Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 1f9u_A.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): GLY 1.A N GLY 278.A O no hydrogen 2.594 N/A GLY 1.A N SER 280.A O no hydrogen 2.773 N/A ARG 4.A N THR 282.A O no hydrogen 2.812 N/A VAL 5.A N ASP 55.A OD2 no hydrogen 2.774 N/A TYR 6.A N MET 284.A O no hydrogen 2.880 N/A TYR 6.A OH GLU 70.A O no hydrogen 3.363 N/A CYS 7.A N LYS 56.A O no hydrogen 3.010 N/A CYS 7.A SG VAL 286.A O no hydrogen 3.890 N/A ARG 8.A N VAL 286.A O no hydrogen 2.821 N/A ARG 8.A NH1 ASN 64.A OD1 no hydrogen 2.691 N/A ARG 8.A NH1 THR 99.A OG1 no hydrogen 2.835 N/A ARG 8.A NH2 ASP 62.A O no hydrogen 3.133 N/A ARG 8.A NH2 ASN 64.A OD1 no hydrogen 2.912 N/A ILE 9.A N PHE 58.A O no hydrogen 2.797 N/A ARG 10.A N ILE 288.A O no hydrogen 3.244 N/A ARG 10.A NE GLY 93.A O no hydrogen 2.705 N/A ARG 10.A NH1 PRO 11.A O no hydrogen 3.139 N/A ARG 10.A NH1 GLU 17.A OE1 no hydrogen 3.101 N/A ARG 10.A NH2 GLU 17.A OE2 no hydrogen 2.942 N/A ARG 10.A NH2 GLY 93.A O no hydrogen 3.195 N/A ALA 12.A N GLN 60.A OE1 no hydrogen 2.973 N/A LEU 13.A N GLU 17.A OE1 no hydrogen 2.976 N/A LEU 16.A N LEU 13.A O no hydrogen 3.224 N/A GLU 17.A N LEU 13.A O no hydrogen 3.112 N/A SER 19.A OG SER 19.A O no hydrogen 2.591 N/A SER 19.A OG SER 22.A O no hydrogen 2.822 N/A THR 21.A N SER 292.A OG no hydrogen 3.155 N/A SER 22.A OG SER 292.A OG no hydrogen 2.431 N/A LEU 23.A N THR 41.A O no hydrogen 2.840 N/A ASN 25.A N GLU 39.A O no hydrogen 2.683 N/A ASN 27.A N SER 37.A O no hydrogen 2.809 N/A ASN 27.A ND2 ASN 25.A OD1 no hydrogen 3.530 N/A ASP 30.A N VAL 35.A O no hydrogen 3.187 N/A ASN 32.A N ASP 30.A OD2 no hydrogen 3.189 N/A GLY 34.A N ASP 30.A O no hydrogen 2.552 N/A GLN 36.A N PHE 54.A O no hydrogen 2.670 N/A GLN 36.A NE2 ASN 27.A O no hydrogen 2.922 N/A GLN 36.A NE2 ILE 57.A O no hydrogen 3.606 N/A SER 37.A OG GLU 51.A OE1 no hydrogen 3.246 N/A SER 37.A OG PHE 52.A O no hydrogen 3.280 N/A MET 38.A N PHE 52.A O no hydrogen 3.003 N/A GLU 39.A N ASN 25.A O no hydrogen 2.661 N/A VAL 40.A N HIS 50.A O no hydrogen 2.980 N/A THR 41.A N LEU 23.A O no hydrogen 2.918 N/A ILE 43.A N THR 21.A O no hydrogen 3.011 N/A ASN 45.A N LYS 42.A O no hydrogen 3.039 N/A GLN 48.A N ASN 45.A O no hydrogen 2.869 N/A HIS 50.A N VAL 40.A O no hydrogen 2.839 N/A PHE 52.A N MET 38.A O no hydrogen 3.015 N/A PHE 54.A N GLN 36.A O no hydrogen 2.981 N/A ASP 55.A N VAL 5.A O no hydrogen 3.044 N/A ILE 57.A N GLN 36.A OE1 no hydrogen 3.120 N/A PHE 58.A N CYS 7.A O no hydrogen 2.815 N/A ASP 59.A N ASP 62.A OD2 no hydrogen 2.868 N/A GLN 61.A N ASP 59.A OD1 no hydrogen 