Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 3urb_A.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): ILE 2.A N ILE 9.A O no hydrogen 2.830 N/A THR 4.A N GLY 7.A O no hydrogen 2.967 N/A THR 4.A OG1 GLY 7.A O no hydrogen 2.557 N/A VAL 5.A N ILE 89.A O no hydrogen 2.909 N/A ARG 6.A N THR 4.A OG1 no hydrogen 3.247 N/A GLY 7.A N THR 4.A O no hydrogen 3.086 N/A ILE 9.A N ILE 2.A O no hydrogen 2.892 N/A THR 10.A N GLU 13.A OE1 no hydrogen 3.146 N/A THR 10.A OG1 SER 12.A OG no hydrogen 3.218 N/A THR 10.A OG1 GLU 13.A OE1 no hydrogen 3.357 N/A SER 12.A OG THR 10.A OG1 no hydrogen 3.218 N/A GLU 13.A N THR 10.A O no hydrogen 3.185 N/A THR 17.A N THR 309.A O no hydrogen 2.955 N/A THR 17.A OG1 ALA 14.A O no hydrogen 3.471 N/A THR 17.A OG1 GLY 15.A O no hydrogen 2.986 N/A LEU 18.A N THR 62.A O no hydrogen 3.025 N/A HIS 20.A N SER 258.A OG no hydrogen 2.895 N/A GLU 21.A N VAL 64.A O no hydrogen 2.986 N/A HIS 22.A N TRP 261.A O no hydrogen 2.910 N/A HIS 22.A ND1 SER 67.A OG no hydrogen 2.804 N/A ILE 23.A N ASP 65.A OD2 no hydrogen 3.070 N/A GLY 25.A N THR 262.A OG1 no hydrogen 3.230 N/A GLY 25.A N GLY 264.A O no hydrogen 2.873 N/A SER 26.A N CYS 71.A O no hydrogen 2.800 N/A SER 26.A OG SER 266.A OG no hydrogen 2.708 N/A PHE 30.A N SER 27.A O no hydrogen 3.076 N/A ALA 33.A N GLY 29.A O no hydrogen 3.013 N/A TRP 34.A N PHE 30.A O no hydrogen 2.803 N/A GLU 36.A N GLU 36.A OE1 no hydrogen 2.993 N/A PHE 37.A N TRP 34.A O no hydrogen 3.227 N/A PHE 38.A N PRO 35.A O no hydrogen 3.129 N/A GLY 39.A N GLU 36.A O no hydrogen 3.026 N/A ARG 41.A NH1 ASP 74.A OD2 no hydrogen 2.897 N/A ARG 41.A NH2 ASP 74.A OD2 no hydrogen 2.938 N/A ALA 43.A N SER 40.A OG no hydrogen 2.934 N/A LEU 44.A N SER 40.A O no hydrogen 3.213 N/A VAL 45.A N ARG 41.A O no hydrogen 2.987 N/A GLU 46.A N LYS 42.A O no hydrogen 2.970 N/A LYS 47.A N ALA 43.A O no hydrogen 3.030 N/A LYS 47.A NZ ASP 277.A OD2 no hydrogen 2.879 N/A ALA 48.A N LEU 44.A O no hydrogen 2.968 N/A VAL 49.A N VAL 45.A O no hydrogen 2.855 N/A ARG 50.A N GLU 46.A O no hydrogen 3.076 N/A GLY 51.A N LYS 47.A O no hydrogen 2.964 N/A LEU 52.A N ALA 48.A O no hydrogen 2.856 N/A ARG 53.A N VAL 49.A O no hydrogen 2.921 N/A ARG 53.A NH2 ALA 84.A O no hydrogen 2.733 N/A ARG 54.A N ARG 50.A O no hydrogen 3.006 N/A ALA 55.A N GLY 51.A O no hydrogen 3.093 N/A ARG 56.A N LEU 52.A O no hydrogen 2.857 N/A ARG 56.A NE ASP 86.A O no hydrogen 3.024 N/A ALA 57.A N ARG 53.A O no hydrogen 2.956 N/A ALA 58.A N ARG 54.A O no hydrogen 3.214 N/A ALA 58.A N ALA 55.A O no hydrogen 3.098 N/A GLY 59.A N