Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 4nyk_A.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): MET 11.A N ALA 7.A O no hydrogen 3.299 N/A GLY 12.A N LEU 8.A O no hydrogen 3.042 N/A SER 13.A N CYS 9.A O no hydrogen 2.546 N/A SER 13.A OG PHE 400.A O no hydrogen 2.810 N/A LEU 14.A N PHE 10.A O no hydrogen 2.503 N/A ALA 15.A N MET 11.A O no hydrogen 2.646 N/A LEU 16.A N GLY 12.A O no hydrogen 3.096 N/A ALA 18.A N LEU 14.A O no hydrogen 3.432 N/A VAL 20.A N LEU 16.A O no hydrogen 3.120 N/A CYS 21.A N LEU 17.A O no hydrogen 2.692 N/A THR 22.A N ALA 18.A O no hydrogen 2.930 N/A ASN 23.A N VAL 20.A O no hydrogen 3.124 N/A ARG 24.A N VAL 20.A O no hydrogen 3.395 N/A ARG 24.A NE ASN 23.A OD1 no hydrogen 3.152 N/A ARG 24.A NH1 ASN 23.A OD1 no hydrogen 3.353 N/A GLN 26.A N THR 22.A O no hydrogen 3.355 N/A TYR 27.A N ASN 23.A O no hydrogen 2.989 N/A TYR 28.A N ARG 24.A O no hydrogen 3.262 N/A PHE 29.A N ILE 25.A O no hydrogen 3.399 N/A PHE 29.A N GLN 26.A O no hydrogen 3.023 N/A LEU 30.A N TYR 27.A O no hydrogen 3.299 N/A TYR 31.A N TYR 28.A O no hydrogen 2.968 N/A VAL 34.A N LYS 381.A O no hydrogen 2.746 N/A LYS 36.A N GLU 379.A O no hydrogen 2.819 N/A LYS 36.A NZ ASP 38.A OD2 no hydrogen 3.162 N/A ASP 38.A N THR 377.A O no hydrogen 3.021 N/A VAL 40.A N TYR 375.A O no hydrogen 2.832 N/A ALA 42.A N ASN 374.A OD1 no hydrogen 2.755 N/A LEU 45.A N THR 169.A O no hydrogen 3.061 N/A PHE 47.A N LEU 167.A O no hydrogen 2.917 N/A ALA 49.A N HIS 210.A O no hydrogen 2.845 N/A VAL 50.A N PHE 157.A O no hydrogen 2.876 N/A THR 51.A N GLN 208.A O no hydrogen 3.140 N/A THR 51.A OG1 THR 156.A OG1 no hydrogen 3.138 N/A THR 51.A OG1 HIS 210.A NE2 no hydrogen 2.575 N/A PHE 52.A N TYR 155.A O no hydrogen 2.937 N/A CYS 53.A N LYS 206.A O no hydrogen 2.977 N/A CYS 53.A SG THR 149.A OG1 no hydrogen 3.543 N/A ASN 54.A ND2 ILE 184.A O no hydrogen 2.697 N/A LEU 55.A N GLY 204.A O no hydrogen 3.250 N/A ASN 56.A N ASN 54.A OD1 no hydrogen 3.141 N/A ASN 56.A ND2 PHE 58.A O no hydrogen 2.341 N/A ASN 56.A ND2 HIS 123.A NE2 no hydrogen 2.851 N/A ASN 56.A ND2 GLU 188.A O no hydrogen 3.540 N/A ARG 59.A N ALA 121.A O no hydrogen 2.877 N/A ARG 59.A NE ALA 121.A O no hydrogen 3.253 N/A ARG 59.A NH1 GLU 127.A OE1 no hydrogen 2.908 N/A ARG 59.A NH2 ARG 120.A O no hydrogen 3.135 N/A PHE 60.A N GLU 188.A O no hydrogen 2.906 N/A SER 61.A N GLU 188.A OE1 no hydrogen 3.066 N/A SER 61.A OG GLU 188.A OE1 no hydrogen 2.749 N/A SER 61.A OG GLU 188.A OE2 no hydrogen 2.896 N/A ARG 62.A N ARG 59.A O no hydrogen 2.753 N/A ARG 62.A NE SER 61.A OG no hydrogen 3.273 N/A THR 64.A N ASP 67.A OD2 no hydrogen 