Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 6zas_A.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): ARG 6.A NH1 GLU 32.A OE2 no hydrogen 2.625 N/A ARG 6.A NH1 GLU 74.A OE2 no hydrogen 2.838 N/A ARG 6.A NH2 GLU 74.A OE1 no hydrogen 3.039 N/A ARG 6.A NH2 GLU 74.A OE2 no hydrogen 3.364 N/A GLN 7.A N ILE 30.A O no hydrogen 2.891 N/A VAL 9.A N GLU 32.A O no hydrogen 2.848 N/A ASP 10.A OD1.B ASP 10.A OD2.B no hydrogen 2.207 N/A ASP 10.A OD2.B ASP 10.A OD1.B no hydrogen 2.207 N/A HIS 18.A ND1 VAL 19.A O no hydrogen 2.915 N/A HIS 20.A ND1 HIS 18.A O no hydrogen 2.830 N/A HIS 20.A NE2 TYR 165.A OH no hydrogen 2.752 N/A GLN 22.A NE2 TYR 165.A O no hydrogen 2.738 N/A THR 24.A N ARG 152.A O no hydrogen 2.713 N/A THR 24.A OG1 GLU 21.A OE1 no hydrogen 2.590 N/A GLN 26.A N THR 24.A OG1 no hydrogen 2.983 N/A GLN 26.A NE2.A GLU 21.A OE1 no hydrogen 2.905 N/A LYS 29.A N ASP 71.A OD1 no hydrogen 2.996 N/A LYS 29.A NZ GLN 7.A OE1.B no hydrogen 3.161 N/A LYS 29.A NZ GLN 26.A OE1.A no hydrogen 2.798 N/A ILE 30.A N PRO 5.A O no hydrogen 2.849 N/A MET 31.A N TYR 72.A O no hydrogen 2.704 N/A GLU 32.A N GLN 7.A O no hydrogen 2.814 N/A PHE 33.A N GLU 74.A O no hydrogen 2.930 N/A LEU 35.A N THR 76.A O no hydrogen 2.886 N/A VAL 36.A N ASN 57.A OD1 no hydrogen 2.805 N/A VAL 37.A N VAL 78.A O no hydrogen 2.806 N/A GLN 38.A N THR 55.A O no hydrogen 2.967 N/A GLU 39.A N ASN 83.A OD1 no hydrogen 3.018 N/A LYS 40.A N ALA 53.A O no hydrogen 2.994 N/A LYS 40.A NZ GLN 38.A OE1 no hydrogen 3.273 N/A LYS 40.A NZ GLY 58.A O no hydrogen 2.762 N/A LYS 41.A NZ.B TYR 189.A O no hydrogen 2.818 N/A MET 42.A N PHE 51.A O no hydrogen 2.785 N/A ILE 44.A N THR 49.A O no hydrogen 2.926 N/A GLU 46.A N GLU 46.A OE1.B no hydrogen 2.671 N/A LYS 47.A N ASP 45.A OD1 no hydrogen 2.992 N/A GLY 48.A N ASP 45.A O no hydrogen 3.077 N/A THR 49.A N ASP 45.A OD1 no hydrogen 2.991 N/A THR 49.A OG1 ASP 45.A OD1 no hydrogen 3.081 N/A THR 49.A OG1 ASP 45.A OD2 no hydrogen 2.658 N/A GLN 52.A NE2 TYR 189.A O no hydrogen 2.724 N/A ALA 53.A N LYS 40.A O no hydrogen 2.895 N/A MET 54.A N SER 141.A O no hydrogen 2.861 N/A THR 55.A N GLN 38.A O no hydrogen 2.973 N/A THR 55.A OG1 GLN 38.A O no hydrogen 2.813 N/A ASN 57.A N VAL 36.A O no hydrogen 2.710 N/A SER 59.A OG PRO 61.A O no hydrogen 2.637 N/A GLY 62.A N ASN 144.A O no hydrogen 2.828 N/A MET 65.A N ALA 146.A O no hydrogen 3.192 N/A VAL 66.A N HIS 18.A NE2 no hydrogen 2.822 N/A VAL 67.A N MET 148.A O no hydrogen 2.917 N/A HIS 68.A N ASP 71.A OD2 no hydrogen 2.813 N/A HIS 68.A NE2 GLN 