Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 1fh9_A.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): THR 2.A N GLU 6.A OE2 no hydrogen 2.690 N/A THR 3.A OG1 SER 35.A O no hydrogen 3.553 N/A LEU 4.A N GLU 36.A OE2 no hydrogen 2.912 N/A LYS 5.A NZ ASP 9.A OD2 no hydrogen 3.159 N/A GLU 6.A N THR 3.A OG1 no hydrogen 3.127 N/A ALA 7.A N THR 3.A O no hydrogen 3.173 N/A ALA 8.A N LEU 4.A O no hydrogen 2.928 N/A ASP 9.A N LYS 5.A O no hydrogen 2.776 N/A GLY 10.A N GLU 6.A O no hydrogen 2.758 N/A ALA 11.A N ALA 7.A O no hydrogen 3.172 N/A ALA 11.A N ALA 8.A O no hydrogen 2.898 N/A GLY 12.A N ASP 9.A O no hydrogen 3.093 N/A ARG 13.A N ALA 8.A O no hydrogen 3.089 N/A ARG 13.A NE CYS 267.A O no hydrogen 3.045 N/A ARG 13.A NH1 ALA 11.A O no hydrogen 3.139 N/A ARG 13.A NH2 VAL 264.A O no hydrogen 3.126 N/A ASP 14.A N GLN 268.A O no hydrogen 2.935 N/A PHE 15.A N ASN 38.A OD1 no hydrogen 2.703 N/A GLY 16.A N VAL 270.A O no hydrogen 2.911 N/A PHE 17.A N LEU 39.A O no hydrogen 3.256 N/A ALA 18.A N VAL 272.A O no hydrogen 3.151 N/A LEU 19.A N VAL 41.A O no hydrogen 2.776 N/A ASP 20.A N TYR 29.A OH no hydrogen 3.255 N/A ASN 22.A N ASP 20.A OD1 no hydrogen 3.013 N/A ARG 23.A N ASP 20.A O no hydrogen 2.955 N/A LEU 24.A N PRO 21.A O no hydrogen 3.204 N/A SER 25.A OG ASN 22.A O no hydrogen 3.008 N/A GLU 26.A N ARG 23.A O no hydrogen 2.875 N/A GLN 28.A NE2 GLN 28.A O no hydrogen 3.030 N/A LYS 30.A N GLU 26.A O no hydrogen 3.038 N/A LYS 30.A NZ ASP 34.A OD1 no hydrogen 3.462 N/A LYS 30.A NZ ASP 34.A OD2 no hydrogen 2.584 N/A ALA 31.A N ALA 27.A O no hydrogen 2.945 N/A ILE 32.A N GLN 28.A O no hydrogen 3.218 N/A ALA 33.A N TYR 29.A O no hydrogen 2.929 N/A ASP 34.A N LYS 30.A O no hydrogen 2.759 N/A SER 35.A N ALA 31.A O no hydrogen 3.055 N/A SER 35.A OG ALA 31.A O no hydrogen 2.753 N/A GLU 36.A N ILE 32.A O no hydrogen 2.870 N/A ASN 38.A N PHE 15.A O no hydrogen 2.987 N/A ASN 38.A ND2 ASP 9.A OD1 no hydrogen 2.881 N/A ASN 38.A ND2 ARG 13.A O no hydrogen 3.141 N/A VAL 40.A N GLU 76.A O no hydrogen 2.888 N/A VAL 41.A N PHE 17.A O no hydrogen 3.122 N/A GLU 43.A N LEU 19.A O no hydrogen 3.076 N/A LYS 47.A N ASN 44.A O no hydrogen 3.177 N/A LYS 47.A NZ GLU 43.A O no hydrogen 3.050 N/A LYS 47.A NZ ASN 44.A OD1 no hydrogen 2.656 N/A ASP 49.A N GLN 87.A O no hydrogen 3.238 N/A ALA 50.A N LYS 47.A O no hydrogen 3.160 N/A THR 51.A N LYS 47.A O no hydrogen 2.949 N/A THR 51.A N TRP 48.A O no hydrogen 3.235 N/A THR 51.A OG1 LYS 47.A O no hydrogen 2.767 N/A THR 51.A OG1 TRP 48.A O no hydrogen 3.432 N/A GLU 52.A N