Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 7s1m_R.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): THR 5.A N SER 1.A O no hydrogen 3.249 N/A THR 5.A OG1 SER 1.A O no hydrogen 2.997 N/A THR 5.A OG1 LEU 2.A O no hydrogen 2.456 N/A VAL 6.A N LEU 2.A O no hydrogen 2.901 N/A GLN 7.A N TRP 3.A O no hydrogen 3.045 N/A LYS 8.A N GLU 4.A O no hydrogen 2.890 N/A TRP 9.A N THR 5.A O no hydrogen 2.853 N/A TRP 9.A NE1 GLU 38.A O no hydrogen 3.102 N/A ARG 10.A N VAL 6.A O no hydrogen 2.926 N/A ARG 10.A NH2 TRP 175.A O no hydrogen 2.772 N/A GLU 11.A N GLN 7.A O no hydrogen 2.911 N/A TYR 12.A N LYS 8.A O no hydrogen 2.928 N/A ARG 13.A N TRP 9.A O no hydrogen 2.863 N/A ARG 14.A N ARG 10.A O no hydrogen 2.902 N/A GLN 15.A N GLU 11.A O no hydrogen 2.916 N/A CYS 16.A N TYR 12.A O no hydrogen 2.879 N/A GLN 17.A N ARG 13.A O no hydrogen 2.884 N/A ARG 18.A N ARG 14.A O no hydrogen 2.928 N/A SER 19.A N GLN 15.A O no hydrogen 2.896 N/A LEU 20.A N CYS 16.A O no hydrogen 2.872 N/A THR 21.A N GLN 17.A O no hydrogen 2.910 N/A GLU 22.A N ARG 18.A O no hydrogen 2.919 N/A ALA 27.A N PRO 25.A O no hydrogen 2.804 N/A CYS 32.A SG GLY 45.A O no hydrogen 3.788 N/A CYS 41.A N TYR 12.A OH no hydrogen 3.072 N/A GLY 48.A N CYS 74.A O no hydrogen 3.077 N/A SER 49.A N GLU 46.A O no hydrogen 3.279 N/A VAL 51.A N ARG 72.A O no hydrogen 2.583 N/A VAL 53.A N VAL 70.A O no hydrogen 2.675 N/A CYS 55.A N GLY 68.A O no hydrogen 3.296 N/A CYS 55.A SG TYR 39.A OH no hydrogen 3.400 N/A TYR 58.A OH TYR 39.A O no hydrogen 2.457 N/A TRP 61.A NE1 CYS 96.A O no hydrogen 2.869 N/A SER 63.A N LEU 59.A O no hydrogen 3.251 N/A VAL 65.A N ALA 62.A O no hydrogen 3.184 N/A ARG 72.A N VAL 51.A O no hydrogen 2.646 N/A CYS 74.A N SER 49.A O no hydrogen 3.460 N/A CYS 74.A SG THR 75.A O no hydrogen 3.315 N/A CYS 74.A SG LEU 79.A O no hydrogen 3.201 N/A THR 75.A N LEU 79.A O no hydrogen 2.658 N/A GLY 78.A N THR 75.A O no hydrogen 3.213 N/A LYS 83.A N SER 86.A O no hydrogen 2.926 N/A SER 86.A N LYS 83.A O no hydrogen 2.988 N/A LEU 88.A N SER 86.A O no hydrogen 2.856 N/A CYS 96.A N LEU 93.A O no hydrogen 3.372 N/A CYS 96.A SG TYR 39.A OH no hydrogen 3.197 N/A LEU 103.A N GLU 99.A O no hydrogen 2.993 N/A PHE 104.A N GLU 100.A O no hydrogen 2.937 N/A LEU 105.A N GLN 101.A O no hydrogen 2.928 N/A TYR 106.A N LEU 102.A O no hydrogen 2.864 N/A ILE 107.A N LEU 103.A O no hydrogen 2.956 N/A ILE 108.A N PHE 104.A O no hydrogen 2.948 N/A TYR 109.A N LEU 105.A O no hydrogen 2.946 N/A TYR 109.A OH ASP 159.A OD1 no hydrogen 2.919 N/A TYR 109.A OH ASP 159.A OD2 no hydrogen 2.952 N/A THR 110.A N TYR 106.A O no