Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 3in3_A.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): GLU 4.A N SER 1.A O no hydrogen 3.294 N/A MET 5.A N PHE 2.A O no hydrogen 2.789 N/A VAL 6.A N VAL 3.A O no hydrogen 3.408 N/A ASP 7.A N SER 170.A OG no hydrogen 2.854 N/A ASN 8.A N MET 5.A O no hydrogen 3.344 N/A ASN 8.A ND2 HIS 92.A O no hydrogen 3.009 N/A ASN 8.A ND2 MET 171.A O no hydrogen 2.996 N/A LEU 9.A N GLY 169.A O no hydrogen 3.050 N/A ARG 10.A N TYR 18.A O no hydrogen 3.017 N/A ARG 10.A NH1 ASP 7.A OD1 no hydrogen 2.621 N/A ARG 10.A NH1 ASP 7.A OD2 no hydrogen 3.249 N/A ARG 10.A NH1 LEU 9.A O no hydrogen 3.044 N/A ARG 10.A NH2 ASP 7.A OD2 no hydrogen 2.914 N/A GLY 11.A N VAL 167.A O no hydrogen 3.214 N/A SER 13.A N ALA 165.A O no hydrogen 2.783 N/A SER 13.A OG PRO 305.A O no hydrogen 3.529 N/A GLN 15.A N LYS 12.A O no hydrogen 2.768 N/A TYR 17.A OH GLU 328.A OE2 no hydrogen 2.683 N/A TYR 18.A N ARG 10.A O no hydrogen 2.723 N/A VAL 19.A N ILE 32.A O no hydrogen 2.912 N/A MET 21.A N LEU 30.A O no hydrogen 2.831 N/A THR 22.A N SER 89.A O no hydrogen 2.908 N/A VAL 23.A N GLN 28.A O no hydrogen 2.969 N/A GLY 24.A N LEU 87.A O no hydrogen 2.837 N/A SER 25.A N SER 60.A OG no hydrogen 3.298 N/A SER 25.A OG THR 62.A OG1 no hydrogen 2.869 N/A GLN 28.A N VAL 23.A O no hydrogen 2.875 N/A GLN 28.A NE2 GLN 56.A O no hydrogen 2.911 N/A LEU 30.A N MET 21.A O no hydrogen 2.889 N/A ASN 31.A N GLU 119.A OE1 no hydrogen 2.887 N/A ASN 31.A ND2 ASN 117.A O no hydrogen 3.030 N/A ILE 32.A N VAL 19.A O no hydrogen 2.905 N/A LEU 33.A N GLY 120.A O no hydrogen 2.857 N/A VAL 34.A N TYR 17.A O no hydrogen 2.869 N/A ASP 35.A N LEU 122.A O no hydrogen 3.050 N/A THR 36.A N SER 226.A OG no hydrogen 3.034 N/A THR 36.A OG1 VAL 224.A O no hydrogen 2.890 N/A GLY 37.A N ASP 35.A OD1 no hydrogen 2.903 N/A SER 38.A OG ASP 35.A OD2 no hydrogen 2.657 N/A SER 39.A OG TYR 126.A O no hydrogen 2.722 N/A ASN 40.A ND2 ARG 131.A O no hydrogen 2.812 N/A ALA 42.A N ILE 121.A O no hydrogen 2.985 N/A VAL 43.A N ALA 103.A O no hydrogen 2.932 N/A GLY 44.A N GLU 119.A O no hydrogen 2.856 N/A ALA 45.A N ILE 105.A O no hydrogen 2.959 N/A PHE 50.A N HIS 48.A ND1 no hydrogen 2.918 N/A LEU 51.A N HIS 48.A O no hydrogen 2.884 N/A ARG 53.A NE GLU 119.A OE1 no hydrogen 3.107 N/A ARG 53.A NE GLU 119.A OE2 no hydrogen 3.396 N/A ARG 53.A NH2 GLU 119.A OE1 no hydrogen 3.437 N/A TYR 55.A N GLY 44.A O no hydrogen 2.842 N/A TYR 55.A OH ASP 86.A OD2 no hydrogen 2.670 N/A GLN 56.A N GLN 28.A OE1 no hydrogen 2.900 N/A ARG 57.A NH1 GLU 82.A OE1 no hydrogen 