Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 3h14_A.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): SER 7.A N SER 4.A OG no hydrogen 3.238 N/A SER 7.A OG SER 4.A O no hydrogen 2.730 N/A ALA 8.A N SER 5.A O no hydrogen 3.074 N/A ASP 10.A N GLN 115.A OE1 no hydrogen 2.966 N/A ILE 13.A N ASP 325.A OD1 no hydrogen 2.728 N/A VAL 14.A N ASP 325.A OD2 no hydrogen 3.059 N/A ALA 18.A N ASP 15.A O no hydrogen 2.922 N/A ALA 19.A N VAL 16.A O no hydrogen 2.642 N/A ARG 21.A N GLU 17.A O no hydrogen 2.868 N/A ALA 22.A N ALA 18.A O no hydrogen 2.927 N/A GLU 23.A N ALA 19.A O no hydrogen 2.987 N/A GLU 24.A N ARG 20.A O no hydrogen 2.922 N/A ALA 25.A N ARG 21.A O no hydrogen 3.147 N/A ALA 25.A N ALA 22.A O no hydrogen 3.098 N/A GLY 26.A N GLU 23.A O no hydrogen 2.847 N/A ARG 27.A N ALA 22.A O no hydrogen 3.150 N/A ILE 30.A N GLY 317.A O no hydrogen 2.989 N/A HIS 31.A ND1 GLU 32.A OE2 no hydrogen 2.589 N/A HIS 31.A NE2 GLU 23.A OE2 no hydrogen 2.665 N/A GLY 37.A N ALA 340.A O no hydrogen 3.165 N/A THR 38.A OG1 SER 215.A OG no hydrogen 2.647 N/A ARG 42.A N GLU 259.A OE1 no hydrogen 2.864 N/A VAL 45.A N PRO 41.A O no hydrogen 3.097 N/A GLU 46.A N ARG 42.A O no hydrogen 2.821 N/A ALA 47.A N GLY 43.A O no hydrogen 3.008 N/A LEU 48.A N ALA 44.A O no hydrogen 3.177 N/A ALA 49.A N VAL 45.A O no hydrogen 2.916 N/A LYS 50.A N GLU 46.A O no hydrogen 2.935 N/A SER 51.A N ALA 47.A O no hydrogen 3.168 N/A SER 51.A OG LEU 48.A O no hydrogen 2.722 N/A LEU 52.A N LEU 48.A O no hydrogen 2.907 N/A GLU 53.A N ALA 49.A O no hydrogen 3.189 N/A LEU 55.A N GLN 247.A OE1 no hydrogen 2.790 N/A ARG 59.A N LEU 55.A O no hydrogen 3.076 N/A ARG 59.A NE VAL 79.A O no hydrogen 2.631 N/A ARG 59.A NH2 VAL 79.A O no hydrogen 3.051 N/A GLN 60.A N PRO 56.A O no hydrogen 2.929 N/A ARG 61.A N ALA 57.A O no hydrogen 2.864 N/A ARG 61.A NE ASP 255.A OD1 no hydrogen 3.017 N/A ARG 61.A NH1 ARG 61.A O no hydrogen 2.993 N/A ARG 61.A NH2 ASP 255.A OD1 no hydrogen 3.124 N/A ILE 62.A N LEU 58.A O no hydrogen 2.906 N/A ALA 63.A N ARG 59.A O no hydrogen 3.074 N/A ARG 64.A N GLN 60.A O no hydrogen 3.089 N/A ARG 64.A NE GLU 68.A OE2 no hydrogen 3.114 N/A LEU 65.A N ARG 61.A O no hydrogen 3.118 N/A TYR 66.A N ILE 62.A O no hydrogen 3.187 N/A TYR 66.A N ALA 63.A O no hydrogen 3.116 N/A GLU 68.A N ARG 64.A O no hydrogen 3.011 N/A TRP 69.A N LEU 65.A O no hydrogen 2.711 N/A TYR 70.A N TYR 66.A O no hydrogen 3.038 N/A TYR 70.A OH HIS 186.A ND1 no hydrogen 2.458 N/A GLY 71.A N GLY 67.A O no hydrogen 2.851 N/A VAL 72.A N TYR 66.A O no hydrogen 3.058 N/A GLY 77.A N