Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 2bu2_A.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): LYS 5.A N SER 2.A O no hydrogen 3.121 N/A TYR 6.A N SER 2.A O no hydrogen 3.132 N/A ILE 7.A N ALA 3.A O no hydrogen 2.944 N/A GLU 8.A N PRO 4.A O no hydrogen 3.261 N/A HIS 9.A N LYS 5.A O no hydrogen 2.980 N/A HIS 9.A N TYR 6.A O no hydrogen 2.922 N/A PHE 10.A N TYR 6.A O no hydrogen 3.004 N/A SER 11.A N ILE 7.A O no hydrogen 2.910 N/A LYS 12.A N HIS 9.A O no hydrogen 2.951 N/A LYS 12.A NZ GLU 8.A O no hydrogen 3.343 N/A LYS 12.A NZ GLU 8.A OE2 no hydrogen 2.730 N/A PHE 13.A N PHE 10.A O no hydrogen 3.168 N/A SER 16.A N GLU 41.A OE2 no hydrogen 2.801 N/A LEU 18.A N GLU 335.A OE1 no hydrogen 2.841 N/A SER 19.A N GLN 22.A OE1 no hydrogen 2.727 N/A MET 20.A N SER 333.A O no hydrogen 2.816 N/A GLN 22.A N SER 19.A OG no hydrogen 3.146 N/A PHE 23.A N SER 19.A O no hydrogen 3.164 N/A LEU 24.A N MET 20.A O no hydrogen 2.985 N/A ASP 25.A N LYS 21.A O no hydrogen 2.612 N/A CYS 30.A N ASN 28.A OD1 no hydrogen 3.226 N/A SER 34.A OG HIS 157.A ND1 no hydrogen 2.632 N/A PHE 35.A N GLU 31.A O no hydrogen 2.433 N/A THR 36.A N LYS 32.A O no hydrogen 2.848 N/A THR 36.A OG1 LYS 32.A O no hydrogen 2.766 N/A THR 36.A OG1 THR 33.A O no hydrogen 3.210 N/A PHE 37.A N THR 33.A O no hydrogen 3.324 N/A LEU 38.A N SER 34.A O no hydrogen 2.678 N/A ARG 39.A N PHE 35.A O no hydrogen 3.006 N/A GLN 40.A N PHE 37.A O no hydrogen 3.345 N/A GLU 41.A N PHE 37.A O no hydrogen 2.985 N/A LEU 42.A N LEU 38.A O no hydrogen 3.029 N/A VAL 44.A N GLN 40.A O no hydrogen 3.151 N/A ARG 45.A N GLU 41.A O no hydrogen 2.896 N/A ARG 45.A NE GLU 41.A OE2 no hydrogen 3.037 N/A ARG 45.A NH1 SER 149.A OG no hydrogen 3.282 N/A ARG 45.A NH1 GLU 335.A OE2 no hydrogen 3.046 N/A ARG 45.A NH2 SER 16.A O no hydrogen 3.089 N/A ARG 45.A NH2 GLU 335.A OE1 no hydrogen 2.925 N/A LEU 46.A N LEU 42.A O no hydrogen 2.754 N/A ALA 47.A N PRO 43.A O no hydrogen 3.014 N/A ASN 48.A N VAL 44.A O no hydrogen 3.069 N/A ILE 49.A N ARG 45.A O no hydrogen 3.191 N/A MET 50.A N LEU 46.A O no hydrogen 2.923 N/A LYS 51.A N ALA 47.A O no hydrogen 2.732 N/A LYS 51.A NZ TYR 340.A OH no hydrogen 3.170 N/A GLU 52.A N ASN 48.A O no hydrogen 3.207 N/A ILE 53.A N ILE 49.A O no hydrogen 3.132 N/A ASN 54.A N MET 50.A O no hydrogen 3.101 N/A LEU 55.A N GLU 52.A O no hydrogen 3.133 N/A LEU 56.A N ILE 53.A O no hydrogen 2.916 N/A ARG 59.A NH2 TYR 122.A OH no hydrogen 3.530 N/A VAL 60.A N PRO 57.A O no hydrogen 2.920 N/A LEU 61.A N PRO 57.A O no hydrogen 2.906 N/A SER 62.A N ASP 58.A O no hydrogen 2.829 N/A SER 62.A OG ASP 