Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 4lo6_B.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): THR 1.A OG1 THR 1.A O no hydrogen 2.669 N/A SER 8.A OG ASN 9.A O no hydrogen 3.535 N/A SER 8.A OG ASP 257.A OD2 no hydrogen 3.534 N/A ASN 9.A N ASP 257.A OD2 no hydrogen 2.912 N/A ASN 9.A ND2 ASN 118.A OD1 no hydrogen 3.077 N/A GLY 10.A N TYR 116.A O no hydrogen 2.863 N/A TYR 12.A N ILE 114.A O no hydrogen 2.914 N/A TYR 12.A OH SER 8.A O no hydrogen 2.586 N/A VAL 13.A N VAL 168.A O no hydrogen 2.856 N/A ILE 14.A N GLU 112.A O no hydrogen 2.688 N/A ASN 15.A N ILE 166.A O no hydrogen 2.917 N/A ASN 15.A ND2 GLU 109.A OE2 no hydrogen 2.789 N/A LYS 16.A N LYS 110.A O no hydrogen 2.759 N/A LYS 16.A NZ GLU 112.A OE2 no hydrogen 2.607 N/A GLY 17.A N ASN 15.A OD1 no hydrogen 2.796 N/A GLY 19.A N ASP 18.A OD1 no hydrogen 2.638 N/A TYR 20.A N TYR 108.A O no hydrogen 3.003 N/A TYR 20.A OH LYS 16.A O no hydrogen 2.787 N/A ILE 21.A N ILE 158.A O no hydrogen 2.973 N/A ARG 22.A N ASP 27.A OD2 no hydrogen 2.828 N/A ARG 22.A NH1 ASP 27.A OD1 no hydrogen 2.749 N/A ARG 22.A NH1 ASP 27.A OD2 no hydrogen 3.269 N/A THR 23.A N GLY 156.A O no hydrogen 3.065 N/A THR 23.A OG1 GLU 154.A O no hydrogen 2.855 N/A ASN 24.A ND2 ALA 153.A O no hydrogen 3.063 N/A LEU 28.A N ASP 25.A O no hydrogen 3.136 N/A ILE 29.A N ALA 104.A O no hydrogen 2.712 N/A GLY 30.A N ALA 104.A O no hydrogen 3.459 N/A LEU 32.A N ILE 102.A O no hydrogen 2.851 N/A ILE 34.A N ILE 100.A O no hydrogen 2.741 N/A ALA 36.A N ASN 99.A OD1 no hydrogen 2.962 N/A GLY 37.A N ALA 94.A O no hydrogen 3.319 N/A GLY 37.A N PRO 95.A O no hydrogen 3.310 N/A SER 38.A N GLU 35.A O no hydrogen 3.081 N/A SER 38.A OG GLU 35.A O no hydrogen 3.389 N/A GLY 40.A N GLU 92.A O no hydrogen 2.952 N/A ILE 42.A N PHE 90.A O no hydrogen 3.029 N/A GLN 44.A N PHE 88.A O no hydrogen 2.854 N/A ARG 46.A N GLN 44.A OE1 no hydrogen 2.738 N/A ARG 46.A NE SER 86.A O no hydrogen 2.764 N/A ARG 46.A NH2 SER 86.A O no hydrogen 3.206 N/A THR 51.A N ASN 82.A O no hydrogen 2.797 N/A THR 51.A OG1 PHE 81.A O no hydrogen 3.232 N/A LEU 54.A N TYR 128.A O no hydrogen 3.128 N/A THR 56.A N GLU 126.A O no hydrogen 3.048 N/A THR 57.A OG1 PHE 63.A O no hydrogen 2.847 N/A SER 58.A N LYS 124.A O no hydrogen 2.812 N/A SER 58.A OG LYS 124.A O no hydrogen 3.130 N/A ASN 59.A N THR 57.A OG1 no hydrogen 3.031 N/A ASN 59.A ND2 ASN 123.A OD1 no hydrogen 3.030 N/A THR 61.A N ASN 59.A OD1 no hydrogen 3.370 N/A LYS 62.A N ASN 59.A O no hydrogen 3.400 N/A GLN 65.A NE2 GLU 69.A OE2 no hydrogen 3.107 N/A GLN 66.A NE2 GLN 66.A O no