22.A O no hydrogen 2.685 N/A GLU 69.A N LEU 150.A O no hydrogen 2.768 N/A GLY 70.A N ALA 118.A O no hydrogen 2.854 N/A ASP 71.A N HIS 68.A O no hydrogen 2.965 N/A TYR 72.A N LYS 29.A O no hydrogen 2.892 N/A VAL 73.A N TRP 116.A O no hydrogen 2.796 N/A GLU 74.A N MET 31.A O no hydrogen 2.839 N/A VAL 75.A N LEU 114.A O no hydrogen 2.751 N/A THR 76.A N PHE 33.A O no hydrogen 2.876 N/A LEU 77.A N VAL 112.A O no hydrogen 2.908 N/A VAL 78.A N LEU 35.A O no hydrogen 2.855 N/A ASN 79.A N GLU 110.A O no hydrogen 2.878 N/A ASN 79.A ND2 MET 85.A O no hydrogen 2.943 N/A ASN 79.A ND2 ILE 106.A O no hydrogen 3.041 N/A ASN 83.A N PRO 80.A O no hydrogen 2.970 N/A ASN 83.A ND2 VAL 37.A O no hydrogen 2.929 N/A ASN 83.A ND2 ASN 79.A OD1 no hydrogen 2.780 N/A THR 84.A N GLU 39.A OE1 no hydrogen 3.248 N/A THR 84.A N GLU 39.A OE2 no hydrogen 2.975 N/A THR 84.A OG1 GLU 39.A OE2 no hydrogen 2.747 N/A MET 85.A N GLU 39.A OE1 no hydrogen 3.152 N/A HIS 87.A N ILE 106.A O no hydrogen 3.081 N/A HIS 87.A NE2 GLU 39.A OE1 no hydrogen 2.716 N/A ASN 88.A ND2 GLY 101.A O no hydrogen 2.987 N/A ASN 88.A ND2 ALA 129.A O no hydrogen 2.928 N/A ILE 89.A N THR 104.A OG1 no hydrogen 2.982 N/A ASP 90.A N HIS 127.A O no hydrogen 2.752 N/A PHE 91.A N GLY 99.A O no hydrogen 2.734 N/A HIS 92.A N VAL 125.A O no hydrogen 2.882 N/A ALA 94.A N PHE 91.A O no hydrogen 2.937 N/A GLY 99.A N GLY 96.A O no hydrogen 2.866 N/A GLY 100.A N ALA 97.A O no hydrogen 2.871 N/A GLY 101.A N LEU 98.A O no hydrogen 3.070 N/A ALA 102.A N ALA 97.A O no hydrogen 3.048 N/A LEU 103.A N GLY 100.A O no hydrogen 2.963 N/A THR 104.A N GLY 101.A O no hydrogen 3.392 N/A THR 104.A OG1 ILE 89.A O no hydrogen 3.195 N/A THR 104.A OG1 GLY 100.A O no hydrogen 2.870 N/A ILE 106.A N HIS 87.A O no hydrogen 2.862 N/A ASN 107.A N GLU 110.A OE1 no hydrogen 2.826 N/A GLY 109.A N ASN 79.A O no hydrogen 2.689 N/A GLU 110.A N ASN 107.A O no hydrogen 3.022 N/A VAL 112.A N LEU 77.A O no hydrogen 2.840 N/A LEU 114.A N VAL 75.A O no hydrogen 2.894 N/A ARG 115.A NH2 GLU 74.A OE1 no hydrogen 3.023 N/A TRP 116.A N VAL 73.A O no hydrogen 2.850 N/A LYS 117.A NZ TYR 72.A OH no hydrogen 3.372 N/A ALA 118.A N ASP 71.A O no hydrogen 2.779 N/A THR 119.A N LYS 117.A O no hydrogen 2.956 N/A GLY 122.A N VAL 149.A O no hydrogen 2.841 N/A VAL 123.A N GLY 261.A O no hydrogen 2.833 N/A PHE 124.A N VAL 147.A O no hydrogen 2.786 N/A TYR 126.A N GLY 145.A O no hydrogen 3.121 N/A TYR 126.A OH PRO 63.A O no hydrogen 2.688 N/A HIS 127.A N ASP 90.A O no hydrogen 2.903 N/A HIS 127.A ND1 CYS 128.A O no