Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 9b1d_E.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): THR 2.A OG1 ARG 3.A O no hydrogen 3.328 N/A ALA 5.A N THR 8.A OG1 no hydrogen 2.636 N/A ILE 10.A N HIS 7.A O no hydrogen 3.448 N/A LYS 11.A N GLY 26.A O no hydrogen 3.191 N/A LYS 11.A NZ THR 8.A O no hydrogen 2.376 N/A ASP 16.A N VAL 20.A O no hydrogen 3.225 N/A GLU 17.A N GLU 17.A OE1 no hydrogen 2.826 N/A SER 18.A OG ASP 16.A OD1 no hydrogen 3.216 N/A SER 18.A OG ASP 16.A OD2 no hydrogen 3.108 N/A GLY 19.A N ASP 16.A OD1 no hydrogen 2.830 N/A PHE 28.A N GLU 25.A O no hydrogen 3.128 N/A GLY 30.A N ARG 23.A O no hydrogen 3.225 N/A ARG 35.A N GLN 31.A O no hydrogen 3.012 N/A ARG 35.A NE LEU 13.A O no hydrogen 2.582 N/A ARG 35.A NH2 LYS 22.A O no hydrogen 2.415 N/A GLU 36.A N ILE 32.A O no hydrogen 2.926 N/A ALA 37.A N GLU 33.A O no hydrogen 2.933 N/A CYS 38.A N ALA 34.A O no hydrogen 2.888 N/A CYS 38.A SG ALA 34.A O no hydrogen 3.268 N/A GLY 39.A N ARG 35.A O no hydrogen 2.872 N/A VAL 40.A N GLU 36.A O no hydrogen 2.977 N/A ILE 41.A N ALA 37.A O no hydrogen 2.943 N/A VAL 42.A N CYS 38.A O no hydrogen 2.854 N/A ASP 43.A N GLY 39.A O no hydrogen 2.939 N/A LEU 44.A N VAL 40.A O no hydrogen 2.935 N/A ILE 45.A N ILE 41.A O no hydrogen 2.901 N/A LYS 46.A N VAL 42.A O no hydrogen 2.895 N/A ALA 47.A N ASP 43.A O no hydrogen 2.934 N/A ALA 47.A N LEU 44.A O no hydrogen 3.201 N/A LYS 48.A N ILE 45.A O no hydrogen 3.064 N/A LYS 48.A NZ LEU 272.A O no hydrogen 2.735 N/A SER 51.A OG SER 299.A O no hydrogen 3.228 N/A SER 51.A OG ASN 300.A O no hydrogen 3.018 N/A GLY 52.A N ALA 302.A O no hydrogen 3.362 N/A ILE 55.A N VAL 305.A O no hydrogen 3.266 N/A LEU 56.A N LEU 337.A O no hydrogen 2.815 N/A LEU 57.A N LEU 307.A O no hydrogen 2.716 N/A ALA 58.A N VAL 339.A O no hydrogen 2.960 N/A SER 62.A OG PRO 61.A O no hydrogen 2.686 N/A THR 63.A OG1 GLY 60.A O no hydrogen 2.393 N/A THR 63.A OG1 PRO 61.A O no hydrogen 2.844 N/A LYS 65.A NZ GLY 60.A O no hydrogen 2.891 N/A THR 66.A OG1 ASP 280.A OD1 no hydrogen 3.325 N/A LEU 68.A N GLY 64.A O no hydrogen 3.382 N/A ALA 69.A N LYS 65.A O no hydrogen 2.963 N/A LEU 70.A N THR 66.A O no hydrogen 2.931 N/A ALA 71.A N ALA 67.A O no hydrogen 2.873 N/A ILE 72.A N LEU 68.A O no hydrogen 2.904 N/A SER 73.A N ALA 69.A O no hydrogen 2.987 N/A GLN 74.A N LEU 70.A O no hydrogen 2.897 N/A GLU 75.A N ALA 71.A O no hydrogen 2.874 N/A LEU 76.A N ILE 72.A O no hydrogen 2.939 N/A GLY 77.A N SER 73.A O no hydrogen 3.072 N/A LYS 79.A NZ GLU 271.A OE2 no hydrogen 3.070 N/A CYS 83.A N VAL 276.A O no hydrogen 