hydrogen 3.648 N/A TYR 67.A N SER 64.A OG no hydrogen 3.353 N/A THR 68.A N SER 64.A O no hydrogen 3.072 N/A THR 68.A OG1 SER 64.A O no hydrogen 2.819 N/A GLU 69.A N GLN 65.A O no hydrogen 2.984 N/A GLU 70.A N GLN 66.A O no hydrogen 2.925 N/A ARG 71.A N TYR 67.A O no hydrogen 2.937 N/A ARG 71.A NH1 ASP 74.A OD2 no hydrogen 2.571 N/A LEU 72.A N THR 68.A O no hydrogen 2.856 N/A LYS 73.A N GLU 69.A O no hydrogen 2.955 N/A ASP 74.A N GLU 70.A O no hydrogen 2.923 N/A ALA 75.A N ARG 71.A O no hydrogen 2.829 N/A PHE 76.A N LEU 72.A O no hydrogen 2.926 N/A ASN 77.A N LYS 73.A O no hydrogen 2.912 N/A GLN 79.A NE2 ASN 77.A OD1 no hydrogen 3.279 N/A SER 84.A N ASN 49.A O no hydrogen 2.949 N/A SER 86.A N SER 84.A OG no hydrogen 3.075 N/A PHE 90.A N ILE 42.A O no hydrogen 2.941 N/A GLU 92.A N GLY 40.A O no hydrogen 2.975 N/A ALA 94.A N SER 38.A O no hydrogen 2.962 N/A LYS 98.A NZ ASN 139.A OD1 no hydrogen 2.398 N/A ILE 100.A N ILE 34.A O no hydrogen 2.937 N/A CYS 101.A N THR 138.A O no hydrogen 2.901 N/A ILE 102.A N LEU 32.A O no hydrogen 3.106 N/A LYS 103.A N GLU 136.A O no hydrogen 2.915 N/A ALA 104.A N GLY 30.A O no hydrogen 3.047 N/A TYR 105.A N TYR 134.A O no hydrogen 2.765 N/A ASN 106.A N ASP 27.A O no hydrogen 2.842 N/A TYR 108.A N TYR 20.A O no hydrogen 2.863 N/A TYR 108.A OH ASP 27.A OD1 no hydrogen 2.644 N/A GLU 109.A N LEU 129.A O no hydrogen 2.754 N/A LYS 110.A N GLY 17.A O no hydrogen 2.943 N/A TYR 111.A N TYR 127.A O no hydrogen 2.825 N/A GLU 112.A N ILE 14.A O no hydrogen 2.814 N/A LEU 113.A N ALA 125.A O no hydrogen 2.836 N/A ILE 114.A N TYR 12.A O no hydrogen 2.887 N/A ASP 115.A N ASN 123.A O no hydrogen 2.976 N/A TYR 116.A N GLY 10.A O no hydrogen 2.803 N/A TYR 116.A OH LEU 5.A O no hydrogen 2.670 N/A GLN 117.A N SER 120.A O no hydrogen 2.989 N/A ASN 118.A N ASN 9.A OD1 no hydrogen 2.744 N/A SER 120.A N GLN 117.A O no hydrogen 3.313 N/A VAL 122.A N ASP 115.A O no hydrogen 2.844 N/A ASN 123.A ND2 ASP 115.A OD1 no hydrogen 3.132 N/A LYS 124.A N SER 58.A OG no hydrogen 2.840 N/A LYS 124.A NZ GLU 112.A OE1 no hydrogen 3.562 N/A ALA 125.A N LEU 113.A O no hydrogen 2.897 N/A GLU 126.A N THR 56.A O no hydrogen 2.775 N/A TYR 127.A N TYR 111.A O no hydrogen 2.793 N/A TYR 127.A OH GLU 69.A OE2 no hydrogen 2.893 N/A TYR 128.A N LEU 54.A O no hydrogen 2.835 N/A LEU 129.A N GLU 109.A O no hydrogen 2.856 N/A SER 131.A N THR 107.A O no hydrogen 2.769 N/A SER 131.A OG ASP 18.A OD1 no hydrogen 2.683 N/A SER 131.A OG ASP 18.A OD2 no hydrogen 2.979 N/A GLY 133.A N THR 107.A OG1 no hydrogen 2.850 N/A TYR 134.A N TYR 105.A O no