3.073 N/A THR 64.A OG1 ASP 67.A OD2 no hydrogen 2.890 N/A LYS 65.A NZ ASP 100.A O no hydrogen 3.299 N/A LYS 65.A NZ ASN 103.A O no hydrogen 2.307 N/A ASN 66.A ND2 LYS 110.A O no hydrogen 3.343 N/A ASN 66.A ND2 PRO 111.A O no hydrogen 3.454 N/A ASP 67.A N THR 64.A OG1 no hydrogen 3.075 N/A LEU 68.A N THR 64.A O no hydrogen 2.724 N/A TYR 69.A N LYS 65.A O no hydrogen 2.996 N/A HIS 70.A N ASN 66.A O no hydrogen 2.985 N/A HIS 70.A NE2 LYS 110.A O no hydrogen 2.603 N/A ALA 71.A N ASP 67.A O no hydrogen 2.926 N/A GLY 72.A N LEU 68.A O no hydrogen 2.817 N/A LEU 75.A N ALA 71.A O no hydrogen 3.187 N/A ALA 76.A N GLU 73.A O no hydrogen 2.826 N/A LEU 77.A N GLY 72.A O no hydrogen 2.694 N/A LEU 78.A N GLY 72.A O no hydrogen 3.013 N/A ASN 79.A N GLU 83.A O no hydrogen 2.798 N/A ARG 81.A N ASN 79.A OD1 no hydrogen 3.051 N/A GLU 83.A N ASN 79.A OD1 no hydrogen 2.976 N/A GLN 88.A N GLN 88.A OE1 no hydrogen 2.878 N/A THR 89.A OG1 THR 89.A O no hydrogen 2.265 N/A LYS 93.A N ASP 91.A OD1 no hydrogen 3.065 N/A GLN 94.A N ASP 91.A OD1 no hydrogen 2.578 N/A LEU 95.A N ASP 91.A O no hydrogen 2.558 N/A LEU 98.A N GLN 94.A O no hydrogen 3.061 N/A GLN 99.A N LEU 95.A O no hydrogen 3.205 N/A ASP 100.A N ILE 97.A O no hydrogen 3.089 N/A LYS 101.A N ILE 97.A O no hydrogen 3.218 N/A LYS 101.A NZ VAL 63.A O no hydrogen 2.105 N/A ARG 105.A N ASN 103.A OD1 no hydrogen 3.185 N/A PHE 107.A N PHE 104.A O no hydrogen 3.092 N/A LYS 110.A N ASN 66.A OD1 no hydrogen 2.914 N/A LYS 110.A NZ LYS 108.A O no hydrogen 2.872 N/A GLU 116.A N ASN 113.A OD1 no hydrogen 3.239 N/A PHE 117.A N ASN 113.A O no hydrogen 3.126 N/A TYR 118.A N MET 114.A O no hydrogen 2.716 N/A TYR 118.A OH GLU 57.A OE1 no hydrogen 2.767 N/A ASP 119.A N LEU 115.A O no hydrogen 2.813 N/A ARG 120.A N GLU 116.A O no hydrogen 2.804 N/A ARG 120.A NE GLU 116.A OE2 no hydrogen 2.308 N/A ARG 120.A NH1 ASP 67.A OD2 no hydrogen 2.433 N/A ARG 120.A NH2 ASP 67.A OD1 no hydrogen 2.622 N/A ARG 120.A NH2 ASP 67.A OD2 no hydrogen 3.054 N/A ARG 120.A NH2 GLU 116.A OE1 no hydrogen 3.122 N/A ALA 121.A N PHE 117.A O no hydrogen 2.731 N/A GLY 122.A N TYR 118.A O no hydrogen 2.698 N/A HIS 123.A ND1 GLN 185.A OE1 no hydrogen 3.067 N/A ILE 125.A N TYR 155.A OH no hydrogen 3.112 N/A ARG 126.A N ASP 124.A OD1 no hydrogen 3.261 N/A GLU 127.A N ASP 124.A O no hydrogen 3.102 N/A MET 128.A N ASP 124.A O no hydrogen 2.980 N/A LEU 129.A N ILE 125.A O no hydrogen 2.919 N/A LEU 130.A N MET 181.A O no hydrogen 2.971 N/A PHE 133.A N GLU 179.A O no hydrogen 2.839 N/A PHE 134.A N GLU 137.A O no hydrogen 2.627 N/A ARG 135.A N GLY 177.A O no hydrogen 3.124 N/A ARG 135.A NH1 