ASP 75.A OD1 no hydrogen 3.243 N/A ARG 78.A N ASP 75.A O no hydrogen 3.056 N/A ARG 78.A NE VAL 224.A O no hydrogen 2.930 N/A ARG 78.A NH1 ASP 202.A OD1 no hydrogen 3.115 N/A ARG 78.A NH2 ASP 202.A OD1 no hydrogen 2.989 N/A VAL 79.A N PRO 76.A O no hydrogen 3.080 N/A THR 82.A N GLY 221.A O no hydrogen 2.821 N/A THR 82.A OG1 GLY 84.A O no hydrogen 2.810 N/A GLY 84.A N THR 82.A OG1 no hydrogen 3.274 N/A SER 85.A OG.A ASN 208.A O no hydrogen 3.183 N/A GLY 88.A N GLY 84.A O no hydrogen 3.162 N/A PHE 89.A N SER 85.A O no hydrogen 2.770 N/A LEU 90.A N SER 86.A O no hydrogen 2.909 N/A LEU 91.A N GLY 87.A O no hydrogen 3.022 N/A ALA 92.A N GLY 88.A O no hydrogen 2.821 N/A PHE 93.A N PHE 89.A O no hydrogen 2.838 N/A THR 94.A N LEU 90.A O no hydrogen 2.999 N/A THR 94.A OG1 LEU 90.A O no hydrogen 2.650 N/A ALA 95.A N LEU 91.A O no hydrogen 3.013 N/A LEU 96.A N ALA 92.A O no hydrogen 3.071 N/A PHE 97.A N PHE 93.A O no hydrogen 2.992 N/A ASP 98.A N ASP 101.A OD2 no hydrogen 2.815 N/A GLY 100.A N GLY 121.A O no hydrogen 2.995 N/A ASP 101.A N ASP 98.A O no hydrogen 2.875 N/A VAL 103.A N VAL 123.A O no hydrogen 2.915 N/A GLY 104.A N GLY 149.A O no hydrogen 2.793 N/A ILE 105.A N VAL 125.A O no hydrogen 2.988 N/A ALA 107.A N LEU 127.A O no hydrogen 2.845 N/A GLY 109.A N PHE 326.A O no hydrogen 3.063 N/A TYR 113.A N TYR 110.A O no hydrogen 3.216 N/A TYR 113.A OH ASP 182.A OD2 no hydrogen 2.554 N/A ARG 114.A NE ASP 126.A OD1 no hydrogen 3.496 N/A ARG 114.A NE ASP 126.A OD2 no hydrogen 3.107 N/A ARG 114.A NH1 ASP 325.A O no hydrogen 2.877 N/A ARG 114.A NH2 ASP 126.A OD1 no hydrogen 3.092 N/A ARG 114.A NH2 PHE 326.A O no hydrogen 3.130 N/A GLN 115.A NE2 ASP 10.A OD2 no hydrogen 3.124 N/A ILE 116.A N SER 112.A O no hydrogen 2.888 N/A LEU 117.A N TYR 113.A O no hydrogen 3.073 N/A ARG 118.A N ARG 114.A O no hydrogen 3.092 N/A ARG 118.A NH1 SER 5.A O no hydrogen 2.648 N/A ARG 118.A NH2 SER 5.A O no hydrogen 3.017 N/A ALA 119.A N GLN 115.A O no hydrogen 2.829 N/A LEU 120.A N ILE 116.A O no hydrogen 3.168 N/A LEU 120.A N LEU 117.A O no hydrogen 3.273 N/A GLY 121.A N ARG 118.A O no hydrogen 2.987 N/A LEU 122.A N LEU 117.A O no hydrogen 2.847 N/A VAL 123.A N ASP 101.A O no hydrogen 2.821 N/A VAL 125.A N VAL 103.A O no hydrogen 2.912 N/A LEU 127.A N ILE 105.A O no hydrogen 2.795 N/A THR 129.A N ALA 107.A O no hydrogen 3.085 N/A THR 129.A OG1 ALA 107.A O no hydrogen 3.180 N/A GLU 132.A N GLU 132.A OE1 no hydrogen 2.783 N/A ASN 133.A N ALA 130.A O no hydrogen 2.868 N/A ARG 134.A N PRO 131.A O no hydrogen 2.754 N/A ARG 134.A NE ASP 289.A OD2 