Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 1tnu_A.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): SER 3.A OG ASP 5.A OD1 no hydrogen 3.132 N/A ASP 5.A N SER 3.A OG no hydrogen 3.346 N/A SER 6.A N SER 3.A O no hydrogen 3.162 N/A SER 6.A OG THR 8.A OG1 no hydrogen 3.152 N/A THR 8.A N SER 6.A OG no hydrogen 3.281 N/A THR 8.A OG1 SER 6.A OG no hydrogen 3.152 N/A TYR 9.A N SER 6.A O no hydrogen 2.964 N/A TYR 12.A N ASP 44.A OD1 no hydrogen 2.716 N/A TYR 12.A OH ASP 68.A OD1 no hydrogen 2.340 N/A ARG 13.A N ASP 44.A OD2 no hydrogen 3.317 N/A ARG 13.A NH2 GLU 40.A OE1 no hydrogen 2.549 N/A ASP 14.A N LEU 11.A O no hydrogen 2.956 N/A ARG 15.A N TYR 12.A O no hydrogen 3.069 N/A ARG 15.A NE VAL 10.A O no hydrogen 2.642 N/A ARG 15.A NH2 VAL 10.A O no hydrogen 2.876 N/A GLU 17.A N GLU 17.A OE1 no hydrogen 2.491 N/A TRP 18.A N ARG 15.A O no hydrogen 3.042 N/A ALA 19.A N ALA 16.A O no hydrogen 3.035 N/A ILE 21.A N TRP 18.A O no hydrogen 3.167 N/A VAL 24.A N ASP 47.A O no hydrogen 2.905 N/A ASN 27.A ND2 PRO 25.A O no hydrogen 3.627 N/A LYS 41.A NZ LEU 4.A O no hydrogen 2.769 N/A PHE 42.A N SER 39.A OG no hydrogen 3.242 N/A ARG 43.A N SER 39.A O no hydrogen 2.915 N/A ASP 44.A N GLU 40.A O no hydrogen 2.866 N/A VAL 45.A N LYS 41.A O no hydrogen 2.996 N/A TYR 46.A N PHE 42.A O no hydrogen 3.175 N/A TYR 46.A OH ALA 69.A O no hydrogen 2.800 N/A ASP 47.A N ARG 43.A O no hydrogen 2.896 N/A ASP 47.A N ASP 44.A O no hydrogen 3.260 N/A TYR 48.A N ASP 44.A O no hydrogen 3.286 N/A PHE 49.A N VAL 45.A O no hydrogen 2.927 N/A ARG 50.A N TYR 46.A O no hydrogen 2.925 N/A ALA 51.A N ASP 47.A O no hydrogen 3.299 N/A VAL 52.A N TYR 48.A O no hydrogen 2.967 N/A LEU 53.A N PHE 49.A O no hydrogen 2.850 N/A GLN 54.A N ARG 50.A O no hydrogen 2.844 N/A ARG 55.A N ALA 51.A O no hydrogen 3.249 N/A ARG 55.A N VAL 52.A O no hydrogen 3.300 N/A ASP 56.A N LEU 53.A O no hydrogen 2.703 N/A GLU 57.A N VAL 52.A O no hydrogen 3.124 N/A ARG 58.A NE ASP 56.A OD2 no hydrogen 2.464 N/A ARG 58.A NH1 SER 89.A OG no hydrogen 2.974 N/A ARG 58.A NH2 ASP 56.A OD1 no hydrogen 2.801 N/A ARG 58.A NH2 ASP 56.A OD2 no hydrogen 3.244 N/A SER 59.A OG GLU 57.A OE2 no hydrogen 2.544 N/A ARG 61.A NE GLU 57.A OE2 no hydrogen 2.671 N/A ARG 61.A NH1 GLU 17.A O no hydrogen 2.624 N/A ARG 61.A NH1 ASP 20.A OD2 no hydrogen 3.017 N/A ARG 61.A NH2 ASP 20.A OD1 no hydrogen 3.457 N/A ARG 61.A NH2 GLU 57.A OE1 no hydrogen 2.998 N/A ARG 61.A NH2 GLU 57.A OE2 no hydrogen 3.209 N/A ALA 62.A N SER 59.A OG no hydrogen 3.128 N/A PHE 63.A N SER 59.A O no hydrogen 