2.689 N/A ASP 62.A N ASP 59.A O no hydrogen 2.826 N/A THR 63.A N ASP 66.A OD2 no hydrogen 2.785 N/A THR 63.A OG1 ASP 66.A OD2 no hydrogen 2.898 N/A ASN 64.A ND2 PHE 98.A O no hydrogen 3.211 N/A ASP 66.A N THR 63.A OG1 no hydrogen 3.057 N/A VAL 67.A N THR 63.A O no hydrogen 2.847 N/A PHE 68.A N ASN 64.A O no hydrogen 2.892 N/A LYS 69.A N ASP 66.A O no hydrogen 3.295 N/A LYS 69.A NZ ASP 66.A OD1 no hydrogen 3.173 N/A GLU 70.A N VAL 67.A O no hydrogen 2.959 N/A VAL 71.A N PHE 68.A O no hydrogen 2.754 N/A GLY 72.A N PHE 68.A O no hydrogen 2.822 N/A LEU 74.A N VAL 71.A O no hydrogen 2.855 N/A VAL 75.A N VAL 71.A O no hydrogen 3.133 N/A GLN 76.A N GLY 72.A O no hydrogen 3.122 N/A SER 77.A N LEU 74.A O no hydrogen 3.215 N/A SER 77.A OG LEU 74.A O no hydrogen 2.694 N/A SER 78.A N VAL 75.A O no hydrogen 3.283 N/A SER 78.A OG TYR 82.A O no hydrogen 3.183 N/A LEU 79.A N GLN 76.A O no hydrogen 3.093 N/A ASP 80.A N SER 77.A O no hydrogen 2.869 N/A GLY 81.A N SER 78.A O no hydrogen 3.227 N/A TYR 82.A N SER 77.A O no hydrogen 3.267 N/A ASN 83.A ND2 TYR 274.A O no hydrogen 3.123 N/A VAL 84.A N THR 223.A O no hydrogen 2.834 N/A CYS 85.A N LYS 281.A O no hydrogen 2.965 N/A CYS 85.A SG ASN 225.A OD1 no hydrogen 3.821 N/A CYS 85.A SG SER 275.A O no hydrogen 3.464 N/A ILE 86.A N ASN 225.A O no hydrogen 2.930 N/A PHE 87.A N LEU 283.A O no hydrogen 2.910 N/A ALA 88.A N VAL 227.A O no hydrogen 2.825 N/A TYR 89.A N PHE 285.A O no hydrogen 2.626 N/A THR 92.A N GLU 233.A OE1 no hydrogen 2.823 N/A THR 92.A OG1 GLU 233.A OE1 no hydrogen 3.309 N/A THR 92.A OG1 GLU 233.A OE2 no hydrogen 2.522 N/A SER 94.A N GLN 91.A O no hydrogen 2.899 N/A SER 94.A OG GLN 91.A O no hydrogen 2.677 N/A SER 94.A OG ASN 287.A O no hydrogen 3.481 N/A LYS 96.A NZ GLY 90.A O no hydrogen 2.911 N/A THR 97.A OG1 ASP 228.A OD2 no hydrogen 2.602 N/A THR 99.A N GLY 95.A O no hydrogen 3.056 N/A THR 99.A OG1 GLY 95.A O no hydrogen 2.912 N/A MET 100.A N LYS 96.A O no hydrogen 3.003 N/A LEU 101.A N THR 97.A O no hydrogen 2.703 N/A ASN 102.A N PHE 98.A O no hydrogen 3.020 N/A ASP 105.A N ASN 102.A O no hydrogen 2.897 N/A GLY 106.A N ASN 102.A O no hydrogen 2.569 N/A ILE 107.A N THR 99.A O no hydrogen 2.832 N/A ILE 108.A N MET 100.A O no hydrogen 2.948 N/A SER 110.A N GLY 106.A O no hydrogen 3.011 N/A SER 110.A OG ASP 105.A O no hydrogen 2.815 N/A SER 110.A OG GLY 106.A O no hydrogen 2.783 N/A THR 111.A N ILE 107.A O no hydrogen 2.905 N/A THR 111.A OG1 ILE 107.A O no hydrogen 2.497 N/A ILE 112.A N ILE 108.A O no hydrogen 3.077 N/A SER 113.A N PRO 109.A O no hydrogen 3.110 N/A SER 113.A OG PRO 109.A O