no hydrogen 2.684 N/A ARG 134.A NH1 ASP 289.A OD1 no hydrogen 2.885 N/A LEU 135.A N ALA 130.A O no hydrogen 3.069 N/A GLN 136.A N ASN 133.A O no hydrogen 3.323 N/A GLN 136.A NE2 ALA 152.A O no hydrogen 2.899 N/A GLN 136.A NE2 THR 160.A O no hydrogen 3.235 N/A GLN 136.A NE2 THR 160.A OG1 no hydrogen 3.272 N/A VAL 138.A N ASP 141.A OD2 no hydrogen 2.950 N/A ASP 141.A N VAL 138.A O no hydrogen 2.853 N/A PHE 142.A N PRO 139.A O no hydrogen 3.050 N/A LEU 145.A N PHE 142.A O no hydrogen 3.041 N/A ALA 148.A N ARG 102.A O no hydrogen 2.748 N/A GLY 149.A N ARG 102.A O no hydrogen 3.301 N/A LEU 150.A N SER 178.A O no hydrogen 2.891 N/A SER 153.A N ASP 182.A O no hydrogen 3.309 N/A ALA 155.A N THR 160.A O no hydrogen 2.988 N/A THR 158.A OG1 THR 160.A OG1 no hydrogen 3.058 N/A GLY 159.A N ALA 155.A O no hydrogen 2.747 N/A THR 160.A N THR 158.A OG1 no hydrogen 3.073 N/A THR 160.A OG1 ARG 134.A O no hydrogen 2.848 N/A THR 160.A OG1 THR 158.A OG1 no hydrogen 3.058 N/A ALA 165.A N ASP 162.A OD1 no hydrogen 2.913 N/A ALA 167.A N ALA 164.A O no hydrogen 3.052 N/A LEU 168.A N ALA 165.A O no hydrogen 3.152 N/A GLU 170.A N GLY 166.A O no hydrogen 2.838 N/A ALA 171.A N ALA 167.A O no hydrogen 2.984 N/A ALA 172.A N LEU 168.A O no hydrogen 2.871 N/A GLN 173.A N ILE 169.A O no hydrogen 2.937 N/A ALA 174.A N GLU 170.A O no hydrogen 3.000 N/A GLN 175.A N ALA 172.A O no hydrogen 3.164 N/A GLN 175.A NE2 PHE 142.A O no hydrogen 3.061 N/A GLY 176.A N GLN 173.A O no hydrogen 3.335 N/A ALA 177.A N ALA 172.A O no hydrogen 3.015 N/A SER 178.A N ALA 148.A O no hydrogen 2.808 N/A ILE 180.A N LEU 150.A O no hydrogen 2.876 N/A SER 181.A N TYR 205.A O no hydrogen 2.894 N/A SER 181.A OG GLU 183.A OE2 no hydrogen 2.552 N/A ASP 182.A N VAL 151.A O no hydrogen 2.790 N/A GLU 183.A N ILE 207.A O no hydrogen 2.937 N/A ILE 184.A N ASP 182.A OD1 no hydrogen 3.032 N/A TYR 185.A OH TYR 293.A OH no hydrogen 2.633 N/A HIS 186.A N GLU 183.A O no hydrogen 2.986 N/A HIS 186.A ND1 TYR 70.A OH no hydrogen 2.458 N/A GLY 187.A N GLU 189.A OE2 no hydrogen 2.769 N/A ILE 188.A N TYR 185.A O no hydrogen 3.034 N/A TYR 190.A OH ALA 291.A O no hydrogen 2.696 N/A TYR 190.A OH TYR 339.A OH no hydrogen 3.297 N/A LYS 193.A NZ TRP 69.A O no hydrogen 3.382 N/A LYS 193.A NZ ALA 194.A O no hydrogen 3.005 N/A ALA 194.A N GLU 189.A OE1 no hydrogen 2.888 N/A THR 196.A N GLU 199.A OE1 no hydrogen 3.269 N/A THR 196.A OG1 GLU 183.A OE1 no hydrogen 2.655 N/A THR 196.A OG1 GLU 183.A OE2 no hydrogen 3.438 N/A ALA 197.A N GLU 183.A OE2 no hydrogen 2.773 N/A LEU 198.A N THR 196.A OG1 no