TRP 48.A O no hydrogen 2.858 N/A ASN 56.A N GLU 52.A OE2 no hydrogen 2.812 N/A SER 57.A N SER 54.A O no hydrogen 2.946 N/A SER 59.A N THR 51.A O no hydrogen 2.881 N/A SER 59.A OG ALA 50.A O no hydrogen 2.683 N/A ASP 64.A N PHE 60.A O no hydrogen 2.645 N/A ARG 65.A N GLY 61.A O no hydrogen 3.062 N/A ARG 65.A NH1 ARG 65.A O no hydrogen 3.152 N/A VAL 66.A N ALA 62.A O no hydrogen 3.259 N/A ALA 67.A N GLY 63.A O no hydrogen 2.962 N/A SER 68.A N ASP 64.A O no hydrogen 2.725 N/A SER 68.A OG ASP 64.A O no hydrogen 2.998 N/A TYR 69.A N ARG 65.A O no hydrogen 3.003 N/A TYR 69.A OH ASP 34.A OD1 no hydrogen 2.577 N/A ALA 70.A N VAL 66.A O no hydrogen 3.157 N/A ALA 71.A N ALA 67.A O no hydrogen 3.097 N/A ASP 72.A N SER 68.A O no hydrogen 2.791 N/A THR 73.A N TYR 69.A O no hydrogen 3.045 N/A THR 73.A OG1 TYR 69.A O no hydrogen 2.577 N/A GLY 74.A N ALA 71.A O no hydrogen 3.293 N/A LYS 75.A N ALA 70.A O no hydrogen 2.845 N/A LYS 75.A NZ ALA 33.A O no hydrogen 3.169 N/A LYS 75.A NZ ASP 34.A O no hydrogen 2.992 N/A LYS 75.A NZ PHE 37.A O no hydrogen 2.636 N/A GLU 76.A N ASN 38.A O no hydrogen 2.914 N/A TYR 78.A N VAL 40.A O no hydrogen 2.927 N/A TYR 78.A OH ASP 123.A OD1 no hydrogen 2.634 N/A GLY 79.A N SER 121.A O no hydrogen 2.741 N/A HIS 80.A ND1 ASP 123.A OD2 no hydrogen 2.789 N/A THR 81.A OG1 ASP 123.A O no hydrogen 2.866 N/A LEU 82.A N ASP 123.A O no hydrogen 3.098 N/A VAL 83.A N VAL 124.A O no hydrogen 2.857 N/A TRP 84.A NE1 GLU 127.A OE1 no hydrogen 2.741 N/A GLN 87.A NE2 ASN 44.A OD1 no hydrogen 3.585 N/A TRP 91.A NE1 GLU 52.A O no hydrogen 3.006 N/A ALA 92.A N PRO 89.A O no hydrogen 3.015 N/A LYS 93.A N PRO 89.A O no hydrogen 3.283 N/A ASN 94.A N ASP 90.A O no hydrogen 2.842 N/A LEU 95.A N ALA 92.A O no hydrogen 3.061 N/A PHE 100.A N ASN 96.A O no hydrogen 3.298 N/A GLU 101.A N GLY 97.A O no hydrogen 3.035 N/A SER 102.A N SER 98.A O no hydrogen 2.805 N/A SER 102.A OG SER 98.A O no hydrogen 2.900 N/A ALA 103.A N ALA 99.A O no hydrogen 3.077 N/A MET 104.A N PHE 100.A O no hydrogen 2.956 N/A VAL 105.A N GLU 101.A O no hydrogen 2.891 N/A ASN 106.A N SER 102.A O no hydrogen 2.972 N/A HIS 107.A N ALA 103.A O no hydrogen 2.936 N/A HIS 107.A ND1 GLU 52.A OE1 no hydrogen 2.674 N/A VAL 108.A N MET 104.A O no hydrogen 2.974 N/A THR 109.A N VAL 105.A O no hydrogen 2.952 N/A THR 109.A OG1 VAL 105.A O no hydrogen 2.912 N/A LYS 110.A N ASN 106.A O no hydrogen 2.794 N/A VAL 111.A N HIS 107.A O no hydrogen 3.054 N/A ALA 112.A N VAL 108.A O no hydrogen 2.863 N/A ASP 113.A N THR 109.A O no hydrogen 2.863 N/A HIS 114.A