no hydrogen 3.215 N/A HIS 114.A N SER 110.A O no hydrogen 2.879 N/A HIS 114.A NE2 GLN 76.A OE1 no hydrogen 2.991 N/A ILE 115.A N THR 111.A O no hydrogen 2.872 N/A PHE 116.A N ILE 112.A O no hydrogen 2.928 N/A ASN 117.A N SER 113.A O no hydrogen 2.975 N/A TRP 118.A N HIS 114.A O no hydrogen 2.999 N/A ILE 119.A N ILE 115.A O no hydrogen 2.759 N/A ASN 120.A N PHE 116.A O no hydrogen 3.157 N/A LYS 121.A N ASN 117.A O no hydrogen 3.038 N/A LEU 122.A N ILE 119.A O no hydrogen 3.048 N/A LYS 123.A N ASN 120.A O no hydrogen 2.920 N/A LYS 123.A NZ ASN 120.A OD1 no hydrogen 2.642 N/A THR 124.A OG1 LYS 121.A O no hydrogen 3.545 N/A LYS 125.A N LEU 122.A O no hydrogen 2.905 N/A GLY 126.A N LYS 123.A O no hydrogen 3.342 N/A ASP 128.A N SER 212.A O no hydrogen 2.882 N/A TYR 129.A OH LEU 79.A O no hydrogen 2.742 N/A LYS 130.A N SER 210.A O no hydrogen 2.643 N/A ASN 132.A N HIS 208.A O no hydrogen 3.225 N/A ASN 132.A ND2 HIS 208.A O no hydrogen 3.548 N/A CYS 133.A N CYS 168.A O no hydrogen 2.807 N/A CYS 133.A SG CYS 168.A O no hydrogen 3.885 N/A GLU 134.A N ILE 206.A O no hydrogen 3.006 N/A ILE 136.A N ILE 204.A O no hydrogen 3.038 N/A GLU 137.A N VAL 144.A O no hydrogen 2.942 N/A ILE 138.A N HIS 202.A O no hydrogen 2.669 N/A TYR 139.A N ASN 142.A O no hydrogen 2.982 N/A TYR 139.A OH GLU 238.A OE1 no hydrogen 2.789 N/A ASN 140.A ND2 GLU 238.A OE1 no hydrogen 3.232 N/A ASN 142.A N TYR 139.A O no hydrogen 3.056 N/A VAL 144.A N GLU 137.A O no hydrogen 2.892 N/A LEU 146.A N PHE 135.A O no hydrogen 2.822 N/A LEU 147.A N ASP 145.A OD1 no hydrogen 2.978 N/A HIS 149.A ND1 THR 163.A O no hydrogen 2.786 N/A GLU 150.A N THR 163.A OG1 no hydrogen 2.924 N/A ARG 152.A N THR 161.A O no hydrogen 2.706 N/A ARG 152.A NH1 GLU 150.A OE2 no hydrogen 3.146 N/A HIS 153.A ND1 THR 160.A OG1 no hydrogen 2.717 N/A HIS 153.A NE2 TYR 270.A O no hydrogen 2.921 N/A ASP 154.A N THR 159.A O no hydrogen 2.730 N/A GLN 155.A NE2 TYR 274.A OH no hydrogen 3.042 N/A GLU 156.A N ASP 154.A OD2 no hydrogen 2.709 N/A THR 157.A N ASP 154.A OD2 no hydrogen 3.037 N/A THR 157.A OG1 THR 159.A OG1 no hydrogen 2.577 N/A LYS 158.A N ASP 154.A O no hydrogen 2.550 N/A THR 159.A N ASP 154.A O no hydrogen 3.343 N/A THR 159.A OG1 THR 157.A OG1 no hydrogen 2.577 N/A THR 160.A OG1 HIS 153.A ND1 no hydrogen 2.717 N/A THR 161.A N ARG 152.A O no hydrogen 2.863 N/A THR 163.A N GLU 150.A O no hydrogen 2.798 N/A THR 163.A OG1 LYS 148.A O no hydrogen 3.196 N/A ASN 164.A ND2 LYS 148.A O no hydrogen 2.725 N/A THR 166.A N ASP 145.A OD2 no hydrogen 2.637 N/A THR 166.A OG1 ASP 145.A OD2 no hydrogen 2.634 N/A THR 166.A OG1 