3.156 N/A LYS 64.A N GLU 60.A O no hydrogen 3.142 N/A LEU 65.A N ARG 61.A O no hydrogen 2.930 N/A THR 66.A N ALA 62.A O no hydrogen 3.052 N/A THR 66.A OG1 PHE 63.A O no hydrogen 2.612 N/A ARG 67.A N LYS 64.A O no hydrogen 3.150 N/A ALA 69.A N LEU 65.A O no hydrogen 3.010 N/A ILE 70.A N THR 66.A O no hydrogen 2.777 N/A GLU 71.A N ARG 67.A O no hydrogen 2.977 N/A LEU 72.A N ASP 68.A O no hydrogen 2.947 N/A ASN 73.A N ALA 69.A O no hydrogen 2.868 N/A ALA 75.A N ASN 73.A OD1 no hydrogen 3.212 N/A ASN 76.A N ASN 73.A O no hydrogen 3.363 N/A VAL 79.A N ASN 76.A OD1 no hydrogen 3.039 N/A TRP 80.A N ASN 76.A O no hydrogen 3.437 N/A TRP 80.A NE1 ALA 74.A O no hydrogen 2.825 N/A HIS 81.A N TYR 77.A O no hydrogen 3.016 N/A PHE 82.A N THR 78.A O no hydrogen 2.920 N/A ARG 83.A N VAL 79.A O no hydrogen 2.888 N/A ARG 83.A NE GLU 97.A OE2 no hydrogen 2.700 N/A ARG 83.A NH1 THR 66.A OG1 no hydrogen 2.830 N/A ARG 83.A NH2 GLU 97.A OE1 no hydrogen 2.921 N/A ARG 84.A N TRP 80.A O no hydrogen 2.944 N/A ARG 84.A NH2 HIS 117.A ND1 no hydrogen 2.791 N/A VAL 85.A N HIS 81.A O no hydrogen 2.917 N/A LEU 86.A N PHE 82.A O no hydrogen 2.890 N/A LEU 87.A N ARG 83.A O no hydrogen 2.798 N/A ARG 88.A N ARG 84.A O no hydrogen 3.161 N/A SER 89.A N VAL 85.A O no hydrogen 2.923 N/A SER 89.A OG VAL 85.A O no hydrogen 3.294 N/A LEU 90.A N LEU 86.A O no hydrogen 2.829 N/A GLN 91.A N ARG 88.A O no hydrogen 2.644 N/A LYS 92.A N LEU 87.A O no hydrogen 2.941 N/A LYS 92.A NZ GLU 60.A OE2 no hydrogen 2.516 N/A GLN 95.A N ASP 93.A OD2 no hydrogen 2.725 N/A GLN 95.A NE2 GLN 130.A OE1 no hydrogen 3.388 N/A GLU 96.A N ASP 93.A O no hydrogen 3.155 N/A GLU 96.A N ASP 93.A OD2 no hydrogen 3.291 N/A GLU 97.A N ASP 93.A O no hydrogen 3.318 N/A MET 98.A N LEU 94.A O no hydrogen 2.895 N/A ASN 99.A N GLU 96.A O no hydrogen 2.968 N/A TYR 100.A N GLU 96.A O no hydrogen 3.111 N/A ILE 101.A N GLU 97.A O no hydrogen 2.888 N/A ILE 102.A N MET 98.A O no hydrogen 2.943 N/A ALA 103.A N ASN 99.A O no hydrogen 3.113 N/A ILE 104.A N TYR 100.A O no hydrogen 3.042 N/A ILE 105.A N ILE 101.A O no hydrogen 2.950 N/A GLU 106.A N ILE 102.A O no hydrogen 3.322 N/A GLU 107.A N ALA 103.A O no hydrogen 3.240 N/A GLN 108.A N ILE 104.A O no hydrogen 2.897 N/A LYS 110.A NZ ASP 142.A OD2 no hydrogen 3.008 N/A ASN 111.A N GLN 108.A O no hydrogen 3.346 N/A ASN 111.A ND2 ALA 74.A O no hydrogen 3.157 N/A ASN 111.A ND2 GLN 108.A OE1 no hydrogen 3.641 N/A VAL 114.A N ASN 111.A OD1 no hydrogen 2.866 N/A TRP 115.A NE1 PRO 109.A O no hydrogen 2.954 N/A HIS 116.A N TYR 112.A O no hydrogen 