ARG 56.A O no hydrogen 2.997 N/A VAL 60.A N ALA 55.A O no hydrogen 3.035 N/A ARG 61.A N PHE 16.A O no hydrogen 2.862 N/A ARG 61.A NH1 ARG 56.A O no hydrogen 2.950 N/A ARG 61.A NH1 VAL 60.A O no hydrogen 2.847 N/A THR 62.A N PHE 16.A O no hydrogen 3.129 N/A THR 62.A OG1 ALA 14.A O no hydrogen 2.785 N/A ILE 63.A N HIS 88.A O no hydrogen 2.913 N/A VAL 64.A N LEU 18.A O no hydrogen 2.826 N/A ASP 65.A N VAL 90.A O no hydrogen 2.830 N/A VAL 66.A N GLU 21.A O no hydrogen 2.992 N/A SER 67.A N ASP 65.A OD1 no hydrogen 2.914 N/A SER 67.A OG HIS 22.A ND1 no hydrogen 2.804 N/A SER 67.A OG ASP 65.A OD1 no hydrogen 2.670 N/A THR 68.A OG1 ASP 70.A OD1 no hydrogen 2.639 N/A CYS 71.A N THR 68.A O no hydrogen 2.909 N/A CYS 71.A SG HIS 22.A ND1 no hydrogen 4.023 N/A GLY 72.A N PHE 69.A O no hydrogen 3.106 N/A ARG 73.A N THR 68.A O no hydrogen 3.199 N/A ARG 73.A NH1 ALA 92.A O no hydrogen 2.694 N/A ARG 73.A NH1 GLU 118.A OE1 no hydrogen 2.849 N/A ARG 73.A NH2 GLU 118.A OE2 no hydrogen 2.740 N/A SER 76.A N ASP 74.A OD1 no hydrogen 3.257 N/A SER 76.A OG ASP 74.A OD1 no hydrogen 2.570 N/A SER 76.A OG ASP 74.A OD2 no hydrogen 3.505 N/A LEU 77.A N ASP 74.A O no hydrogen 3.023 N/A LEU 78.A N ASP 74.A O no hydrogen 3.149 N/A ALA 79.A N VAL 75.A O no hydrogen 2.811 N/A GLU 80.A N SER 76.A O no hydrogen 3.135 N/A VAL 81.A N LEU 77.A O no hydrogen 2.950 N/A SER 82.A N LEU 78.A O no hydrogen 2.944 N/A SER 82.A OG VAL 87.A O no hydrogen 2.706 N/A ARG 83.A N ALA 79.A O no hydrogen 3.054 N/A ALA 84.A N GLU 80.A O no hydrogen 3.154 N/A ALA 85.A N VAL 81.A O no hydrogen 2.943 N/A VAL 87.A N SER 82.A O no hydrogen 3.398 N/A HIS 88.A N ARG 61.A O no hydrogen 2.993 N/A VAL 90.A N ILE 63.A O no hydrogen 2.988 N/A THR 93.A N ILE 132.A O no hydrogen 2.954 N/A THR 93.A OG1 GLU 118.A OE1 no hydrogen 2.666 N/A GLY 94.A N THR 93.A OG1 no hydrogen 2.818 N/A TRP 96.A N ASP 70.A OD1 no hydrogen 2.806 N/A TRP 96.A N ASP 70.A OD2 no hydrogen 3.164 N/A ASP 98.A N ASP 70.A OD2 no hydrogen 3.023 N/A MET 103.A N PRO 100.A O no hydrogen 2.934 N/A ARG 104.A N PRO 100.A O no hydrogen 2.886 N/A ARG 104.A NH1 PRO 99.A O no hydrogen 2.888 N/A LEU 105.A N LEU 101.A O no hydrogen 3.198 N/A ARG 106.A N MET 103.A O no hydrogen 3.177 N/A ARG 106.A NE GLU 110.A OE1 no hydrogen 3.012 N/A ARG 106.A NH1 SER 102.A O no hydrogen 2.876 N/A SER 107.A N GLU 110.A OE1 no hydrogen 3.071 N/A SER 107.A OG GLU 109.A OE2 no hydrogen 3.270 N/A SER 107.A OG GLU 110.A OE1 no hydrogen 3.523 N/A GLU 109.A N GLU 109.A OE2 no hydrogen 2.974 N/A GLU 110.A N SER 107.A OG no hydrogen 3.221 N/A