hydrogen 2.774 N/A CYS 128.A N MET 143.A O no hydrogen 3.046 N/A CYS 128.A SG HIS 87.A ND1 no hydrogen 3.799 N/A CYS 128.A SG ASN 88.A O no hydrogen 3.518 N/A CYS 128.A SG ASN 88.A OD1 no hydrogen 3.528 N/A CYS 128.A SG HIS 138.A ND1 no hydrogen 3.391 N/A ALA 129.A N ASN 88.A OD1 no hydrogen 2.806 N/A MET 134.A N GLY 131.A O no hydrogen 3.163 N/A ILE 135.A N GLY 132.A O no hydrogen 2.890 N/A TRP 137.A N PRO 133.A O no hydrogen 3.405 N/A HIS 138.A N MET 134.A O no hydrogen 2.858 N/A HIS 138.A ND1 HIS 87.A ND1 no hydrogen 2.972 N/A VAL 139.A N ILE 135.A O no hydrogen 3.166 N/A VAL 140.A N PRO 136.A O no hydrogen 2.871 N/A SER 141.A OG TRP 137.A O no hydrogen 2.673 N/A GLY 142.A N VAL 139.A O no hydrogen 3.019 N/A MET 143.A N HIS 138.A O no hydrogen 3.065 N/A ASN 144.A N GLY 142.A O no hydrogen 2.947 N/A ASN 144.A ND2 VAL 139.A O no hydrogen 2.980 N/A ASN 144.A ND2 GLN 174.A OE1 no hydrogen 2.804 N/A GLY 145.A N TYR 126.A O no hydrogen 2.843 N/A VAL 147.A N PHE 124.A O no hydrogen 2.844 N/A MET 148.A N MET 65.A O no hydrogen 2.723 N/A VAL 149.A N GLY 122.A O no hydrogen 2.747 N/A LEU 150.A N VAL 67.A O no hydrogen 2.919 N/A ARG 152.A NE GLU 69.A O no hydrogen 3.014 N/A ARG 152.A NH1 GLU 69.A O no hydrogen 2.734 N/A ARG 152.A NH1 ASP 71.A OD1 no hydrogen 2.840 N/A ARG 152.A NH2 GLN 26.A O no hydrogen 2.915 N/A GLY 154.A N PRO 151.A O no hydrogen 2.827 N/A ASP 157.A N HIS 161.A O no hydrogen 2.850 N/A GLY 158.A N ASN 156.A OD1 no hydrogen 2.825 N/A HIS 159.A N ASP 157.A OD1 no hydrogen 2.820 N/A HIS 161.A N ASP 157.A OD1 no hydrogen 2.968 N/A HIS 161.A ND1 ASP 157.A OD2 no hydrogen 2.803 N/A LEU 163.A N LEU 155.A O no hydrogen 2.893 N/A TYR 165.A N GLN 22.A OE1 no hydrogen 2.982 N/A TYR 165.A OH HIS 20.A NE2 no hydrogen 2.752 N/A ASP 166.A N ASN 233.A O no hydrogen 2.782 N/A ARG 167.A N.B ASN 233.A O no hydrogen 3.432 N/A ARG 167.A NE.A GLU 232.A OE1 no hydrogen 2.921 N/A ARG 167.A NE.B GLU 232.A OE1 no hydrogen 2.793 N/A ARG 167.A NH1.A TYR 169.A OH no hydrogen 3.151 N/A ARG 167.A NH2.A GLU 232.A OE1 no hydrogen 3.140 N/A ARG 167.A NH2.A GLU 232.A OE2 no hydrogen 2.981 N/A ARG 167.A NH2.B GLU 232.A OE1 no hydrogen 3.497 N/A ARG 167.A NH2.B GLU 232.A OE2 no hydrogen 3.478 N/A TYR 169.A N LEU 235.A O no hydrogen 2.887 N/A TYR 169.A OH ASN 227.A O no hydrogen 2.600 N/A TYR 170.A N PRO 15.A O no hydrogen 2.878 N/A TYR 170.A OH SER 239.A OG no hydrogen 2.679 N/A ILE 171.A N VAL 237.A O no hydrogen 2.777 N/A GLU 173.A N SER 239.A O no hydrogen 2.982 N/A GLN 174.A N VAL 212.A O no hydrogen 