3.131 N/A HIS 117.A N GLN 113.A O no hydrogen 2.977 N/A HIS 117.A NE2 GLU 97.A OE2 no hydrogen 2.800 N/A ARG 118.A N VAL 114.A O no hydrogen 3.110 N/A ARG 118.A NE GLU 131.A OE1 no hydrogen 3.414 N/A ARG 118.A NE GLU 131.A OE2 no hydrogen 2.882 N/A ARG 118.A NH2 GLU 131.A OE1 no hydrogen 3.147 N/A ARG 119.A N TRP 115.A O no hydrogen 3.063 N/A ARG 119.A NE GLU 123.A OE1 no hydrogen 3.183 N/A VAL 120.A N HIS 116.A O no hydrogen 3.024 N/A LEU 121.A N HIS 117.A O no hydrogen 3.049 N/A VAL 122.A N ARG 118.A O no hydrogen 2.948 N/A GLU 123.A N ARG 119.A O no hydrogen 3.028 N/A TRP 124.A N VAL 120.A O no hydrogen 2.927 N/A LEU 125.A N LEU 121.A O no hydrogen 2.836 N/A LYS 126.A N VAL 122.A O no hydrogen 2.754 N/A LYS 126.A N GLU 123.A O no hydrogen 3.215 N/A SER 129.A N ASP 127.A OD2 no hydrogen 2.920 N/A SER 129.A OG ASP 127.A OD1 no hydrogen 3.333 N/A SER 129.A OG ASP 127.A OD2 no hydrogen 2.532 N/A GLU 131.A N PRO 128.A O no hydrogen 2.925 N/A PHE 134.A N GLN 130.A O no hydrogen 3.149 N/A ILE 135.A N GLU 131.A O no hydrogen 2.910 N/A ALA 136.A N LEU 132.A O no hydrogen 3.070 N/A ASP 137.A N GLU 133.A O no hydrogen 3.131 N/A ILE 138.A N PHE 134.A O no hydrogen 3.068 N/A LEU 139.A N ILE 135.A O no hydrogen 2.771 N/A ASN 140.A N ASP 137.A O no hydrogen 2.827 N/A GLN 141.A N ILE 138.A O no hydrogen 2.986 N/A GLN 141.A NE2 GLU 106.A O no hydrogen 3.640 N/A LYS 144.A N ASP 142.A OD1 no hydrogen 3.034 N/A ASN 145.A N ASP 142.A O no hydrogen 3.189 N/A ASN 145.A ND2 PRO 109.A O no hydrogen 3.075 N/A ALA 148.A N ASN 145.A OD1 no hydrogen 3.182 N/A TRP 149.A N ASN 145.A O no hydrogen 3.203 N/A TRP 149.A NE1 ALA 143.A O no hydrogen 2.772 N/A GLN 150.A N TYR 146.A O no hydrogen 2.973 N/A HIS 151.A N HIS 147.A O no hydrogen 2.984 N/A HIS 151.A NE2 GLU 131.A OE2 no hydrogen 2.879 N/A ARG 152.A N ALA 148.A O no hydrogen 2.852 N/A ARG 152.A NE GLU 165.A OE1 no hydrogen 3.309 N/A ARG 152.A NE GLU 165.A OE2 no hydrogen 2.723 N/A ARG 152.A NH1 LEU 132.A O no hydrogen 3.049 N/A ARG 152.A NH2 GLU 165.A OE1 no hydrogen 2.935 N/A GLN 153.A N TRP 149.A O no hydrogen 2.963 N/A GLN 153.A NE2 GLN 185.A OE1 no hydrogen 2.996 N/A TRP 154.A N GLN 150.A O no hydrogen 3.058 N/A VAL 155.A N HIS 151.A O no hydrogen 2.975 N/A ILE 156.A N ARG 152.A O no hydrogen 3.038 N/A GLN 157.A N GLN 153.A O no hydrogen 3.010 N/A GLN 157.A NE2 ASN 192.A OD1 no hydrogen 3.639 N/A GLU 158.A N TRP 154.A O no hydrogen 2.800 N/A PHE 159.A N VAL 155.A O no hydrogen 2.951 N/A ARG 160.A N GLN 157.A O no hydrogen 3.477 N/A LEU 161.A N ILE 156.A O no hydrogen 