Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 4k18_A.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): GLU 1.A N SER 5.A OG no hydrogen 3.214 N/A GLU 4.A N GLU 4.A OE1 no hydrogen 2.496 N/A SER 5.A N PRO 2.A O no hydrogen 3.091 N/A SER 5.A OG PRO 2.A O no hydrogen 3.092 N/A GLN 6.A N LEU 3.A O no hydrogen 3.324 N/A TYR 7.A N LEU 3.A O no hydrogen 3.160 N/A GLN 8.A N ILE 25.A O no hydrogen 2.863 N/A GLY 10.A N SER 23.A O no hydrogen 2.736 N/A LEU 13.A N VAL 21.A O no hydrogen 2.704 N/A GLY 14.A N VAL 21.A O no hydrogen 3.315 N/A SER 20.A N HIS 37.A O no hydrogen 3.367 N/A VAL 21.A N GLY 14.A O no hydrogen 2.843 N/A TYR 22.A N ILE 35.A O no hydrogen 2.798 N/A SER 23.A N PRO 11.A O no hydrogen 2.836 N/A GLY 24.A N VAL 33.A O no hydrogen 2.941 N/A ILE 25.A N GLN 8.A O no hydrogen 2.972 N/A ARG 26.A N LEU 31.A O no hydrogen 2.786 N/A ARG 26.A NE ASP 29.A OD1 no hydrogen 3.029 N/A ARG 26.A NH1 ASP 29.A OD2 no hydrogen 2.593 N/A VAL 27.A N GLN 6.A O no hydrogen 2.750 N/A ASN 30.A N ARG 26.A O no hydrogen 2.738 N/A LEU 31.A N ASP 29.A OD1 no hydrogen 3.077 N/A VAL 33.A N GLY 24.A O no hydrogen 2.905 N/A ALA 34.A N LEU 89.A O no hydrogen 2.708 N/A ILE 35.A N TYR 22.A O no hydrogen 2.823 N/A LYS 36.A N LEU 87.A O no hydrogen 2.947 N/A LYS 36.A NZ GLU 58.A OE1 no hydrogen 3.425 N/A LYS 36.A NZ GLU 58.A OE2 no hydrogen 2.613 N/A HIS 37.A N SER 20.A O no hydrogen 2.926 N/A VAL 38.A N PHE 85.A O no hydrogen 2.900 N/A LYS 40.A N ASP 83.A O no hydrogen 2.979 N/A LYS 40.A NZ GLU 80.A OE2 no hydrogen 2.732 N/A LYS 40.A NZ ARG 81.A O no hydrogen 2.830 N/A LYS 40.A NZ PRO 82.A O no hydrogen 3.171 N/A ARG 42.A N GLU 39.A O no hydrogen 2.877 N/A ILE 43.A N LYS 40.A O no hydrogen 3.307 N/A SER 44.A OG ASP 45.A OD1 no hydrogen 3.294 N/A GLY 47.A N VAL 55.A O no hydrogen 2.805 N/A LEU 49.A N THR 53.A O no hydrogen 3.025 N/A GLY 52.A N LEU 49.A O no hydrogen 2.641 N/A VAL 55.A N GLY 47.A O no hydrogen 3.219 N/A MET 57.A N ASP 45.A O no hydrogen 2.896 N/A VAL 59.A N PRO 56.A O no hydrogen 2.884 N/A VAL 60.A N PRO 56.A O no hydrogen 3.399 N/A LEU 61.A N MET 57.A O no hydrogen 2.916 N/A LEU 62.A N GLU 58.A O no hydrogen 2.923 N/A LYS 63.A N VAL 59.A O no hydrogen 2.932 N/A LYS 64.A N VAL 60.A O no hydrogen 3.194 N/A VAL 65.A N LEU 61.A O no hydrogen 3.187 N/A VAL 65.A N LEU 62.A O no hydrogen 3.179 N/A SER 