2.812 N/A GLN 174.A NE2 VAL 139.A O no hydrogen 3.560 N/A GLN 174.A NE2 ASP 175.A O no hydrogen 2.936 N/A LEU 176.A N HIS 210.A O no hydrogen 2.864 N/A TYR 177.A OH ASP 175.A OD2 no hydrogen 2.454 N/A VAL 178.A N THR 209.A OG1 no hydrogen 2.962 N/A ASP 181.A N ASN 185.A O no hydrogen 2.804 N/A GLY 184.A N ASP 181.A O no hydrogen 2.946 N/A ASN 185.A N ASP 181.A OD1 no hydrogen 2.894 N/A LYS 187.A N PRO 179.A O no hydrogen 2.865 N/A LYS 187.A NZ ASP 198.A OD2 no hydrogen 2.930 N/A TYR 189.A OH ASP 198.A OD2 no hydrogen 2.613 N/A SER 191.A OG GLU 194.A OE2 no hydrogen 2.680 N/A GLU 194.A N SER 191.A OG no hydrogen 2.995 N/A ALA 195.A N SER 191.A O no hydrogen 3.258 N/A TYR 196.A N GLY 193.A O no hydrogen 3.263 N/A THR 199.A N ALA 195.A O no hydrogen 2.967 N/A THR 199.A OG1 ALA 195.A O no hydrogen 2.747 N/A GLU 200.A N TYR 196.A O no hydrogen 2.806 N/A GLU 201.A N SER 197.A O no hydrogen 3.300 N/A VAL 202.A N ASP 198.A O no hydrogen 3.344 N/A MET 203.A N THR 199.A O no hydrogen 2.864 N/A ARG 204.A N GLU 200.A O no hydrogen 2.907 N/A ARG 204.A NE GLU 200.A OE2 no hydrogen 3.003 N/A ARG 204.A NH2 GLU 200.A OE2 no hydrogen 2.927 N/A LYS 205.A N VAL 202.A O no hydrogen 3.072 N/A LEU 206.A N MET 203.A O no hydrogen 2.933 N/A THR 207.A OG1 LYS 205.A O no hydrogen 3.341 N/A THR 209.A N LEU 176.A O no hydrogen 2.829 N/A THR 209.A OG1 LEU 176.A O no hydrogen 3.269 N/A THR 209.A OG1 HIS 210.A ND1 no hydrogen 2.810 N/A HIS 210.A N LEU 176.A O no hydrogen 3.400 N/A HIS 210.A ND1 THR 209.A OG1 no hydrogen 2.810 N/A HIS 210.A NE2 ASP 45.A OD2 no hydrogen 2.925 N/A VAL 211.A N LEU 307.A O.A no hydrogen 2.913 N/A VAL 211.A N LEU 307.A O.B no hydrogen 3.045 N/A VAL 212.A N GLN 174.A O no hydrogen 2.930 N/A ASN 214.A N GLY 172.A O no hydrogen 3.117 N/A ASN 214.A ND2 PRO 14.A O no hydrogen 3.268 N/A LYS 216.A N PHE 213.A O no hydrogen 3.462 N/A ALA 217.A N ILE 44.A O no hydrogen 2.889 N/A ALA 219.A N LYS 216.A O no hydrogen 3.138 N/A THR 221.A N GLY 218.A O no hydrogen 3.347 N/A THR 221.A OG1 GLY 218.A O no hydrogen 3.175 N/A ASN 224.A N THR 221.A O no hydrogen 3.069 N/A ALA 225.A N GLY 222.A O no hydrogen 3.118 N/A LEU 226.A N HIS 312.A O no hydrogen 2.819 N/A ALA 228.A N LYS 314.A O no hydrogen 3.158 N/A ASN 229.A N GLU 232.A OE1 no hydrogen 2.894 N/A ASN 229.A ND2 GLU 232.A OE2 no hydrogen 3.018 N/A VAL 230.A N GLU 316.A O no hydrogen 2.838 N/A GLY 231.A N PHE 288.A O no hydrogen 2.762 N/A GLU 232.A N ASN 229.A O no hydrogen 3.078 N/A ASN 233.A N ASP 166.A OD2 no hydrogen 2.784 N/A ASN 233.A ND2 ARG 