hydrogen 3.386 N/A GLU 199.A N THR 196.A O no hydrogen 2.986 N/A LEU 200.A N ALA 197.A O no hydrogen 3.016 N/A THR 201.A N ALA 197.A O no hydrogen 2.979 N/A GLU 203.A N THR 201.A OG1 no hydrogen 2.937 N/A CYS 204.A N ASP 202.A O no hydrogen 2.984 N/A CYS 204.A SG THR 201.A O no hydrogen 3.855 N/A TYR 205.A N PHE 179.A O no hydrogen 3.057 N/A TYR 205.A OH GLN 228.A OE1 no hydrogen 2.663 N/A VAL 206.A N VAL 223.A O no hydrogen 2.910 N/A ILE 207.A N SER 181.A O no hydrogen 2.875 N/A ASN 208.A N TRP 222.A O no hydrogen 2.863 N/A SER 209.A N ASN 208.A OD1 no hydrogen 2.843 N/A SER 209.A OG SER 211.A OG no hydrogen 2.746 N/A PHE 210.A N VAL 220.A O no hydrogen 3.279 N/A SER 211.A N SER 209.A OG no hydrogen 3.082 N/A SER 211.A OG SER 209.A OG no hydrogen 2.746 N/A LYS 212.A NZ GLY 34.A O no hydrogen 2.598 N/A LYS 212.A NZ TYR 185.A OH no hydrogen 3.559 N/A SER 215.A N LYS 212.A O no hydrogen 3.015 N/A SER 215.A OG THR 38.A O no hydrogen 3.183 N/A SER 215.A OG THR 38.A OG1 no hydrogen 2.647 N/A SER 215.A OG GLY 39.A O no hydrogen 2.844 N/A THR 216.A OG1 SER 211.A O no hydrogen 2.658 N/A GLY 221.A N THR 82.A O no hydrogen 2.830 N/A TRP 222.A N ASN 208.A O no hydrogen 3.301 N/A TRP 222.A NE1 TYR 66.A OH no hydrogen 2.866 N/A VAL 223.A N VAL 206.A O no hydrogen 2.945 N/A VAL 224.A N ARG 78.A O no hydrogen 3.255 N/A GLN 228.A N PRO 225.A O no hydrogen 2.872 N/A VAL 232.A N GLN 228.A O no hydrogen 3.053 N/A GLU 233.A N VAL 229.A O no hydrogen 2.819 N/A ARG 234.A N ARG 230.A O no hydrogen 3.028 N/A ILE 235.A N VAL 231.A O no hydrogen 3.269 N/A ALA 236.A N VAL 232.A O no hydrogen 2.788 N/A GLN 237.A N GLU 233.A O no hydrogen 2.813 N/A ASN 238.A N ARG 234.A O no hydrogen 2.743 N/A ILE 240.A N ALA 236.A O no hydrogen 2.767 N/A SER 246.A OG TRP 218.A O no hydrogen 2.544 N/A GLN 247.A N PRO 243.A O no hydrogen 3.094 N/A GLN 247.A NE2 ALA 242.A O no hydrogen 3.179 N/A VAL 248.A N HIS 244.A O no hydrogen 3.033 N/A ALA 249.A N ALA 245.A O no hydrogen 3.183 N/A ALA 250.A N SER 246.A O no hydrogen 2.988 N/A LEU 251.A N GLN 247.A O no hydrogen 3.053 N/A ALA 252.A N VAL 248.A O no hydrogen 3.355 N/A ALA 253.A N ALA 249.A O no hydrogen 2.847 N/A LEU 254.A N ALA 250.A O no hydrogen 3.131 N/A ASP 255.A N ALA 252.A O no hydrogen 2.891 N/A CYS 256.A N ALA 253.A O no hydrogen 2.881 N/A CYS 256.A SG ALA 252.A O no hydrogen 3.523 N/A LEU 260.A N CYS 256.A O no hydrogen 3.014 N/A GLN 261.A N ASP 257.A O no hydrogen 2.865 N/A GLN 261.A NE2 TYR 213.A OH no hydrogen 3.135 N/A ALA 262.A N ALA 258.A O no hydrogen 3.064 N/A ASN 263.A N GLU 259.A O no