ILE 168.A O no hydrogen 3.058 N/A GLU 137.A N PHE 134.A O no hydrogen 2.851 N/A CYS 139.A N CYS 132.A O no hydrogen 2.952 N/A SER 140.A N ASP 143.A OD1 no hydrogen 2.905 N/A SER 140.A OG ASP 143.A OD1 no hydrogen 3.149 N/A ASP 143.A N SER 140.A O no hydrogen 2.888 N/A PHE 144.A N PRO 141.A O no hydrogen 2.911 N/A LYS 145.A N THR 156.A O no hydrogen 2.821 N/A LYS 145.A NZ GLN 161.A OE1 no hydrogen 3.214 N/A VAL 147.A N CYS 154.A O no hydrogen 2.747 N/A THR 149.A N GLY 152.A O no hydrogen 3.028 N/A ARG 150.A NH1 ASP 309.A OD1 no hydrogen 3.109 N/A ARG 150.A NH2 ASP 305.A OD1 no hydrogen 3.048 N/A ARG 150.A NH2 ASP 309.A OD1 no hydrogen 2.574 N/A TYR 151.A N THR 149.A OG1 no hydrogen 3.011 N/A GLY 152.A N THR 149.A O no hydrogen 2.988 N/A LYS 153.A NZ ASP 119.A O no hydrogen 3.241 N/A LYS 153.A NZ ASP 119.A OD1 no hydrogen 3.469 N/A CYS 154.A N VAL 147.A O no hydrogen 2.755 N/A CYS 154.A SG THR 149.A OG1 no hydrogen 3.218 N/A CYS 154.A SG GLY 152.A O no hydrogen 3.710 N/A TYR 155.A N PHE 52.A O no hydrogen 3.157 N/A TYR 155.A OH HIS 123.A O no hydrogen 2.569 N/A THR 156.A N LYS 145.A O no hydrogen 2.699 N/A THR 156.A OG1 THR 51.A OG1 no hydrogen 3.138 N/A PHE 157.A N VAL 50.A O no hydrogen 2.778 N/A ASN 158.A ND2 PRO 48.A O no hydrogen 3.088 N/A LYS 164.A N GLN 161.A O no hydrogen 3.191 N/A THR 169.A N LEU 45.A O no hydrogen 2.776 N/A GLY 173.A N PHE 370.A O no hydrogen 2.904 N/A ASN 176.A N GLY 173.A O no hydrogen 3.347 N/A LEU 178.A N ILE 368.A O no hydrogen 2.893 N/A GLU 179.A N PHE 133.A O no hydrogen 2.829 N/A ILE 180.A N LEU 366.A O no hydrogen 2.971 N/A MET 181.A N SER 131.A O no hydrogen 2.841 N/A LEU 182.A N LEU 364.A O no hydrogen 2.770 N/A ASP 183.A N MET 128.A O no hydrogen 2.973 N/A ILE 184.A N ASN 362.A O no hydrogen 3.170 N/A GLN 185.A N ASP 183.A OD1 no hydrogen 2.898 N/A GLN 185.A NE2 GLU 127.A OE1 no hydrogen 3.328 N/A GLN 186.A N ASN 362.A OD1 no hydrogen 2.480 N/A GLN 186.A NE2 GLU 361.A O no hydrogen 2.734 N/A GLU 188.A N GLN 185.A O no hydrogen 2.806 N/A TYR 189.A N GLN 186.A O no hydrogen 3.326 N/A TYR 189.A OH ASN 54.A OD1 no hydrogen 2.694 N/A LEU 190.A N ASN 56.A OD1 no hydrogen 3.026 N/A THR 196.A N THR 199.A OG1 no hydrogen 3.237 N/A THR 196.A OG1 LEU 74.A O no hydrogen 3.255 N/A THR 196.A OG1 THR 199.A OG1 no hydrogen 3.316 N/A THR 199.A OG1 GLY 194.A O no hydrogen 3.207 N/A THR 199.A OG1 THR 196.A OG1 no hydrogen 3.316 N/A SER 200.A OG LEU 55.A O no hydrogen 3.438 N/A SER 200.A OG GLU 202.A O no hydrogen 3.250 N/A GLY 204.A N TYR 189.A OH no hydrogen 3.259 N/A ILE 205.A N VAL 225.A O no hydrogen 3.372 N/A LYS 206.A N CYS 53.A O no