYR 23.A O no hydrogen 2.722 N/A LYS 37.A N MET 79.A O no hydrogen 2.820 N/A LYS 37.A NZ GLU 51.A OE1 no hydrogen 2.802 N/A LEU 38.A N ASP 21.A O no hydrogen 3.098 N/A GLU 39.A N ASN 77.A O no hydrogen 2.969 N/A VAL 41.A N ASP 75.A O no hydrogen 2.840 N/A THR 43.A N CYS 40.A O no hydrogen 3.084 N/A GLN 47.A N GLU 39.A OE2 no hydrogen 2.669 N/A LEU 48.A N GLU 39.A OE1 no hydrogen 3.101 N/A GLU 51.A N GLN 47.A O no hydrogen 2.922 N/A SER 52.A N LEU 48.A O no hydrogen 2.868 N/A SER 52.A OG.A LEU 48.A O no hydrogen 3.399 N/A SER 52.A OG.A HIS 49.A O no hydrogen 2.712 N/A SER 52.A OG.B LEU 48.A O no hydrogen 2.772 N/A LYS 53.A N HIS 49.A O no hydrogen 3.070 N/A ILE 54.A N ILE 50.A O no hydrogen 3.128 N/A TYR 55.A N GLU 51.A O no hydrogen 3.057 N/A LYS 56.A N SER 52.A O no hydrogen 2.963 N/A MET 57.A N LYS 53.A O no hydrogen 3.016 N/A MET 58.A N ILE 54.A O no hydrogen 2.961 N/A MET 58.A N TYR 55.A O no hydrogen 3.165 N/A GLN 59.A N LYS 56.A O no hydrogen 3.298 N/A GLN 59.A NE2 TYR 55.A O no hydrogen 2.869 N/A GLN 59.A NE2 PRO 65.A O no hydrogen 2.771 N/A GLY 61.A N MET 58.A O no hydrogen 3.305 N/A ILE 64.A N GLY 61.A O no hydrogen 3.269 N/A THR 66.A N GLU 82.A OE1.A no hydrogen 3.352 N/A THR 66.A OG1 GLU 82.A OE1.A no hydrogen 3.514 N/A ILE 67.A N GLN 59.A OE1 no hydrogen 3.342 N/A ARG 68.A N VAL 80.A O no hydrogen 2.749 N/A ARG 68.A NH1 GLU 32.A OE2 no hydrogen 3.363 N/A ARG 68.A NH1 GLU 82.A OE2.B no hydrogen 3.549 N/A ARG 68.A NH2 ASP 27.A OD2 no hydrogen 2.777 N/A ARG 68.A NH2 GLU 32.A OE2 no hydrogen 3.290 N/A TRP 69.A N VAL 80.A O no hydrogen 3.297 N/A CYS 70.A SG.A SER 52.A OG.A no hydrogen 3.524 N/A CYS 70.A SG.A SER 52.A OG.B no hydrogen 3.018 N/A CYS 70.A SG.A VAL 78.A O no hydrogen 3.280 N/A GLY 71.A N VAL 78.A O no hydrogen 2.970 N/A GLU 73.A N TYR 76.A O no hydrogen 2.815 N/A TYR 76.A N GLU 73.A O no hydrogen 3.199 N/A ASN 77.A N GLU 39.A O no hydrogen 2.812 N/A VAL 78.A N GLY 71.A O no hydrogen 2.763 N/A MET 79.A N LYS 37.A O no hydrogen 2.890 N/A VAL 80.A N TRP 69.A O no hydrogen 2.709 N/A MET 81.A N ALA 35.A O no hydrogen 2.827 N/A GLU 82.A N THR 66.A O no hydrogen 2.954 N/A GLY 85.A N MET 135.A O no hydrogen 2.702 N/A SER 87.A N ASP 90.A OD2 no hydrogen 3.100 N/A LEU 88.A N PHE 133.A O no hydrogen 2.869 N/A ASP 90.A N SER 87.A OG no hydrogen 3.010 N/A LEU 91.A N SER 87.A O no hydrogen 2.924 N/A PHE 92.A N LEU 88.A O no hydrogen 2.779 N/A ASN 93.A N GLU 89.A O no hydrogen 3.017 N/A PHE 94.A N ASP 90.A O no hydrogen 2.950 N/A CYS 95.A N LEU 91.A