Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 1ucw_A.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): LYS 3.A N SER 253.A O no hydrogen 2.916 N/A LYS 3.A NZ GLU 254.A O no hydrogen 3.032 N/A LEU 4.A N LEU 250.A O no hydrogen 3.332 N/A THR 5.A N ASP 2.A OD2 no hydrogen 3.156 N/A THR 5.A OG1 ASP 2.A OD1 no hydrogen 2.821 N/A THR 5.A OG1 ASP 2.A OD2 no hydrogen 3.060 N/A SER 6.A N ASP 2.A O no hydrogen 3.047 N/A LEU 7.A N LYS 3.A O no hydrogen 2.820 N/A ARG 8.A N LEU 4.A O no hydrogen 3.189 N/A ARG 8.A NH1 TYR 26.A O no hydrogen 3.274 N/A ARG 8.A NH1 GLN 27.A O no hydrogen 3.034 N/A ARG 8.A NH2 TYR 26.A O no hydrogen 2.646 N/A GLN 9.A N SER 6.A O no hydrogen 3.304 N/A GLN 9.A NE2 SER 6.A O no hydrogen 3.078 N/A TYR 10.A N LEU 7.A O no hydrogen 3.094 N/A TYR 10.A OH ILE 257.A O no hydrogen 2.790 N/A THR 11.A N LEU 7.A O no hydrogen 2.855 N/A THR 11.A OG1 CYS 237.A O no hydrogen 2.853 N/A THR 12.A N ASP 238.A O no hydrogen 3.184 N/A VAL 14.A N LEU 240.A O no hydrogen 3.065 N/A ALA 15.A N ASP 30.A O no hydrogen 3.120 N/A ASP 16.A N ILE 242.A O no hydrogen 2.847 N/A THR 17.A N THR 32.A O no hydrogen 3.030 N/A ASP 19.A N THR 17.A OG1 no hydrogen 3.039 N/A ILE 20.A N TYR 47.A OH no hydrogen 2.785 N/A ALA 21.A N ASP 19.A OD1 no hydrogen 3.197 N/A ALA 22.A N ASP 19.A O no hydrogen 3.395 N/A MET 23.A N ILE 20.A O no hydrogen 3.145 N/A LYS 24.A N ILE 20.A O no hydrogen 3.340 N/A LEU 25.A N ALA 21.A O no hydrogen 3.210 N/A TYR 26.A N ALA 22.A O no hydrogen 3.100 N/A GLN 27.A N MET 23.A O no hydrogen 3.075 N/A GLN 29.A N VAL 13.A O no hydrogen 2.940 N/A ALA 31.A N ARG 91.A O no hydrogen 2.966 N/A THR 32.A N ALA 15.A O no hydrogen 2.861 N/A THR 32.A OG1 ALA 15.A O no hydrogen 3.546 N/A THR 32.A OG1 ASP 16.A OD1 no hydrogen 2.735 N/A THR 32.A OG1 THR 241.A OG1 no hydrogen 2.658 N/A THR 33.A N SER 93.A O no hydrogen 3.118 N/A THR 33.A OG1 SER 93.A O no hydrogen 2.703 N/A SER 36.A OG ASP 303.A OD2 no hydrogen 2.635 N/A LEU 37.A N ASN 34.A OD1 no hydrogen 2.953 N/A ILE 38.A N ASN 34.A O no hydrogen 2.949 N/A LEU 39.A N PRO 35.A O no hydrogen 3.113 N/A ASN 40.A N SER 36.A O no hydrogen 3.083 N/A ALA 41.A N LEU 37.A O no hydrogen 2.779 N/A ALA 42.A N ILE 38.A O no hydrogen 3.105 N/A GLN 43.A N ASN 40.A O no hydrogen 3.037 N/A GLN 43.A NE2 LEU 39.A O no hydrogen 2.845 N/A ILE 44.A N ALA 41.A O no hydrogen 3.063 N/A TYR 47.A N ILE 44.A O no hydrogen 2.840 N/A TYR 47.A OH GLY 18.A O no hydrogen 2.698 N/A ARG 48.A N PRO 45.A O no hydrogen 3.272 N/A ILE 51.A N TYR 47.A O no hydrogen 3.162 N/A ASP 52.A N ARG 