2.642 N/A ARG 57.A NH2 GLU 82.A OE1 no hydrogen 3.243 N/A GLN 58.A N GLN 58.A OE1 no hydrogen 2.666 N/A GLN 58.A NE2 GLN 56.A OE1 no hydrogen 3.221 N/A LEU 59.A N GLN 56.A O no hydrogen 3.024 N/A SER 60.A N ARG 57.A O no hydrogen 3.046 N/A SER 60.A OG ASP 86.A OD1 no hydrogen 3.299 N/A SER 60.A OG ASP 86.A OD2 no hydrogen 2.595 N/A SER 61.A N SER 25.A O no hydrogen 2.893 N/A SER 61.A OG SER 25.A O no hydrogen 3.465 N/A THR 62.A N SER 60.A OG no hydrogen 3.372 N/A THR 62.A OG1 SER 25.A OG no hydrogen 2.869 N/A THR 62.A OG1 SER 60.A OG no hydrogen 3.408 N/A THR 62.A OG1 ASP 86.A OD1 no hydrogen 2.758 N/A TYR 63.A N SER 60.A O no hydrogen 3.452 N/A ARG 64.A N THR 85.A O no hydrogen 2.921 N/A LEU 66.A N LEU 83.A O no hydrogen 3.102 N/A ARG 67.A N ASP 65.A OD1 no hydrogen 2.818 N/A VAL 70.A N GLY 81.A O no hydrogen 3.123 N/A VAL 72.A N TRP 79.A O no hydrogen 2.774 N/A TYR 74.A N GLY 77.A O no hydrogen 2.752 N/A GLN 76.A N GLN 76.A OE1 no hydrogen 2.607 N/A LYS 78.A N ASP 109.A O no hydrogen 3.168 N/A TRP 79.A N VAL 72.A O no hydrogen 2.931 N/A GLY 81.A N VAL 70.A O no hydrogen 2.931 N/A GLU 82.A N ALA 104.A O no hydrogen 2.954 N/A LEU 83.A N LYS 68.A O no hydrogen 2.848 N/A GLY 84.A N ILE 102.A O no hydrogen 3.146 N/A THR 85.A N ARG 64.A O no hydrogen 2.866 N/A ASP 86.A N ALA 100.A O no hydrogen 3.212 N/A LEU 87.A N ASP 86.A OD1 no hydrogen 2.782 N/A VAL 88.A N VAL 98.A O no hydrogen 2.756 N/A SER 89.A N THR 22.A O no hydrogen 3.024 N/A SER 89.A OG VAL 96.A O no hydrogen 3.565 N/A SER 89.A OG THR 97.A OG1 no hydrogen 2.773 N/A GLY 93.A N ILE 90.A O no hydrogen 2.876 N/A VAL 96.A N PRO 94.A O no hydrogen 2.900 N/A THR 97.A OG1 SER 89.A OG no hydrogen 2.773 N/A VAL 98.A N VAL 88.A O no hydrogen 2.953 N/A ARG 99.A N GLN 146.A OE1 no hydrogen 2.912 N/A ARG 99.A NH1 THR 62.A O no hydrogen 3.170 N/A ARG 99.A NH1 THR 85.A OG1 no hydrogen 2.877 N/A ARG 99.A NH2 THR 62.A O no hydrogen 2.941 N/A ALA 100.A N ASP 86.A O no hydrogen 3.119 N/A ASN 101.A ND2 GLU 137.A O no hydrogen 2.887 N/A ILE 102.A N GLY 84.A O no hydrogen 2.777 N/A ALA 103.A N PHE 41.A O no hydrogen 2.862 N/A ALA 104.A N GLU 82.A O no hydrogen 2.893 N/A ILE 105.A N VAL 43.A O no hydrogen 2.849 N/A THR 106.A N GLU 80.A O no hydrogen 2.921 N/A GLU 107.A N GLU 80.A O no hydrogen 3.368 N/A ASP 109.A N LYS 78.A O no hydrogen 2.961 N/A LYS 110.A NZ GLN 76.A O no hydrogen 3.111 N/A SER 116.A N ILE 113.A O no hydrogen 3.277 N/A SER 116.A OG ILE 113.A O no hydrogen 3.226 N/A ASN 117.A ND2 TYR 18.A OH no hydrogen 2.867 N/A TRP 118.A N SER 116.A OG no hydrogen 3.423 