hydrogen 2.946 N/A GLU 136.A N LYS 103.A O no hydrogen 2.974 N/A THR 138.A N CYS 101.A O no hydrogen 2.878 N/A ALA 153.A N ASN 24.A OD1 no hydrogen 2.948 N/A ILE 158.A N ILE 21.A O no hydrogen 2.856 N/A GLN 159.A NE2 ASP 18.A O no hydrogen 3.144 N/A ASN 160.A N GLY 19.A O no hydrogen 2.902 N/A ILE 166.A N ASN 15.A O no hydrogen 3.109 N/A VAL 168.A N VAL 13.A O no hydrogen 2.927 N/A VAL 170.A N LEU 11.A O no hydrogen 3.131 N/A ILE 171.A N LYS 248.A O no hydrogen 2.864 N/A ASP 172.A N TYR 202.A OH no hydrogen 3.129 N/A SER 174.A N ASP 172.A OD2 no hydrogen 2.914 N/A SER 174.A OG ASP 172.A OD2 no hydrogen 2.540 N/A GLU 175.A N ASP 172.A O no hydrogen 3.195 N/A GLN 178.A N TYR 202.A O no hydrogen 2.801 N/A ILE 180.A N LEU 204.A O no hydrogen 2.951 N/A ALA 183.A N GLY 240.A O no hydrogen 2.857 N/A ILE 184.A N THR 206.A O no hydrogen 3.107 N/A TYR 188.A N PHE 292.A O no hydrogen 3.039 N/A THR 189.A OG1 GLN 291.A OE1 no hydrogen 2.511 N/A TYR 190.A N ILE 290.A O no hydrogen 2.714 N/A ILE 192.A N ASN 288.A O no hydrogen 3.098 N/A VAL 196.A N PRO 193.A O no hydrogen 3.256 N/A ASN 199.A N ASN 197.A O no hydrogen 2.504 N/A ASN 199.A ND2 ASN 197.A O no hydrogen 3.010 N/A PHE 201.A N VAL 279.A O no hydrogen 2.995 N/A TYR 202.A N ASN 176.A O no hydrogen 2.842 N/A ILE 203.A N ILE 277.A O no hydrogen 2.750 N/A LEU 204.A N GLN 178.A O no hydrogen 2.803 N/A PHE 205.A N TYR 275.A O no hydrogen 2.889 N/A THR 206.A OG1 LYS 273.A O no hydrogen 2.726 N/A THR 206.A OG1 ASN 274.A OD1 no hydrogen 3.281 N/A ASN 208.A N ILE 184.A O no hydrogen 2.949 N/A ASN 208.A ND2 SER 185.A OG no hydrogen 3.225 N/A GLY 211.A N LEU 269.A O no hydrogen 3.084 N/A TYR 213.A N VAL 267.A O no hydrogen 2.704 N/A TYR 213.A OH SER 185.A O no hydrogen 2.953 N/A LYS 214.A N LYS 293.A O no hydrogen 2.745 N/A LYS 214.A NZ ASN 216.A OD1 no hydrogen 3.276 N/A ILE 215.A N LEU 265.A O no hydrogen 2.911 N/A ASN 216.A N GLN 291.A O no hydrogen 3.121 N/A ASN 216.A ND2 ALA 217.A O no hydrogen 2.919 N/A GLN 218.A N ASN 288.A OD1 no hydrogen 2.972 N/A GLN 218.A NE2 GLU 287.A O no hydrogen 3.531 N/A ASN 220.A N ALA 217.A O no hydrogen 2.885 N/A LEU 221.A N GLN 218.A O no hydrogen 3.039 N/A SER 223.A OG ALA 261.A O no hydrogen 2.439 N/A SER 223.A OG SER 263.A OG no hydrogen 2.598 N/A LYS 225.A N ARG 278.A O no hydrogen 3.331 N/A LYS 225.A NZ SER 8.A OG no hydrogen 2.654 N/A LYS 225.A NZ TYR 227.A OH no hydrogen 2.912 N/A LYS 225.A NZ ASP 257.A OD1 no hydrogen 2.764 N/A ILE 226.A N THR 254.A O no hydrogen 3.042 N/A TYR 227.A N TYR 276.A O no hydrogen 2.731 N/A GLU 228.A N ASN 251.A