O no hydrogen 2.898 N/A CYS 95.A SG LEU 91.A O no hydrogen 3.400 N/A SER 96.A N ASN 93.A O no hydrogen 3.008 N/A ARG 97.A N PHE 92.A O no hydrogen 2.789 N/A ARG 97.A NH1 GLU 89.A OE2 no hydrogen 2.930 N/A ARG 97.A NH1 ASN 93.A OD1 no hydrogen 2.831 N/A ARG 97.A NH2 TYR 204.A OH no hydrogen 2.672 N/A LYS 98.A NZ ASN 206.A O no hydrogen 2.744 N/A LYS 98.A NZ TYR 242.A OH no hydrogen 3.015 N/A PHE 99.A N PHE 205.A O no hydrogen 3.283 N/A SER 100.A N ASP 287.A OD2 no hydrogen 2.770 N/A SER 100.A OG ASP 287.A OD1 no hydrogen 2.596 N/A SER 100.A OG ASP 287.A OD2 no hydrogen 3.383 N/A LYS 102.A NZ SER 281.A O no hydrogen 3.231 N/A LYS 102.A NZ ASP 283.A OD1 no hydrogen 2.647 N/A LYS 102.A NZ ASP 283.A OD2 no hydrogen 3.436 N/A THR 103.A N SER 100.A OG no hydrogen 3.343 N/A VAL 104.A N SER 100.A O no hydrogen 3.009 N/A LEU 105.A N LEU 101.A O no hydrogen 2.947 N/A LEU 106.A N LYS 102.A O no hydrogen 2.819 N/A LEU 107.A N THR 103.A O no hydrogen 2.939 N/A ALA 108.A N VAL 104.A O no hydrogen 2.818 N/A ASP 109.A N LEU 105.A O no hydrogen 3.172 N/A GLN 110.A NE2 ASN 142.A O no hydrogen 2.996 N/A MET 111.A N LEU 107.A O no hydrogen 2.835 N/A ILE 112.A N ALA 108.A O no hydrogen 2.926 N/A SER 113.A N ASP 109.A O no hydrogen 3.412 N/A SER 113.A OG ASP 109.A O no hydrogen 3.379 N/A ARG 114.A N GLN 110.A O no hydrogen 2.884 N/A ARG 114.A NE VAL 144.A O no hydrogen 2.693 N/A ARG 114.A NH2 VAL 144.A O no hydrogen 3.245 N/A ILE 115.A N MET 111.A O no hydrogen 3.101 N/A GLU 116.A N ILE 112.A O no hydrogen 2.857 N/A TYR 117.A N SER 113.A O no hydrogen 2.963 N/A TYR 117.A OH MET 58.A O no hydrogen 2.631 N/A ILE 118.A N ARG 114.A O no hydrogen 3.130 N/A HIS 119.A N ILE 115.A O no hydrogen 2.920 N/A HIS 119.A ND1 TYR 264.A OH no hydrogen 2.551 N/A HIS 119.A NE2 ASP 194.A OD2 no hydrogen 2.891 N/A SER 120.A N GLU 116.A O no hydrogen 2.798 N/A SER 120.A OG TYR 117.A O no hydrogen 2.628 N/A LYS 121.A N TYR 117.A O no hydrogen 3.231 N/A LYS 121.A N ILE 118.A O no hydrogen 3.182 N/A ASN 122.A N HIS 119.A O no hydrogen 2.972 N/A PHE 123.A N ILE 118.A O no hydrogen 3.295 N/A ILE 124.A N LYS 153.A O no hydrogen 2.897 N/A HIS 125.A N ASP 194.A OD2 no hydrogen 2.843 N/A HIS 125.A NE2 ILE 147.A O no hydrogen 2.968 N/A ARG 126.A N ASP 194.A OD1 no hydrogen 2.944 N/A ARG 126.A NE LEU 151.A O no hydrogen 2.841 N/A ARG 126.A NH2 LEU 151.A O no hydrogen 3.065 N/A ASP 127.A N HIS 125.A ND1 no hydrogen 3.121 N/A LYS 129.A NZ ASP 127.A OD2 no hydrogen 3.013 N/A ASN 132.A N LYS 129.A O no hydrogen 