2.967 N/A CYS 83.A SG PRO 84.A O no hydrogen 3.907 N/A GLY 87.A N ASP 280.A O no hydrogen 3.015 N/A GLU 89.A N VAL 86.A O no hydrogen 3.009 N/A TYR 91.A OH MET 284.A O no hydrogen 2.889 N/A GLU 94.A N SER 92.A OG no hydrogen 3.245 N/A LYS 96.A NZ GLU 248.A OE1 no hydrogen 3.469 N/A LYS 97.A NZ GLU 288.A OE1 no hydrogen 3.443 N/A THR 100.A N LYS 96.A O no hydrogen 3.283 N/A THR 100.A OG1 LYS 96.A O no hydrogen 3.393 N/A LEU 101.A N LYS 97.A O no hydrogen 2.962 N/A MET 102.A N THR 98.A O no hydrogen 2.947 N/A GLU 103.A N GLU 99.A O no hydrogen 2.886 N/A ASN 104.A N THR 100.A O no hydrogen 2.958 N/A PHE 105.A N LEU 101.A O no hydrogen 2.896 N/A ARG 106.A N MET 102.A O no hydrogen 2.959 N/A ARG 106.A NE ASP 222.A OD2 no hydrogen 2.561 N/A ARG 106.A NH1 ASN 258.A OD1 no hydrogen 3.314 N/A ARG 106.A NH2 ASN 258.A OD1 no hydrogen 2.913 N/A ARG 107.A N GLU 103.A O no hydrogen 2.885 N/A ALA 108.A N ASN 104.A O no hydrogen 3.302 N/A ALA 108.A N PHE 105.A O no hydrogen 3.326 N/A GLY 110.A N ILE 273.A O no hydrogen 2.880 N/A LEU 111.A N VAL 216.A O no hydrogen 2.775 N/A ARG 112.A N GLU 271.A O no hydrogen 2.868 N/A ARG 112.A NH2 ASP 215.A OD2 no hydrogen 2.323 N/A ILE 113.A N GLN 214.A O no hydrogen 3.125 N/A LYS 114.A N VAL 269.A O no hydrogen 3.080 N/A GLU 115.A N ILE 212.A O no hydrogen 3.078 N/A LYS 117.A N LYS 210.A O no hydrogen 2.741 N/A LYS 117.A NZ GLU 172.A OE2 no hydrogen 2.507 N/A GLU 118.A N ASN 174.A OD1 no hydrogen 2.887 N/A VAL 119.A N LYS 208.A O no hydrogen 2.823 N/A TYR 120.A N ILE 171.A O no hydrogen 2.859 N/A GLU 121.A N VAL 206.A O no hydrogen 3.332 N/A GLU 123.A N LYS 140.A O no hydrogen 2.817 N/A VAL 124.A N ASP 167.A O no hydrogen 2.694 N/A THR 125.A N GLY 138.A O no hydrogen 2.648 N/A THR 125.A OG1 GLY 138.A O no hydrogen 2.632 N/A THR 128.A N ILE 136.A O no hydrogen 3.155 N/A THR 128.A OG1 GLU 126.A OE2 no hydrogen 2.957 N/A GLU 130.A N HIS 134.A O no hydrogen 2.657 N/A SER 133.A OG ASP 131.A OD2 no hydrogen 2.389 N/A VAL 135.A N LEU 150.A O no hydrogen 3.286 N/A ILE 136.A N THR 128.A O no hydrogen 2.796 N/A VAL 137.A N LEU 148.A O no hydrogen 2.984 N/A GLY 138.A N GLU 126.A O no hydrogen 3.336 N/A LEU 139.A N LYS 146.A O no hydrogen 2.598 N/A LYS 140.A N GLU 123.A O no hydrogen 2.923 N/A SER 141.A N GLY 144.A O no hydrogen 2.799 N/A SER 141.A OG PRO 202.A O no hydrogen 2.719 N/A SER 141.A OG GLY 204.A O no hydrogen 2.454 N/A ALA 142.A N PRO 202.A O no hydrogen 3.269 N/A THR 145.A OG1 LEU 139.A O no hydrogen 3.138 N/A LYS 146.A N LEU 139.A O no hydrogen 2.687 N/A LEU 148.A N VAL 137.A O no hydrogen 2.746 N/A