58.A O no hydrogen 3.163 N/A SER 62.A OG ASP 58.A OD1 no hydrogen 3.241 N/A SER 62.A OG ASP 58.A OD2 no hydrogen 3.284 N/A THR 63.A N VAL 60.A O no hydrogen 3.340 N/A THR 63.A OG1 VAL 60.A O no hydrogen 2.861 N/A SER 65.A OG THR 63.A OG1 no hydrogen 3.340 N/A SER 65.A OG GLU 121.A OE1 no hydrogen 3.515 N/A VAL 66.A N THR 63.A OG1 no hydrogen 3.277 N/A GLN 67.A N THR 63.A O no hydrogen 3.055 N/A LEU 68.A N PRO 64.A O no hydrogen 2.884 N/A LEU 68.A N SER 65.A O no hydrogen 3.144 N/A VAL 69.A N SER 65.A O no hydrogen 3.273 N/A GLN 70.A N VAL 66.A O no hydrogen 2.714 N/A GLN 70.A NE2 ASN 54.A OD1 no hydrogen 2.416 N/A SER 71.A N LEU 68.A O no hydrogen 3.082 N/A SER 71.A OG LEU 68.A O no hydrogen 2.567 N/A TRP 72.A N LEU 68.A O no hydrogen 3.061 N/A TYR 73.A N VAL 69.A O no hydrogen 3.065 N/A VAL 74.A N GLN 70.A O no hydrogen 3.296 N/A GLN 75.A N SER 71.A O no hydrogen 3.085 N/A SER 76.A N TRP 72.A O no hydrogen 2.851 N/A SER 76.A OG TRP 72.A O no hydrogen 3.311 N/A SER 76.A OG HIS 108.A NE2 no hydrogen 2.648 N/A LEU 77.A N TYR 73.A O no hydrogen 2.908 N/A LEU 78.A N VAL 74.A O no hydrogen 3.114 N/A ASP 79.A N GLN 75.A O no hydrogen 2.738 N/A ILE 80.A N SER 76.A O no hydrogen 3.010 N/A ILE 80.A N LEU 77.A O no hydrogen 3.175 N/A MET 81.A N LEU 77.A O no hydrogen 3.229 N/A MET 81.A N LEU 78.A O no hydrogen 3.246 N/A LEU 84.A N MET 81.A O no hydrogen 2.470 N/A LYS 86.A N PHE 83.A O no hydrogen 3.309 N/A LYS 86.A NZ GLU 82.A O no hydrogen 3.081 N/A LYS 86.A NZ ASP 85.A OD1 no hydrogen 3.073 N/A ASP 90.A N PRO 88.A O no hydrogen 2.273 N/A HIS 91.A ND1 GLU 89.A O no hydrogen 3.048 N/A THR 93.A N ASP 90.A O no hydrogen 2.675 N/A THR 93.A OG1 ASP 87.A O no hydrogen 3.483 N/A THR 93.A OG1 ASP 90.A OD2 no hydrogen 2.918 N/A SER 95.A OG HIS 91.A O no hydrogen 3.517 N/A SER 95.A OG ARG 92.A O no hydrogen 3.041 N/A THR 98.A OG1 LEU 94.A O no hydrogen 3.258 N/A ALA 100.A N GLN 96.A O no hydrogen 2.994 N/A LEU 101.A N PHE 97.A O no hydrogen 2.758 N/A LEU 101.A N THR 98.A O no hydrogen 3.187 N/A VAL 102.A N THR 98.A O no hydrogen 3.082 N/A THR 103.A N ASP 99.A O no hydrogen 3.068 N/A THR 103.A OG1 ASP 99.A O no hydrogen 2.992 N/A ILE 104.A N ALA 100.A O no hydrogen 3.224 N/A ARG 105.A N LEU 101.A O no hydrogen 2.857 N/A ARG 105.A NH1 ASN 155.A OD1 no hydrogen 2.822 N/A ARG 105.A NH1 THR 158.A OG1 no hydrogen 3.219 N/A ASN 106.A N VAL 102.A O no hydrogen 3.209 N/A ARG 107.A N THR 103.A O no hydrogen 3.097 N/A ARG 107.A NH1 SER 76.A OG no hydrogen 3.165 N/A ARG 107.A NH1 ASP 79.A OD2 no hydrogen 2.946 N/A ARG 107.A NH2 ASP 79.A OD2 no hydrogen 2.735 N/A HIS 108.A