N/A TRP 118.A NE1 GLN 15.A O no hydrogen 2.788 N/A GLU 119.A N ASN 31.A O no hydrogen 2.729 N/A ILE 121.A N ALA 42.A O no hydrogen 2.688 N/A LEU 122.A N LEU 33.A O no hydrogen 2.749 N/A GLY 123.A N ASN 40.A O no hydrogen 2.926 N/A LEU 124.A N ASP 35.A O no hydrogen 2.882 N/A ALA 125.A N SER 38.A O no hydrogen 2.907 N/A TYR 126.A N TRP 194.A O no hydrogen 2.963 N/A ILE 129.A N TYR 126.A O no hydrogen 3.230 N/A ALA 130.A N ALA 127.A O no hydrogen 2.830 N/A ARG 131.A N ASN 40.A OD1 no hydrogen 2.805 N/A SER 135.A N ASP 133.A OD2 no hydrogen 2.728 N/A SER 135.A OG ASP 133.A OD2 no hydrogen 2.509 N/A LEU 136.A N ASP 133.A O no hydrogen 3.344 N/A SER 142.A N PRO 138.A O no hydrogen 3.193 N/A SER 142.A OG GLU 137.A OE2 no hydrogen 2.598 N/A SER 142.A OG PRO 138.A O no hydrogen 3.377 N/A LEU 143.A N PHE 139.A O no hydrogen 2.911 N/A VAL 144.A N PHE 140.A O no hydrogen 2.966 N/A LYS 145.A N ASP 141.A O no hydrogen 2.929 N/A LYS 145.A NZ GLU 137.A OE1 no hydrogen 3.180 N/A GLN 146.A N SER 142.A O no hydrogen 2.865 N/A GLN 146.A NE2 ARG 99.A O no hydrogen 2.747 N/A THR 147.A N LEU 143.A O no hydrogen 2.967 N/A THR 147.A OG1 LEU 143.A O no hydrogen 2.688 N/A VAL 149.A N THR 147.A OG1 no hydrogen 3.122 N/A LEU 152.A N PRO 150.A O no hydrogen 2.788 N/A PHE 153.A N PHE 334.A O no hydrogen 3.277 N/A SER 154.A N ILE 172.A O no hydrogen 2.866 N/A SER 154.A OG ILE 172.A O no hydrogen 3.567 N/A SER 154.A OG GLY 175.A O no hydrogen 3.262 N/A SER 154.A OG TYR 331.A OH no hydrogen 2.536 N/A LEU 155.A N VAL 332.A O no hydrogen 2.828 N/A GLN 156.A N SER 170.A O no hydrogen 2.823 N/A GLN 156.A NE2 SER 346.A OG no hydrogen 3.105 N/A CYS 158.A N GLY 168.A O no hydrogen 3.016 N/A VAL 167.A N GLY 11.A O no hydrogen 2.806 N/A GLY 168.A N GLY 159.A O no hydrogen 3.410 N/A GLY 169.A N LEU 9.A O no hydrogen 3.336 N/A SER 170.A N GLN 156.A O no hydrogen 2.805 N/A MET 171.A N ASN 8.A OD1 no hydrogen 2.796 N/A ILE 172.A N SER 154.A O no hydrogen 2.938 N/A GLY 174.A N LEU 152.A O no hydrogen 2.780 N/A ASP 177.A N TYR 331.A OH no hydrogen 3.150 N/A SER 179.A N ASP 177.A OD2 no hydrogen 3.063 N/A SER 179.A OG ASP 177.A OD2 no hydrogen 2.698 N/A LEU 180.A N ASP 177.A O no hydrogen 3.045 N/A TYR 181.A OH HIS 178.A ND1 no hydrogen 2.916 N/A THR 182.A N VAL 345.A O no hydrogen 3.061 N/A TRP 186.A N PHE 343.A O no hydrogen 2.877 N/A THR 188.A N ILE 341.A O no hydrogen 2.899 N/A THR 188.A OG1 MET 285.A O no hydrogen 2.584 N/A ILE 190.A N LYS 339.A O no hydrogen 2.956 N/A ARG 191.A N GLU 197.A O no hydrogen 2.872 N/A ARG 191.A NH1 GLU 197.A OE2 no hydrogen 