N LYS 110.A O no hydrogen 2.928 N/A HIS 114.A NE2 ASP 64.A OD1 no hydrogen 2.726 N/A PHE 115.A N VAL 111.A O no hydrogen 3.199 N/A GLU 116.A N ASP 113.A O no hydrogen 3.168 N/A LYS 118.A N PHE 115.A O no hydrogen 2.930 N/A VAL 119.A N PHE 115.A O no hydrogen 3.008 N/A ALA 120.A N LEU 77.A O no hydrogen 2.908 N/A TRP 122.A N LYS 165.A O no hydrogen 2.857 N/A ASP 123.A N GLY 79.A O no hydrogen 2.840 N/A VAL 124.A N CYS 167.A O no hydrogen 2.838 N/A ASN 126.A N VAL 83.A O no hydrogen 2.985 N/A GLU 127.A N ASN 169.A O no hydrogen 2.817 N/A PHE 129.A N ASP 170.A OD2 no hydrogen 3.161 N/A ALA 130.A N GLY 134.A O no hydrogen 2.873 N/A GLY 133.A N ALA 130.A O no hydrogen 2.858 N/A GLY 134.A N SER 182.A OG no hydrogen 3.043 N/A ARG 135.A NH1 GLN 142.A OE1 no hydrogen 2.860 N/A ARG 135.A NH1 ASN 147.A O no hydrogen 3.423 N/A ARG 135.A NH2 ASN 147.A O no hydrogen 3.067 N/A ARG 136.A N ALA 128.A O no hydrogen 2.866 N/A ARG 136.A NE GLU 127.A O no hydrogen 2.775 N/A ARG 136.A NH1 ASP 138.A OD2 no hydrogen 2.867 N/A ARG 136.A NH2 TYR 171.A OH no hydrogen 3.012 N/A GLN 142.A N SER 139.A OG no hydrogen 3.098 N/A GLN 142.A NE2 ASN 147.A OD1 no hydrogen 2.963 N/A GLN 143.A N SER 139.A O no hydrogen 2.907 N/A GLN 143.A NE2 GLN 137.A O no hydrogen 3.086 N/A LYS 144.A N ALA 140.A O no hydrogen 2.871 N/A LYS 144.A NZ LYS 93.A O no hydrogen 2.946 N/A LYS 144.A NZ LEU 95.A O no hydrogen 2.775 N/A LEU 145.A N PHE 141.A O no hydrogen 2.970 N/A GLY 146.A N GLN 142.A O no hydrogen 2.915 N/A TYR 149.A N GLY 146.A O no hydrogen 3.511 N/A THR 152.A N GLY 148.A O no hydrogen 3.174 N/A THR 152.A OG1 GLY 148.A O no hydrogen 3.111 N/A ALA 153.A N TYR 149.A O no hydrogen 2.951 N/A PHE 154.A N ILE 150.A O no hydrogen 3.074 N/A ARG 155.A N GLU 151.A O no hydrogen 2.959 N/A ARG 155.A NE GLU 151.A OE1 no hydrogen 2.898 N/A ARG 155.A NH2 GLU 151.A OE1 no hydrogen 3.024 N/A ALA 156.A N THR 152.A O no hydrogen 2.957 N/A ALA 157.A N ALA 153.A O no hydrogen 2.885 N/A ARG 158.A N PHE 154.A O no hydrogen 2.976 N/A ARG 158.A NH1 ASP 161.A O no hydrogen 2.922 N/A ARG 158.A NH1 ALA 164.A O no hydrogen 2.924 N/A ARG 158.A NH2 ALA 164.A O no hydrogen 3.364 N/A ARG 158.A NH2 ASP 198.A OD2 no hydrogen 2.753 N/A ALA 159.A N ARG 155.A O no hydrogen 3.063 N/A ALA 160.A N ALA 156.A O no hydrogen 3.167 N/A ASP 161.A N ALA 157.A O no hydrogen 2.803 N/A THR 163.A N ASP 161.A OD1 no hydrogen 3.182 N/A ALA 164.A N ASP 161.A OD1 no hydrogen 2.909 N/A LYS 165.A N ALA 120.A O no hydrogen 2.967 N/A LEU 166.A N ASP 198.A OD2 no hydrogen 2.851 N/A CYS 167.A