hydrogen 2.913 N/A THR 110.A OG1 TYR 106.A O no hydrogen 2.341 N/A VAL 111.A N ILE 107.A O no hydrogen 3.004 N/A GLY 112.A N ILE 108.A O no hydrogen 2.966 N/A TYR 113.A N TYR 109.A O no hydrogen 2.859 N/A ALA 114.A N THR 110.A O no hydrogen 2.954 N/A LEU 115.A N VAL 111.A O no hydrogen 3.026 N/A SER 116.A N GLY 112.A O no hydrogen 2.894 N/A SER 116.A OG GLY 112.A O no hydrogen 3.030 N/A SER 116.A OG SER 351.A O no hydrogen 2.496 N/A PHE 117.A N TYR 113.A O no hydrogen 2.854 N/A SER 118.A N ALA 114.A O no hydrogen 3.025 N/A SER 118.A OG ALA 114.A O no hydrogen 3.554 N/A SER 118.A OG LEU 115.A O no hydrogen 2.875 N/A ALA 119.A N LEU 115.A O no hydrogen 2.965 N/A LEU 120.A N SER 116.A O no hydrogen 2.851 N/A VAL 121.A N PHE 117.A O no hydrogen 2.962 N/A ILE 122.A N SER 118.A O no hydrogen 3.055 N/A ALA 123.A N ALA 119.A O no hydrogen 2.872 N/A SER 124.A N LEU 120.A O no hydrogen 2.851 N/A SER 124.A OG LEU 120.A O no hydrogen 2.935 N/A ALA 125.A N VAL 121.A O no hydrogen 2.966 N/A ILE 126.A N ILE 122.A O no hydrogen 2.951 N/A LEU 127.A N ALA 123.A O no hydrogen 2.897 N/A LEU 128.A N SER 124.A O no hydrogen 2.917 N/A GLY 129.A N ALA 125.A O no hydrogen 2.824 N/A PHE 130.A N ILE 126.A O no hydrogen 3.317 N/A HIS 132.A ND1 GLU 371.A OE2 no hydrogen 2.648 N/A LEU 133.A N PHE 130.A O no hydrogen 3.395 N/A HIS 134.A N ARG 131.A O no hydrogen 3.224 N/A HIS 134.A NE2 LEU 128.A O no hydrogen 3.092 N/A CYS 135.A SG LEU 133.A O no hydrogen 3.557 N/A THR 136.A OG1 GLU 223.A OE2 no hydrogen 2.275 N/A ARG 137.A NH2 GLU 367.A OE1 no hydrogen 3.557 N/A ASN 138.A ND2 LEU 133.A O no hydrogen 2.360 N/A TYR 139.A N CYS 135.A O no hydrogen 2.790 N/A ILE 140.A N THR 136.A O no hydrogen 2.942 N/A HIS 141.A N ARG 137.A O no hydrogen 2.937 N/A LEU 142.A N ASN 138.A O no hydrogen 2.833 N/A ASN 143.A N TYR 139.A O no hydrogen 2.962 N/A ASN 143.A ND2 TYR 139.A O no hydrogen 2.865 N/A LEU 144.A N ILE 140.A O no hydrogen 2.940 N/A PHE 145.A N HIS 141.A O no hydrogen 2.872 N/A ALA 146.A N LEU 142.A O no hydrogen 2.913 N/A SER 147.A N ASN 143.A O no hydrogen 2.922 N/A SER 147.A OG LEU 144.A O no hydrogen 2.661 N/A PHE 148.A N LEU 144.A O no hydrogen 2.947 N/A ILE 149.A N PHE 145.A O no hydrogen 2.915 N/A LEU 150.A N ALA 146.A O no hydrogen 2.887 N/A ARG 151.A N SER 147.A O no hydrogen 2.928 N/A ARG 151.A NH1 ASN 201.A OD1 no hydrogen 2.932 N/A ARG 151.A NH2 TYR 202.A OH no hydrogen 3.425 N/A ALA 152.A N PHE 148.A O no hydrogen 2.961 N/A LEU 153.A N ILE 149.A O no hydrogen 2.932 N/A SER 154.A N LEU 150.A O no hydrogen 2.889 N/A SER 154.A OG ARG 151.A O no hydrogen 2.916 N/A VAL 155.A