ARG 149.A NE GLU 130.A OE1 no hydrogen 2.810 N/A ARG 149.A NE GLU 130.A OE2 no hydrogen 2.821 N/A ARG 149.A NH2 GLU 130.A OE1 no hydrogen 2.764 N/A LEU 150.A N VAL 135.A O no hydrogen 2.913 N/A TYR 155.A N ASP 151.A O no hydrogen 3.031 N/A GLU 156.A N PRO 152.A O no hydrogen 2.891 N/A SER 157.A N THR 153.A O no hydrogen 2.959 N/A SER 157.A OG THR 153.A O no hydrogen 2.960 N/A ILE 158.A N ILE 154.A O no hydrogen 2.880 N/A GLN 159.A N TYR 155.A O no hydrogen 2.821 N/A ARG 160.A N GLU 156.A O no hydrogen 3.021 N/A ARG 160.A NE GLU 156.A OE2 no hydrogen 3.420 N/A ARG 160.A NH2 GLU 156.A OE2 no hydrogen 3.211 N/A GLU 161.A N ILE 158.A O no hydrogen 3.186 N/A LYS 162.A N GLN 159.A O no hydrogen 3.422 N/A SER 164.A N ASP 167.A OD2 no hydrogen 2.677 N/A GLY 166.A N VAL 124.A O no hydrogen 3.012 N/A ASP 167.A N SER 164.A O no hydrogen 3.197 N/A VAL 168.A N GLY 182.A O no hydrogen 2.942 N/A ILE 169.A N GLY 122.A O no hydrogen 3.196 N/A ILE 171.A N TYR 120.A O no hydrogen 2.820 N/A GLU 172.A N ALA 177.A O no hydrogen 3.019 N/A ALA 173.A N GLU 118.A O no hydrogen 2.898 N/A ASN 174.A ND2 THR 116.A O no hydrogen 3.538 N/A GLY 176.A N GLU 172.A O no hydrogen 2.746 N/A VAL 178.A N GLN 232.A OE1 no hydrogen 2.795 N/A LYS 179.A N TYR 170.A O no hydrogen 3.248 N/A ARG 180.A N GLU 161.A OE2 no hydrogen 2.969 N/A ARG 180.A NE ASP 167.A OD2 no hydrogen 3.119 N/A ARG 180.A NH1 GLU 196.A OE1 no hydrogen 3.148 N/A ARG 180.A NH2 GLU 196.A OE1 no hydrogen 2.732 N/A VAL 181.A N VAL 168.A O no hydrogen 3.028 N/A ARG 183.A N GLU 197.A O no hydrogen 3.399 N/A SER 184.A N GLY 166.A O no hydrogen 3.141 N/A SER 184.A OG GLU 123.A OE1 no hydrogen 2.782 N/A TYR 187.A N SER 184.A O no hydrogen 3.268 N/A ALA 188.A N ASP 185.A O no hydrogen 3.015 N/A THR 189.A OG1 THR 189.A O no hydrogen 2.596 N/A GLU 190.A N TYR 187.A O no hydrogen 3.447 N/A VAL 199.A N ARG 183.A O no hydrogen 2.735 N/A GLU 205.A N GLU 205.A OE1 no hydrogen 2.725 N/A LYS 208.A N VAL 119.A O no hydrogen 2.784 N/A LYS 208.A NZ GLU 121.A OE2 no hydrogen 3.306 N/A LYS 208.A NZ LYS 203.A O no hydrogen 2.905 N/A LYS 208.A NZ GLU 205.A O no hydrogen 2.770 N/A LYS 210.A N LYS 117.A O no hydrogen 3.133 N/A ILE 212.A N GLU 115.A O no hydrogen 3.031 N/A GLN 214.A N ILE 113.A O no hydrogen 3.034 N/A GLN 214.A NE2 GLU 115.A OE1 no hydrogen 2.621 N/A VAL 216.A N LEU 111.A O no hydrogen 2.813 N/A THR 217.A N ASP 220.A OD2 no hydrogen 3.152 N/A LEU 218.A N ILE 109.A O no hydrogen 3.472 N/A HIS 219.A N ARG 106.A O no hydrogen 3.383 N/A HIS 219.A NE2 GLU 103.A OE2 no hydrogen 3.159 N/A ASP 220.A N THR 217.A OG1 