O no hydrogen 2.899 N/A ALA 229.A N ASN 274.A O no hydrogen 3.033 N/A ILE 230.A N ALA 249.A O no hydrogen 2.972 N/A SER 232.A N ALA 229.A O no hydrogen 3.102 N/A SER 232.A OG ALA 229.A O no hydrogen 2.778 N/A ASN 234.A ND2 GLY 231.A O no hydrogen 2.888 N/A ASN 241.A N GLN 238.A O no hydrogen 2.906 N/A ASN 241.A ND2 SER 239.A O no hydrogen 3.251 N/A LEU 242.A N ASN 181.A O no hydrogen 3.111 N/A ASP 246.A N ASP 244.A OD1 no hydrogen 2.844 N/A ILE 250.A N GLY 169.A O no hydrogen 2.710 N/A ASN 251.A N GLU 228.A O no hydrogen 2.843 N/A TYR 252.A OH GLY 255.A O no hydrogen 2.663 N/A ILE 253.A N ILE 226.A O no hydrogen 2.962 N/A THR 254.A OG1 SER 306.A OG no hydrogen 3.140 N/A ASP 257.A N GLN 324.A OE1 no hydrogen 2.864 N/A ALA 261.A N SER 258.A O no hydrogen 3.286 N/A LYS 262.A NZ ASP 311.A OD2 no hydrogen 2.725 N/A SER 263.A N ASN 220.A O no hydrogen 3.025 N/A SER 263.A OG SER 223.A OG no hydrogen 2.598 N/A TYR 264.A N VAL 307.A O no hydrogen 3.105 N/A TYR 264.A OH GLU 335.A OE2 no hydrogen 3.189 N/A LEU 265.A N ILE 215.A O no hydrogen 2.852 N/A VAL 266.A N SER 305.A O no hydrogen 2.933 N/A VAL 267.A N TYR 213.A O no hydrogen 2.857 N/A LEU 269.A N GLY 211.A O no hydrogen 2.854 N/A ASN 270.A N TYR 275.A OH no hydrogen 2.800 N/A LYS 271.A N THR 210.A OG1 no hydrogen 3.197 N/A LYS 273.A N ASN 270.A O no hydrogen 3.280 N/A LYS 273.A NZ SER 232.A O no hydrogen 2.952 N/A ASN 274.A N SER 232.A OG no hydrogen 2.793 N/A ASN 274.A ND2 CYS 243.A O no hydrogen 2.843 N/A TYR 275.A N PHE 205.A O no hydrogen 2.862 N/A TYR 276.A N TYR 227.A O no hydrogen 2.878 N/A TYR 276.A OH ILE 247.A O no hydrogen 2.712 N/A ILE 277.A N ILE 203.A O no hydrogen 2.839 N/A ARG 278.A N LYS 225.A O no hydrogen 2.868 N/A ARG 278.A NE GLU 175.A OE1 no hydrogen 3.210 N/A ARG 278.A NH2 GLU 175.A OE2 no hydrogen 3.293 N/A VAL 279.A N PHE 201.A O no hydrogen 2.943 N/A SER 284.A N THR 282.A OG1 no hydrogen 3.374 N/A ASN 288.A ND2 LEU 221.A O no hydrogen 2.908 N/A GLN 289.A N ASN 288.A OD1 no hydrogen 2.794 N/A GLN 289.A NE2 ASN 191.A OD1 no hydrogen 3.348 N/A ILE 290.A N TYR 190.A O no hydrogen 2.714 N/A GLN 291.A N ASN 216.A O no hydrogen 2.734 N/A PHE 292.A N TYR 188.A O no hydrogen 2.806 N/A LYS 293.A N LYS 214.A O no hydrogen 2.811 N/A ARG 294.A N ASP 186.A O no hydrogen 2.773 N/A ARG 294.A NE GLU 296.A OE1 no hydrogen 3.551 N/A ARG 294.A NE GLU 296.A OE2 no hydrogen 3.471 N/A ARG 294.A NH1 THR 209.A O no hydrogen 3.132 N/A ARG 294.A NH1 THR 210.A O no hydrogen 3.274 N/A ARG 294.A NH1 TYR 213.A OH no hydrogen 3.505 N/A ARG 294.A NH2 THR 210.A O no hydrogen 