Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 1vhe_A.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): LEU 6.A N ASP 3.A OD1 no hydrogen 2.812 N/A THR 7.A N ASP 3.A O no hydrogen 2.936 N/A THR 7.A OG1 LEU 2.A O no hydrogen 3.256 N/A THR 7.A OG1 ASP 3.A O no hydrogen 2.792 N/A LYS 9.A N LEU 6.A O no hydrogen 2.866 N/A LYS 9.A NZ ASP 13.A OD2 no hydrogen 2.693 N/A ASP 10.A N THR 7.A O no hydrogen 2.967 N/A THR 12.A N LEU 8.A O no hydrogen 2.947 N/A THR 12.A OG1 LEU 8.A O no hydrogen 2.758 N/A THR 12.A OG1 LYS 9.A O no hydrogen 3.193 N/A ASP 13.A N LYS 9.A O no hydrogen 2.794 N/A ALA 14.A N ASP 10.A O no hydrogen 3.164 N/A LYS 15.A N GLU 23.A OE1 no hydrogen 2.762 N/A LYS 15.A NZ GLU 104.A OE2 no hydrogen 3.450 N/A GLY 16.A N GLU 66.A OE2 no hydrogen 2.879 N/A GLY 19.A N GLU 21.A OE2 no hydrogen 2.900 N/A ASN 20.A N ILE 17.A O no hydrogen 2.816 N/A ASN 20.A ND2 PRO 18.A O no hydrogen 3.118 N/A GLU 21.A N GLU 21.A OE1 no hydrogen 2.842 N/A ARG 25.A N GLU 21.A O no hydrogen 2.967 N/A ARG 25.A NH1 GLY 44.A O no hydrogen 2.843 N/A GLN 26.A N ARG 22.A O no hydrogen 2.898 N/A VAL 27.A N GLU 23.A O no hydrogen 3.223 N/A SER 29.A N GLN 26.A O no hydrogen 3.145 N/A SER 29.A OG.A GLN 26.A O no hydrogen 3.111 N/A TYR 30.A N VAL 27.A O no hydrogen 3.203 N/A TYR 30.A OH ASP 10.A OD2 no hydrogen 2.565 N/A GLU 32.A N LYS 28.A O no hydrogen 2.944 N/A PHE 34.A N ILE 31.A O no hydrogen 2.956 N/A ALA 35.A N GLU 32.A O no hydrogen 3.089 N/A ASP 36.A N LYS 49.A O no hydrogen 2.752 N/A GLU 37.A N LYS 49.A O no hydrogen 3.317 N/A THR 39.A N ILE 47.A O no hydrogen 2.857 N/A THR 40.A OG1 ASP 41.A O no hydrogen 3.377 N/A ASP 41.A N SER 45.A O no hydrogen 3.109 N/A LEU 43.A N ASP 41.A OD1 no hydrogen 2.824 N/A GLY 44.A N ASP 41.A O no hydrogen 3.320 N/A SER 45.A N ASP 41.A OD1 no hydrogen 2.897 N/A SER 45.A OG ASP 41.A OD2 no hydrogen 2.768 N/A SER 45.A OG GLY 210.A O no hydrogen 3.438 N/A LEU 46.A N GLY 200.A O no hydrogen 2.818 N/A ILE 47.A N THR 39.A O no hydrogen 2.779 N/A ALA 48.A N GLY 198.A O no hydrogen 2.896 N/A LYS 49.A N GLU 37.A O no hydrogen 2.767 N/A LYS 50.A N VAL 196.A O no hydrogen 2.734 N/A LYS 50.A NZ THR 51.A O no hydrogen 3.545 N/A LYS 50.A NZ LEU 187.A O no hydrogen 3.537 N/A LYS 50.A NZ HIS 192.A NE2 no hydrogen 2.779 N/A THR 51.A N ASP 36.A OD2 no hydrogen 2.727 N/A GLY 52.A N ASN 194.A O no hydrogen 2.714 N/A ALA 53.A N ASN 194.A O no hydrogen 3.015 N/A GLY 56.A N ALA 53.A O no hydrogen 2.923 N/A LYS 58.A N ASP 221.A OD2 no hydrogen 2.724 N/A LYS 58.A NZ ILE 218.A O no hydrogen 3.008 N/A LYS 