N TRP 122.A O no hydrogen 2.735 N/A CYS 167.A SG TYR 78.A OH no hydrogen 3.420 N/A CYS 167.A SG LYS 165.A O no hydrogen 4.024 N/A ILE 168.A N CYS 199.A O no hydrogen 3.137 N/A ASN 169.A N VAL 125.A O no hydrogen 2.971 N/A ASN 169.A ND2 ASN 126.A OD1 no hydrogen 3.019 N/A ASP 170.A N GLY 201.A O no hydrogen 3.152 N/A TYR 171.A N ASP 170.A OD1 no hydrogen 2.858 N/A ASN 172.A ND2 ASP 131.A OD1 no hydrogen 3.555 N/A ASN 172.A ND2 ASP 131.A OD2 no hydrogen 3.359 N/A ILE 176.A N ASP 214.A OD2 no hydrogen 2.805 N/A ASN 177.A N SER 180.A OG no hydrogen 2.808 N/A LYS 179.A NZ ASP 131.A OD2 no hydrogen 2.842 N/A LYS 179.A NZ ASP 170.A OD1 no hydrogen 3.282 N/A LYS 179.A NZ TYR 171.A O no hydrogen 2.847 N/A SER 180.A OG GLY 175.A O no hydrogen 2.793 N/A SER 180.A OG ASN 177.A O no hydrogen 3.089 N/A ASN 181.A N ASN 177.A O no hydrogen 2.803 N/A SER 182.A N ALA 178.A O no hydrogen 3.098 N/A SER 182.A OG ALA 178.A O no hydrogen 3.265 N/A LEU 183.A N LYS 179.A O no hydrogen 3.125 N/A TYR 184.A N SER 180.A O no hydrogen 2.745 N/A ASP 185.A N ASN 181.A O no hydrogen 2.940 N/A LEU 186.A N SER 182.A O no hydrogen 3.151 N/A VAL 187.A N LEU 183.A O no hydrogen 2.952 N/A LYS 188.A N TYR 184.A O no hydrogen 2.957 N/A ASP 189.A N ASP 185.A O no hydrogen 2.897 N/A PHE 190.A N LEU 186.A O no hydrogen 2.862 N/A LYS 191.A N VAL 187.A O no hydrogen 3.071 N/A LYS 191.A NZ LEU 197.A O no hydrogen 2.894 N/A ALA 192.A N LYS 188.A O no hydrogen 2.971 N/A ARG 193.A N ASP 189.A O no hydrogen 2.920 N/A ARG 193.A NE ASP 189.A OD1 no hydrogen 3.373 N/A ARG 193.A NE ASP 189.A OD2 no hydrogen 2.877 N/A ARG 193.A NH1 GLU 151.A OE1 no hydrogen 3.423 N/A ARG 193.A NH1 GLU 151.A OE2 no hydrogen 3.213 N/A ARG 193.A NH2 GLU 151.A OE2 no hydrogen 3.165 N/A ARG 193.A NH2 ASP 189.A OD1 no hydrogen 2.895 N/A GLY 194.A N LYS 191.A O no hydrogen 3.215 N/A VAL 195.A N PHE 190.A O no hydrogen 2.847 N/A ASP 198.A N LEU 166.A O no hydrogen 2.803 N/A CYS 199.A N LEU 166.A O no hydrogen 3.210 N/A VAL 200.A N ASP 228.A O no hydrogen 3.013 N/A GLY 201.A N ILE 168.A O no hydrogen 2.826 N/A PHE 202.A N ARG 230.A O no hydrogen 2.733 N/A GLN 203.A N ASP 170.A O no hydrogen 3.086 N/A SER 204.A N GLU 174.A OE2 no hydrogen 2.899 N/A SER 204.A OG PHE 202.A O no hydrogen 2.905 N/A HIS 205.A ND1 ASP 235.A OD1 no hydrogen 3.200 N/A HIS 205.A ND1 ASP 235.A OD2 no hydrogen 2.787 N/A HIS 205.A NE2 GLU 233.A OE1 no hydrogen 2.605 N/A LEU 206.A N ASP 235.A O no hydrogen 2.971 N/A VAL 208.A N ARG 237.A O no hydrogen 2.996 N/A GLY 209.A N ASP 253.A OD2 no hydrogen 