66.A N LYS 63.A O no hydrogen 3.375 N/A SER 66.A OG LEU 62.A O no hydrogen 2.827 N/A ILE 73.A N LEU 153.A O no hydrogen 3.058 N/A ARG 74.A N GLU 90.A OE1 no hydrogen 3.031 N/A LEU 75.A N SER 66.A OG no hydrogen 2.864 N/A LEU 76.A N ILE 88.A O no hydrogen 2.663 N/A ASP 77.A N ILE 88.A O no hydrogen 3.414 N/A TRP 78.A N ASP 77.A OD1 no hydrogen 2.799 N/A PHE 79.A N VAL 86.A O no hydrogen 2.821 N/A ARG 81.A N SER 84.A O no hydrogen 2.757 N/A SER 84.A N ARG 81.A O no hydrogen 3.456 N/A PHE 85.A N VAL 38.A O no hydrogen 2.936 N/A VAL 86.A N PHE 79.A O no hydrogen 2.826 N/A LEU 87.A N LYS 36.A O no hydrogen 2.740 N/A ILE 88.A N ASP 77.A O no hydrogen 2.790 N/A LEU 89.A N ALA 34.A O no hydrogen 2.798 N/A GLU 90.A N ARG 74.A O no hydrogen 3.135 N/A ARG 91.A NE VAL 33.A O no hydrogen 2.814 N/A ARG 91.A NH1 GLY 24.A O no hydrogen 2.933 N/A GLN 96.A N ILE 144.A O no hydrogen 3.314 N/A GLN 96.A NE2 GLU 104.A OE1 no hydrogen 3.346 N/A GLN 96.A NE2 GLU 104.A OE2 no hydrogen 3.199 N/A LEU 98.A N ILE 142.A O no hydrogen 2.875 N/A ASP 100.A N ASP 97.A OD1 no hydrogen 2.643 N/A PHE 101.A N ASP 97.A O no hydrogen 3.029 N/A ILE 102.A N LEU 98.A O no hydrogen 2.850 N/A THR 103.A N PHE 99.A O no hydrogen 3.072 N/A THR 103.A OG1 PHE 99.A O no hydrogen 2.768 N/A GLU 104.A N ASP 100.A O no hydrogen 2.910 N/A ARG 105.A N PHE 101.A O no hydrogen 3.046 N/A ARG 105.A NH1 HIS 272.A O no hydrogen 3.351 N/A ARG 105.A NH2 HIS 272.A O no hydrogen 3.029 N/A GLY 106.A N ILE 102.A O no hydrogen 2.550 N/A LEU 108.A N MET 204.A O no hydrogen 2.871 N/A ALA 113.A N GLN 109.A O no hydrogen 2.862 N/A ARG 114.A N GLU 110.A O no hydrogen 2.734 N/A ARG 114.A NE TRP 258.A O no hydrogen 2.674 N/A ARG 114.A NH2 TRP 258.A O no hydrogen 3.426 N/A SER 115.A N GLU 111.A O no hydrogen 3.210 N/A SER 115.A OG THR 268.A OG1 no hydrogen 2.656 N/A PHE 116.A N LEU 112.A O no hydrogen 2.954 N/A PHE 117.A N ALA 113.A O no hydrogen 2.801 N/A TRP 118.A N ARG 114.A O no hydrogen 2.937 N/A GLN 119.A N SER 115.A O no hydrogen 3.105 N/A GLN 119.A NE2 GLY 149.A O no hydrogen 2.966 N/A VAL 120.A N PHE 116.A O no hydrogen 2.998 N/A LEU 121.A N PHE 117.A O no hydrogen 2.926 N/A GLU 122.A N TRP 118.A O no hydrogen 2.954 N/A ALA 123.A N GLN 119.A O no hydrogen 2.897 N/A VAL 124.A N VAL 120.A O no hydrogen 2.790 N/A ARG 125.A N LEU 121.A O no hydrogen 2.918 N/A ARG 125.A