58.A NZ GLN 219.A O no hydrogen 3.036 N/A ILE 59.A N ILE 195.A O no hydrogen 2.741 N/A ALA 61.A N PHE 224.A O no hydrogen 2.882 N/A GLY 62.A N VAL 199.A O no hydrogen 2.908 N/A HIS 63.A ND1 ASP 65.A O no hydrogen 2.982 N/A LEU 64.A N THR 201.A O no hydrogen 2.721 N/A GLU 66.A N GLY 16.A O no hydrogen 2.843 N/A GLY 68.A N VAL 84.A O no hydrogen 3.002 N/A PHE 69.A N ILE 152.A O no hydrogen 2.944 N/A THR 71.A N ARG 80.A O no hydrogen 2.938 N/A GLN 72.A N ARG 80.A O no hydrogen 3.383 N/A THR 74.A N PHE 78.A O no hydrogen 2.837 N/A THR 74.A OG1 PHE 78.A O no hydrogen 3.520 N/A GLY 77.A N THR 74.A O no hydrogen 2.885 N/A PHE 78.A N THR 74.A OG1 no hydrogen 2.976 N/A ILE 79.A N ILE 132.A O no hydrogen 2.889 N/A ARG 80.A N GLN 72.A O no hydrogen 2.778 N/A GLN 82.A NE2 THR 83.A O no hydrogen 2.936 N/A VAL 84.A N GLY 68.A O no hydrogen 2.888 N/A TRP 87.A NE1 GLY 68.A O no hydrogen 3.122 N/A VAL 91.A N TRP 88.A O no hydrogen 3.266 N/A ALA 93.A N ILE 109.A O no hydrogen 2.925 N/A GLN 94.A NE2 VAL 91.A O no hydrogen 3.140 N/A VAL 96.A N GLY 107.A O no hydrogen 2.964 N/A THR 97.A N VAL 153.A O no hydrogen 2.814 N/A ILE 98.A N ILE 105.A O no hydrogen 2.810 N/A THR 100.A N GLY 103.A O no hydrogen 2.978 N/A THR 100.A OG1 GLY 103.A O no hydrogen 2.670 N/A LYS 101.A NZ GLY 146.A O no hydrogen 3.252 N/A LYS 102.A N THR 100.A OG1 no hydrogen 3.019 N/A LYS 102.A NZ GLU 144.A O no hydrogen 2.741 N/A GLY 103.A N THR 100.A O no hydrogen 2.991 N/A ILE 105.A N ILE 98.A O no hydrogen 2.885 N/A GLY 107.A N VAL 96.A O no hydrogen 3.009 N/A VAL 108.A N ASP 133.A O no hydrogen 3.093 N/A ILE 109.A N GLN 94.A O no hydrogen 3.006 N/A GLY 110.A N PHE 131.A O no hydrogen 2.835 N/A SER 111.A OG LYS 112.A O no hydrogen 3.220 N/A ILE 116.A N PRO 113.A O no hydrogen 3.167 N/A LEU 117.A N PRO 114.A O no hydrogen 2.916 N/A ALA 121.A N SER 118.A OG no hydrogen 3.073 N/A ARG 122.A N SER 118.A O no hydrogen 2.791 N/A ARG 122.A NE PRO 114.A O no hydrogen 2.936 N/A ARG 122.A NH2 PRO 114.A O no hydrogen 3.387 N/A LYS 123.A N GLU 120.A O no hydrogen 2.748 N/A LYS 124.A N GLU 120.A O no hydrogen 3.018 N/A SER 125.A OG VAL 126.A O no hydrogen 3.216 N/A LYS 129.A NZ ASP 130.A OD1 no hydrogen 3.027 N/A LYS 129.A NZ ASP 130.A OD2 no hydrogen 3.244 N/A ASP 130.A N GLU 127.A O no hydrogen 2.800 N/A ILE 132.A N ILE 79.A O no hydrogen 2.834 N/A ASP 133.A N VAL 108.A O no hydrogen 2.937 N/A GLY 135.A N ASP 133.A OD1 no hydrogen 2.878 N/A SER 137.A N GLU 141.A OE1 no hydrogen 2.710 N/A ARG 139.A N ASP 75.A O no hydrogen 3.217 N/A ARG 139.A NE ILE 73.A O no