48.A O no hydrogen 2.885 N/A ASP 53.A N LYS 49.A O no hydrogen 2.883 N/A ALA 54.A N LEU 50.A O no hydrogen 2.989 N/A VAL 55.A N ILE 51.A O no hydrogen 2.952 N/A ALA 56.A N ASP 52.A O no hydrogen 2.913 N/A TRP 57.A N ASP 53.A O no hydrogen 2.957 N/A ALA 58.A N ALA 54.A O no hydrogen 2.918 N/A LYS 59.A N VAL 55.A O no hydrogen 3.100 N/A LYS 59.A NZ LEU 315.A O no hydrogen 2.877 N/A GLN 60.A N TRP 57.A O no hydrogen 3.126 N/A GLN 61.A N ALA 58.A O no hydrogen 2.852 N/A SER 62.A N ALA 58.A O no hydrogen 3.321 N/A SER 62.A OG ASP 64.A O no hydrogen 3.517 N/A ALA 66.A N ASP 64.A OD1 no hydrogen 3.369 N/A GLN 68.A N ASP 64.A O no hydrogen 2.940 N/A GLN 68.A NE2 SER 62.A O no hydrogen 2.762 N/A ILE 69.A N ARG 65.A O no hydrogen 3.076 N/A VAL 70.A N ALA 66.A O no hydrogen 3.469 N/A ASP 71.A N GLN 67.A O no hydrogen 2.742 N/A ALA 72.A N GLN 68.A O no hydrogen 2.896 N/A THR 73.A N ILE 69.A O no hydrogen 3.121 N/A THR 73.A OG1 ILE 69.A O no hydrogen 2.982 N/A THR 73.A OG1 VAL 70.A O no hydrogen 2.954 N/A ASP 74.A N VAL 70.A O no hydrogen 3.104 N/A LYS 75.A N ASP 71.A O no hydrogen 2.948 N/A LYS 75.A NZ ASN 79.A OD1 no hydrogen 2.669 N/A LEU 76.A N ALA 72.A O no hydrogen 2.938 N/A ALA 77.A N THR 73.A O no hydrogen 3.294 N/A VAL 78.A N ASP 74.A O no hydrogen 2.964 N/A ASN 79.A N LYS 75.A O no hydrogen 2.622 N/A ASN 79.A ND2 LEU 50.A O no hydrogen 3.104 N/A ASN 79.A ND2 ASP 53.A OD1 no hydrogen 3.091 N/A ILE 80.A N LEU 76.A O no hydrogen 2.974 N/A GLY 81.A N ALA 77.A O no hydrogen 3.134 N/A LEU 82.A N VAL 78.A O no hydrogen 2.811 N/A GLU 83.A N ASN 79.A O no hydrogen 3.147 N/A ILE 84.A N ILE 80.A O no hydrogen 3.284 N/A LEU 85.A N GLY 81.A O no hydrogen 2.989 N/A LYS 86.A N GLU 83.A O no hydrogen 3.359 N/A LYS 86.A NZ GLU 83.A OE1 no hydrogen 3.484 N/A LYS 86.A NZ GLU 83.A OE2 no hydrogen 2.898 N/A LEU 87.A N ILE 84.A O no hydrogen 2.839 N/A ARG 91.A N ASP 30.A OD1 no hydrogen 2.895 N/A ARG 91.A NH1 ILE 128.A O no hydrogen 2.983 N/A ILE 92.A N ARG 127.A O no hydrogen 2.910 N/A SER 93.A N ALA 31.A O no hydrogen 3.104 N/A THR 94.A N LEU 129.A O no hydrogen 3.057 N/A THR 94.A OG1 TYR 118.A OH no hydrogen 2.560 N/A ARG 99.A N ASP 97.A OD1 no hydrogen 3.180 N/A ARG 99.A NE ASP 97.A OD1 no hydrogen 3.021 N/A ARG 99.A NE ASP 97.A OD2 no hydrogen 3.136 N/A ARG 99.A NH1 GLU 308.A OE1 no hydrogen 3.005 N/A ARG 99.A NH2 ASP 97.A OD2 no hydrogen 2.884 N/A ARG 99.A NH2 GLU 308.A OE1 no hydrogen 3.247 N/A ARG 99.A NH2 GLU 308.A OE2 no hydrogen 3.110 N/A LEU 100.A N ASP 97.A O no hydrogen 3.151 N/A SER 101.A N ALA 98.A O no