NE GLN 254.A OE1 no hydrogen 2.902 N/A ARG 125.A NH2 GLU 122.A OE2 no hydrogen 3.135 N/A HIS 126.A N GLU 122.A O no hydrogen 3.012 N/A HIS 126.A NE2 VAL 65.A O no hydrogen 2.848 N/A CYS 127.A N ALA 123.A O no hydrogen 3.081 N/A CYS 127.A SG ALA 123.A O no hydrogen 3.459 N/A HIS 128.A N VAL 124.A O no hydrogen 2.937 N/A ASN 129.A N ARG 125.A O no hydrogen 2.841 N/A CYS 130.A N HIS 126.A O no hydrogen 2.989 N/A CYS 130.A N CYS 127.A O no hydrogen 2.989 N/A CYS 130.A SG LYS 64.A O no hydrogen 3.331 N/A CYS 130.A SG HIS 126.A O no hydrogen 3.335 N/A GLY 131.A N HIS 128.A O no hydrogen 2.963 N/A VAL 132.A N CYS 127.A O no hydrogen 2.847 N/A LEU 133.A N ALA 160.A O no hydrogen 2.854 N/A HIS 134.A NE2 ILE 154.A O no hydrogen 2.872 N/A ARG 135.A NE SER 158.A O no hydrogen 2.926 N/A ARG 135.A NH1 SER 158.A O no hydrogen 3.289 N/A ARG 135.A NH1 GLY 159.A O no hydrogen 3.247 N/A ARG 135.A NH1 ASP 169.A OD2 no hydrogen 3.347 N/A ARG 135.A NH2 ASP 169.A OD2 no hydrogen 3.031 N/A ARG 135.A NH2 TYR 187.A OH no hydrogen 3.059 N/A ASP 136.A N HIS 134.A ND1 no hydrogen 3.027 N/A LYS 138.A NZ THR 173.A OG1 no hydrogen 2.621 N/A ASN 141.A N LYS 138.A O no hydrogen 2.878 N/A ASN 141.A ND2 ASP 136.A O no hydrogen 2.783 N/A ASN 141.A ND2 ASP 136.A OD2 no hydrogen 2.971 N/A ILE 142.A N ASP 139.A O no hydrogen 3.219 N/A LEU 143.A N LYS 152.A O no hydrogen 2.758 N/A ILE 144.A N GLN 96.A O no hydrogen 2.801 N/A ASP 145.A N GLU 150.A O no hydrogen 2.746 N/A ARG 148.A N ASP 145.A OD1 no hydrogen 3.345 N/A GLY 149.A N ASP 145.A O no hydrogen 2.679 N/A GLU 150.A N ASP 145.A O no hydrogen 3.269 N/A LEU 151.A N GLN 119.A OE1 no hydrogen 2.908 N/A LYS 152.A N LEU 143.A O no hydrogen 2.791 N/A LYS 152.A NZ SER 70.A O no hydrogen 2.505 N/A LEU 153.A N GLY 71.A O no hydrogen 2.955 N/A ILE 154.A N ASN 141.A O no hydrogen 2.888 N/A GLY 157.A N ASP 155.A OD1 no hydrogen 3.023 N/A SER 158.A OG ASP 171.A O no hydrogen 3.570 N/A GLY 159.A N PHE 156.A O no hydrogen 3.103 N/A ALA 160.A N LEU 133.A O no hydrogen 2.886 N/A LEU 162.A N GLY 131.A O no hydrogen 2.814 N/A LYS 163.A N TYR 167.A OH no hydrogen 3.014 N/A LYS 163.A NZ VAL 166.A O no hydrogen 3.222 N/A TYR 167.A N TYR 187.A O no hydrogen 2.877 N/A TYR 167.A OH LEU 161.A O no hydrogen 2.767 N/A THR 173.A N ASP 136.A OD1 no hydrogen 3.147 N/A THR 173.A OG1 ASP 136.A OD1 no hydrogen 