no hydrogen 3.262 N/A LEU 221.A N THR 217.A O no hydrogen 3.259 N/A ASP 222.A N LEU 218.A O no hydrogen 2.922 N/A VAL 223.A N HIS 219.A O no hydrogen 2.902 N/A ALA 224.A N ASP 220.A O no hydrogen 2.903 N/A ASN 225.A N LEU 221.A O no hydrogen 2.913 N/A ASN 225.A ND2 LEU 221.A O no hydrogen 3.179 N/A ALA 226.A N VAL 223.A O no hydrogen 3.233 N/A ARG 227.A N VAL 223.A O no hydrogen 3.079 N/A GLN 232.A NE2 VAL 178.A O no hydrogen 2.930 N/A VAL 234.A N GLU 156.A OE2 no hydrogen 3.419 N/A ILE 235.A N ASP 233.A OD1 no hydrogen 3.047 N/A SER 236.A OG ASP 233.A O no hydrogen 2.576 N/A MET 237.A N ASP 233.A O no hydrogen 3.128 N/A MET 238.A N VAL 234.A O no hydrogen 2.895 N/A GLY 239.A N ILE 235.A O no hydrogen 2.895 N/A GLN 240.A N SER 236.A O no hydrogen 2.922 N/A LEU 241.A N MET 237.A O no hydrogen 2.892 N/A LEU 242.A N MET 238.A O no hydrogen 2.909 N/A LYS 246.A N GLU 94.A OE1 no hydrogen 3.298 N/A ARG 254.A NH1 ASP 222.A OD2 no hydrogen 3.425 N/A ARG 254.A NH2 GLU 99.A OE2 no hydrogen 3.304 N/A GLN 255.A N GLU 251.A O no hydrogen 2.893 N/A GLU 256.A N LYS 252.A O no hydrogen 2.933 N/A VAL 257.A N LEU 253.A O no hydrogen 2.886 N/A ASN 258.A N ARG 254.A O no hydrogen 2.873 N/A LYS 259.A N GLN 255.A O no hydrogen 2.931 N/A LYS 259.A NZ GLU 256.A OE1 no hydrogen 3.401 N/A LYS 259.A NZ GLU 256.A OE2 no hydrogen 2.910 N/A VAL 260.A N GLU 256.A O no hydrogen 2.932 N/A VAL 261.A N VAL 257.A O no hydrogen 2.893 N/A ALA 262.A N ASN 258.A O no hydrogen 2.879 N/A LYS 263.A N LYS 259.A O no hydrogen 2.937 N/A TYR 264.A N VAL 260.A O no hydrogen 2.921 N/A ILE 265.A N VAL 261.A O no hydrogen 2.897 N/A ASP 266.A N ALA 262.A O no hydrogen 2.905 N/A GLN 267.A N LYS 263.A O no hydrogen 3.019 N/A GLY 268.A N ILE 265.A O no hydrogen 2.816 N/A VAL 269.A N TYR 264.A O no hydrogen 3.258 N/A GLU 271.A N ARG 112.A O no hydrogen 2.831 N/A ILE 273.A N GLY 110.A O no hydrogen 2.752 N/A VAL 276.A N PRO 81.A O no hydrogen 2.978 N/A PHE 278.A N CYS 83.A O no hydrogen 2.987 N/A ILE 279.A N VAL 306.A O no hydrogen 2.945 N/A ASP 280.A N LEU 85.A O no hydrogen 2.930 N/A VAL 282.A N ALA 308.A O no hydrogen 2.997 N/A ASN 283.A ND2 GLU 281.A OE1 no hydrogen 3.412 N/A ASN 283.A ND2 ASN 310.A OD1 no hydrogen 3.680 N/A MET 284.A N GLU 281.A O no hydrogen 3.286 N/A LEU 285.A N VAL 282.A O no hydrogen 3.147 N/A ILE 287.A N ASP 286.A OD1 no hydrogen 2.509 N/A PHE 290.A N ASP 286.A O no hydrogen 3.290 N/A THR 291.A N ILE 287.A O no hydrogen 2.900 N/A THR 291.A OG1 ILE 287.A O no hydrogen 2.764 N/A TYR 292.A N GLU 288.A O no hydrogen 2.906 N/A LEU 293.A N ILE 289.A O no