2.943 N/A ASN 132.A ND2 ASP 127.A O no hydrogen 2.867 N/A PHE 133.A N PRO 130.A O no hydrogen 3.282 N/A LEU 134.A N TYR 145.A O no hydrogen 2.954 N/A MET 135.A N PRO 86.A O no hydrogen 2.940 N/A GLY 136.A N LEU 143.A O no hydrogen 2.904 N/A GLY 138.A N PHE 293.A O no hydrogen 2.944 N/A LYS 140.A N LEU 137.A O no hydrogen 2.964 N/A GLY 141.A N GLY 138.A O no hydrogen 3.211 N/A LEU 143.A N LYS 140.A O no hydrogen 2.979 N/A VAL 144.A N GLN 110.A OE1 no hydrogen 2.825 N/A TYR 145.A N LEU 134.A O no hydrogen 2.713 N/A ILE 146.A N GLY 63.A O no hydrogen 3.022 N/A ILE 147.A N ASN 132.A O no hydrogen 2.900 N/A ASP 148.A N TYR 55.A OH no hydrogen 2.800 N/A PHE 149.A N GLU 51.A OE2 no hydrogen 2.759 N/A GLY 150.A N ASP 148.A OD1 no hydrogen 2.927 N/A ALA 152.A N PHE 149.A O no hydrogen 3.205 N/A LYS 153.A N ILE 124.A O no hydrogen 3.031 N/A LYS 153.A NZ GLU 188.A OE1 no hydrogen 2.957 N/A TYR 155.A N ASN 122.A O no hydrogen 2.966 N/A TYR 155.A OH HIS 119.A O no hydrogen 2.735 N/A ARG 156.A NE ASN 122.A OD1 no hydrogen 2.759 N/A ARG 156.A NH2 SER 120.A O no hydrogen 3.340 N/A ARG 156.A NH2 ASN 122.A OD1 no hydrogen 3.100 N/A ASP 157.A N GLN 162.A O no hydrogen 2.965 N/A ARG 159.A N ASP 157.A OD2 no hydrogen 3.063 N/A THR 160.A N ASP 157.A OD2 no hydrogen 2.908 N/A THR 160.A OG1 ASP 157.A OD2 no hydrogen 3.268 N/A HIS 161.A N ASP 157.A O no hydrogen 2.761 N/A GLN 162.A N THR 160.A OG1 no hydrogen 2.986 N/A HIS 163.A ND1 ILE 164.A O no hydrogen 2.862 N/A ILE 164.A N TYR 155.A O no hydrogen 2.804 N/A TYR 166.A OH GLU 168.A OE2 no hydrogen 2.479 N/A ARG 167.A NE GLU 168.A O no hydrogen 3.083 N/A ARG 167.A NH2 GLU 168.A O no hydrogen 2.988 N/A LYS 170.A N GLY 186.A O no hydrogen 2.856 N/A THR 175.A N ASP 127.A OD1 no hydrogen 2.963 N/A THR 175.A OG1.A ASP 127.A OD1 no hydrogen 2.871 N/A ARG 177.A NH1 TYR 178.A OH no hydrogen 3.163 N/A TYR 178.A N THR 175.A O no hydrogen 3.295 N/A TYR 178.A N THR 175.A OG1.B no hydrogen 3.420 N/A ALA 179.A N ALA 176.A O no hydrogen 3.278 N/A SER 180.A OG THR 183.A OG1 no hydrogen 2.766 N/A SER 180.A OG ASP 193.A OD1 no hydrogen 2.457 N/A ILE 181.A N GLU 196.A OE2 no hydrogen 2.987 N/A THR 183.A N SER 180.A OG no hydrogen 3.021 N/A THR 183.A OG1 SER 180.A OG no hydrogen 2.766 N/A HIS 184.A N SER 180.A O no hydrogen 3.089 N/A LEU 185.A N ILE 181.A O no hydrogen 3.051 N/A GLY 186.A N THR 183.A O no hydrogen 3.079 N/A ILE 187.A N ASN 182.A O no hydrogen 2.995 N/A GLU 188.A N ARG 167.A O no hydrogen 2.973 N/A SER 190.A N ASP 193.A OD2 no hydrogen 