2.970 N/A GLU 165.A N TRP 162.A O no hydrogen 3.056 N/A GLN 167.A N ASN 164.A O no hydrogen 3.224 N/A TYR 168.A N ASN 164.A O no hydrogen 3.095 N/A VAL 169.A N GLU 165.A O no hydrogen 2.857 N/A ASP 170.A N LEU 166.A O no hydrogen 3.167 N/A GLN 171.A N GLN 167.A O no hydrogen 3.064 N/A LEU 172.A N TYR 168.A O no hydrogen 3.008 N/A LEU 173.A N VAL 169.A O no hydrogen 2.824 N/A LYS 174.A N ASP 170.A O no hydrogen 3.309 N/A LYS 174.A N GLN 171.A O no hydrogen 3.139 N/A GLU 175.A N GLN 171.A O no hydrogen 3.252 N/A ASP 176.A N LEU 172.A O no hydrogen 3.014 N/A ARG 178.A N ASP 176.A OD1 no hydrogen 2.922 N/A ARG 178.A NE HIS 218.A O no hydrogen 3.332 N/A ARG 178.A NH2 HIS 218.A O no hydrogen 2.836 N/A ASN 179.A N ASP 176.A O no hydrogen 3.099 N/A ASN 179.A ND2 ALA 143.A O no hydrogen 3.093 N/A SER 181.A N ASN 179.A OD1 no hydrogen 2.792 N/A VAL 182.A N ASN 179.A O no hydrogen 3.054 N/A VAL 182.A N ASN 179.A OD1 no hydrogen 3.344 N/A TRP 183.A N ASN 179.A O no hydrogen 3.385 N/A TRP 183.A NE1 VAL 177.A O no hydrogen 2.927 N/A ASN 184.A N ASN 180.A O no hydrogen 3.166 N/A GLN 185.A N SER 181.A O no hydrogen 2.975 N/A GLN 185.A NE2 GLU 165.A OE2 no hydrogen 2.614 N/A ARG 186.A N VAL 182.A O no hydrogen 2.909 N/A ARG 186.A NE GLU 205.A OE1 no hydrogen 3.390 N/A ARG 186.A NE GLU 205.A OE2 no hydrogen 2.595 N/A ARG 186.A NH1 ASP 170.A OD2 no hydrogen 2.541 N/A ARG 186.A NH2 GLU 205.A OE1 no hydrogen 3.094 N/A HIS 187.A N TRP 183.A O no hydrogen 3.181 N/A PHE 188.A N ASN 184.A O no hydrogen 2.901 N/A VAL 189.A N GLN 185.A O no hydrogen 2.897 N/A ILE 190.A N ARG 186.A O no hydrogen 3.116 N/A SER 191.A N HIS 187.A O no hydrogen 2.934 N/A SER 191.A OG HIS 187.A O no hydrogen 2.652 N/A SER 191.A OG PHE 188.A O no hydrogen 3.385 N/A ASN 192.A N PHE 188.A O no hydrogen 3.254 N/A ASN 192.A N VAL 189.A O no hydrogen 2.972 N/A ASN 192.A ND2 PHE 188.A O no hydrogen 2.726 N/A THR 193.A N ILE 190.A O no hydrogen 3.023 N/A THR 193.A OG1 VAL 189.A O no hydrogen 3.032 N/A THR 193.A OG1 ILE 190.A O no hydrogen 3.230 N/A THR 194.A OG1 GLY 195.A O no hydrogen 2.883 N/A GLY 195.A N ILE 190.A O no hydrogen 2.821 N/A TYR 196.A OH TYR 225.A OH no hydrogen 2.593 N/A VAL 201.A N ASP 198.A O no hydrogen 2.631 N/A LEU 202.A N ASP 198.A O no hydrogen 2.982 N/A GLU 203.A N ARG 199.A O no hydrogen 3.044 N/A ARG 204.A N ALA 200.A O no hydrogen 3.047 N/A GLU 205.A N VAL 201.A O no hydrogen 2.837 N/A VAL 206.A N LEU 202.A O no hydrogen 2.808 N/A GLN 207.A N GLU 203.A O no hydrogen 2.919 N/A TYR 208.A N ARG 204.A O no hydrogen 2.822 N/A THR 