N ILE 104.A O no hydrogen 3.298 N/A HIS 108.A N ARG 105.A O no hydrogen 3.234 N/A HIS 108.A NE2 SER 76.A OG no hydrogen 2.648 N/A ASN 109.A N ASN 106.A O no hydrogen 3.255 N/A ASN 109.A ND2 ASN 106.A OD1 no hydrogen 3.063 N/A VAL 111.A N HIS 108.A O no hydrogen 3.205 N/A THR 114.A N ASP 110.A O no hydrogen 3.328 N/A THR 114.A OG1 ASP 110.A O no hydrogen 2.637 N/A MET 115.A N VAL 111.A O no hydrogen 2.723 N/A ALA 116.A N VAL 112.A O no hydrogen 2.927 N/A GLN 117.A N PRO 113.A O no hydrogen 3.136 N/A GLN 117.A N THR 114.A O no hydrogen 3.091 N/A GLY 118.A N MET 115.A O no hydrogen 2.883 N/A VAL 119.A N MET 115.A O no hydrogen 3.033 N/A LEU 120.A N ALA 116.A O no hydrogen 3.097 N/A GLU 121.A N GLN 117.A O no hydrogen 2.981 N/A TYR 122.A N GLY 118.A O no hydrogen 2.884 N/A LYS 123.A N VAL 119.A O no hydrogen 2.832 N/A LYS 123.A NZ THR 288.A O no hydrogen 2.851 N/A ASP 124.A N LEU 120.A O no hydrogen 3.065 N/A THR 125.A N GLU 121.A O no hydrogen 2.714 N/A THR 125.A OG1 GLU 121.A O no hydrogen 2.818 N/A TYR 126.A N TYR 122.A O no hydrogen 2.807 N/A GLY 127.A N TYR 122.A O no hydrogen 3.313 N/A ASP 129.A N SER 132.A OG no hydrogen 3.335 N/A SER 132.A N ASP 129.A OD2 no hydrogen 3.448 N/A SER 132.A OG ASP 129.A O no hydrogen 2.948 N/A SER 132.A OG ASP 129.A OD1 no hydrogen 2.830 N/A ASN 133.A N ASP 129.A O no hydrogen 2.903 N/A GLN 134.A N PRO 130.A O no hydrogen 2.895 N/A ASN 135.A N VAL 131.A O no hydrogen 2.925 N/A ILE 136.A N SER 132.A O no hydrogen 3.009 N/A GLN 137.A N ASN 133.A O no hydrogen 2.762 N/A GLN 137.A NE2 PHE 282.A O no hydrogen 2.742 N/A TYR 138.A N GLN 134.A O no hydrogen 2.776 N/A PHE 139.A N ASN 135.A O no hydrogen 2.912 N/A LEU 140.A N ILE 136.A O no hydrogen 2.780 N/A ASP 141.A N GLN 137.A O no hydrogen 2.931 N/A ARG 142.A N TYR 138.A O no hydrogen 3.303 N/A ARG 142.A NE GLU 52.A OE2 no hydrogen 2.621 N/A ARG 142.A NH2 GLU 52.A OE1 no hydrogen 3.419 N/A ARG 142.A NH2 GLU 52.A OE2 no hydrogen 3.535 N/A ARG 142.A NH2 VAL 339.A O no hydrogen 2.965 N/A PHE 143.A N PHE 139.A O no hydrogen 2.768 N/A TYR 144.A N LEU 140.A O no hydrogen 2.851 N/A LEU 145.A N ASP 141.A O no hydrogen 2.967 N/A SER 146.A N ARG 142.A O no hydrogen 2.849 N/A ARG 147.A N PHE 143.A O no hydrogen 2.997 N/A ARG 147.A NH2 HIS 108.A O no hydrogen 3.084 N/A ILE 148.A N TYR 144.A O no hydrogen 2.926 N/A SER 149.A N LEU 145.A O no hydrogen 3.007 N/A SER 149.A OG SER 146.A O no hydrogen 2.704 N/A ILE 150.A N SER 146.A O no hydrogen 3.065 N/A ARG 151.A N ARG 147.A O no hydrogen 2.898 N/A MET 152.A N ILE 148.A O no hydrogen 2.952 N/A LEU 153.A N SER 149.A O no hydrogen 