2.854 N/A SER 190.A OG PHE 258.A O no hydrogen 2.695 N/A ARG 191.A NH2 ASP 259.A O no hydrogen 3.053 N/A ARG 192.A NH1 LEU 256.A O no hydrogen 2.841 N/A ASP 193.A N SER 190.A O no hydrogen 3.107 N/A LEU 195.A N ARG 191.A O no hydrogen 3.392 N/A GLU 196.A N ARG 192.A O no hydrogen 2.816 N/A SER 197.A N ASP 193.A O no hydrogen 2.961 N/A SER 197.A OG TYR 178.A O no hydrogen 2.656 N/A SER 197.A OG ASP 193.A O no hydrogen 3.178 N/A LEU 198.A N ASP 194.A O no hydrogen 3.047 N/A GLY 199.A N LEU 195.A O no hydrogen 3.026 N/A TYR 200.A N GLU 196.A O no hydrogen 3.129 N/A TYR 200.A OH GLU 196.A OE2 no hydrogen 2.518 N/A VAL 201.A N SER 197.A O no hydrogen 2.929 N/A LEU 202.A N LEU 198.A O no hydrogen 2.871 N/A MET 203.A N GLY 199.A O no hydrogen 3.117 N/A TYR 204.A N TYR 200.A O no hydrogen 2.795 N/A TYR 204.A OH GLU 89.A OE1 no hydrogen 2.707 N/A PHE 205.A N VAL 201.A O no hydrogen 2.942 N/A ASN 206.A N LEU 202.A O no hydrogen 2.946 N/A LEU 207.A N MET 203.A O no hydrogen 2.765 N/A GLY 208.A N TYR 204.A O no hydrogen 2.808 N/A LEU 210.A N GLN 213.A OE1 no hydrogen 2.696 N/A TRP 212.A NE1 ARG 177.A O no hydrogen 2.704 N/A GLN 213.A N LEU 210.A O no hydrogen 2.931 N/A LYS 222.A NZ LEU 215.A O no hydrogen 2.833 N/A GLU 224.A N ARG 220.A O no hydrogen 3.475 N/A ARG 225.A N GLN 221.A O no hydrogen 2.826 N/A ARG 225.A NH1 LYS 216.A O no hydrogen 2.699 N/A ILE 226.A N LYS 222.A O no hydrogen 2.980 N/A SER 227.A N TYR 223.A O no hydrogen 2.992 N/A GLU 228.A N GLU 224.A O no hydrogen 2.912 N/A LYS 229.A N ARG 225.A O no hydrogen 2.958 N/A LYS 230.A N ILE 226.A O no hydrogen 2.873 N/A LYS 230.A NZ ALA 176.A O no hydrogen 2.805 N/A LYS 230.A NZ ARG 177.A O no hydrogen 3.259 N/A LYS 230.A NZ ALA 179.A O no hydrogen 2.729 N/A LYS 230.A NZ HIS 184.A NE2 no hydrogen 2.889 N/A MET 231.A N SER 227.A O no hydrogen 2.909 N/A SER 232.A N GLU 228.A O no hydrogen 3.106 N/A SER 232.A OG GLU 228.A O no hydrogen 2.916 N/A SER 232.A OG LYS 229.A O no hydrogen 3.492 N/A THR 233.A N LYS 230.A O no hydrogen 3.280 N/A THR 233.A OG1 LYS 229.A O no hydrogen 2.541 N/A VAL 237.A N PRO 234.A O no hydrogen 3.025 N/A LEU 238.A N PRO 234.A O no hydrogen 2.937 N/A CYS 239.A N ILE 235.A O no hydrogen 2.940 N/A CYS 239.A SG ILE 235.A O no hydrogen 3.478 N/A TYR 242.A N CYS 239.A O no hydrogen 3.118 N/A GLU 245.A N GLU 245.A OE1 no hydrogen 2.711 N/A PHE 246.A N PRO 243.A O no hydrogen 3.181 N/A THR 248.A N SER 244.A O no hydrogen 2.918 N/A THR 248.A OG1 SER 244.A O no hydrogen 3.192 N/A TYR 249.A N