2.969 N/A TRP 194.A N ARG 192.A O no hydrogen 3.127 N/A TRP 194.A N TYR 195.A O no hydrogen 3.192 N/A TRP 194.A NE1 GLU 197.A OE1 no hydrogen 2.874 N/A TYR 196.A OH LEU 124.A O no hydrogen 2.562 N/A VAL 198.A N SER 222.A O no hydrogen 2.835 N/A ILE 200.A N ASN 218.A OD1 no hydrogen 2.850 N/A VAL 201.A N TYR 283.A O no hydrogen 2.769 N/A GLU 204.A N SER 281.A O no hydrogen 3.008 N/A ILE 205.A N GLN 208.A O no hydrogen 3.001 N/A ASN 206.A N VAL 279.A O no hydrogen 2.880 N/A GLN 208.A N ILE 205.A O no hydrogen 2.859 N/A LEU 210.A N VAL 203.A O no hydrogen 3.042 N/A LYS 211.A N ASP 209.A OD2 no hydrogen 2.863 N/A LYS 211.A NZ GLN 208.A OE1 no hydrogen 2.521 N/A LYS 211.A NZ ASP 209.A O no hydrogen 2.766 N/A MET 212.A N TYR 217.A OH no hydrogen 3.316 N/A LYS 215.A N ASP 213.A OD1 no hydrogen 3.039 N/A LYS 215.A NZ ASP 367.A O no hydrogen 2.868 N/A GLU 216.A N ASP 213.A O no hydrogen 2.979 N/A TYR 217.A N CYS 214.A O no hydrogen 3.148 N/A ASN 218.A N LYS 215.A O no hydrogen 3.158 N/A ASN 218.A ND2 ILE 200.A O no hydrogen 2.924 N/A ASN 218.A ND2 CYS 368.A O no hydrogen 2.987 N/A LYS 221.A NZ THR 318.A O no hydrogen 2.948 N/A SER 222.A OG ASN 218.A OD1 no hydrogen 2.785 N/A ILE 223.A N THR 320.A O no hydrogen 3.013 N/A VAL 224.A N TYR 196.A O no hydrogen 3.076 N/A ASP 225.A N MET 322.A O no hydrogen 2.977 N/A SER 226.A N THR 36.A OG1 no hydrogen 2.856 N/A SER 226.A OG VAL 34.A O no hydrogen 2.719 N/A GLY 227.A N ASP 225.A OD1 no hydrogen 2.731 N/A THR 228.A N ASP 225.A O no hydrogen 3.170 N/A THR 228.A OG1 ASP 225.A OD2 no hydrogen 2.773 N/A THR 229.A OG1 GLY 14.A O no hydrogen 3.300 N/A ASN 230.A ND2 SER 314.A OG no hydrogen 3.201 N/A LEU 231.A N ALA 312.A O no hydrogen 3.108 N/A ARG 232.A N VAL 321.A O no hydrogen 2.888 N/A ARG 232.A NH2 GLN 315.A O no hydrogen 3.251 N/A LEU 233.A N SER 314.A O no hydrogen 2.904 N/A PHE 238.A N PRO 234.A O no hydrogen 2.723 N/A GLU 239.A N LYS 235.A O no hydrogen 3.026 N/A ALA 240.A N LYS 236.A O no hydrogen 3.320 N/A ALA 241.A N VAL 237.A O no hydrogen 2.847 N/A VAL 242.A N PHE 238.A O no hydrogen 2.919 N/A LYS 243.A N GLU 239.A O no hydrogen 3.075 N/A SER 244.A N ALA 240.A O no hydrogen 3.205 N/A ILE 245.A N ALA 241.A O no hydrogen 2.897 N/A LYS 246.A N VAL 242.A O no hydrogen 2.712 N/A ALA 247.A N LYS 243.A O no hydrogen 3.088 N/A ALA 248.A N SER 244.A O no hydrogen 2.974 N/A SER 249.A N ILE 245.A O no hydrogen 3.120 N/A SER 249.A OG ILE 245.A O no hydrogen 3.074 N/A SER 249.A OG LYS 246.A O no hydrogen 3.475 N/A SER 250.A N ALA 247.A O no hydrogen 3.184 N/A SER 250.A OG ALA 