hydrogen 2.817 N/A ARG 139.A NH1 ASP 75.A OD1 no hydrogen 2.555 N/A ARG 139.A NH2 ILE 73.A O no hydrogen 3.073 N/A GLU 141.A N SER 138.A OG no hydrogen 3.092 N/A ALA 142.A N SER 138.A O no hydrogen 3.163 N/A LEU 143.A N ARG 139.A O no hydrogen 2.924 N/A GLU 144.A N GLU 140.A O no hydrogen 2.946 N/A TRP 145.A N GLU 141.A O no hydrogen 2.993 N/A GLY 146.A N LEU 143.A O no hydrogen 2.867 N/A VAL 147.A N ALA 142.A O no hydrogen 3.184 N/A LEU 148.A N ASP 151.A OD2 no hydrogen 2.805 N/A GLY 150.A N VAL 70.A O no hydrogen 2.774 N/A ASP 151.A N LEU 148.A O no hydrogen 3.027 N/A VAL 153.A N THR 97.A O no hydrogen 2.935 N/A HIS 155.A N ARG 95.A O no hydrogen 3.246 N/A THR 159.A N LEU 167.A O no hydrogen 2.835 N/A THR 159.A OG1 GLU 157.A O no hydrogen 2.782 N/A LYS 164.A N ASN 162.A OD1 no hydrogen 3.018 N/A LYS 164.A NZ ASP 321.A OD1 no hydrogen 3.302 N/A LYS 164.A NZ ASP 321.A OD2 no hydrogen 3.066 N/A PHE 165.A N ASN 162.A O no hydrogen 2.868 N/A LEU 166.A N LEU 318.A O no hydrogen 3.004 N/A LEU 167.A N THR 159.A O no hydrogen 2.817 N/A ALA 168.A N ALA 317.A O no hydrogen 2.949 N/A LYS 169.A NZ THR 12.A O no hydrogen 2.822 N/A LYS 169.A NZ ALA 14.A O no hydrogen 2.917 N/A LYS 169.A NZ GLU 66.A OE1 no hydrogen 2.724 N/A LYS 169.A NZ GLU 66.A OE2 no hydrogen 3.102 N/A TRP 171.A NE1 LEU 166.A O no hydrogen 3.009 N/A ASN 173.A ND2 VAL 226.A O no hydrogen 2.807 N/A ARG 174.A N ALA 170.A O no hydrogen 3.040 N/A ARG 174.A NE LEU 64.A O no hydrogen 3.200 N/A ARG 174.A NH1 LEU 11.A O no hydrogen 2.867 N/A ARG 174.A NH1 ALA 14.A O no hydrogen 2.915 N/A ARG 174.A NH2 LEU 64.A O no hydrogen 2.969 N/A ARG 174.A NH2 GLU 66.A OE2 no hydrogen 2.957 N/A ILE 175.A N TRP 171.A O no hydrogen 3.200 N/A GLY 176.A N ASN 173.A O no hydrogen 3.147 N/A GLY 176.A N ASN 173.A OD1 no hydrogen 2.879 N/A CYS 177.A N ASN 173.A O no hydrogen 3.259 N/A CYS 177.A SG HIS 63.A O no hydrogen 3.359 N/A CYS 177.A SG ASN 173.A O no hydrogen 3.561 N/A ALA 178.A N ARG 174.A O no hydrogen 2.903 N/A ILE 179.A N ILE 175.A O no hydrogen 2.925 N/A ALA 180.A N GLY 176.A O no hydrogen 3.087 N/A ILE 181.A N CYS 177.A O no hydrogen 3.098 N/A ASP 182.A N ALA 178.A O no hydrogen 2.941 N/A VAL 183.A N ILE 179.A O no hydrogen 2.975 N/A LEU 184.A N ALA 180.A O no hydrogen 3.234 N/A ARG 185.A N ILE 181.A O no hydrogen 2.910 N/A ARG 185.A NE ASP 182.A OD1 no hydrogen 2.832 N/A ARG 185.A NH2 ASP 182.A OD1 no hydrogen 2.858 N/A ASN 186.A N ASP 182.A O no hydrogen 3.003 N/A ASN 186.A ND2 THR 331.A OG1 no hydrogen 3.118 N/A LEU 187.A N VAL 183.A O no hydrogen 2.953 N/A