LEU 147.A O no hydrogen 3.305 N/A SER 167.A OG ASN 132.A OD1 no hydrogen 2.929 N/A SER 167.A OG CYS 133.A O no hydrogen 3.419 N/A SER 167.A OG GLU 134.A OE2 no hydrogen 2.798 N/A CYS 168.A N CYS 133.A O no hydrogen 2.888 N/A LEU 170.A N VAL 131.A O no hydrogen 2.719 N/A GLU 174.A N GLU 174.A OE1 no hydrogen 3.073 N/A MET 175.A N SER 172.A OG no hydrogen 2.764 N/A VAL 176.A N SER 172.A O no hydrogen 3.272 N/A GLU 177.A N GLU 173.A O no hydrogen 2.981 N/A ILE 178.A N GLU 174.A O no hydrogen 3.225 N/A ILE 179.A N MET 175.A O no hydrogen 3.066 N/A LEU 180.A N VAL 176.A O no hydrogen 2.861 N/A LYS 181.A N GLU 177.A O no hydrogen 2.815 N/A LYS 182.A N ILE 178.A O no hydrogen 2.932 N/A ALA 183.A N ILE 179.A O no hydrogen 2.735 N/A ASN 184.A N LEU 180.A O no hydrogen 2.972 N/A LYS 185.A N LYS 181.A O no hydrogen 3.459 N/A LYS 185.A NZ LYS 181.A O no hydrogen 2.591 N/A LEU 186.A N LYS 182.A O no hydrogen 3.164 N/A LEU 186.A N ALA 183.A O no hydrogen 3.189 N/A ARG 187.A N ALA 183.A O no hydrogen 3.039 N/A ARG 187.A NH1 GLU 137.A OE1 no hydrogen 2.594 N/A ARG 187.A NH2 SER 201.A OG no hydrogen 2.714 N/A SER 188.A N ASN 184.A O no hydrogen 2.625 N/A SER 188.A OG ASN 184.A OD1 no hydrogen 2.597 N/A ALA 193.A N ALA 190.A O no hydrogen 2.704 N/A HIS 197.A NE2 GLU 137.A OE2 no hydrogen 2.524 N/A SER 198.A N SER 194.A O no hydrogen 2.848 N/A SER 198.A OG LEU 186.A O no hydrogen 3.547 N/A SER 198.A OG SER 194.A O no hydrogen 2.757 N/A SER 199.A N ASN 195.A O no hydrogen 2.763 N/A SER 199.A N GLU 196.A O no hydrogen 3.208 N/A SER 199.A OG GLU 196.A O no hydrogen 2.560 N/A ARG 200.A N HIS 197.A O no hydrogen 3.091 N/A ARG 200.A NH1 GLY 231.A O no hydrogen 3.210 N/A ARG 200.A NH2 THR 92.A OG1 no hydrogen 3.287 N/A ARG 200.A NH2 GLY 231.A O no hydrogen 3.381 N/A SER 201.A N SER 198.A O no hydrogen 3.400 N/A SER 201.A OG GLU 137.A OE1 no hydrogen 3.173 N/A SER 201.A OG HIS 197.A O no hydrogen 3.275 N/A HIS 202.A N ILE 138.A O no hydrogen 2.938 N/A HIS 202.A NE2 SER 245.A OG no hydrogen 2.839 N/A SER 203.A N ASP 228.A O no hydrogen 2.969 N/A ILE 204.A N ILE 136.A O no hydrogen 2.735 N/A PHE 205.A N LEU 226.A O no hydrogen 3.014 N/A ILE 206.A N GLU 134.A O no hydrogen 2.899 N/A ILE 207.A N LEU 224.A O no hydrogen 2.728 N/A HIS 208.A N ASN 132.A O no hydrogen 2.895 N/A HIS 208.A ND1 THR 223.A OG1 no hydrogen 2.999 N/A HIS 208.A NE2 GLU 134.A OE1 no hydrogen 2.612 N/A LEU 209.A N GLY 222.A O no hydrogen 2.825 N/A SER 210.A N LYS 130.A O no hydrogen 2.902 N/A SER 210.A OG LYS 130.A O no hydrogen 3.547 N/A GLY 211.A N SER 220.A O no hydrogen 2.833 N/A SER 212.A