164.A O no hydrogen 2.852 N/A VAL 234.A N TYR 286.A O no hydrogen 2.747 N/A LEU 235.A N ARG 167.A O.A no hydrogen 2.876 N/A LEU 235.A N ARG 167.A O.B no hydrogen 2.932 N/A ILE 236.A N ALA 284.A O no hydrogen 2.747 N/A VAL 237.A N TYR 169.A O no hydrogen 2.961 N/A HIS 238.A N GLY 282.A O no hydrogen 2.879 N/A HIS 238.A ND1 TYR 296.A OH no hydrogen 2.635 N/A HIS 238.A NE2 GLU 173.A OE1 no hydrogen 2.788 N/A SER 239.A N ILE 171.A O no hydrogen 3.061 N/A SER 239.A OG TYR 170.A OH no hydrogen 2.679 N/A GLN 240.A N SER 280.A O no hydrogen 3.008 N/A GLN 240.A NE2 ASP 175.A OD1 no hydrogen 2.955 N/A ASN 242.A N GLN 240.A OE1 no hydrogen 2.872 N/A ASN 242.A ND2 ASP 175.A OD2 no hydrogen 2.945 N/A ARG 243.A N GLN 240.A OE1 no hydrogen 3.087 N/A ARG 243.A NH1 GLU 303.A OE2 no hydrogen 2.833 N/A ARG 243.A NH2 GLU 303.A OE1 no hydrogen 2.934 N/A ARG 243.A NH2 GLU 303.A OE2 no hydrogen 3.384 N/A SER 245.A N ILE 276.A O no hydrogen 2.893 N/A SER 245.A OG GLU 173.A OE1 no hydrogen 2.590 N/A SER 245.A OG GLU 173.A OE2 no hydrogen 3.385 N/A SER 245.A OG THR 298.A OG1 no hydrogen 3.361 N/A ARG 246.A N THR 298.A OG1 no hydrogen 3.204 N/A HIS 248.A N VAL 297.A O no hydrogen 2.927 N/A HIS 248.A ND1 GLU 272.A O no hydrogen 2.641 N/A HIS 248.A ND1 THR 273.A OG1 no hydrogen 3.073 N/A ILE 250.A N ALA 295.A O no hydrogen 2.784 N/A GLY 252.A N LEU 249.A O no hydrogen 2.926 N/A GLY 254.A N LEU 271.A O no hydrogen 2.887 N/A TYR 256.A N LEU 285.A O.A no hydrogen 3.345 N/A TYR 256.A N LEU 285.A O.B no hydrogen 3.204 N/A VAL 257.A N GLU 268.A O no hydrogen 2.754 N/A TRP 258.A N ALA 283.A O no hydrogen 2.762 N/A LYS 262.A NZ VAL 123.A O no hydrogen 2.630 N/A LYS 262.A NZ THR 260.A O no hydrogen 2.761 N/A ASN 265.A N LYS 262.A O no hydrogen 3.004 N/A ASN 265.A ND2 LYS 262.A O no hydrogen 3.193 N/A GLU 268.A N VAL 257.A O no hydrogen 2.838 N/A GLY 270.A N ASP 255.A O no hydrogen 3.229 N/A LEU 271.A N GLY 254.A O no hydrogen 2.896 N/A THR 273.A OG1 HIS 248.A ND1 no hydrogen 3.073 N/A TRP 274.A N PRO 247.A O no hydrogen 2.973 N/A ILE 276.A N SER 245.A O no hydrogen 2.867 N/A ARG 277.A NH1.A GLU 259.A OE2 no hydrogen 2.939 N/A ARG 277.A NH1.A PHE 275.A O no hydrogen 2.823 N/A ARG 277.A NH1.B GLU 259.A OE2 no hydrogen 2.882 N/A ARG 277.A NH2.B PHE 275.A O no hydrogen 2.839 N/A GLY 278.A N ASP 244.A OD1 no hydrogen 2.817 N/A GLY 279.A N GLN 240.A O no hydrogen 2.741 N/A SER 280.A N GLN 240.A O no hydrogen 3.141 N/A SER 280.A OG ARG 277.A O no hydrogen 2.657 N/A GLY 282.A N HIS 238.A O no hydrogen 2.803 N/A ALA 283.A N