hydrogen 2.998 N/A SER 101.A OG ALA 98.A O no hydrogen 2.532 N/A ASP 103.A N LEU 100.A O no hydrogen 2.853 N/A THR 104.A OG1 GLN 136.A O no hydrogen 3.040 N/A ALA 106.A N ASP 103.A OD1 no hydrogen 3.163 N/A SER 107.A N ASP 103.A O no hydrogen 3.119 N/A SER 107.A OG LEU 100.A O no hydrogen 2.982 N/A SER 107.A OG ASP 103.A O no hydrogen 2.933 N/A ILE 108.A N THR 104.A O no hydrogen 3.037 N/A ALA 109.A N GLU 105.A O no hydrogen 3.089 N/A LYS 110.A N ALA 106.A O no hydrogen 2.917 N/A LYS 110.A NZ ASP 74.A OD1 no hydrogen 3.385 N/A LYS 110.A NZ ASP 74.A OD2 no hydrogen 2.859 N/A ALA 111.A N SER 107.A O no hydrogen 2.979 N/A LYS 112.A N ILE 108.A O no hydrogen 3.042 N/A LYS 112.A NZ GLU 147.A OE2 no hydrogen 2.943 N/A ARG 113.A N ALA 109.A O no hydrogen 3.043 N/A ARG 113.A NH2 ASP 71.A OD1 no hydrogen 2.966 N/A LEU 114.A N LYS 110.A O no hydrogen 3.070 N/A ILE 115.A N ALA 111.A O no hydrogen 3.030 N/A LYS 116.A N LYS 112.A O no hydrogen 2.875 N/A LEU 117.A N ARG 113.A O no hydrogen 2.920 N/A TYR 118.A N LEU 114.A O no hydrogen 3.041 N/A TYR 118.A OH THR 94.A OG1 no hydrogen 2.560 N/A ASN 119.A N ILE 115.A O no hydrogen 2.843 N/A ASN 119.A ND2 ASN 125.A OD1 no hydrogen 3.678 N/A ASP 120.A N LYS 116.A O no hydrogen 2.821 N/A ALA 121.A N TYR 118.A O no hydrogen 2.919 N/A GLY 122.A N ASN 119.A O no hydrogen 2.953 N/A ILE 123.A N TYR 118.A O no hydrogen 3.098 N/A SER 124.A OG ASP 126.A OD1 no hydrogen 2.616 N/A ASN 125.A ND2 GLY 148.A O no hydrogen 3.099 N/A ARG 127.A N SER 124.A O no hydrogen 3.074 N/A ARG 127.A NH1 VAL 88.A O no hydrogen 2.855 N/A ARG 127.A NH1 GLY 90.A O no hydrogen 2.694 N/A ARG 127.A NH2 LEU 85.A O no hydrogen 2.889 N/A ILE 128.A N ASN 125.A O no hydrogen 3.258 N/A LEU 129.A N ILE 92.A O no hydrogen 2.810 N/A ILE 130.A N ASN 150.A O no hydrogen 2.963 N/A SER 133.A N THR 154.A O no hydrogen 2.857 N/A SER 133.A OG THR 154.A O no hydrogen 2.743 N/A THR 134.A N ALA 132.A O no hydrogen 2.953 N/A THR 134.A OG1 SER 101.A O no hydrogen 2.678 N/A GLY 137.A N THR 134.A OG1 no hydrogen 3.034 N/A ILE 138.A N THR 134.A O no hydrogen 3.053 N/A ARG 139.A N TRP 135.A O no hydrogen 3.006 N/A ARG 139.A NE GLU 142.A OE1 no hydrogen 3.329 N/A ARG 139.A NH2 GLU 142.A OE1 no hydrogen 3.009 N/A ALA 140.A N GLN 136.A O no hydrogen 3.005 N/A ALA 141.A N GLY 137.A O no hydrogen 2.818 N/A GLU 142.A N ILE 138.A O no hydrogen 2.988 N/A LEU 144.A N ALA 140.A O no hydrogen 2.954 N/A GLU 145.A N ALA 141.A O no hydrogen 2.906 N/A GLU 147.A N LEU 144.A O no hydrogen 2.815 N/A GLY 148.A N GLU 145.A O no hydrogen 3.184 