2.722 N/A GLN 210.A N ILE 207.A O no hydrogen 2.952 N/A PHE 215.A N PRO 212.A O no hydrogen 3.295 N/A ASN 218.A N ASP 214.A O no hydrogen 2.911 N/A ASN 218.A ND2 VAL 173.A O no hydrogen 2.817 N/A ASN 218.A ND2 GLU 174.A O no hydrogen 2.959 N/A LEU 219.A N PHE 215.A O no hydrogen 2.878 N/A GLN 220.A N ARG 216.A O no hydrogen 2.785 N/A GLN 220.A NE2 GLN 220.A O no hydrogen 3.527 N/A GLN 220.A NE2 ASP 224.A OD1 no hydrogen 3.164 N/A ARG 221.A N GLN 217.A O no hydrogen 3.158 N/A ARG 221.A NE ASN 218.A OD1 no hydrogen 2.726 N/A ARG 221.A NH1 ASN 181.A OD1 no hydrogen 3.004 N/A ARG 221.A NH2 ASN 181.A OD1 no hydrogen 2.896 N/A ARG 221.A NH2 ASN 218.A OD1 no hydrogen 3.057 N/A PHE 222.A N ASN 218.A O no hydrogen 3.304 N/A ALA 223.A N LEU 219.A O no hydrogen 3.007 N/A ASP 224.A N GLN 220.A O no hydrogen 2.849 N/A LEU 225.A N PHE 222.A O no hydrogen 2.936 N/A GLY 226.A N ALA 223.A O no hydrogen 2.944 N/A ASP 228.A N ASP 198.A O no hydrogen 2.924 N/A VAL 229.A N ARG 266.A O no hydrogen 3.069 N/A ARG 230.A N VAL 200.A O no hydrogen 3.103 N/A ARG 230.A NH1 ASP 14.A OD2 no hydrogen 3.094 N/A ILE 231.A N GLY 269.A O no hydrogen 3.154 N/A THR 232.A N PHE 202.A O no hydrogen 3.147 N/A THR 232.A OG1 ASN 169.A OD1 no hydrogen 2.788 N/A GLU 233.A N GLN 203.A O no hydrogen 2.938 N/A LEU 234.A N THR 271.A O no hydrogen 2.869 N/A ASP 235.A N SER 204.A O no hydrogen 3.447 N/A ILE 236.A N ALA 292.A O no hydrogen 3.159 N/A ARG 237.A N LEU 206.A O no hydrogen 2.943 N/A ARG 237.A NE GLU 289.A OE2 no hydrogen 2.826 N/A MET 238.A N GLY 290.A O no hydrogen 3.074 N/A THR 240.A N GLY 288.A O no hydrogen 3.125 N/A THR 240.A OG1 GLY 288.A O no hydrogen 3.351 N/A LYS 246.A N ASP 243.A OD1 no hydrogen 2.733 N/A LYS 246.A NZ ARG 239.A O no hydrogen 2.622 N/A LYS 246.A NZ PRO 241.A O no hydrogen 3.200 N/A LEU 247.A N ASP 243.A O no hydrogen 2.974 N/A ALA 248.A N ALA 244.A O no hydrogen 2.998 N/A THR 249.A N THR 245.A O no hydrogen 3.001 N/A THR 249.A OG1 THR 245.A O no hydrogen 2.940 N/A GLN 250.A N LYS 246.A O no hydrogen 2.925 N/A GLN 250.A NE2 ILE 236.A O no hydrogen 2.830 N/A GLN 250.A NE2 ALA 291.A O no hydrogen 2.895 N/A ALA 251.A N LEU 247.A O no hydrogen 2.986 N/A ALA 252.A N ALA 248.A O no hydrogen 2.959 N/A ASP 253.A N THR 249.A O no hydrogen 2.882 N/A TYR 254.A N GLN 250.A O no hydrogen 2.908 N/A TYR 254.A OH ALA 292.A O no hydrogen 2.626 N/A LYS 255.A N ALA 251.A O no hydrogen 3.127 N/A LYS 256.A N ALA 252.A O no hydrogen 3.068 N/A VAL 257.A N ASP 253.A O no hydrogen 2.962 N/A VAL 258.A N TYR 254.A O no hydrogen 