N ARG 151.A O no hydrogen 2.925 N/A PHE 156.A N ALA 152.A O no hydrogen 2.997 N/A ILE 157.A N LEU 153.A O no hydrogen 2.932 N/A LYS 158.A N SER 154.A O no hydrogen 2.866 N/A LYS 158.A NZ TYR 109.A OH no hydrogen 3.276 N/A LYS 158.A NZ ASP 159.A OD1 no hydrogen 2.995 N/A ASP 159.A N VAL 155.A O no hydrogen 2.951 N/A ALA 160.A N PHE 156.A O no hydrogen 2.992 N/A ALA 161.A N ILE 157.A O no hydrogen 2.879 N/A LEU 162.A N LYS 158.A O no hydrogen 2.876 N/A LYS 163.A N ASP 159.A O no hydrogen 2.968 N/A TRP 164.A N ALA 160.A O no hydrogen 2.855 N/A MET 165.A N ALA 161.A O no hydrogen 2.768 N/A TYR 166.A N LYS 163.A O no hydrogen 3.390 N/A SER 167.A N TRP 164.A O no hydrogen 3.374 N/A ALA 170.A N SER 167.A OG no hydrogen 2.972 N/A GLN 171.A N SER 167.A O no hydrogen 2.889 N/A GLN 172.A N THR 168.A O no hydrogen 3.041 N/A HIS 173.A N ALA 169.A O no hydrogen 3.274 N/A GLN 174.A N GLN 171.A O no hydrogen 3.055 N/A GLY 177.A N ASP 176.A OD1 no hydrogen 2.370 N/A LEU 178.A N HIS 173.A O no hydrogen 2.659 N/A SER 180.A OG ALA 170.A O no hydrogen 3.228 N/A TYR 181.A N SER 180.A OG no hydrogen 2.688 N/A GLN 182.A NE2 MET 165.A O no hydrogen 3.316 N/A SER 184.A N TYR 181.A O no hydrogen 3.111 N/A SER 184.A OG SER 186.A OG no hydrogen 2.775 N/A SER 186.A N SER 184.A OG no hydrogen 3.050 N/A SER 186.A OG SER 184.A OG no hydrogen 2.775 N/A CYS 187.A SG TYR 181.A O no hydrogen 3.543 N/A CYS 187.A SG GLN 182.A O no hydrogen 3.332 N/A CYS 187.A SG SER 184.A O no hydrogen 3.152 N/A LEU 189.A N LEU 185.A O no hydrogen 3.207 N/A VAL 190.A N SER 186.A O no hydrogen 3.080 N/A PHE 191.A N CYS 187.A O no hydrogen 3.457 N/A LEU 192.A N ARG 188.A O no hydrogen 2.934 N/A LEU 193.A N LEU 189.A O no hydrogen 2.849 N/A MET 194.A N VAL 190.A O no hydrogen 2.950 N/A GLN 195.A N PHE 191.A O no hydrogen 2.920 N/A TYR 196.A N LEU 192.A O no hydrogen 2.921 N/A TYR 196.A OH TRP 235.A O no hydrogen 3.061 N/A CYS 197.A N LEU 193.A O no hydrogen 2.857 N/A CYS 197.A SG LEU 150.A O no hydrogen 3.628 N/A CYS 197.A SG LEU 193.A O no hydrogen 3.373 N/A VAL 198.A N MET 194.A O no hydrogen 2.990 N/A ALA 199.A N GLN 195.A O no hydrogen 2.976 N/A ALA 200.A N TYR 196.A O no hydrogen 2.832 N/A ASN 201.A N CYS 197.A O no hydrogen 2.927 N/A ASN 201.A ND2 SER 147.A OG no hydrogen 2.942 N/A TYR 202.A N VAL 198.A O no hydrogen 3.008 N/A TYR 202.A OH GLU 323.A OE2 no hydrogen 2.366 N/A TYR 203.A N ALA 199.A O no hydrogen 2.912 N/A TYR 203.A OH PRO 273.A O no hydrogen 3.395 N/A TRP 204.A N ALA 200.A O no hydrogen 2.878 N/A LEU 205.A N ASN 201.A O no hydrogen 2.991 N/A LEU 206.A N TYR 202.A O no hydrogen 2.968 