N/A ILE 149.A N LEU 144.A O no hydrogen 3.020 N/A CYS 151.A N GLU 145.A OE2 no hydrogen 2.939 N/A CYS 151.A SG ILE 149.A O no hydrogen 3.858 N/A ASN 152.A N ILE 130.A O no hydrogen 2.781 N/A ASN 152.A ND2 SER 93.A OG no hydrogen 3.045 N/A LEU 153.A N LEU 172.A O no hydrogen 2.889 N/A THR 154.A N LEU 131.A O no hydrogen 2.884 N/A SER 158.A OG HIS 283.A ND1 no hydrogen 2.877 N/A GLN 161.A N SER 158.A O no hydrogen 3.053 N/A GLN 161.A N SER 158.A OG no hydrogen 3.355 N/A GLN 161.A NE2 SER 158.A OG no hydrogen 3.389 N/A ALA 162.A N SER 158.A O no hydrogen 3.218 N/A ARG 163.A N PHE 159.A O no hydrogen 2.861 N/A ARG 163.A NE GLU 167.A OE2 no hydrogen 2.958 N/A ARG 163.A NH2 ALA 272.A O no hydrogen 2.768 N/A ALA 164.A N ALA 160.A O no hydrogen 2.994 N/A CYS 165.A N GLN 161.A O no hydrogen 2.905 N/A CYS 165.A SG GLN 161.A O no hydrogen 3.318 N/A ALA 166.A N ALA 162.A O no hydrogen 3.035 N/A GLU 167.A N ARG 163.A O no hydrogen 3.072 N/A ALA 168.A N ALA 164.A O no hydrogen 3.144 N/A ALA 168.A N CYS 165.A O no hydrogen 3.099 N/A GLY 169.A N ALA 166.A O no hydrogen 3.071 N/A PHE 171.A N GLU 145.A OE2 no hydrogen 2.918 N/A LEU 172.A N CYS 151.A O no hydrogen 3.164 N/A ILE 173.A N VAL 219.A O no hydrogen 2.978 N/A SER 174.A N LEU 153.A O no hydrogen 2.785 N/A SER 174.A OG ASN 152.A OD1 no hydrogen 2.669 N/A PHE 176.A N LEU 156.A O no hydrogen 3.179 N/A VAL 177.A N ALA 223.A O no hydrogen 2.872 N/A GLY 178.A N SER 224.A O no hydrogen 2.600 N/A LEU 181.A N VAL 177.A O no hydrogen 3.292 N/A ASP 182.A N GLY 178.A O no hydrogen 2.926 N/A TRP 183.A N ARG 179.A O no hydrogen 3.132 N/A TRP 183.A NE1 ASP 291.A OD2.B no hydrogen 3.047 N/A TYR 184.A N ILE 180.A O no hydrogen 3.247 N/A LYS 185.A N LEU 181.A O no hydrogen 2.908 N/A LYS 185.A N ASP 182.A O no hydrogen 3.176 N/A ALA 186.A N ASP 182.A O no hydrogen 2.963 N/A ASN 187.A N TRP 183.A O no hydrogen 2.676 N/A ASN 187.A ND2 TRP 183.A O no hydrogen 2.978 N/A THR 188.A OG1 ASN 187.A O no hydrogen 3.040 N/A LYS 190.A NZ GLU 197.A OE1 no hydrogen 3.046 N/A LYS 191.A NZ LYS 185.A O no hydrogen 2.793 N/A LYS 191.A NZ THR 188.A O no hydrogen 3.093 N/A ALA 194.A N GLU 197.A OE2 no hydrogen 3.092 N/A GLU 197.A N ALA 194.A O no hydrogen 2.828 N/A GLY 200.A N ASP 198.A OD1 no hydrogen 2.949 N/A VAL 201.A N ASP 198.A OD1 no hydrogen 3.286 N/A VAL 202.A N ASP 198.A O no hydrogen 2.946 N/A SER 203.A N PRO 199.A O no hydrogen 2.922 N/A VAL 204.A N GLY 200.A O no hydrogen 2.956 N/A SER 205.A N VAL 201.A O no hydrogen 2.856 N/A SER 205.A OG VAL 201.A O no hydrogen 2.801 N/A GLU 206.A