hydrogen 3.015 N/A LEU 264.A N LEU 260.A O no hydrogen 3.051 N/A ASP 265.A N GLN 261.A O no hydrogen 2.832 N/A VAL 266.A N ALA 262.A O no hydrogen 3.082 N/A TYR 267.A N ASN 263.A O no hydrogen 3.117 N/A LYS 268.A N LEU 264.A O no hydrogen 2.808 N/A ALA 269.A N ASP 265.A O no hydrogen 3.009 N/A ASN 270.A N VAL 266.A O no hydrogen 2.937 N/A ASN 270.A ND2 TYR 339.A O no hydrogen 2.930 N/A ASN 270.A ND2 ARG 341.A O no hydrogen 2.739 N/A ARG 271.A N TYR 267.A O no hydrogen 2.917 N/A ARG 271.A NE PRO 288.A O no hydrogen 2.827 N/A ARG 271.A NH1 GLU 191.A OE2 no hydrogen 3.123 N/A ARG 271.A NH2 GLU 191.A OE2 no hydrogen 3.075 N/A ARG 271.A NH2 PRO 288.A O no hydrogen 3.083 N/A LYS 272.A N LYS 268.A O no hydrogen 3.194 N/A LEU 273.A N ALA 269.A O no hydrogen 3.180 N/A GLU 275.A N LYS 272.A O no hydrogen 3.118 N/A ARG 276.A N LEU 273.A O no hydrogen 2.892 N/A ARG 276.A NE GLU 354.A OE2 no hydrogen 3.169 N/A ARG 276.A NH1 GLU 347.A O no hydrogen 3.362 N/A ARG 276.A NH1 ASP 351.A OD1 no hydrogen 3.129 N/A ARG 276.A NH2 ASP 351.A OD1 no hydrogen 2.610 N/A ARG 276.A NH2 GLU 354.A OE2 no hydrogen 3.052 N/A ALA 280.A N ARG 276.A O no hydrogen 3.105 N/A ALA 280.A N LEU 277.A O no hydrogen 2.974 N/A GLY 281.A N PRO 278.A O no hydrogen 2.833 N/A PHE 282.A N LEU 277.A O no hydrogen 2.915 N/A ARG 284.A NH2.B ASP 297.A OD1 no hydrogen 3.393 N/A ARG 284.A NH2.B ASP 300.A OD1 no hydrogen 3.082 N/A ALA 286.A N TYR 295.A O no hydrogen 2.908 N/A ASP 289.A N PRO 287.A O no hydrogen 2.815 N/A GLY 290.A N GLY 159.A O no hydrogen 2.841 N/A ALA 291.A N ILE 188.A O no hydrogen 2.842 N/A TYR 293.A OH TYR 185.A OH no hydrogen 2.633 N/A VAL 294.A N PHE 337.A O no hydrogen 2.874 N/A ALA 296.A N LEU 335.A O no hydrogen 2.871 N/A ASP 297.A N ARG 284.A O no hydrogen 2.929 N/A VAL 298.A N GLY 333.A O no hydrogen 2.795 N/A SER 299.A N ASP 297.A OD1 no hydrogen 3.077 N/A SER 299.A OG ASP 297.A OD1 no hydrogen 2.867 N/A LEU 301.A N VAL 298.A O no hydrogen 2.851 N/A THR 302.A N VAL 298.A O no hydrogen 3.099 N/A THR 302.A OG1 ASP 304.A O no hydrogen 3.174 N/A ASP 304.A N THR 302.A OG1 no hydrogen 2.908 N/A SER 305.A N ALA 332.A O no hydrogen 2.748 N/A SER 305.A OG GLY 331.A O no hydrogen 2.714 N/A ARG 306.A N ASP 304.A OD1 no hydrogen 3.128 N/A ARG 306.A NE ASP 15.A OD2 no hydrogen 3.059 N/A ARG 306.A NH2 ASP 15.A OD1 no hydrogen 3.539 N/A ARG 306.A NH2 ASP 15.A OD2 no hydrogen 3.048 N/A PHE 308.A N ASP 304.A O no hydrogen 2.910 N/A ALA 309.A N SER 305.A O no hydrogen 2.813 N/A ALA 310.A N ARG 306.A O no hydrogen 3.100 N/A GLU 311.A N ALA 307.A O no