3.280 N/A GLU 295.A N ILE 212.A O no hydrogen 2.744 N/A ARG 300.A N GLY 297.A O no hydrogen 3.246 N/A ARG 300.A NE GLY 297.A O no hydrogen 2.873 N/A ASN 301.A N ASP 298.A O no hydrogen 2.952 N/A LEU 302.A N LEU 299.A O no hydrogen 2.956 N/A MET 303.A N ARG 300.A O no hydrogen 3.259 N/A SER 305.A N VAL 266.A O no hydrogen 3.098 N/A SER 305.A OG LEU 302.A O no hydrogen 2.850 N/A SER 305.A OG SER 333.A OG no hydrogen 3.013 N/A SER 306.A OG THR 254.A OG1 no hydrogen 3.140 N/A VAL 307.A N TYR 264.A O no hydrogen 2.729 N/A ASN 308.A N SER 333.A O no hydrogen 2.866 N/A ASN 308.A ND2 SER 333.A O no hydrogen 3.138 N/A ILE 309.A N LYS 262.A O no hydrogen 2.944 N/A ILE 310.A N GLU 335.A O no hydrogen 2.866 N/A SER 315.A OG THR 316.A O no hydrogen 3.278 N/A GLY 317.A N ILE 419.A O no hydrogen 2.749 N/A HIS 319.A ND1 ILE 417.A O no hydrogen 3.052 N/A TYR 321.A N LEU 415.A O no hydrogen 2.876 N/A TYR 321.A OH ASN 312.A OD1 no hydrogen 2.675 N/A ARG 323.A N ILE 413.A O no hydrogen 3.088 N/A ARG 323.A NE ASN 308.A OD1 no hydrogen 2.702 N/A ARG 323.A NH1 THR 322.A O no hydrogen 2.834 N/A GLN 324.A NE2 ASP 257.A OD2 no hydrogen 2.794 N/A GLN 324.A NE2 TYR 411.A OH no hydrogen 3.052 N/A SER 325.A N TYR 411.A O no hydrogen 2.853 N/A SER 325.A OG PRO 326.A O no hydrogen 2.954 N/A VAL 328.A N ASP 327.A OD1 no hydrogen 2.612 N/A HIS 329.A N VAL 405.A O no hydrogen 2.674 N/A ASP 330.A N ASP 327.A O no hydrogen 2.970 N/A ILE 332.A N VAL 403.A O no hydrogen 2.932 N/A SER 333.A N SER 306.A O no hydrogen 3.012 N/A SER 333.A OG SER 305.A OG no hydrogen 3.013 N/A TYR 334.A N LEU 401.A O no hydrogen 2.789 N/A GLU 335.A N ASN 308.A O no hydrogen 2.828 N/A PHE 336.A N TYR 399.A O no hydrogen 2.860 N/A ILE 338.A N ALA 397.A O no hydrogen 2.995 N/A ASN 343.A ND2 ASP 346.A OD2 no hydrogen 2.658 N/A LYS 345.A N ASN 343.A OD1 no hydrogen 2.942 N/A ASP 346.A N ASN 343.A OD1 no hydrogen 2.688 N/A THR 347.A OG1 LEU 393.A O no hydrogen 2.761 N/A SER 348.A N LEU 393.A O no hydrogen 2.910 N/A SER 348.A OG ASN 395.A OD1 no hydrogen 2.831 N/A ASN 349.A N THR 420.A O no hydrogen 2.980 N/A ILE 350.A N ILE 391.A O no hydrogen 2.761 N/A ARG 351.A N ASP 418.A O no hydrogen 2.871 N/A ARG 351.A NE ASN 387.A O no hydrogen 2.585 N/A ARG 351.A NH2 ASN 387.A O no hydrogen 2.902 N/A TYR 353.A N HIS 416.A O no hydrogen 3.229 N/A TYR 353.A OH ASP 418.A OD1 no hydrogen 2.876 N/A THR 354.A N LEU 384.A O no hydrogen 3.032 N/A THR 354.A OG1 ASN 357.A O no hydrogen 2.760 N/A ASN 357.A ND2 ASN 410.A O no hydrogen 2.948 N/A GLN 358.A N GLU 407.A O no hydrogen 3.063 N/A GLY 