N VAL 202.A O no hydrogen 3.008 N/A ILE 207.A N SER 203.A O no hydrogen 3.037 N/A TYR 208.A N VAL 204.A O no hydrogen 2.749 N/A GLN 209.A N SER 205.A O no hydrogen 2.981 N/A GLN 209.A NE2 SER 262.A O no hydrogen 2.918 N/A TYR 210.A N GLU 206.A O no hydrogen 3.083 N/A TYR 211.A N ILE 207.A O no hydrogen 2.959 N/A TYR 211.A OH ALA 162.A O no hydrogen 2.675 N/A LYS 212.A N TYR 208.A O no hydrogen 3.038 N/A LYS 212.A NZ ASP 238.A OD1 no hydrogen 3.148 N/A LYS 212.A NZ ASP 238.A OD2 no hydrogen 2.977 N/A GLU 213.A N GLN 209.A O no hydrogen 2.882 N/A HIS 214.A N TYR 210.A O no hydrogen 3.322 N/A HIS 214.A ND1 TYR 210.A O no hydrogen 2.770 N/A GLY 215.A N LYS 212.A O no hydrogen 3.163 N/A TYR 216.A N TYR 211.A O no hydrogen 2.838 N/A THR 218.A OG1 VAL 170.A O no hydrogen 2.871 N/A VAL 219.A N PHE 171.A O no hydrogen 2.908 N/A VAL 220.A N ASP 238.A OD2 no hydrogen 3.137 N/A MET 221.A N ILE 173.A O no hydrogen 3.001 N/A GLY 222.A N ARG 239.A O no hydrogen 3.323 N/A ALA 223.A N PRO 175.A O no hydrogen 2.997 N/A ARG 226.A N GLU 230.A OE1 no hydrogen 2.944 N/A ARG 226.A NE ASP 182.A OD1 no hydrogen 3.088 N/A ARG 226.A NE ASP 182.A OD2 no hydrogen 3.208 N/A ARG 226.A NH1 PHE 225.A O no hydrogen 3.175 N/A ARG 226.A NH2 ASP 182.A OD2 no hydrogen 2.913 N/A GLU 230.A N ASN 227.A OD1 no hydrogen 3.049 N/A LEU 232.A N ILE 228.A O no hydrogen 2.899 N/A GLU 233.A N GLY 229.A O no hydrogen 3.065 N/A LEU 234.A N ILE 231.A O no hydrogen 2.978 N/A ALA 235.A N LEU 232.A O no hydrogen 3.160 N/A GLY 236.A N THR 11.A OG1 no hydrogen 2.900 N/A CYS 237.A N LEU 234.A O no hydrogen 2.966 N/A CYS 237.A SG VAL 220.A O no hydrogen 3.237 N/A CYS 237.A SG ARG 239.A O no hydrogen 3.737 N/A ARG 239.A N VAL 220.A O no hydrogen 3.274 N/A ARG 239.A NH1 ASP 30.A OD2 no hydrogen 2.752 N/A LEU 240.A N THR 12.A O no hydrogen 3.210 N/A THR 241.A N GLY 222.A O no hydrogen 3.002 N/A THR 241.A OG1 THR 32.A OG1 no hydrogen 2.658 N/A ILE 242.A N VAL 14.A O no hydrogen 2.921 N/A LEU 246.A N ALA 243.A O no hydrogen 3.032 N/A LEU 247.A N ALA 243.A O no hydrogen 2.998 N/A LYS 248.A N PRO 244.A O no hydrogen 2.865 N/A LYS 248.A NZ GLU 252.A OE2 no hydrogen 2.876 N/A GLU 249.A N ALA 245.A O no hydrogen 3.266 N/A LEU 250.A N LEU 246.A O no hydrogen 2.968 N/A ALA 251.A N LEU 247.A O no hydrogen 3.137 N/A GLU 252.A N LYS 248.A O no hydrogen 2.995 N/A SER 253.A OG GLU 249.A O no hydrogen 2.879 N/A SER 253.A OG LEU 250.A O no hydrogen 3.120 N/A GLY 255.A N THR 1.A O no hydrogen 2.985 N/A ILE 257.A N SER 6.A OG no hydrogen 3.134 N/A ARG 259.A NE LEU 261.A O