GLU 245.A O no hydrogen 2.857 N/A TYR 249.A OH LEU 195.A O no hydrogen 2.740 N/A LEU 250.A N PHE 246.A O no hydrogen 3.093 N/A ASN 251.A N ALA 247.A O no hydrogen 2.908 N/A PHE 252.A N THR 248.A O no hydrogen 2.952 N/A CYS 253.A N TYR 249.A O no hydrogen 3.034 N/A CYS 253.A SG TYR 249.A O no hydrogen 3.415 N/A ARG 254.A N LEU 250.A O no hydrogen 2.934 N/A ARG 254.A NE GLU 196.A OE2 no hydrogen 3.523 N/A ARG 254.A NE TYR 200.A OH no hydrogen 3.281 N/A ARG 254.A NH2 TYR 200.A OH no hydrogen 2.818 N/A SER 255.A N ASN 251.A O no hydrogen 2.987 N/A SER 255.A N PHE 252.A O no hydrogen 3.207 N/A SER 255.A OG.A ASN 251.A O no hydrogen 2.681 N/A SER 255.A OG.B ASN 251.A O no hydrogen 3.188 N/A SER 255.A OG.B PHE 252.A O no hydrogen 2.816 N/A LEU 256.A N CYS 253.A O no hydrogen 3.308 N/A ARG 257.A N ASP 260.A OD2 no hydrogen 2.911 N/A ARG 257.A NE ASP 260.A OD2 no hydrogen 3.167 N/A ASP 260.A N ARG 257.A O no hydrogen 2.988 N/A TYR 264.A OH HIS 119.A ND1 no hydrogen 2.551 N/A TYR 266.A N ASP 263.A OD1 no hydrogen 3.030 N/A LEU 267.A N ASP 263.A O no hydrogen 3.195 N/A ARG 268.A N TYR 264.A O no hydrogen 2.856 N/A ARG 268.A NH1 GLU 116.A OE1 no hydrogen 2.708 N/A ARG 268.A NH2 GLU 116.A OE1 no hydrogen 3.021 N/A ARG 268.A NH2 SER 265.A OG.B no hydrogen 3.230 N/A GLN 269.A N SER 265.A O no hydrogen 2.803 N/A GLN 269.A NE2 SER 265.A O no hydrogen 2.854 N/A LEU 270.A N TYR 266.A O no hydrogen 2.864 N/A PHE 271.A N LEU 267.A O no hydrogen 3.492 N/A ARG 272.A N ARG 268.A O no hydrogen 2.875 N/A ARG 272.A NE ASP 109.A OD1 no hydrogen 2.783 N/A ARG 272.A NH1 GLN 269.A OE1 no hydrogen 3.418 N/A ARG 272.A NH2 ASP 109.A OD1 no hydrogen 3.230 N/A ARG 272.A NH2 ASP 109.A OD2 no hydrogen 3.340 N/A ASN 273.A N GLN 269.A O no hydrogen 2.793 N/A LEU 274.A N LEU 270.A O no hydrogen 3.316 N/A PHE 275.A N PHE 271.A O no hydrogen 2.875 N/A HIS 276.A N ARG 272.A O no hydrogen 3.039 N/A HIS 276.A ND1 ARG 272.A O no hydrogen 3.092 N/A ARG 277.A N ASN 273.A O no hydrogen 2.890 N/A ARG 277.A NH1 GLU 245.A OE2 no hydrogen 2.862 N/A GLN 278.A N LEU 274.A O no hydrogen 2.927 N/A GLY 279.A N HIS 276.A O no hydrogen 3.014 N/A PHE 280.A N PHE 275.A O no hydrogen 3.338 N/A TYR 282.A OH ASP 109.A OD2 no hydrogen 3.208 N/A ASP 283.A N SER 281.A O no hydrogen 2.897 N/A VAL 285.A N ASP 283.A OD1 no hydrogen 3.081 N/A ASP 287.A N THR 103.A OG1 no hydrogen 2.850 N/A ASN 289.A N PHE 286.A O no hydrogen 3.026 N/A LEU 291.A N TRP 288.A O no hydrogen 2.857 N/A LYS 292.A NZ ASN 289.A O no hydrogen 2.946 N/A