N ASP 128.A O no hydrogen 2.923 N/A ASN 213.A N ALA 218.A O no hydrogen 2.840 N/A ASN 213.A ND2 LYS 125.A O no hydrogen 3.507 N/A THR 216.A N ASN 213.A OD1 no hydrogen 2.972 N/A GLY 217.A N ASN 213.A O no hydrogen 2.615 N/A SER 220.A N GLY 211.A O no hydrogen 2.676 N/A SER 220.A OG LEU 79.A O no hydrogen 3.215 N/A GLY 222.A N LEU 209.A O no hydrogen 3.055 N/A THR 223.A N ASN 83.A OD1 no hydrogen 2.972 N/A THR 223.A OG1 HIS 208.A ND1 no hydrogen 2.999 N/A LEU 224.A N ILE 207.A O no hydrogen 2.673 N/A ASN 225.A N VAL 84.A O no hydrogen 2.789 N/A LEU 226.A N PHE 205.A O no hydrogen 2.889 N/A VAL 227.A N ILE 86.A O no hydrogen 2.738 N/A ASP 228.A N SER 203.A O no hydrogen 2.924 N/A LEU 229.A N ALA 88.A O no hydrogen 3.215 N/A ALA 230.A N HIS 202.A ND1 no hydrogen 2.906 N/A GLY 231.A N SER 199.A O no hydrogen 2.788 N/A SER 232.A N GLY 90.A O no hydrogen 3.287 N/A GLU 233.A N GLU 233.A OE1 no hydrogen 2.747 N/A ARG 234.A N GLU 297.A OE2 no hydrogen 2.653 N/A THR 239.A N ARG 235.A O no hydrogen 2.876 N/A THR 239.A OG1 ARG 235.A O no hydrogen 2.928 N/A GLN 240.A N LEU 236.A O no hydrogen 2.923 N/A ASN 241.A N ARG 237.A O no hydrogen 2.922 N/A ASN 241.A ND2 ASN 140.A OD1 no hydrogen 2.850 N/A ILE 242.A N GLU 238.A O no hydrogen 2.995 N/A LYS 243.A N THR 239.A O no hydrogen 2.924 N/A LYS 243.A NZ ARG 234.A O no hydrogen 3.017 N/A LYS 244.A N GLN 240.A O no hydrogen 2.760 N/A SER 245.A N ASN 241.A O no hydrogen 2.844 N/A SER 245.A OG HIS 202.A NE2 no hydrogen 2.839 N/A LEU 246.A N ILE 242.A O no hydrogen 2.969 N/A SER 247.A N LYS 243.A O no hydrogen 2.985 N/A CYS 248.A N LYS 244.A O no hydrogen 2.752 N/A CYS 248.A SG PRO 262.A O no hydrogen 3.633 N/A CYS 248.A SG SER 266.A OG no hydrogen 3.420 N/A CYS 248.A SG THR 269.A OG1 no hydrogen 3.598 N/A LEU 249.A N SER 245.A O no hydrogen 2.968 N/A GLY 250.A N LEU 246.A O no hydrogen 3.176 N/A ASP 251.A N SER 247.A O no hydrogen 3.039 N/A VAL 252.A N CYS 248.A O no hydrogen 2.943 N/A ILE 253.A N LEU 249.A O no hydrogen 2.870 N/A HIS 254.A N GLY 250.A O no hydrogen 2.845 N/A HIS 254.A ND1 LYS 307.A O no hydrogen 2.961 N/A ALA 255.A N ASP 251.A O no hydrogen 2.761 N/A LEU 256.A N VAL 252.A O no hydrogen 2.780 N/A GLY 257.A N ILE 253.A O no hydrogen 3.027 N/A GLY 257.A N HIS 254.A O no hydrogen 2.882 N/A GLN 258.A N ALA 255.A O no hydrogen 3.012 N/A GLN 258.A NE2 SER 310.A O no hydrogen 2.941 N/A PHE 263.A N ILE 261.A O no hydrogen 2.854 N/A ASN 265.A N PRO 262.A O no hydrogen 3.100 N/A SER 266.A OG THR 269.A OG1 no hydrogen 2.492 N/A LYS 267.A N GLU 141.A OE1 no hydrogen 2.813 N/A THR 269.A N SER 266.A OG