GLN 188.A N ARG 185.A O no hydrogen 3.174 N/A ASN 189.A N ASN 186.A O no hydrogen 3.235 N/A HIS 192.A ND1 ASN 194.A OD1 no hydrogen 2.857 N/A ASN 194.A ND2 ILE 334.A O no hydrogen 2.857 N/A ASN 194.A ND2 LEU 337.A O no hydrogen 2.889 N/A ILE 195.A N PRO 57.A O no hydrogen 2.894 N/A VAL 196.A N LYS 50.A O no hydrogen 2.819 N/A TYR 197.A N ILE 59.A O no hydrogen 2.779 N/A GLY 198.A N ALA 48.A O no hydrogen 2.768 N/A VAL 199.A N ILE 60.A O no hydrogen 2.779 N/A GLY 200.A N LEU 46.A O no hydrogen 2.867 N/A THR 201.A N GLY 62.A O no hydrogen 2.999 N/A THR 201.A OG1 GLY 62.A O no hydrogen 3.257 N/A THR 201.A OG1 ASP 289.A OD2 no hydrogen 2.634 N/A VAL 202.A N SER 45.A OG no hydrogen 3.200 N/A GLN 203.A N GLU 21.A OE2 no hydrogen 2.854 N/A GLU 204.A N ASP 65.A OD1 no hydrogen 2.956 N/A GLU 205.A N ASP 65.A OD2 no hydrogen 2.805 N/A GLY 207.A N GLU 204.A O no hydrogen 3.164 N/A LEU 208.A N GLU 204.A O no hydrogen 3.011 N/A ARG 209.A N GLN 203.A O no hydrogen 3.194 N/A LYS 212.A N ARG 209.A O no hydrogen 3.168 N/A THR 213.A N ARG 209.A O no hydrogen 3.395 N/A THR 213.A OG1 ASP 41.A OD2 no hydrogen 2.771 N/A THR 213.A OG1 GLY 210.A O no hydrogen 3.054 N/A ALA 214.A N GLY 210.A O no hydrogen 2.758 N/A ALA 215.A N ALA 211.A O no hydrogen 2.927 N/A HIS 216.A N LYS 212.A O no hydrogen 3.031 N/A THR 217.A N THR 213.A O no hydrogen 3.095 N/A THR 217.A OG1 THR 213.A O no hydrogen 2.836 N/A ILE 218.A N ALA 214.A O no hydrogen 2.987 N/A GLN 219.A N ALA 215.A O no hydrogen 2.715 N/A GLN 219.A NE2 HIS 216.A O no hydrogen 2.787 N/A ASP 221.A N LYS 58.A O no hydrogen 2.774 N/A ILE 222.A N LYS 58.A O no hydrogen 3.141 N/A ALA 223.A N PRO 301.A O no hydrogen 3.185 N/A GLY 225.A N LEU 303.A O no hydrogen 2.965 N/A VAL 226.A N ALA 61.A O no hydrogen 2.901 N/A ASP 227.A N ILE 305.A O no hydrogen 3.385 N/A VAL 228.A N ASP 227.A OD1 no hydrogen 2.657 N/A GLY 229.A N ILE 307.A O no hydrogen 2.770 N/A ALA 231.A N THR 309.A O no hydrogen 3.145 N/A GLY 232.A N SER 244.A O no hydrogen 3.010 N/A ILE 237.A N THR 234.A O no hydrogen 3.410 N/A SER 238.A N GLU 241.A OE1 no hydrogen 3.063 N/A GLU 241.A N SER 238.A O no hydrogen 3.019 N/A ALA 242.A N SER 238.A O no hydrogen 3.030 N/A SER 244.A OG ASP 281.A OD2 no hydrogen 2.530 N/A LYS 245.A N GLN 279.A OE1 no hydrogen 2.934 N/A LYS 247.A N LYS 245.A O no hydrogen 3.305 N/A GLY 248.A N ASP 322.A OD1 no hydrogen 2.745 N/A GLN 250.A N THR 306.A O no hydrogen 2.706 N/A GLN 250.A NE2 SER 244.A OG no hydrogen 2.715 N/A ILE 251.A N GLN 279.A O no hydrogen 2.662 N/A ILE 252.A N SER 304.A O no hydrogen 