N/A VAL 207.A N TYR 203.A O no hydrogen 2.866 N/A GLU 208.A N TRP 204.A O no hydrogen 2.894 N/A GLY 209.A N LEU 205.A O no hydrogen 3.023 N/A VAL 210.A N LEU 206.A O no hydrogen 2.875 N/A TYR 211.A N VAL 207.A O no hydrogen 2.879 N/A LEU 212.A N GLU 208.A O no hydrogen 3.008 N/A TYR 213.A N GLY 209.A O no hydrogen 2.902 N/A THR 214.A N VAL 210.A O no hydrogen 2.871 N/A THR 214.A N TYR 211.A O no hydrogen 3.203 N/A THR 214.A OG1 VAL 210.A O no hydrogen 3.062 N/A THR 214.A OG1 TYR 211.A O no hydrogen 2.645 N/A THR 214.A OG1 TYR 230.A OH no hydrogen 3.293 N/A LEU 215.A N TYR 211.A O no hydrogen 2.931 N/A LEU 216.A N LEU 212.A O no hydrogen 2.968 N/A GLN 224.A NE2 SER 222.A OG no hydrogen 3.279 N/A ILE 226.A N SER 222.A O no hydrogen 3.015 N/A PHE 227.A N GLU 223.A O no hydrogen 3.210 N/A LEU 229.A N TRP 225.A O no hydrogen 3.268 N/A TYR 230.A N ILE 226.A O no hydrogen 2.650 N/A TYR 230.A OH THR 214.A OG1 no hydrogen 3.293 N/A VAL 231.A N PHE 227.A O no hydrogen 2.894 N/A SER 232.A N ARG 228.A O no hydrogen 2.934 N/A SER 232.A OG ARG 228.A O no hydrogen 3.381 N/A SER 232.A OG LEU 229.A O no hydrogen 2.521 N/A ILE 233.A N LEU 229.A O no hydrogen 2.884 N/A GLY 234.A N TYR 230.A O no hydrogen 2.876 N/A TRP 235.A N VAL 231.A O no hydrogen 2.954 N/A TRP 235.A NE1 ASN 143.A OD1 no hydrogen 3.220 N/A GLY 236.A N SER 232.A O no hydrogen 2.867 N/A VAL 237.A N SER 232.A O no hydrogen 3.210 N/A LEU 239.A N GLY 236.A O no hydrogen 2.919 N/A LEU 240.A N VAL 237.A O no hydrogen 2.862 N/A PHE 241.A N PRO 238.A O no hydrogen 3.375 N/A VAL 242.A N PRO 238.A O no hydrogen 2.980 N/A VAL 243.A N LEU 239.A O no hydrogen 3.336 N/A TRP 245.A N PHE 241.A O no hydrogen 3.183 N/A GLY 246.A N VAL 242.A O no hydrogen 2.838 N/A ILE 247.A N VAL 243.A O no hydrogen 2.913 N/A VAL 248.A N PRO 244.A O no hydrogen 2.912 N/A LYS 249.A N TRP 245.A O no hydrogen 2.876 N/A LYS 249.A NZ GLU 253.A OE2 no hydrogen 2.934 N/A LYS 249.A NZ ARG 260.A O no hydrogen 2.646 N/A TYR 250.A N GLY 246.A O no hydrogen 2.887 N/A LEU 251.A N ILE 247.A O no hydrogen 2.925 N/A TYR 252.A N VAL 248.A O no hydrogen 2.860 N/A CYS 257.A SG GLN 182.A O no hydrogen 3.365 N/A TRP 258.A N GLU 255.A O no hydrogen 3.401 N/A THR 259.A N GLY 256.A O no hydrogen 3.173 N/A THR 259.A OG1 GLY 256.A O no hydrogen 2.444 N/A SER 262.A N GLU 253.A OE2 no hydrogen 3.122 N/A TRP 267.A N ASN 263.A O no hydrogen 3.246 N/A LEU 268.A N ASN 265.A O no hydrogen 3.190 N/A ILE 269.A N TYR 266.A O no hydrogen 3.217 N/A ARG 271.A N TRP 267.A O no hydrogen 3.451 N/A ARG 271.A NE TRP 267.A O no hydrogen 3.275 N/A ARG 271.A NH1 GLU 332.A OE1 