hydrogen 2.981 N/A ILE 312.A N PHE 308.A O no hydrogen 2.923 N/A LEU 313.A N ALA 309.A O no hydrogen 3.002 N/A GLU 314.A N ALA 310.A O no hydrogen 3.006 N/A LYS 315.A N GLU 311.A O no hydrogen 2.847 N/A ALA 316.A N ILE 312.A O no hydrogen 2.714 N/A GLY 317.A N LEU 313.A O no hydrogen 3.082 N/A ALA 319.A N ILE 30.A O no hydrogen 2.845 N/A THR 321.A N ARG 336.A O no hydrogen 3.187 N/A GLY 323.A N THR 334.A O no hydrogen 2.878 N/A PHE 326.A N GLY 323.A O no hydrogen 2.925 N/A ASP 327.A N GLY 323.A O no hydrogen 3.075 N/A GLU 329.A N ASP 327.A OD1 no hydrogen 3.241 N/A ARG 330.A N ASP 327.A OD1 no hydrogen 2.998 N/A ARG 330.A NE ASP 327.A OD2 no hydrogen 2.823 N/A ARG 330.A NH1 THR 129.A O no hydrogen 2.951 N/A ARG 330.A NH2 THR 129.A O no hydrogen 2.992 N/A ARG 330.A NH2 ASP 327.A OD2 no hydrogen 3.018 N/A GLY 331.A N ASP 327.A O no hydrogen 2.597 N/A GLY 333.A N ARG 330.A O no hydrogen 3.227 N/A THR 334.A N GLY 331.A O no hydrogen 3.176 N/A THR 334.A OG1 TYR 295.A OH no hydrogen 2.768 N/A THR 334.A OG1 GLY 331.A O no hydrogen 3.516 N/A LEU 335.A N ALA 296.A O no hydrogen 2.941 N/A ARG 336.A N THR 321.A O no hydrogen 2.874 N/A ARG 336.A NH1 ASN 156.A OD1 no hydrogen 2.817 N/A ARG 336.A NH2 GLU 32.A O no hydrogen 3.064 N/A PHE 337.A N VAL 294.A O no hydrogen 2.787 N/A SER 338.A OG VAL 33.A O no hydrogen 2.806 N/A TYR 339.A N PHE 292.A O no hydrogen 2.868 N/A TYR 339.A OH TYR 190.A OH no hydrogen 3.297 N/A ALA 340.A N SER 338.A OG no hydrogen 3.420 N/A THR 343.A OG1 ASN 270.A OD1 no hydrogen 2.608 N/A ILE 346.A N ALA 342.A O no hydrogen 3.150 N/A GLU 347.A N THR 343.A O no hydrogen 2.821 N/A GLU 348.A N ALA 344.A O no hydrogen 2.918 N/A GLY 349.A N ASP 345.A O no hydrogen 2.744 N/A LEU 350.A N ILE 346.A O no hydrogen 2.869 N/A ASP 351.A N GLU 347.A O no hydrogen 3.095 N/A ARG 352.A N GLU 348.A O no hydrogen 3.061 N/A ARG 352.A NE GLU 348.A OE2 no hydrogen 3.066 N/A ARG 352.A NH1 ARG 28.A O no hydrogen 2.734 N/A ARG 352.A NH1 GLY 317.A O no hydrogen 2.960 N/A ARG 352.A NH2 ARG 28.A O no hydrogen 3.449 N/A LEU 353.A N GLY 349.A O no hydrogen 2.919 N/A GLU 354.A N LEU 350.A O no hydrogen 2.935 N/A ALA 355.A N ASP 351.A O no hydrogen 3.048 N/A PHE 356.A N ARG 352.A O no hydrogen 3.066 N/A ALA 358.A N ALA 355.A O no hydrogen 3.191 N/A ARG 359.A N PHE 356.A O no hydrogen 2.984 N/A ARG 359.A NE GLU 311.A OE1 no hydrogen 3.460 N/A ARG 359.A NE GLU 311.A OE2 no hydrogen 3.125 N/A ARG 359.A NH1 LEU 301.A O no hydrogen 2.932 N/A ARG 359.A NH2 LEU 301.A O no hydrogen 3.162 N/A ARG 359.A NH2 GLU 311.A OE1 no hydrogen 3.251 N/A