LEU 111.A N SER 107.A O no hydrogen 3.014 N/A THR 112.A N VAL 108.A O no hydrogen 3.031 N/A THR 112.A OG1 VAL 108.A O no hydrogen 2.633 N/A GLN 113.A N GLU 109.A O no hydrogen 3.165 N/A PHE 114.A N GLU 110.A O no hydrogen 3.054 N/A PHE 115.A N LEU 111.A O no hydrogen 2.937 N/A LEU 116.A N THR 112.A O no hydrogen 2.900 N/A ARG 117.A N GLN 113.A O no hydrogen 2.964 N/A ARG 117.A NH1 GLY 122.A O no hydrogen 2.881 N/A ARG 117.A NH1 GLU 124.A O no hydrogen 3.021 N/A GLU 118.A N PHE 114.A O no hydrogen 3.221 N/A ILE 119.A N PHE 115.A O no hydrogen 3.232 N/A ILE 119.A N LEU 116.A O no hydrogen 3.194 N/A GLN 120.A N LEU 116.A O no hydrogen 2.713 N/A TYR 121.A N ARG 117.A O no hydrogen 2.933 N/A GLY 122.A N ARG 117.A O no hydrogen 2.811 N/A ILE 123.A N ILE 128.A O no hydrogen 2.718 N/A THR 126.A N ILE 123.A O no hydrogen 3.107 N/A THR 126.A OG1 ILE 123.A O no hydrogen 2.693 N/A ILE 128.A N THR 126.A OG1 no hydrogen 3.208 N/A ARG 129.A NE TYR 121.A O no hydrogen 3.320 N/A ALA 130.A N GLU 118.A O no hydrogen 2.878 N/A GLY 131.A N ALA 91.A O no hydrogen 2.915 N/A ILE 133.A N PRO 161.A O no hydrogen 2.941 N/A THR 136.A N HIS 165.A O no hydrogen 3.265 N/A THR 136.A OG1 ASP 172.A OD2 no hydrogen 2.952 N/A GLY 138.A N ASP 172.A OD2 no hydrogen 2.821 N/A ALA 140.A N GLN 175.A OE1 no hydrogen 2.962 N/A THR 141.A N GLN 144.A OE1 no hydrogen 3.131 N/A GLN 144.A N THR 141.A OG1 no hydrogen 3.104 N/A GLU 145.A N THR 141.A O no hydrogen 3.092 N/A LEU 146.A N PRO 142.A O no hydrogen 3.339 N/A VAL 147.A N PHE 143.A O no hydrogen 3.001 N/A LEU 148.A N GLN 144.A O no hydrogen 3.048 N/A ARG 149.A N GLU 145.A O no hydrogen 3.096 N/A ARG 149.A NH1 SER 182.A OG no hydrogen 2.872 N/A ARG 149.A NH1 GLU 183.A OE2 no hydrogen 2.952 N/A ARG 149.A NH2 GLU 145.A OE2 no hydrogen 3.436 N/A ALA 150.A N LEU 146.A O no hydrogen 2.944 N/A ALA 151.A N VAL 147.A O no hydrogen 2.848 N/A ALA 152.A N LEU 148.A O no hydrogen 3.010 N/A ARG 153.A N ARG 149.A O no hydrogen 2.970 N/A ARG 153.A NE GLU 183.A OE1 no hydrogen 2.766 N/A ARG 153.A NH2 GLU 183.A OE1 no hydrogen 3.551 N/A ARG 153.A NH2 GLU 183.A OE2 no hydrogen 2.999 N/A ALA 154.A N ALA 150.A O no hydrogen 2.946 N/A SER 155.A N ALA 151.A O no hydrogen 2.955 N/A SER 155.A OG VAL 160.A O no hydrogen 2.633 N/A LEU 156.A N ALA 152.A O no hydrogen 2.930 N/A ALA 157.A N ARG 153.A O no hydrogen 3.222 N/A THR 158.A N ALA 154.A O no hydrogen 3.199 N/A THR 158.A N SER 155.A O no hydrogen 3.222 N/A THR 158.A OG1 ALA 154.A O no hydrogen 2.668 N/A GLY 159.A N SER 155.A O no hydrogen 2.612 N/A VAL 160.A N