209.A N GLU 205.A O no hydrogen 2.912 N/A THR 209.A OG1 GLU 205.A O no hydrogen 2.931 N/A LEU 210.A N VAL 206.A O no hydrogen 2.981 N/A GLU 211.A N GLN 207.A O no hydrogen 3.039 N/A MET 212.A N TYR 208.A O no hydrogen 3.120 N/A ILE 213.A N THR 209.A O no hydrogen 2.762 N/A LYS 214.A N LEU 210.A O no hydrogen 2.989 N/A LEU 215.A N GLU 211.A O no hydrogen 3.202 N/A VAL 216.A N MET 212.A O no hydrogen 3.039 N/A ASN 219.A ND2 VAL 177.A O no hydrogen 2.603 N/A SER 221.A OG ASN 180.A OD1 no hydrogen 2.610 N/A ALA 222.A N ASN 219.A OD1 no hydrogen 3.101 N/A TRP 223.A N ASN 219.A O no hydrogen 3.302 N/A TRP 223.A NE1 PRO 217.A O no hydrogen 3.058 N/A ASN 224.A N GLU 220.A O no hydrogen 2.761 N/A TYR 225.A N SER 221.A O no hydrogen 3.018 N/A TYR 225.A OH TYR 196.A OH no hydrogen 2.593 N/A TYR 225.A OH GLU 205.A OE2 no hydrogen 2.523 N/A LEU 226.A N ALA 222.A O no hydrogen 3.024 N/A LYS 227.A N TRP 223.A O no hydrogen 2.962 N/A LYS 227.A NZ ASP 263.A OD1 no hydrogen 2.700 N/A GLY 228.A N ASN 224.A O no hydrogen 2.757 N/A ILE 229.A N TYR 225.A O no hydrogen 2.986 N/A LEU 230.A N LYS 227.A O no hydrogen 3.277 N/A GLN 231.A N LYS 227.A O no hydrogen 2.742 N/A ARG 233.A N LEU 230.A O no hydrogen 3.048 N/A ARG 233.A NH1 ILE 229.A O no hydrogen 3.448 N/A GLY 234.A N LEU 230.A O no hydrogen 3.104 N/A SER 236.A N ASP 267.A OD1 no hydrogen 2.868 N/A ARG 237.A N GLY 234.A O no hydrogen 2.945 N/A ARG 237.A NH1 TYR 238.A OH no hydrogen 3.450 N/A LEU 241.A N TYR 238.A O no hydrogen 2.883 N/A ASN 243.A ND2 PRO 239.A O no hydrogen 3.328 N/A GLN 244.A N ASN 240.A O no hydrogen 3.014 N/A GLN 244.A NE2 ASN 240.A O no hydrogen 3.468 N/A LEU 245.A N LEU 241.A O no hydrogen 2.928 N/A LEU 246.A N LEU 242.A O no hydrogen 3.114 N/A ASP 247.A N ASN 243.A O no hydrogen 2.975 N/A LEU 248.A N LEU 245.A O no hydrogen 2.779 N/A GLN 249.A N LEU 245.A O no hydrogen 3.005 N/A SER 251.A OG HIS 252.A ND1 no hydrogen 2.813 N/A HIS 252.A N LEU 248.A O no hydrogen 2.848 N/A HIS 252.A ND1 SER 251.A OG no hydrogen 2.813 N/A SER 254.A OG PRO 217.A O no hydrogen 3.497 N/A TYR 256.A OH HIS 218.A NE2 no hydrogen 3.354 N/A LEU 257.A N SER 254.A OG no hydrogen 3.302 N/A ILE 258.A N SER 254.A O no hydrogen 3.198 N/A ALA 259.A N PRO 255.A O no hydrogen 2.856 N/A PHE 260.A N TYR 256.A O no hydrogen 2.922 N/A LEU 261.A N LEU 257.A O no hydrogen 2.906 N/A VAL 262.A N ILE 258.A O no hydrogen 2.950 N/A ASP 263.A N ALA 259.A O no hydrogen 2.943 N/A ILE 264.A N PHE 260.A O no hydrogen 2.858 N/A TYR 265.A N LEU 261.A O no hydrogen 2.928 N/A GLU 266.A N VAL 