hydrogen 2.847 N/A ASN 294.A N PHE 290.A O no hydrogen 2.956 N/A ASN 294.A ND2 THR 291.A O no hydrogen 3.681 N/A ALA 296.A N TYR 292.A O no hydrogen 2.798 N/A LEU 297.A N LEU 293.A O no hydrogen 3.121 N/A GLU 298.A N LYS 295.A O no hydrogen 3.130 N/A SER 299.A N ALA 296.A O no hydrogen 3.249 N/A VAL 304.A N GLY 275.A O no hydrogen 3.202 N/A VAL 306.A N LEU 277.A O no hydrogen 2.781 N/A LEU 307.A N ILE 55.A O no hydrogen 2.955 N/A ALA 308.A N ILE 279.A O no hydrogen 3.303 N/A SER 309.A N LEU 57.A O no hydrogen 3.472 N/A MET 313.A N PRO 325.A O no hydrogen 3.036 N/A THR 314.A OG1 GLY 312.A O no hydrogen 3.459 N/A THR 315.A OG1 VAL 322.A O no hydrogen 3.294 N/A VAL 316.A N VAL 322.A O no hydrogen 3.135 N/A ARG 317.A NE MET 284.A O no hydrogen 3.361 N/A THR 319.A OG1 VAL 316.A O no hydrogen 2.847 N/A SER 324.A N THR 314.A O no hydrogen 3.327 N/A LEU 332.A N PRO 329.A O no hydrogen 3.130 N/A ILE 333.A N PRO 329.A O no hydrogen 3.167 N/A ASP 334.A N PRO 330.A O no hydrogen 3.212 N/A ARG 335.A N LEU 332.A O no hydrogen 2.893 N/A ARG 335.A NH1 ASP 331.A O no hydrogen 2.872 N/A LEU 336.A N ILE 333.A O no hydrogen 2.967 N/A LEU 337.A N ALA 54.A O no hydrogen 3.212 N/A VAL 339.A N LEU 56.A O no hydrogen 2.683 N/A THR 341.A N ALA 58.A O no hydrogen 2.857 N/A LEU 342.A N GLN 31.A OE1 no hydrogen 2.703 N/A TYR 344.A OH THR 63.A O no hydrogen 3.042 N/A GLU 348.A N ASP 345.A OD1 no hydrogen 3.271 N/A ILE 349.A N ASP 345.A O no hydrogen 3.178 N/A ARG 350.A N LYS 346.A O no hydrogen 2.905 N/A ARG 350.A NE ASP 370.A OD1 no hydrogen 2.588 N/A ARG 350.A NH2 ASP 370.A OD1 no hydrogen 2.824 N/A THR 351.A N ASP 347.A O no hydrogen 2.959 N/A THR 351.A OG1 ASP 347.A O no hydrogen 3.476 N/A THR 351.A OG1 GLU 348.A O no hydrogen 2.688 N/A ILE 352.A N GLU 348.A O no hydrogen 2.900 N/A ILE 353.A N ILE 349.A O no hydrogen 2.924 N/A GLU 354.A N ARG 350.A O no hydrogen 2.933 N/A ARG 355.A N THR 351.A O no hydrogen 2.936 N/A ARG 356.A N ILE 352.A O no hydrogen 2.908 N/A ARG 356.A NH1 ALA 5.A O no hydrogen 2.833 N/A ARG 356.A NH1 HIS 9.A ND1 no hydrogen 3.301 N/A ARG 356.A NH2 ALA 5.A O no hydrogen 3.300 N/A ARG 356.A NH2 GLU 360.A OE2 no hydrogen 3.005 N/A ALA 357.A N ILE 353.A O no hydrogen 2.915 N/A THR 358.A N GLU 354.A O no hydrogen 2.923 N/A THR 358.A OG1 GLU 354.A O no hydrogen 2.860 N/A VAL 359.A N ARG 355.A O no hydrogen 2.910 N/A GLU 360.A N ARG 356.A O no hydrogen 3.166 N/A ARG 361.A N THR 358.A O no hydrogen 3.470 N/A LEU 362.A N ALA 357.A O no hydrogen 3.057 N/A GLU 365.A N ILE 403.A O no hydrogen 3.177 N/A SER 367.A OG GLU 365.A OE2 no hydrogen 