3.288 N/A ILE 154.A N ILE 150.A O no hydrogen 3.028 N/A ASN 155.A N ARG 151.A O no hydrogen 2.943 N/A GLN 156.A N MET 152.A O no hydrogen 2.903 N/A GLN 156.A NE2 ILE 166.A O no hydrogen 2.921 N/A HIS 157.A N LEU 153.A O no hydrogen 3.029 N/A HIS 157.A ND1 SER 34.A OG no hydrogen 2.632 N/A THR 158.A N ILE 154.A O no hydrogen 2.903 N/A THR 158.A OG1 ILE 154.A O no hydrogen 3.265 N/A THR 158.A OG1 ASN 155.A O no hydrogen 3.440 N/A LEU 159.A N ASN 155.A O no hydrogen 2.995 N/A ILE 160.A N GLN 156.A O no hydrogen 3.190 N/A PHE 161.A N HIS 157.A O no hydrogen 2.965 N/A ILE 166.A N ILE 169.A O no hydrogen 2.923 N/A SER 168.A N GLN 156.A OE1 no hydrogen 2.619 N/A SER 168.A OG GLN 156.A OE1 no hydrogen 3.148 N/A ILE 169.A N ILE 166.A O no hydrogen 3.312 N/A ASP 170.A N TYR 218.A O no hydrogen 2.822 N/A ASN 172.A N ASP 170.A OD1 no hydrogen 2.774 N/A CYS 173.A N MET 216.A O no hydrogen 2.826 N/A SER 176.A OG GLU 204.A OE2 no hydrogen 2.508 N/A GLU 177.A N ASN 174.A O no hydrogen 2.817 N/A VAL 178.A N ASN 174.A O no hydrogen 3.255 N/A VAL 179.A N VAL 175.A O no hydrogen 2.933 N/A LYS 180.A N SER 176.A O no hydrogen 2.970 N/A ASP 181.A N GLU 177.A O no hydrogen 3.019 N/A ALA 182.A N VAL 178.A O no hydrogen 2.941 N/A TYR 183.A N VAL 179.A O no hydrogen 2.875 N/A TYR 183.A OH PRO 198.A O no hydrogen 2.598 N/A ASP 184.A N LYS 180.A O no hydrogen 2.814 N/A MET 185.A N ASP 181.A O no hydrogen 2.947 N/A ALA 186.A N ALA 182.A O no hydrogen 2.976 N/A LYS 187.A N TYR 183.A O no hydrogen 2.749 N/A LEU 188.A N ASP 184.A O no hydrogen 3.063 N/A LEU 189.A N MET 185.A O no hydrogen 3.346 N/A CYS 190.A N ALA 186.A O no hydrogen 2.855 N/A CYS 190.A SG ALA 196.A O no hydrogen 3.605 N/A ASP 191.A N LYS 187.A O no hydrogen 2.672 N/A LYS 192.A N LEU 188.A O no hydrogen 3.143 N/A TYR 193.A N LEU 189.A O no hydrogen 3.160 N/A TYR 194.A N CYS 190.A O no hydrogen 2.773 N/A TYR 194.A OH GLU 240.A OE1 no hydrogen 2.778 N/A MET 195.A N ASP 191.A O no hydrogen 2.614 N/A SER 197.A OG ASP 191.A OD1 no hydrogen 2.943 N/A GLU 201.A N ILE 251.A O no hydrogen 3.152 N/A GLN 203.A N VAL 253.A O no hydrogen 2.942 N/A ILE 205.A N VAL 255.A O no hydrogen 2.744 N/A ASN 206.A ND2 GLN 212.A O no hydrogen 3.058 N/A ALA 207.A N LEU 257.A O no hydrogen 3.211 N/A ASN 209.A N ASN 206.A OD1 no hydrogen 3.181 N/A ASN 209.A ND2 GLN 212.A OE1 no hydrogen 3.334 N/A GLN 212.A N ASN 209.A O no hydrogen 2.972 N/A ILE 214.A N GLU 204.A OE1 no hydrogen 2.984 N/A HIS 215.A ND1 ASN 172.A O no hydrogen 3.328 N/A MET 216.A N CYS 173.A O no hydrogen 2.997 N/A TYR 218.A N ASP 170.A O no hydrogen 3.027 N/A LEU 