262.A O no hydrogen 2.914 N/A ASP 267.A N ASP 263.A O no hydrogen 3.036 N/A MET 268.A N ILE 264.A O no hydrogen 3.044 N/A LEU 269.A N TYR 265.A O no hydrogen 2.993 N/A GLU 270.A N GLU 266.A O no hydrogen 2.868 N/A ASN 271.A N ASP 267.A O no hydrogen 2.985 N/A ASN 271.A N MET 268.A O no hydrogen 2.720 N/A ASN 271.A ND2 SER 236.A OG no hydrogen 2.999 N/A ASN 271.A ND2 ASP 267.A OD2 no hydrogen 3.125 N/A CYS 273.A N MET 268.A O no hydrogen 3.334 N/A CYS 273.A SG ASP 274.A O no hydrogen 3.731 N/A ILE 279.A N ASN 275.A O no hydrogen 2.834 N/A LEU 280.A N LYS 276.A O no hydrogen 3.139 N/A ASN 281.A N ASP 278.A O no hydrogen 3.200 N/A ASN 281.A ND2 GLU 277.A O no hydrogen 2.545 N/A LYS 282.A N ASP 278.A O no hydrogen 3.221 N/A ALA 283.A N ILE 279.A O no hydrogen 2.930 N/A LEU 284.A N LEU 280.A O no hydrogen 2.923 N/A GLU 285.A N ASN 281.A O no hydrogen 2.871 N/A LEU 286.A N LYS 282.A O no hydrogen 3.297 N/A CYS 287.A N ALA 283.A O no hydrogen 2.849 N/A CYS 287.A SG ALA 283.A O no hydrogen 3.952 N/A CYS 287.A SG TRP 302.A O no hydrogen 4.038 N/A GLU 288.A N LEU 284.A O no hydrogen 3.033 N/A ILE 289.A N GLU 285.A O no hydrogen 3.100 N/A LEU 290.A N LEU 286.A O no hydrogen 2.828 N/A ALA 291.A N CYS 287.A O no hydrogen 2.913 N/A LYS 292.A N GLU 288.A O no hydrogen 2.792 N/A GLU 293.A N ILE 289.A O no hydrogen 3.005 N/A LYS 294.A N ILE 289.A O no hydrogen 2.901 N/A ASP 295.A N LEU 290.A O no hydrogen 2.729 N/A ARG 298.A N ASP 295.A O no hydrogen 2.831 N/A ARG 298.A NE ASP 295.A OD1 no hydrogen 2.642 N/A ARG 298.A NH2 ASP 295.A OD2 no hydrogen 3.087 N/A LYS 299.A N THR 296.A O no hydrogen 2.672 N/A TRP 302.A N ARG 298.A O no hydrogen 2.956 N/A TRP 302.A NE1 ASP 295.A OD1 no hydrogen 2.979 N/A ARG 303.A N LYS 299.A O no hydrogen 3.102 N/A TYR 304.A N GLU 300.A O no hydrogen 3.042 N/A ILE 305.A N TYR 301.A O no hydrogen 2.782 N/A GLY 306.A N TRP 302.A O no hydrogen 2.794 N/A ARG 307.A N ARG 303.A O no hydrogen 2.912 N/A SER 308.A N TYR 304.A O no hydrogen 3.146 N/A SER 308.A OG TYR 304.A O no hydrogen 2.695 N/A LEU 309.A N ILE 305.A O no hydrogen 2.966 N/A GLN 310.A N GLY 306.A O no hydrogen 3.033 N/A SER 311.A N ARG 307.A O no hydrogen 3.228 N/A SER 311.A OG ARG 307.A O no hydrogen 3.044 N/A SER 311.A OG SER 308.A O no hydrogen 3.558 N/A LYS 312.A N LEU 309.A O no hydrogen 3.072 N/A HIS 313.A N LEU 309.A O no hydrogen 2.951 N/A HIS 313.A N GLN 310.A O no hydrogen 3.268 N/A HIS 313.A ND1 LEU 309.A O no hydrogen 3.217 N/A SER 314.A OG GLN 310.A O no hydrogen 2.884 N/A SER 314.A OG HIS 313.A O no hydrogen 2.935 N/A