247.A O no hydrogen 3.404 N/A PHE 258.A N PRO 255.A O no hydrogen 2.767 N/A LEU 260.A N ASP 256.A O no hydrogen 2.919 N/A GLY 261.A N PHE 258.A O no hydrogen 2.927 N/A GLU 262.A N GLY 257.A O no hydrogen 3.231 N/A VAL 265.A N TYR 309.A O no hydrogen 2.971 N/A TRP 267.A N ASP 307.A O no hydrogen 2.997 N/A TRP 267.A NE1 GLU 252.A OE2 no hydrogen 2.955 N/A GLN 268.A N THR 271.A OG1 no hydrogen 3.079 N/A GLY 270.A N ASP 307.A OD1 no hydrogen 3.031 N/A THR 271.A OG1 GLN 268.A O no hydrogen 3.162 N/A THR 272.A OG1 TYR 309.A OH no hydrogen 3.002 N/A TRP 274.A N THR 272.A O no hydrogen 3.062 N/A ILE 276.A N PRO 273.A O no hydrogen 3.090 N/A PHE 277.A N TRP 274.A O no hydrogen 2.910 N/A VAL 279.A N ASN 206.A OD1 no hydrogen 3.117 N/A ILE 280.A N ILE 297.A O no hydrogen 2.995 N/A SER 281.A N GLU 204.A O no hydrogen 2.925 N/A SER 281.A OG THR 296.A OG1 no hydrogen 2.829 N/A LEU 282.A N ILE 295.A O no hydrogen 3.002 N/A TYR 283.A N ARG 202.A O no hydrogen 2.876 N/A TYR 283.A OH GLU 204.A OE1 no hydrogen 3.346 N/A TYR 283.A OH GLU 204.A OE2 no hydrogen 3.043 N/A LEU 284.A N PHE 293.A O no hydrogen 2.820 N/A MET 285.A N ILE 199.A O no hydrogen 3.009 N/A GLY 286.A N GLN 291.A O no hydrogen 2.875 N/A ASN 290.A ND2 LEU 366.A O no hydrogen 2.873 N/A GLN 291.A N VAL 288.A O no hydrogen 2.839 N/A SER 292.A N PHE 363.A O no hydrogen 2.837 N/A SER 292.A OG PHE 363.A O no hydrogen 3.017 N/A PHE 293.A N LEU 284.A O no hydrogen 3.068 N/A ARG 294.A N GLU 360.A O no hydrogen 2.799 N/A ARG 294.A NE GLU 360.A OE2 no hydrogen 2.850 N/A ARG 294.A NH1 TYR 283.A OH no hydrogen 2.875 N/A ARG 294.A NH2 GLU 360.A OE2 no hydrogen 3.021 N/A ILE 295.A N LEU 282.A O no hydrogen 2.959 N/A THR 296.A N ALA 358.A O no hydrogen 2.858 N/A THR 296.A OG1 SER 281.A OG no hydrogen 2.829 N/A ILE 297.A N ILE 280.A O no hydrogen 2.771 N/A LEU 298.A N GLN 301.A OE1 no hydrogen 2.945 N/A GLN 300.A N GLN 300.A OE1 no hydrogen 2.831 N/A GLN 300.A NE2 ASP 352.A OD1 no hydrogen 2.915 N/A GLN 301.A N LEU 298.A O no hydrogen 3.034 N/A GLN 301.A NE2 VAL 325.A O no hydrogen 3.335 N/A TYR 302.A N LEU 298.A O no hydrogen 3.302 N/A TYR 302.A OH PRO 278.A O no hydrogen 2.693 N/A LEU 303.A N PRO 299.A O no hydrogen 2.839 N/A ARG 304.A N LYS 310.A O no hydrogen 2.919 N/A ARG 304.A NH1 SER 13.A OG no hydrogen 3.283 N/A VAL 306.A N CYS 308.A O no hydrogen 2.756 N/A TYR 309.A N VAL 265.A O no hydrogen 2.884 N/A TYR 309.A OH THR 272.A OG1 no hydrogen 3.002 N/A LYS 310.A N ARG 304.A O no hydrogen 2.860 N/A ALA 312.A N TYR 302.A O no hydrogen 2.861 N/A SER 314.A N LEU 231.A O no