no hydrogen 3.183 N/A ARG 271.A NH1 GLU 332.A OE2 no hydrogen 3.502 N/A ARG 271.A NH2 MET 264.A O no hydrogen 3.371 N/A ARG 271.A NH2 GLU 332.A OE2 no hydrogen 2.838 N/A LEU 272.A N LEU 268.A O no hydrogen 3.294 N/A ILE 274.A N ILE 270.A O no hydrogen 3.458 N/A LEU 275.A N ARG 271.A O no hydrogen 2.812 N/A PHE 276.A N LEU 272.A O no hydrogen 2.905 N/A ALA 277.A N PRO 273.A O no hydrogen 2.941 N/A ILE 278.A N ILE 274.A O no hydrogen 2.932 N/A GLY 279.A N LEU 275.A O no hydrogen 2.888 N/A VAL 280.A N PHE 276.A O no hydrogen 2.969 N/A ASN 281.A N ALA 277.A O no hydrogen 2.932 N/A PHE 282.A N ILE 278.A O no hydrogen 2.890 N/A LEU 283.A N GLY 279.A O no hydrogen 2.977 N/A ILE 284.A N VAL 280.A O no hydrogen 2.945 N/A PHE 285.A N ASN 281.A O no hydrogen 2.881 N/A VAL 286.A N PHE 282.A O no hydrogen 2.937 N/A ARG 287.A N LEU 283.A O no hydrogen 2.968 N/A VAL 288.A N ILE 284.A O no hydrogen 2.894 N/A ILE 289.A N PHE 285.A O no hydrogen 2.945 N/A CYS 290.A N VAL 286.A O no hydrogen 2.934 N/A CYS 290.A SG VAL 286.A O no hydrogen 3.326 N/A ILE 291.A N ARG 287.A O no hydrogen 2.935 N/A VAL 292.A N VAL 288.A O no hydrogen 2.892 N/A VAL 293.A N ILE 289.A O no hydrogen 2.912 N/A SER 294.A N CYS 290.A O no hydrogen 2.953 N/A SER 294.A OG CYS 290.A O no hydrogen 3.059 N/A LYS 295.A N ILE 291.A O no hydrogen 2.927 N/A LEU 296.A N VAL 292.A O no hydrogen 2.909 N/A LYS 297.A N VAL 293.A O no hydrogen 2.885 N/A ALA 298.A N SER 294.A O no hydrogen 2.926 N/A ASN 299.A N LYS 295.A O no hydrogen 3.460 N/A ILE 304.A N CYS 300.A O no hydrogen 2.944 N/A LYS 305.A N LYS 301.A O no hydrogen 3.288 N/A CYS 306.A N THR 302.A O no hydrogen 3.490 N/A ARG 307.A N ASP 303.A O no hydrogen 3.012 N/A LEU 308.A N ILE 304.A O no hydrogen 2.815 N/A ALA 309.A N LYS 305.A O no hydrogen 2.885 N/A LYS 310.A N CYS 306.A O no hydrogen 2.918 N/A SER 311.A N ARG 307.A O no hydrogen 2.972 N/A SER 311.A OG ARG 307.A O no hydrogen 2.985 N/A THR 312.A N LEU 308.A O no hydrogen 2.946 N/A THR 312.A OG1 LEU 308.A O no hydrogen 2.997 N/A LEU 313.A N ALA 309.A O no hydrogen 2.883 N/A THR 314.A N LYS 310.A O no hydrogen 3.038 N/A THR 314.A OG1 LYS 310.A O no hydrogen 2.714 N/A LEU 315.A N SER 311.A O no hydrogen 2.898 N/A ILE 316.A N THR 312.A O no hydrogen 3.172 N/A LEU 319.A N LEU 315.A O no hydrogen 3.210 N/A LEU 319.A N ILE 316.A O no hydrogen 3.282 N/A GLY 320.A N ILE 316.A O no hydrogen 2.676 N/A HIS 322.A NE2 GLN 353.A OE1 no hydrogen 2.790 N/A VAL 324.A N THR 321.A O no hydrogen 3.168 N/A PHE 326.A N GLU 323.A O no hydrogen 3.305 N/A GLU 332.A N GLU 332.A OE1 no hydrogen 2.654 N/A HIS 333.A N MET 