THR 158.A OG1 no hydrogen 3.350 N/A VAL 162.A N ARG 189.A O no hydrogen 2.778 N/A THR 163.A N ILE 133.A O no hydrogen 2.791 N/A THR 164.A N CYS 191.A O no hydrogen 2.879 N/A THR 164.A OG1 GLN 176.A OE1 no hydrogen 2.874 N/A THR 164.A OG1 CYS 191.A O no hydrogen 3.481 N/A HIS 165.A N VAL 134.A O no hydrogen 2.910 N/A THR 166.A OG1 GLY 193.A O no hydrogen 2.628 N/A ALA 167.A N ASP 172.A OD2 no hydrogen 3.150 N/A GLN 170.A N ALA 167.A O no hydrogen 3.008 N/A ARG 171.A N ALA 168.A O no hydrogen 3.119 N/A GLY 173.A N TYR 203.A OH no hydrogen 3.013 N/A GLU 174.A N ARG 171.A O no hydrogen 3.241 N/A GLN 176.A N ASP 172.A O no hydrogen 3.033 N/A GLN 176.A NE2 THR 136.A OG1 no hydrogen 2.732 N/A GLN 176.A NE2 HIS 165.A O no hydrogen 3.134 N/A ALA 177.A N GLY 173.A O no hydrogen 2.973 N/A ALA 178.A N GLU 174.A O no hydrogen 3.112 N/A ILE 179.A N GLN 175.A O no hydrogen 3.096 N/A PHE 180.A N GLN 176.A O no hydrogen 2.947 N/A GLU 181.A N ALA 177.A O no hydrogen 2.923 N/A SER 182.A N ALA 178.A O no hydrogen 3.115 N/A SER 182.A OG ILE 179.A O no hydrogen 2.631 N/A GLU 183.A N PHE 180.A O no hydrogen 3.157 N/A GLY 184.A N GLU 181.A O no hydrogen 3.092 N/A LEU 185.A N PHE 180.A O no hydrogen 3.134 N/A SER 186.A OG SER 188.A OG no hydrogen 2.871 N/A SER 188.A OG SER 186.A OG no hydrogen 2.871 N/A ARG 189.A N SER 186.A O no hydrogen 3.045 N/A ARG 189.A NH1 ARG 315.A O no hydrogen 3.392 N/A ARG 189.A NH1 PHE 316.A O no hydrogen 3.208 N/A ARG 189.A NH2 GLY 159.A O no hydrogen 2.874 N/A ARG 189.A NH2 PHE 316.A O no hydrogen 2.821 N/A VAL 190.A N PRO 187.A O no hydrogen 3.074 N/A CYS 191.A N VAL 162.A O no hydrogen 2.857 N/A CYS 191.A SG LEU 213.A O no hydrogen 3.920 N/A ILE 192.A N LEU 213.A O no hydrogen 2.865 N/A GLY 193.A N THR 164.A OG1 no hydrogen 3.241 N/A HIS 194.A N ASP 217.A OD2 no hydrogen 2.808 N/A HIS 194.A ND1 ASP 217.A OD1 no hydrogen 2.689 N/A SER 195.A N GLY 215.A O no hydrogen 3.041 N/A SER 195.A OG ILE 192.A O no hydrogen 2.829 N/A ASP 197.A N HIS 194.A O no hydrogen 3.208 N/A ASP 200.A N THR 198.A OG1 no hydrogen 3.087 N/A TYR 203.A N ASP 200.A OD1 no hydrogen 3.200 N/A LEU 204.A N ASP 200.A O no hydrogen 3.444 N/A THR 205.A N LEU 201.A O no hydrogen 2.893 N/A THR 205.A OG1 LEU 201.A O no hydrogen 3.106 N/A THR 205.A OG1 SER 202.A O no hydrogen 3.132 N/A ALA 206.A N SER 202.A O no hydrogen 3.109 N/A LEU 207.A N TYR 203.A O no hydrogen 3.415 N/A ALA 208.A N LEU 204.A O no hydrogen 3.096 N/A ALA 209.A N THR 205.A O no hydrogen 2.926 N/A ARG 210.A N LEU 207.A O no hydrogen 3.126 N/A ARG 210.A NH2 GLU 181.A OE1 