TRP 258.A O no hydrogen 3.088 N/A ALA 284.A N ILE 236.A O no hydrogen 2.997 N/A LEU 285.A N.A TYR 256.A O no hydrogen 2.788 N/A LEU 285.A N.B TYR 256.A O no hydrogen 2.778 N/A TYR 286.A N VAL 234.A O no hydrogen 2.908 N/A LYS 287.A N ASP 255.A OD2 no hydrogen 2.830 N/A PHE 288.A N GLU 232.A O no hydrogen 3.030 N/A GLN 290.A NE2 ASN 320.A O no hydrogen 2.943 N/A GLY 292.A N VAL 315.A O no hydrogen 2.755 N/A TYR 294.A N PHE 313.A O no hydrogen 2.880 N/A TYR 294.A OH.A GLN 290.A O no hydrogen 2.850 N/A TYR 294.A OH.B GLN 290.A O no hydrogen 2.485 N/A TYR 296.A N ALA 311.A O no hydrogen 2.793 N/A TYR 296.A OH HIS 238.A ND1 no hydrogen 2.635 N/A VAL 297.A N HIS 248.A O no hydrogen 2.940 N/A THR 298.A OG1 SER 245.A OG no hydrogen 3.361 N/A HIS 299.A N ARG 246.A O no hydrogen 2.808 N/A HIS 299.A ND1 HIS 299.A O no hydrogen 2.765 N/A ILE 302.A N ASN 300.A OD1 no hydrogen 2.991 N/A GLU 303.A N ASN 300.A OD1 no hydrogen 3.368 N/A ALA 304.A N ASN 300.A O no hydrogen 2.950 N/A ALA 305.A N LEU 301.A O no hydrogen 2.918 N/A ASN 306.A N ILE 302.A O no hydrogen 2.790 N/A LEU 307.A N.A GLU 303.A O no hydrogen 3.119 N/A LEU 307.A N.B ILE 302.A O no hydrogen 3.259 N/A LEU 307.A N.B GLU 303.A O no hydrogen 3.110 N/A ALA 309.A N GLU 303.A O no hydrogen 3.157 N/A THR 310.A OG1 ALA 304.A O no hydrogen 2.708 N/A ALA 311.A N TYR 296.A O no hydrogen 2.793 N/A HIS 312.A N LEU 220.A O no hydrogen 2.849 N/A PHE 313.A N TYR 294.A O no hydrogen 2.761 N/A LYS 314.A N LEU 226.A O no hydrogen 2.801 N/A LYS 314.A NZ GLY 222.A O no hydrogen 2.777 N/A VAL 315.A N GLY 292.A O no hydrogen 2.936 N/A GLU 316.A N ALA 228.A O no hydrogen 3.046 N/A TRP 319.A NE1 MET 324.A O no hydrogen 2.934 N/A ASN 320.A N GLN 290.A OE1 no hydrogen 2.761 N/A ASP 322.A N ASN 320.A OD1 no hydrogen 2.962 N/A LEU 323.A N ASN 320.A OD1 no hydrogen 3.375 N/A MET 324.A N ASN 320.A O no hydrogen 3.444 N/A THR 325.A OG1 ASP 321.A OD1 no hydrogen 2.711 N/A SER 337.A N.A PRO 334.A O.A no hydrogen 2.948 N/A SER 337.A N.A PRO 334.A O.B no hydrogen 2.494 N/A THR 338.A OG1.B THR 335.A O.B no hydrogen 2.851 N/A THR 338.A OG1.B SER 337.A O.A no hydrogen 1.901 N/A ASN 341.A N.A THR 338.A O.A no hydrogen 2.687 N/A ASN 341.A N.A THR 338.A O.B no hydrogen 3.139 N/A ASN 341.A N.B SER 337.A O.B no hydrogen 3.214 N/A LEU 342.A N.B THR 338.A O.A no hydrogen 2.901 N/A LEU 342.A N.B ASN 339.A O.B no hydrogen 3.008 N/A TYR 343.A N.B GLU 340.A O.B no hydrogen 3.208 N/A PHE 344.A N.B ASN 341.A O.B no hydrogen 3.360 N/A GLN 345.A N.A LEU 342.A O.A no hydrogen 3.335 N/A