330.A O no hydrogen 3.145 N/A ALA 334.A N MET 330.A O no hydrogen 3.095 N/A ALA 334.A N ASP 331.A O no hydrogen 3.247 N/A ARG 335.A NH1 ASP 331.A O no hydrogen 2.879 N/A ARG 335.A NH1 ALA 334.A O no hydrogen 2.848 N/A ARG 339.A N ARG 335.A O no hydrogen 3.460 N/A ARG 339.A NH1 ASP 331.A O no hydrogen 3.073 N/A ARG 339.A NH1 ALA 334.A O no hydrogen 2.655 N/A PHE 340.A N GLY 336.A O no hydrogen 3.347 N/A ILE 341.A N THR 337.A O no hydrogen 2.893 N/A LYS 342.A N LEU 338.A O no hydrogen 2.939 N/A LYS 342.A NZ PHE 326.A O no hydrogen 3.005 N/A LYS 342.A NZ VAL 329.A O no hydrogen 3.198 N/A LYS 342.A NZ GLU 346.A OE2 no hydrogen 3.217 N/A LEU 343.A N ARG 339.A O no hydrogen 2.928 N/A PHE 344.A N PHE 340.A O no hydrogen 2.849 N/A THR 345.A N ILE 341.A O no hydrogen 2.911 N/A GLU 346.A N LYS 342.A O no hydrogen 2.979 N/A LEU 347.A N LEU 343.A O no hydrogen 2.909 N/A SER 348.A N PHE 344.A O no hydrogen 2.887 N/A PHE 349.A N THR 345.A O no hydrogen 2.914 N/A THR 350.A N GLU 346.A O no hydrogen 2.917 N/A THR 350.A OG1 GLU 323.A OE2 no hydrogen 3.342 N/A THR 350.A OG1 GLU 346.A O no hydrogen 2.673 N/A SER 351.A N LEU 347.A O no hydrogen 2.911 N/A SER 351.A OG LEU 347.A O no hydrogen 3.081 N/A SER 351.A OG SER 348.A O no hydrogen 2.989 N/A GLN 353.A N THR 350.A O no hydrogen 3.304 N/A GLN 353.A NE2 PRO 317.A O no hydrogen 2.862 N/A LEU 355.A N SER 116.A OG no hydrogen 2.833 N/A MET 356.A N PHE 352.A O no hydrogen 3.014 N/A VAL 357.A N GLN 353.A O no hydrogen 2.897 N/A ALA 358.A N GLY 354.A O no hydrogen 2.906 N/A ILE 359.A N LEU 355.A O no hydrogen 2.933 N/A LEU 360.A N MET 356.A O no hydrogen 2.896 N/A TYR 361.A N VAL 357.A O no hydrogen 2.923 N/A CYS 362.A N ALA 358.A O no hydrogen 2.898 N/A CYS 362.A SG ALA 123.A O no hydrogen 3.872 N/A PHE 363.A N ILE 359.A O no hydrogen 2.926 N/A VAL 364.A N ILE 359.A O no hydrogen 3.096 N/A GLN 369.A N ASN 365.A O no hydrogen 3.069 N/A GLN 369.A NE2 PHE 363.A O no hydrogen 3.217 N/A LEU 370.A N ASN 366.A O no hydrogen 2.898 N/A GLU 371.A N GLU 367.A O no hydrogen 2.893 N/A PHE 372.A N VAL 368.A O no hydrogen 2.917 N/A ARG 373.A N GLN 369.A O no hydrogen 2.901 N/A LYS 374.A N LEU 370.A O no hydrogen 2.894 N/A LYS 374.A NZ GLU 371.A OE2 no hydrogen 3.061 N/A SER 375.A N GLU 371.A O no hydrogen 2.895 N/A TRP 376.A N PHE 372.A O no hydrogen 2.905 N/A GLU 377.A N ARG 373.A O no hydrogen 2.901 N/A ARG 378.A N LYS 374.A O no hydrogen 2.930 N/A TRP 379.A N SER 375.A O no hydrogen 3.183 N/A ARG 380.A N TRP 376.A O no hydrogen 3.282 N/A ARG 380.A NH1 GLU 377.A OE2 no hydrogen 3.141 N/A LEU 381.A N GLU 377.A O no hydrogen 3.306 N/A