2.766 N/A ARG 174.A NE ASP 214.A OD1 no hydrogen 2.971 N/A ARG 174.A NH2 ASP 214.A OD1 no hydrogen 3.567 N/A ARG 174.A NH2 ASP 214.A OD2 no hydrogen 2.943 N/A TYR 176.A N THR 173.A O no hydrogen 3.010 N/A SER 177.A N ARG 174.A O no hydrogen 2.853 N/A SER 177.A OG ARG 174.A O no hydrogen 2.605 N/A GLU 180.A N GLU 180.A OE2 no hydrogen 2.729 N/A TRP 181.A N PRO 178.A O no hydrogen 3.061 N/A ILE 182.A N PRO 178.A O no hydrogen 3.190 N/A ARG 183.A N PRO 179.A O no hydrogen 2.813 N/A ARG 183.A NE TYR 184.A OH no hydrogen 3.396 N/A ARG 183.A NH2 TYR 184.A OH no hydrogen 3.152 N/A TYR 184.A N GLU 180.A O no hydrogen 2.800 N/A HIS 185.A N TRP 181.A O no hydrogen 2.880 N/A HIS 185.A ND1 TRP 181.A O no hydrogen 3.037 N/A TYR 187.A N TYR 167.A O no hydrogen 3.176 N/A TYR 187.A OH ASP 169.A O no hydrogen 2.499 N/A SER 191.A OG HIS 188.A O no hydrogen 3.403 N/A ALA 192.A N HIS 188.A O no hydrogen 2.992 N/A ALA 193.A N GLY 189.A O no hydrogen 2.910 N/A VAL 194.A N ARG 190.A O no hydrogen 3.027 N/A TRP 195.A N SER 191.A O no hydrogen 3.164 N/A SER 196.A N ALA 192.A O no hydrogen 3.096 N/A SER 196.A OG ALA 193.A O no hydrogen 2.669 N/A LEU 197.A N ALA 193.A O no hydrogen 2.989 N/A GLY 198.A N VAL 194.A O no hydrogen 2.965 N/A ILE 199.A N TRP 195.A O no hydrogen 3.110 N/A LEU 200.A N SER 196.A O no hydrogen 2.911 N/A LEU 201.A N LEU 197.A O no hydrogen 2.859 N/A TYR 202.A N GLY 198.A O no hydrogen 3.107 N/A TYR 202.A OH PHE 223.A O no hydrogen 2.510 N/A ASP 203.A N ILE 199.A O no hydrogen 2.934 N/A MET 204.A N LEU 200.A O no hydrogen 2.909 N/A VAL 205.A N LEU 201.A O no hydrogen 3.061 N/A CYS 206.A N TYR 202.A O no hydrogen 2.792 N/A GLY 207.A N ASP 203.A O no hydrogen 2.791 N/A ILE 209.A N ASP 208.A OD1 no hydrogen 2.806 N/A GLU 212.A N GLU 216.A OE2 no hydrogen 2.630 N/A HIS 213.A N GLU 216.A OE2 no hydrogen 2.929 N/A GLU 216.A N HIS 213.A O no hydrogen 3.061 N/A ILE 217.A N HIS 213.A O no hydrogen 3.245 N/A ILE 218.A N ASP 214.A O no hydrogen 2.949 N/A ARG 219.A N GLU 215.A O no hydrogen 2.932 N/A GLY 220.A N GLU 216.A O no hydrogen 2.920 N/A ARG 225.A NE TYR 202.A OH no hydrogen 3.301 N/A GLN 226.A NE2 CYS 206.A O no hydrogen 3.612 N/A SER 229.A N GLU 110.A OE2 no hydrogen 2.737 N/A SER 229.A OG GLU 110.A OE1 no hydrogen 2.799 N/A CYS 232.A N SER 229.A OG no hydrogen 3.213 N/A GLN 233.A N SER 229.A O no