no hydrogen 2.949 N/A ARG 259.A NE SER 262.A OG no hydrogen 2.991 N/A ARG 259.A NH2 LEU 261.A O no hydrogen 3.096 N/A LYS 260.A N ALA 235.A O no hydrogen 2.794 N/A LEU 261.A N ALA 235.A O no hydrogen 3.043 N/A TYR 263.A OH GLU 266.A O no hydrogen 2.774 N/A LYS 268.A N GLU 213.A O no hydrogen 2.711 N/A ARG 270.A NE HIS 214.A O no hydrogen 2.966 N/A ARG 270.A NH2 GLY 215.A O no hydrogen 2.760 N/A ARG 273.A NH1 GLU 142.A OE2 no hydrogen 2.895 N/A ARG 273.A NH2 GLU 142.A OE2 no hydrogen 3.027 N/A ILE 274.A N GLU 167.A OE1 no hydrogen 2.959 N/A THR 275.A N GLU 278.A OE1 no hydrogen 3.086 N/A THR 275.A OG1 GLU 278.A OE1 no hydrogen 3.034 N/A GLU 278.A N THR 275.A OG1 no hydrogen 3.402 N/A PHE 279.A N THR 275.A O no hydrogen 2.831 N/A LEU 280.A N GLU 276.A O no hydrogen 2.867 N/A TRP 281.A N SER 277.A O no hydrogen 3.011 N/A GLN 282.A N GLU 278.A O no hydrogen 2.932 N/A HIS 283.A N PHE 279.A O no hydrogen 2.738 N/A HIS 283.A ND1 SER 158.A OG no hydrogen 2.877 N/A ASN 284.A N LEU 280.A O no hydrogen 3.009 N/A ASN 284.A ND2 LEU 280.A O no hydrogen 2.793 N/A GLN 285.A N GLN 282.A O no hydrogen 3.273 N/A ASP 286.A N HIS 283.A O no hydrogen 3.119 N/A ALA 289.A N ASP 286.A OD1 no hydrogen 3.431 N/A VAL 290.A N ASP 286.A O no hydrogen 3.104 N/A ASP 291.A N PRO 287.A O no hydrogen 3.216 N/A LYS 292.A N MET 288.A O no hydrogen 2.917 N/A LYS 292.A NZ GLU 295.A OE1 no hydrogen 2.903 N/A LEU 293.A N ALA 289.A O no hydrogen 3.113 N/A GLU 295.A N ASP 291.A O no hydrogen 2.869 N/A GLY 296.A N LYS 292.A O no hydrogen 2.922 N/A ILE 297.A N LEU 293.A O no hydrogen 3.326 N/A ARG 298.A N ALA 294.A O no hydrogen 3.188 N/A LYS 299.A N GLU 295.A O no hydrogen 3.016 N/A PHE 300.A N GLY 296.A O no hydrogen 3.092 N/A ALA 301.A N ILE 297.A O no hydrogen 3.033 N/A ALA 301.A N ARG 298.A O no hydrogen 3.098 N/A ILE 302.A N ARG 298.A O no hydrogen 3.003 N/A ASP 303.A N LYS 299.A O no hydrogen 3.043 N/A GLN 304.A N PHE 300.A O no hydrogen 3.146 N/A GLN 304.A N ALA 301.A O no hydrogen 3.138 N/A GLU 305.A N ALA 301.A O no hydrogen 3.064 N/A LYS 306.A N ILE 302.A O no hydrogen 2.904 N/A LEU 307.A N ASP 303.A O no hydrogen 3.145 N/A LEU 307.A N GLN 304.A O no hydrogen 3.210 N/A GLU 308.A N GLN 304.A O no hydrogen 2.985 N/A LYS 309.A N GLU 305.A O no hydrogen 2.927 N/A MET 310.A N LYS 306.A O no hydrogen 3.302 N/A ILE 311.A N LEU 307.A O no hydrogen 2.984 N/A GLY 312.A N GLU 308.A O no hydrogen 2.934 N/A ASP 313.A N LYS 309.A O no hydrogen 3.161 N/A LEU 314.A N ILE 311.A O no hydrogen 3.049 N/A LEU 315.A N GLY 312.A O no hydrogen 3.482 N/A