359.A N GLN 358.A OE1 no hydrogen 2.898 N/A ILE 360.A N GLU 404.A O no hydrogen 2.796 N/A GLY 361.A N LEU 382.A O no hydrogen 2.685 N/A THR 362.A N LYS 402.A O no hydrogen 2.927 N/A LEU 363.A N GLN 379.A O no hydrogen 2.939 N/A PHE 364.A N ILE 400.A O no hydrogen 2.672 N/A ARG 365.A N ILE 376.A O no hydrogen 2.794 N/A VAL 366.A N ILE 398.A O no hydrogen 2.880 N/A THR 367.A N ASN 374.A O no hydrogen 3.051 N/A THR 369.A N GLY 372.A O no hydrogen 2.743 N/A THR 369.A OG1 GLY 372.A O no hydrogen 3.120 N/A ASP 371.A N THR 369.A OG1 no hydrogen 2.734 N/A GLY 372.A N THR 369.A O no hydrogen 3.296 N/A ASN 374.A N THR 367.A O no hydrogen 2.787 N/A LEU 375.A N ASP 298.A OD1 no hydrogen 2.952 N/A ILE 376.A N ARG 365.A O no hydrogen 2.878 N/A ILE 378.A N LEU 363.A O no hydrogen 3.055 N/A GLN 380.A NE2 ASN 377.A OD1 no hydrogen 2.661 N/A LEU 382.A N GLY 361.A O no hydrogen 2.937 N/A LEU 384.A N GLY 359.A O no hydrogen 2.974 N/A LEU 385.A N GLN 358.A OE1 no hydrogen 3.077 N/A ASN 386.A N THR 354.A O no hydrogen 3.124 N/A ASN 387.A N LEU 384.A O no hydrogen 3.058 N/A ASN 387.A ND2 LEU 352.A O no hydrogen 2.947 N/A ASN 389.A N ASN 387.A OD1 no hydrogen 3.035 N/A ILE 391.A N ILE 350.A O no hydrogen 2.883 N/A LEU 393.A N SER 348.A O no hydrogen 2.900 N/A LEU 394.A N TYR 399.A OH no hydrogen 3.056 N/A ASN 395.A N ASP 346.A O no hydrogen 2.960 N/A GLY 396.A N ILE 338.A O no hydrogen 2.569 N/A ALA 397.A N LEU 394.A O no hydrogen 3.100 N/A TYR 399.A N PHE 336.A O no hydrogen 2.884 N/A ILE 400.A N PHE 364.A O no hydrogen 2.877 N/A LEU 401.A N TYR 334.A O no hydrogen 2.753 N/A LYS 402.A N THR 362.A O no hydrogen 2.879 N/A LYS 402.A NZ ASN 301.A O no hydrogen 2.685 N/A LYS 402.A NZ MET 303.A O no hydrogen 3.207 N/A VAL 403.A N ILE 332.A O no hydrogen 2.744 N/A GLU 404.A N ILE 360.A O no hydrogen 2.801 N/A VAL 405.A N ASP 330.A O no hydrogen 3.009 N/A THR 406.A N GLN 358.A O no hydrogen 2.907 N/A GLU 407.A N GLN 358.A O no hydrogen 3.177 N/A ASN 409.A N ASN 357.A OD1 no hydrogen 2.617 N/A ASN 409.A ND2 TYR 356.A O no hydrogen 2.903 N/A ASN 409.A ND2 GLU 407.A OE1 no hydrogen 3.212 N/A ASN 410.A N ASN 357.A OD1 no hydrogen 2.703 N/A ASN 412.A N ASN 410.A OD1 no hydrogen 2.734 N/A ILE 413.A N ARG 323.A O no hydrogen 2.826 N/A LEU 415.A N TYR 321.A O no hydrogen 2.936 N/A HIS 416.A N TYR 353.A O no hydrogen 2.752 N/A HIS 416.A NE2 SER 355.A OG no hydrogen 2.667 N/A ILE 417.A N HIS 319.A O no hydrogen 2.817 N/A ASP 418.A N ARG 351.A O no hydrogen 2.929 N/A ILE 419.A N GLY 317.A O no hydrogen 2.875 N/A THR 420.A N ASN 349.A O no hydrogen 2.885 N/A