hydrogen 2.930 N/A GLN 233.A NE2 VAL 228.A O no hydrogen 3.451 N/A HIS 234.A N SER 230.A O no hydrogen 2.993 N/A HIS 234.A ND1 HIS 256.A NE2 no hydrogen 2.894 N/A LEU 235.A N GLU 231.A O no hydrogen 3.090 N/A ILE 236.A N CYS 232.A O no hydrogen 2.979 N/A ARG 237.A N GLN 233.A O no hydrogen 2.906 N/A TRP 238.A N HIS 234.A O no hydrogen 2.913 N/A CYS 239.A N LEU 235.A O no hydrogen 2.949 N/A CYS 239.A SG LEU 235.A O no hydrogen 3.349 N/A LEU 240.A N ILE 236.A O no hydrogen 2.995 N/A ALA 241.A N TRP 238.A O no hydrogen 3.203 N/A ASP 246.A N ARG 243.A O no hydrogen 2.907 N/A ARG 247.A N PRO 244.A O no hydrogen 3.099 N/A ARG 247.A NE ALA 241.A O no hydrogen 2.768 N/A ARG 247.A NH1 GLU 180.A OE1 no hydrogen 2.854 N/A ARG 247.A NH1 GLU 180.A OE2 no hydrogen 3.548 N/A ARG 247.A NH1 SER 191.A O no hydrogen 2.977 N/A ARG 247.A NH2 GLU 180.A OE2 no hydrogen 2.680 N/A ARG 247.A NH2 ALA 241.A O no hydrogen 3.216 N/A THR 249.A N GLU 252.A OE1 no hydrogen 2.911 N/A GLU 252.A N THR 249.A OG1 no hydrogen 3.051 N/A ILE 253.A N THR 249.A O no hydrogen 2.952 N/A GLN 254.A N PHE 250.A O no hydrogen 3.001 N/A GLN 254.A NE2 GLU 122.A OE2 no hydrogen 2.751 N/A ASN 255.A N GLU 251.A O no hydrogen 2.877 N/A HIS 256.A N ILE 253.A O no hydrogen 3.065 N/A HIS 256.A NE2 HIS 234.A ND1 no hydrogen 2.894 N/A TRP 258.A N HIS 256.A ND1 no hydrogen 3.013 N/A TRP 258.A NE1 GLU 110.A OE1 no hydrogen 2.943 N/A MET 259.A N HIS 256.A O no hydrogen 2.940 N/A GLN 260.A N PRO 257.A O no hydrogen 3.385 N/A GLN 260.A NE2 GLN 254.A O no hydrogen 3.192 N/A GLN 260.A NE2 HIS 256.A O no hydrogen 2.858 N/A LEU 264.A N GLU 267.A OE1 no hydrogen 2.894 N/A GLN 266.A NE2 ASN 147.A O no hydrogen 3.103 N/A GLN 266.A NE2 GLN 266.A O no hydrogen 3.524 N/A THR 268.A N LEU 264.A O no hydrogen 2.893 N/A THR 268.A OG1 SER 115.A OG no hydrogen 2.656 N/A THR 268.A OG1 LEU 264.A O no hydrogen 2.736 N/A ALA 269.A N PRO 265.A O no hydrogen 2.993 N/A GLU 270.A N GLN 266.A O no hydrogen 2.958 N/A ILE 271.A N GLU 267.A O no hydrogen 2.914 N/A HIS 272.A N THR 268.A O no hydrogen 2.831 N/A HIS 272.A NE2 GLU 111.A OE1 no hydrogen 2.714 N/A LEU 273.A N ALA 269.A O no hydrogen 2.914 N/A HIS 274.A N ALA 269.A O no hydrogen 2.768 N/A HIS 274.A NE2 ASN 147.A O no hydrogen 3.183 N/A SER 275.A N LEU 273.A O no hydrogen 2.874 N/A SER 275.A OG SER 277.A O no hydrogen 3.480 N/A