3.096 N/A VAL 253.A N ASP 281.A O no hydrogen 2.962 N/A ALA 256.A N ILE 283.A O no hydrogen 3.252 N/A ALA 256.A N GLY 286.A O no hydrogen 2.733 N/A SER 257.A N ASP 255.A OD1 no hydrogen 2.629 N/A SER 257.A OG ASP 255.A OD1 no hydrogen 2.677 N/A SER 257.A OG THR 288.A O no hydrogen 3.421 N/A SER 259.A N VAL 253.A O no hydrogen 3.204 N/A SER 259.A OG VAL 253.A O no hydrogen 2.688 N/A HIS 260.A N ALA 302.A O no hydrogen 3.278 N/A LYS 261.A NZ ASP 265.A OD2 no hydrogen 2.960 N/A LEU 263.A N HIS 260.A ND1 no hydrogen 3.023 N/A ARG 264.A N HIS 260.A O no hydrogen 2.813 N/A ARG 264.A NH1 SER 259.A OG no hydrogen 2.748 N/A ASP 265.A N LYS 261.A O no hydrogen 2.812 N/A ALA 266.A N GLY 262.A O no hydrogen 3.185 N/A VAL 267.A N LEU 263.A O no hydrogen 2.968 N/A VAL 268.A N ARG 264.A O no hydrogen 2.945 N/A ALA 269.A N ASP 265.A O no hydrogen 2.936 N/A THR 270.A N ALA 266.A O no hydrogen 3.079 N/A THR 270.A OG1 ALA 266.A O no hydrogen 2.917 N/A ALA 271.A N VAL 267.A O no hydrogen 2.986 N/A GLU 272.A N VAL 268.A O no hydrogen 3.014 N/A GLU 273.A N ALA 269.A O no hydrogen 2.928 N/A ALA 274.A N THR 270.A O no hydrogen 2.896 N/A GLY 275.A N GLU 272.A O no hydrogen 3.303 N/A ILE 276.A N ALA 271.A O no hydrogen 2.931 N/A TYR 278.A OH GLU 272.A OE2 no hydrogen 2.614 N/A GLN 279.A N PRO 249.A O no hydrogen 2.919 N/A GLN 279.A NE2 LYS 245.A O no hydrogen 2.856 N/A GLN 279.A NE2 GLY 248.A O no hydrogen 2.811 N/A ASP 281.A N ILE 251.A O no hydrogen 3.203 N/A ALA 282.A N ASP 281.A OD1 no hydrogen 2.744 N/A ILE 283.A N TYR 254.A O no hydrogen 2.743 N/A GLY 286.A N ILE 283.A O no hydrogen 3.456 N/A THR 288.A N SER 257.A OG no hydrogen 3.161 N/A THR 288.A OG1 SER 304.A OG no hydrogen 2.555 N/A SER 290.A N THR 288.A OG1 no hydrogen 3.332 N/A SER 290.A OG SER 304.A OG no hydrogen 2.789 N/A GLY 291.A N THR 288.A O no hydrogen 2.767 N/A ALA 292.A N ASP 289.A O no hydrogen 3.009 N/A ILE 293.A N ASP 289.A O no hydrogen 3.067 N/A HIS 294.A N SER 290.A O no hydrogen 2.949 N/A HIS 294.A ND1 SER 290.A O no hydrogen 3.025 N/A LEU 295.A N ALA 292.A O no hydrogen 3.228 N/A THR 296.A N ILE 293.A O no hydrogen 3.026 N/A THR 296.A OG1 ILE 293.A O no hydrogen 2.855 N/A GLY 299.A N THR 296.A O no hydrogen 2.682 N/A VAL 300.A N HIS 294.A O no hydrogen 3.003 N/A LEU 303.A N ALA 223.A O no hydrogen 3.114 N/A SER 304.A OG THR 288.A OG1 no hydrogen 2.555 N/A SER 304.A OG SER 290.A OG no hydrogen 2.789 N/A ILE 305.A N GLY 225.A O no hydrogen 2.843 N/A THR 306.A N GLN 250.A O no hydrogen 2.971 N/A THR 306.A OG1 GLN 250.A OE1 no hydrogen 2.710 N/A