no hydrogen 3.570 N/A ARG 210.A NH2 GLU 181.A OE2 no hydrogen 2.901 N/A GLY 211.A N ALA 208.A O no hydrogen 3.200 N/A TYR 212.A N LEU 207.A O no hydrogen 3.227 N/A TYR 212.A OH GLU 181.A OE2 no hydrogen 2.660 N/A LEU 213.A N VAL 190.A O no hydrogen 3.002 N/A ILE 214.A N GLN 254.A O no hydrogen 2.707 N/A GLY 215.A N ILE 192.A O no hydrogen 2.878 N/A LEU 216.A N LEU 256.A O no hydrogen 2.921 N/A GLY 218.A N ASP 196.A OD1 no hydrogen 3.110 N/A GLY 218.A N ASP 196.A OD2 no hydrogen 2.974 N/A TRP 221.A N GLY 218.A O no hydrogen 3.126 N/A TRP 221.A NE1 ASN 259.A O no hydrogen 3.020 N/A TRP 221.A NE1 ASP 260.A O no hydrogen 3.126 N/A SER 222.A OG ARG 234.A O no hydrogen 2.905 N/A ALA 223.A N GLY 232.A O no hydrogen 3.039 N/A ALA 225.A N ASN 224.A OD1 no hydrogen 2.780 N/A SER 228.A N ASN 224.A O no hydrogen 3.085 N/A LEU 231.A N ALA 227.A O no hydrogen 3.230 N/A ARG 234.A NE ASP 199.A OD1 no hydrogen 2.980 N/A ARG 234.A NE ASP 199.A OD2 no hydrogen 3.039 N/A ARG 234.A NH1 ASP 196.A O no hydrogen 2.762 N/A ARG 234.A NH2 ASP 196.A O no hydrogen 2.955 N/A ARG 234.A NH2 ASP 199.A OD1 no hydrogen 2.924 N/A SER 235.A OG GLN 237.A OE1 no hydrogen 3.489 N/A SER 235.A OG THR 238.A OG1 no hydrogen 3.031 N/A GLN 237.A N GLN 237.A OE1 no hydrogen 2.944 N/A THR 238.A N SER 235.A OG no hydrogen 3.386 N/A THR 238.A OG1 SER 235.A OG no hydrogen 3.031 N/A ARG 239.A N SER 235.A O no hydrogen 3.294 N/A ARG 239.A NH1 ASP 196.A OD2 no hydrogen 2.921 N/A ARG 239.A NH1 ASP 197.A OD1 no hydrogen 2.713 N/A ARG 239.A NH2 ASP 197.A OD1 no hydrogen 3.247 N/A ARG 239.A NH2 LEU 231.A O no hydrogen 3.290 N/A ALA 240.A N TRP 236.A O no hydrogen 2.775 N/A LEU 241.A N GLN 237.A O no hydrogen 2.892 N/A LEU 242.A N ARG 239.A O no hydrogen 3.407 N/A ILE 243.A N ALA 240.A O no hydrogen 3.135 N/A LYS 244.A NZ ASP 248.A OD2 no hydrogen 2.899 N/A ALA 245.A N LEU 241.A O no hydrogen 2.940 N/A LEU 246.A N LEU 242.A O no hydrogen 3.187 N/A ILE 247.A N ILE 243.A O no hydrogen 3.121 N/A ASP 248.A N LYS 244.A O no hydrogen 2.951 N/A GLY 250.A N ILE 247.A O no hydrogen 2.955 N/A TYR 251.A N LEU 246.A O no hydrogen 2.903 N/A GLN 254.A N TYR 251.A O no hydrogen 3.161 N/A GLN 254.A NE2 TYR 212.A O no hydrogen 3.151 N/A LEU 256.A N ILE 214.A O no hydrogen 3.071 N/A SER 258.A N LEU 216.A O no hydrogen 3.307 N/A SER 258.A OG HIS 20.A O no hydrogen 3.062 N/A SER 258.A OG GLU 21.A OE2 no hydrogen 2.696 N/A ASN 259.A N GLU 21.A OE2 no hydrogen 2.773 N/A ASN 259.A ND2 GLU 21.A OE2 no hydrogen 2.909 N/A ASN 259.A ND2 MET 284.A O no hydrogen 3.065 N/A ASP 260.A N HIS 