hydrogen 3.061 N/A SER 316.A N LEU 233.A O no hydrogen 2.795 N/A SER 316.A OG GLY 319.A O no hydrogen 2.707 N/A THR 318.A N SER 316.A OG no hydrogen 3.059 N/A THR 320.A N LYS 221.A O no hydrogen 2.829 N/A THR 320.A OG1 TYR 217.A O no hydrogen 2.722 N/A VAL 321.A N ARG 232.A O no hydrogen 2.853 N/A MET 322.A N ILE 223.A O no hydrogen 2.888 N/A ALA 324.A N THR 228.A O no hydrogen 2.695 N/A VAL 325.A N THR 229.A O no hydrogen 3.057 N/A ILE 326.A N GLY 323.A O no hydrogen 3.035 N/A MET 327.A N GLY 323.A O no hydrogen 3.051 N/A GLU 328.A N ALA 324.A O no hydrogen 2.784 N/A GLY 329.A N ILE 326.A O no hydrogen 3.461 N/A PHE 330.A N MET 327.A O no hydrogen 2.856 N/A TYR 331.A N ALA 344.A O no hydrogen 2.783 N/A TYR 331.A OH SER 154.A OG no hydrogen 2.536 N/A VAL 332.A N LEU 155.A O no hydrogen 3.050 N/A VAL 333.A N GLY 342.A O no hydrogen 2.847 N/A PHE 334.A N PHE 153.A O no hydrogen 2.690 N/A ASP 335.A N ARG 340.A O no hydrogen 2.983 N/A ARG 336.A N PHE 334.A O no hydrogen 2.997 N/A ARG 336.A NE ASN 151.A OD1 no hydrogen 2.856 N/A ARG 336.A NH1 TYR 196.A OH no hydrogen 3.004 N/A ARG 336.A NH2 ASP 141.A OD2 no hydrogen 3.301 N/A ALA 337.A N ASN 151.A O no hydrogen 3.021 N/A ARG 338.A N ASP 335.A O no hydrogen 3.285 N/A ARG 338.A N ASP 335.A OD1 no hydrogen 3.103 N/A LYS 339.A N ARG 336.A O no hydrogen 3.268 N/A ARG 340.A N ASP 335.A O no hydrogen 3.108 N/A ARG 340.A NE ASP 335.A OD2 no hydrogen 2.895 N/A ARG 340.A NH1 GLU 287.A OE2 no hydrogen 2.925 N/A ARG 340.A NH2 ASP 335.A OD2 no hydrogen 3.499 N/A ILE 341.A N THR 188.A O no hydrogen 2.799 N/A GLY 342.A N VAL 333.A O no hydrogen 2.881 N/A PHE 343.A N TRP 186.A O no hydrogen 2.880 N/A ALA 344.A N TYR 331.A O no hydrogen 3.149 N/A SER 346.A N GLY 329.A O no hydrogen 3.350 N/A ALA 347.A N LEU 180.A O no hydrogen 2.871 N/A CYS 348.A N SER 346.A OG no hydrogen 3.022 N/A CYS 348.A SG LEU 157.A O no hydrogen 4.003 N/A CYS 348.A SG SER 346.A OG no hydrogen 3.124 N/A HIS 349.A ND1 SER 346.A O no hydrogen 3.108 N/A HIS 351.A ND1 ARG 355.A O no hydrogen 3.212 N/A PHE 354.A N ASP 352.A OD2 no hydrogen 3.094 N/A ARG 355.A N ASP 352.A OD2 no hydrogen 2.905 N/A ARG 355.A NH1 PHE 277.A O no hydrogen 2.552 N/A ARG 355.A NH2 TRP 274.A O no hydrogen 3.201 N/A ARG 355.A NH2 PHE 277.A O no hydrogen 2.989 N/A THR 356.A OG1 HIS 351.A ND1 no hydrogen 2.783 N/A ALA 358.A N THR 296.A O no hydrogen 3.264 N/A GLU 360.A N ARG 294.A O no hydrogen 2.993 N/A PHE 363.A N SER 292.A O no hydrogen 2.780 N/A THR 365.A N ASN 290.A O no hydrogen 2.793 N/A THR 365.A OG1 ASN 290.A O no hydrogen 3.443 N/A