ILE 307.A N ASP 227.A O no hydrogen 2.929 N/A THR 309.A N GLY 229.A O no hydrogen 2.709 N/A THR 309.A OG1 ILE 307.A O no hydrogen 2.865 N/A ARG 310.A NE ASP 233.A OD1 no hydrogen 2.983 N/A ARG 310.A NH2 ASP 233.A OD2 no hydrogen 3.002 N/A HIS 313.A ND1 GLY 86.A O no hydrogen 2.790 N/A HIS 313.A NE2 GLU 205.A OE2 no hydrogen 2.892 N/A THR 314.A OG1 TYR 311.A O no hydrogen 2.728 N/A HIS 315.A NE2 ARG 95.A O no hydrogen 2.888 N/A ALA 316.A N THR 314.A OG1 no hydrogen 3.271 N/A ALA 317.A N ALA 168.A O no hydrogen 2.766 N/A ARG 320.A N LYS 164.A O no hydrogen 2.802 N/A ARG 320.A NE GLU 324.A OE2 no hydrogen 3.043 N/A ARG 320.A NH1 ASP 3.A OD2 no hydrogen 2.832 N/A ARG 320.A NH2 ASP 3.A OD2 no hydrogen 3.186 N/A ASP 321.A N HIS 319.A ND1 no hydrogen 3.023 N/A ASP 322.A N HIS 319.A O no hydrogen 3.189 N/A TYR 323.A N HIS 319.A O no hydrogen 3.462 N/A TYR 323.A OH ALA 178.A O no hydrogen 3.275 N/A TYR 323.A OH ASP 182.A OD2 no hydrogen 2.551 N/A GLU 324.A N ARG 320.A O no hydrogen 2.982 N/A ASN 325.A N ASP 321.A O no hydrogen 2.858 N/A ALA 326.A N ASP 322.A O no hydrogen 2.960 N/A VAL 327.A N TYR 323.A O no hydrogen 3.136 N/A LYS 328.A N GLU 324.A O no hydrogen 3.026 N/A LEU 329.A N ASN 325.A O no hydrogen 2.883 N/A ILE 330.A N ALA 326.A O no hydrogen 3.018 N/A THR 331.A N VAL 327.A O no hydrogen 2.967 N/A THR 331.A OG1 VAL 327.A O no hydrogen 2.737 N/A GLU 332.A N LYS 328.A O no hydrogen 2.909 N/A VAL 333.A N LEU 329.A O no hydrogen 2.951 N/A ILE 334.A N ILE 330.A O no hydrogen 2.990 N/A LYS 335.A N THR 331.A O no hydrogen 3.188 N/A LYS 336.A N VAL 333.A O no hydrogen 2.906 N/A LYS 336.A NZ GLU 273.A OE1 no hydrogen 2.836 N/A LEU 337.A N ILE 334.A O no hydrogen 3.183 N/A ASP 338.A N LYS 336.A O no hydrogen 2.985 N/A ARG 339.A NH2 ASN 55.A O no hydrogen 2.924 N/A LYS 340.A NZ GLU 344.A OE1 no hydrogen 2.854 N/A LYS 340.A NZ GLU 344.A OE2 no hydrogen 3.118 N/A THR 341.A N ASP 338.A OD1 no hydrogen 2.840 N/A THR 341.A OG1 LYS 336.A O no hydrogen 3.300 N/A THR 341.A OG1 ASP 338.A OD1 no hydrogen 2.681 N/A VAL 342.A N ASP 338.A O no hydrogen 2.980 N/A ASP 343.A N ARG 339.A O no hydrogen 2.845 N/A GLU 344.A N LYS 340.A O no hydrogen 3.082 N/A ILE 345.A N THR 341.A O no hydrogen 2.984 N/A THR 346.A N VAL 342.A O no hydrogen 2.988 N/A THR 346.A OG1 VAL 342.A O no hydrogen 2.801 N/A TYR 347.A N ASP 343.A O no hydrogen 2.775 N/A GLN 348.A NE2 ILE 345.A O no hydrogen 2.982 N/A SER 352.A OG.B TYR 347.A O no hydrogen 2.528 N/A HIS 353.A ND1 ASP 343.A OD2 no hydrogen 2.823 N/A HIS 354.A N GLY 351.A O no hydrogen 3.239 N/A