no hydrogen 3.287 N/A THR 269.A OG1 PHE 263.A O no hydrogen 2.670 N/A THR 269.A OG1 SER 266.A O no hydrogen 3.311 N/A THR 269.A OG1 SER 266.A OG no hydrogen 2.492 N/A TYR 270.A N SER 266.A O no hydrogen 3.059 N/A LEU 271.A N LYS 267.A O no hydrogen 2.939 N/A LEU 272.A N LEU 268.A O no hydrogen 3.057 N/A SER 275.A N LEU 272.A O no hydrogen 2.686 N/A SER 275.A OG ASN 225.A OD1 no hydrogen 2.945 N/A LEU 276.A N GLN 273.A O no hydrogen 3.085 N/A THR 277.A N GLN 273.A O no hydrogen 2.995 N/A THR 277.A OG1 GLN 273.A O no hydrogen 2.639 N/A SER 280.A N THR 277.A O no hydrogen 3.180 N/A SER 280.A OG TYR 274.A O no hydrogen 3.182 N/A SER 280.A OG THR 277.A O no hydrogen 2.577 N/A LYS 281.A N ASN 83.A O no hydrogen 2.984 N/A THR 282.A N ASN 2.A O no hydrogen 2.829 N/A LEU 283.A N CYS 85.A O no hydrogen 2.855 N/A MET 284.A N ARG 4.A O no hydrogen 2.763 N/A PHE 285.A N PHE 87.A O no hydrogen 2.646 N/A VAL 286.A N TYR 6.A O no hydrogen 2.882 N/A ASN 287.A N TYR 89.A O no hydrogen 2.656 N/A ASN 287.A ND2 THR 99.A OG1 no hydrogen 3.206 N/A ILE 288.A N ARG 8.A O no hydrogen 2.993 N/A SER 289.A OG HIS 294.A ND1 no hydrogen 2.655 N/A SER 291.A N SER 289.A OG no hydrogen 3.143 N/A SER 291.A OG ASN 18.A O no hydrogen 3.389 N/A SER 291.A OG SER 293.A OG no hydrogen 2.922 N/A SER 292.A N ASN 18.A O no hydrogen 2.803 N/A SER 292.A OG ASN 18.A O no hydrogen 3.485 N/A SER 292.A OG SER 22.A OG no hydrogen 2.431 N/A SER 293.A N SER 291.A OG no hydrogen 3.378 N/A SER 293.A OG SER 291.A OG no hydrogen 2.922 N/A HIS 294.A N SER 291.A O no hydrogen 3.213 N/A HIS 294.A ND1 SER 289.A OG no hydrogen 2.655 N/A ILE 295.A N SER 292.A O no hydrogen 3.290 N/A THR 298.A N HIS 294.A O no hydrogen 2.868 N/A THR 298.A OG1 SER 289.A O no hydrogen 3.387 N/A THR 298.A OG1 HIS 294.A O no hydrogen 3.017 N/A LEU 299.A N ILE 295.A O no hydrogen 2.984 N/A ASN 300.A N ASN 296.A O no hydrogen 3.153 N/A ASN 300.A ND2 GLU 297.A OE1 no hydrogen 2.798 N/A SER 301.A N GLU 297.A O no hydrogen 2.937 N/A SER 301.A OG GLU 297.A O no hydrogen 3.249 N/A LEU 302.A N THR 298.A O no hydrogen 2.945 N/A ARG 303.A N LEU 299.A O no hydrogen 2.986 N/A PHE 304.A N ASN 300.A O no hydrogen 2.962 N/A ALA 305.A N SER 301.A O no hydrogen 3.023 N/A SER 306.A N LEU 302.A O no hydrogen 3.100 N/A SER 306.A OG LEU 302.A O no hydrogen 2.742 N/A LYS 307.A N ARG 303.A O no hydrogen 3.123 N/A LYS 307.A NZ ASP 251.A OD1 no hydrogen 3.106 N/A VAL 308.A N PHE 304.A O no hydrogen 3.095 N/A ASN 309.A N SER 306.A O no hydrogen 3.277 N/A ASN 309.A ND2 LYS 53.A O no hydrogen 3.089 N/A SER 310.A N LYS 307.A O no hydrogen 3.113 N/A