3.062 N/A GLN 259.A N LYS 255.A O no hydrogen 2.889 N/A ALA 260.A N LYS 256.A O no hydrogen 3.050 N/A CYS 261.A N VAL 257.A O no hydrogen 3.296 N/A MET 262.A N VAL 258.A O no hydrogen 2.917 N/A GLN 263.A N GLN 259.A O no hydrogen 2.930 N/A GLN 263.A N ALA 260.A O no hydrogen 3.219 N/A VAL 264.A N CYS 261.A O no hydrogen 3.017 N/A ARG 266.A NH1 ASP 228.A OD2 no hydrogen 2.932 N/A CYS 267.A N VAL 264.A O no hydrogen 2.966 N/A CYS 267.A SG VAL 229.A O no hydrogen 4.009 N/A CYS 267.A SG GLY 269.A O no hydrogen 3.781 N/A GLN 268.A N VAL 229.A O no hydrogen 2.854 N/A VAL 270.A N ASP 14.A O no hydrogen 2.885 N/A THR 271.A N ILE 231.A O no hydrogen 2.836 N/A VAL 272.A N GLY 16.A O no hydrogen 2.845 N/A TRP 273.A N LEU 234.A O no hydrogen 2.934 N/A GLY 274.A N VAL 272.A O no hydrogen 2.767 N/A THR 276.A OG1 ASP 296.A O no hydrogen 2.717 N/A ASP 277.A N TRP 295.A O no hydrogen 2.876 N/A LYS 278.A N THR 276.A OG1 no hydrogen 2.977 N/A LYS 278.A NZ GLU 26.A OE1 no hydrogen 2.959 N/A LYS 278.A NZ TYR 279.A OH no hydrogen 3.369 N/A TYR 279.A N THR 276.A O no hydrogen 3.082 N/A TYR 279.A OH GLU 26.A OE1 no hydrogen 3.292 N/A TYR 279.A OH GLU 26.A OE2 no hydrogen 2.534 N/A SER 280.A N THR 276.A O no hydrogen 3.167 N/A TRP 281.A NE1 ASP 235.A OD1 no hydrogen 2.963 N/A VAL 282.A N SER 280.A OG no hydrogen 3.387 N/A VAL 285.A N VAL 282.A O no hydrogen 2.926 N/A PHE 286.A N VAL 282.A O no hydrogen 2.687 N/A GLU 289.A N PHE 286.A O no hydrogen 2.954 N/A GLY 290.A N MET 238.A O no hydrogen 2.855 N/A LEU 293.A N ASP 277.A OD1 no hydrogen 2.800 N/A TRP 295.A N ILE 275.A O no hydrogen 3.277 N/A ASP 296.A N ALA 300.A O no hydrogen 3.015 N/A SER 298.A N ASP 296.A OD2 no hydrogen 2.780 N/A TYR 299.A N ASP 296.A O no hydrogen 2.928 N/A TYR 299.A OH GLU 26.A OE1 no hydrogen 2.839 N/A ALA 300.A N ASP 296.A OD2 no hydrogen 2.923 N/A LYS 302.A N VAL 294.A O no hydrogen 2.986 N/A LYS 302.A NZ GLN 250.A OE1 no hydrogen 3.429 N/A LYS 302.A NZ ASP 277.A OD1 no hydrogen 3.532 N/A LYS 302.A NZ ASP 277.A OD2 no hydrogen 2.804 N/A LYS 302.A NZ ALA 291.A O no hydrogen 2.919 N/A LYS 302.A NZ LEU 293.A O no hydrogen 2.721 N/A TYR 305.A N LYS 302.A O no hydrogen 2.976 N/A TYR 305.A OH GLU 36.A OE1 no hydrogen 3.249 N/A TYR 305.A OH GLU 36.A OE2 no hydrogen 2.717 N/A ALA 307.A N PRO 303.A O no hydrogen 3.418 N/A VAL 308.A N ALA 304.A O no hydrogen 2.957 N/A MET 309.A N TYR 305.A O no hydrogen 2.984 N/A GLU 310.A N ALA 306.A O no hydrogen 2.885 N/A ALA 311.A N ALA 307.A O no hydrogen 2.948 N/A PHE 312.A N VAL 308.A O no hydrogen 3.091 N/A