3.541 N/A LEU 369.A N GLU 365.A O no hydrogen 2.699 N/A ASP 370.A N SER 366.A O no hydrogen 2.877 N/A LEU 371.A N SER 367.A O no hydrogen 2.934 N/A LEU 372.A N ALA 368.A O no hydrogen 2.890 N/A ALA 373.A N LEU 369.A O no hydrogen 2.872 N/A THR 374.A N ASP 370.A O no hydrogen 2.898 N/A MET 375.A N LEU 371.A O no hydrogen 2.930 N/A GLY 376.A N LEU 372.A O no hydrogen 2.901 N/A THR 377.A N ALA 373.A O no hydrogen 2.896 N/A THR 377.A OG1 ALA 373.A O no hydrogen 3.079 N/A GLU 378.A N THR 374.A O no hydrogen 2.917 N/A THR 379.A N MET 375.A O no hydrogen 2.882 N/A THR 379.A OG1 MET 375.A O no hydrogen 2.903 N/A TYR 383.A OH PHE 415.A O no hydrogen 2.936 N/A ALA 384.A N SER 380.A O no hydrogen 3.212 N/A LEU 385.A N LEU 381.A O no hydrogen 2.925 N/A GLN 386.A N ARG 382.A O no hydrogen 2.876 N/A LEU 387.A N TYR 383.A O no hydrogen 3.162 N/A LEU 388.A N LEU 385.A O no hydrogen 3.459 N/A CYS 391.A N LEU 387.A O no hydrogen 3.182 N/A CYS 391.A SG LEU 387.A O no hydrogen 3.139 N/A GLY 392.A N LEU 388.A O no hydrogen 2.909 N/A ILE 393.A N ALA 389.A O no hydrogen 2.931 N/A LEU 394.A N PRO 390.A O no hydrogen 2.893 N/A ALA 395.A N CYS 391.A O no hydrogen 2.909 N/A GLN 396.A N GLY 392.A O no hydrogen 2.966 N/A GLN 396.A NE2 GLN 396.A O no hydrogen 2.958 N/A THR 397.A N ILE 393.A O no hydrogen 3.038 N/A THR 397.A OG1 ILE 393.A O no hydrogen 3.247 N/A THR 397.A OG1 LEU 394.A O no hydrogen 2.417 N/A SER 398.A N ALA 395.A O no hydrogen 3.127 N/A SER 398.A OG SER 398.A O no hydrogen 2.471 N/A ASN 399.A N GLN 396.A O no hydrogen 3.042 N/A ARG 400.A N ALA 395.A O no hydrogen 3.022 N/A ARG 400.A NE ASP 407.A OD2 no hydrogen 3.340 N/A ARG 400.A NH2 ASP 407.A OD1 no hydrogen 3.374 N/A ARG 400.A NH2 ASP 407.A OD2 no hydrogen 3.336 N/A ILE 403.A N GLN 363.A O no hydrogen 2.568 N/A VAL 408.A N VAL 404.A O no hydrogen 3.300 N/A ASN 409.A N VAL 405.A O no hydrogen 2.913 N/A GLU 410.A N ASN 406.A O no hydrogen 2.915 N/A ALA 411.A N ASP 407.A O no hydrogen 2.918 N/A LYS 412.A N VAL 408.A O no hydrogen 2.892 N/A LEU 413.A N ASN 409.A O no hydrogen 2.922 N/A LEU 414.A N GLU 410.A O no hydrogen 2.935 N/A PHE 415.A N ALA 411.A O no hydrogen 2.953 N/A ARG 420.A NH2 LYS 412.A O no hydrogen 2.775 N/A SER 421.A N ASP 417.A O no hydrogen 3.015 N/A SER 421.A OG ASP 417.A O no hydrogen 2.962 N/A THR 422.A N ALA 418.A O no hydrogen 2.920 N/A THR 422.A OG1 ALA 418.A O no hydrogen 2.580 N/A LYS 423.A N LYS 419.A O no hydrogen 2.893 N/A ILE 424.A N ARG 420.A O no hydrogen 2.909 N/A LEU 425.A N SER 421.A O no hydrogen 2.913 N/A GLU 426.A N THR 422.A O no hydrogen 2.929 N/A