223.A N VAL 219.A O no hydrogen 3.269 N/A TYR 224.A N PRO 220.A O no hydrogen 2.832 N/A HIS 225.A N SER 221.A O no hydrogen 2.962 N/A MET 226.A N HIS 222.A O no hydrogen 3.171 N/A LEU 227.A N LEU 223.A O no hydrogen 2.954 N/A PHE 228.A N TYR 224.A O no hydrogen 2.698 N/A GLU 229.A N HIS 225.A O no hydrogen 2.968 N/A LEU 230.A N MET 226.A O no hydrogen 3.005 N/A PHE 231.A N LEU 227.A O no hydrogen 2.769 N/A LYS 232.A N PHE 228.A O no hydrogen 3.029 N/A LYS 232.A NZ GLU 229.A OE1 no hydrogen 3.190 N/A LYS 232.A NZ GLU 229.A OE2 no hydrogen 2.854 N/A ASN 233.A N GLU 229.A O no hydrogen 3.275 N/A ALA 234.A N LEU 230.A O no hydrogen 3.065 N/A MET 235.A N PHE 231.A O no hydrogen 2.878 N/A ARG 236.A N LYS 232.A O no hydrogen 3.033 N/A ALA 237.A N ASN 233.A O no hydrogen 2.970 N/A THR 238.A N ALA 234.A O no hydrogen 2.908 N/A THR 238.A OG1 ALA 234.A O no hydrogen 2.697 N/A VAL 239.A N MET 235.A O no hydrogen 2.917 N/A GLU 240.A N ARG 236.A O no hydrogen 2.844 N/A SER 241.A N ALA 237.A O no hydrogen 3.089 N/A SER 241.A OG ALA 237.A O no hydrogen 2.773 N/A SER 241.A OG THR 238.A O no hydrogen 3.336 N/A SER 241.A OG HIS 242.A ND1 no hydrogen 2.852 N/A HIS 242.A N VAL 239.A O no hydrogen 3.244 N/A HIS 242.A ND1 THR 238.A O no hydrogen 2.878 N/A HIS 242.A ND1 SER 241.A OG no hydrogen 2.852 N/A SER 245.A N HIS 242.A O no hydrogen 3.339 N/A ILE 247.A N SER 245.A OG no hydrogen 3.134 N/A ILE 251.A N ASP 199.A O no hydrogen 2.926 N/A LYS 252.A N SER 267.A O no hydrogen 2.968 N/A VAL 253.A N GLU 201.A O no hydrogen 2.812 N/A MET 254.A N LYS 265.A O no hydrogen 2.843 N/A VAL 255.A N GLN 203.A O no hydrogen 2.801 N/A ALA 256.A N SER 263.A O no hydrogen 2.790 N/A LEU 257.A N ILE 205.A O no hydrogen 2.941 N/A GLY 258.A N ASP 261.A O no hydrogen 2.776 N/A LEU 262.A N LEU 326.A O no hydrogen 2.781 N/A SER 263.A N ALA 256.A O no hydrogen 2.770 N/A ILE 264.A N ILE 324.A O no hydrogen 2.900 N/A LYS 265.A N MET 254.A O no hydrogen 2.836 N/A MET 266.A N ALA 322.A O no hydrogen 2.809 N/A SER 267.A N LYS 252.A O no hydrogen 2.696 N/A SER 267.A OG ASP 321.A OD1 no hydrogen 3.095 N/A ASP 268.A N THR 320.A O no hydrogen 3.025 N/A GLY 270.A N ASP 268.A OD1 no hydrogen 2.994 N/A GLY 271.A N PHE 318.A O no hydrogen 3.302 N/A VAL 273.A N SER 314.A OG no hydrogen 2.621 N/A LYS 277.A N PRO 274.A O no hydrogen 2.750 N/A ILE 278.A N PRO 274.A O no hydrogen 3.242 N/A ARG 280.A N LYS 277.A O no hydrogen 3.045 N/A LEU 281.A N ILE 278.A O no hydrogen 3.153 N/A SER 283.A N ARG 280.A O no hydrogen 3.027 N/A SER 283.A OG ASN 133.A OD1 no hydrogen 2.659 N/A TYR 284.A N GLN 137.A OE1 no hydrogen 