20.A O no hydrogen 3.052 N/A TRP 261.A N GLU 21.A OE1 no hydrogen 2.900 N/A THR 262.A OG1 GLY 264.A O no hydrogen 2.649 N/A PHE 263.A N ILE 23.A O no hydrogen 2.970 N/A SER 266.A N GLY 25.A O no hydrogen 2.848 N/A SER 266.A OG SER 26.A OG no hydrogen 2.708 N/A SER 267.A OG SER 26.A O no hydrogen 3.557 N/A TYR 268.A OH SER 226.A O no hydrogen 2.856 N/A LEU 276.A N ILE 272.A O no hydrogen 2.874 N/A ASP 277.A N MET 273.A O no hydrogen 2.951 N/A ARG 278.A NE ASP 274.A O no hydrogen 3.398 N/A VAL 279.A N VAL 275.A O no hydrogen 3.274 N/A VAL 279.A N LEU 276.A O no hydrogen 3.223 N/A ASN 280.A N LEU 276.A O no hydrogen 3.018 N/A ASN 280.A ND2 GLY 283.A O no hydrogen 2.969 N/A GLY 283.A N ASN 280.A O no hydrogen 3.345 N/A ALA 285.A N ASP 282.A O no hydrogen 3.014 N/A PHE 286.A N GLY 283.A O no hydrogen 3.208 N/A ILE 287.A N ASN 259.A OD1 no hydrogen 3.119 N/A LEU 289.A N ALA 285.A O no hydrogen 2.987 N/A ARG 290.A N PHE 286.A O no hydrogen 2.867 N/A ARG 290.A NE ASP 282.A OD2 no hydrogen 2.869 N/A ARG 290.A NH1 LEU 289.A O no hydrogen 3.399 N/A ARG 290.A NH2 ASP 282.A OD1 no hydrogen 3.070 N/A VAL 291.A N PHE 286.A O no hydrogen 3.331 N/A ILE 292.A N ILE 287.A O no hydrogen 3.026 N/A PHE 294.A N ARG 290.A O no hydrogen 3.295 N/A LEU 295.A N VAL 291.A O no hydrogen 3.022 N/A ARG 296.A N ILE 292.A O no hydrogen 3.073 N/A ARG 296.A NH1 VAL 300.A O no hydrogen 2.868 N/A GLU 297.A N PRO 293.A O no hydrogen 3.079 N/A LYS 298.A N PHE 294.A O no hydrogen 3.243 N/A LYS 298.A N LEU 295.A O no hydrogen 3.286 N/A GLY 299.A N ARG 296.A O no hydrogen 3.419 N/A VAL 300.A N LEU 295.A O no hydrogen 3.058 N/A THR 304.A N PRO 301.A O no hydrogen 3.239 N/A LEU 305.A N PRO 301.A O no hydrogen 3.178 N/A ALA 306.A N GLN 302.A O no hydrogen 2.958 N/A GLY 307.A N GLU 303.A O no hydrogen 3.132 N/A ILE 308.A N THR 304.A O no hydrogen 2.966 N/A THR 309.A N LEU 305.A O no hydrogen 3.055 N/A THR 309.A OG1 LEU 305.A O no hydrogen 2.867 N/A VAL 310.A N ALA 306.A O no hydrogen 2.934 N/A ASN 312.A N GLY 307.A O no hydrogen 2.880 N/A ASN 312.A ND2 MET 252.A O no hydrogen 2.799 N/A ASN 312.A ND2 ILE 255.A O no hydrogen 2.863 N/A ALA 314.A N VAL 310.A O no hydrogen 3.302 N/A ARG 315.A N THR 311.A O no hydrogen 3.096 N/A ARG 315.A NH1 LYS 253.A O no hydrogen 2.589 N/A ARG 315.A NH2 ASN 312.A OD1 no hydrogen 3.282 N/A PHE 316.A N ASN 312.A O no hydrogen 2.965 N/A LEU 317.A N PRO 313.A O no hydrogen 2.870 N/A SER 318.A N ALA 314.A O no hydrogen 3.076 N/A THR 320.A N GLY 159.A O no hydrogen 3.323 N/A THR 320.A OG1 SER 318.A O no hydrogen 3.042 N/A