3.059 N/A TYR 284.A OH ASP 141.A OD1 no hydrogen 3.306 N/A TYR 286.A N SER 283.A OG no hydrogen 3.084 N/A SER 287.A N SER 283.A O no hydrogen 3.024 N/A SER 287.A OG SER 283.A O no hydrogen 2.412 N/A SER 287.A OG TYR 284.A O no hydrogen 3.330 N/A THR 288.A N MET 285.A O no hydrogen 3.303 N/A THR 288.A OG1 TYR 284.A O no hydrogen 2.522 N/A THR 288.A OG1 TYR 294.A OH no hydrogen 3.030 N/A TYR 294.A OH THR 288.A OG1 no hydrogen 3.030 N/A ILE 298.A N TYR 294.A O no hydrogen 2.925 N/A SER 299.A N GLY 295.A O no hydrogen 2.847 N/A SER 299.A OG GLY 295.A O no hydrogen 2.732 N/A ARG 300.A N LEU 296.A O no hydrogen 2.878 N/A LEU 301.A N PRO 297.A O no hydrogen 3.254 N/A TYR 302.A N ILE 298.A O no hydrogen 3.163 N/A ALA 303.A N SER 299.A O no hydrogen 3.167 N/A LYS 304.A N ARG 300.A O no hydrogen 2.859 N/A TYR 305.A N LEU 301.A O no hydrogen 2.781 N/A TYR 305.A OH GLU 335.A OE2 no hydrogen 2.423 N/A GLN 307.A N LYS 304.A O no hydrogen 2.802 N/A GLN 307.A NE2 VAL 334.A O no hydrogen 3.107 N/A GLY 308.A N ALA 303.A O no hydrogen 2.803 N/A ASP 309.A N TYR 325.A O no hydrogen 2.777 N/A LEU 310.A N ASP 309.A OD1 no hydrogen 2.737 N/A GLN 311.A N VAL 323.A O no hydrogen 2.884 N/A GLN 311.A NE2 ASP 309.A OD2 no hydrogen 3.283 N/A PHE 313.A N ASP 321.A O no hydrogen 2.985 N/A SER 314.A OG GLY 319.A O no hydrogen 3.038 N/A SER 314.A OG THR 320.A OG1 no hydrogen 2.648 N/A MET 315.A N GLY 319.A O no hydrogen 2.881 N/A GLY 317.A N GLY 271.A O no hydrogen 2.625 N/A PHE 318.A N MET 315.A O no hydrogen 2.894 N/A GLY 319.A N MET 315.A O no hydrogen 3.314 N/A THR 320.A N ASP 268.A O no hydrogen 3.154 N/A THR 320.A N ASP 268.A OD1 no hydrogen 2.968 N/A THR 320.A OG1 SER 314.A OG no hydrogen 2.648 N/A ASP 321.A N PHE 313.A O no hydrogen 2.812 N/A ALA 322.A N MET 266.A O no hydrogen 2.985 N/A VAL 323.A N GLN 311.A O no hydrogen 2.757 N/A ILE 324.A N ILE 264.A O no hydrogen 2.834 N/A TYR 325.A N ASP 309.A O no hydrogen 2.816 N/A LEU 326.A N LEU 262.A O no hydrogen 2.978 N/A ALA 328.A N GLU 260.A O no hydrogen 2.790 N/A ASP 332.A N LEU 329.A O no hydrogen 2.926 N/A SER 333.A N SER 330.A O no hydrogen 3.400 N/A SER 333.A OG LEU 329.A O no hydrogen 3.256 N/A VAL 334.A N ASP 332.A O no hydrogen 3.035 N/A GLU 335.A N LEU 18.A O no hydrogen 2.955 N/A ARG 336.A N TYR 305.A O no hydrogen 2.689 N/A TRP 345.A N ASN 341.A O no hydrogen 3.217 N/A HIS 347.A ND1 SER 343.A O no hydrogen 2.749 N/A TYR 348.A N TRP 345.A O no hydrogen 3.271 N/A TYR 348.A OH GLU 52.A OE2 no hydrogen 2.502 N/A THR 350.A OG1 HIS 347.A O no hydrogen 3.459 N/A ASP 356.A N ASP 356.A OD1 no hydrogen 2.433 N/A