hydrogen 2.844 N/A LYS 206.A NZ ILE 218.A O no hydrogen 3.174 N/A VAL 207.A N PHE 223.A O no hydrogen 2.683 N/A GLN 208.A N THR 51.A O no hydrogen 2.997 N/A HIS 210.A N ALA 49.A O no hydrogen 3.176 N/A HIS 210.A ND1 SER 211.A O no hydrogen 2.786 N/A HIS 210.A NE2 THR 51.A OG1 no hydrogen 2.575 N/A GLN 212.A N GLN 212.A OE1 no hydrogen 2.719 N/A GLN 212.A NE2 PHE 47.A O no hydrogen 2.667 N/A GLN 212.A NE2 ASN 158.A O no hydrogen 3.627 N/A GLU 214.A N SER 211.A O no hydrogen 3.133 N/A LEU 217.A N GLN 208.A OE1 no hydrogen 2.984 N/A GLN 220.A N LEU 217.A O no hydrogen 2.921 N/A GLN 220.A NE2 ASP 219.A OD2 no hydrogen 2.953 N/A LEU 221.A N LEU 217.A O no hydrogen 2.902 N/A GLY 222.A N ILE 218.A O no hydrogen 3.254 N/A PHE 223.A N VAL 207.A O no hydrogen 2.667 N/A VAL 225.A N ILE 205.A O no hydrogen 3.123 N/A GLY 228.A N ILE 363.A O no hydrogen 2.488 N/A GLN 230.A N VAL 337.A O no hydrogen 2.650 N/A GLN 230.A NE2 ASP 367.A OD1 no hydrogen 2.707 N/A THR 231.A N VAL 365.A O no hydrogen 2.917 N/A PHE 232.A N SER 335.A O no hydrogen 2.754 N/A VAL 233.A N ASP 367.A O no hydrogen 2.730 N/A SER 234.A N GLU 333.A O no hydrogen 2.971 N/A CYS 235.A N PHE 369.A O no hydrogen 2.654 N/A CYS 235.A SG VAL 233.A O no hydrogen 3.833 N/A GLN 236.A N GLY 331.A O no hydrogen 3.232 N/A GLN 236.A NE2 GLU 39.A OE2 no hydrogen 3.270 N/A GLN 236.A NE2 LEU 373.A O no hydrogen 2.461 N/A GLU 237.A N ASN 374.A O no hydrogen 2.723 N/A GLN 238.A N ARG 329.A O no hydrogen 2.842 N/A GLN 238.A NE2 GLN 236.A OE1 no hydrogen 3.583 N/A ARG 239.A N GLU 376.A O no hydrogen 2.713 N/A ARG 239.A NE TYR 375.A OH no hydrogen 3.555 N/A LEU 240.A N VAL 327.A O no hydrogen 2.749 N/A ILE 241.A N ILE 378.A O no hydrogen 3.126 N/A TYR 242.A N CYS 325.A O no hydrogen 2.891 N/A TRP 247.A N PRO 244.A O no hydrogen 3.086 N/A GLY 248.A N PRO 244.A O no hydrogen 3.208 N/A LYS 251.A N MET 323.A O no hydrogen 2.648 N/A LYS 251.A NZ SER 257.A OG no hydrogen 2.428 N/A SER 257.A N GLY 255.A O no hydrogen 2.585 N/A TYR 263.A N THR 253.A O no hydrogen 2.826 N/A TYR 263.A OH GLU 322.A O no hydrogen 2.838 N/A ALA 267.A N SER 264.A OG no hydrogen 3.337 N/A CYS 268.A N SER 264.A O no hydrogen 2.979 N/A ARG 269.A N ILE 265.A O no hydrogen 3.004 N/A ILE 270.A N THR 266.A O no hydrogen 3.105 N/A ASP 271.A N ALA 267.A O no hydrogen 2.893 N/A CYS 272.A N CYS 268.A O no hydrogen 3.219 N/A GLU 273.A N ARG 269.A O no hydrogen 2.860 N/A THR 274.A N ILE 270.A O no hydrogen 3.043 N/A THR 274.A N ASP 271.A O no hydrogen 3.087 N/A THR 274.A OG1 ILE 270.A O no hydrogen 2.733 N/A ARG 275.A N ASP 271.A O no hydrogen 3.117 N/A TYR 276.A N CYS 272.A O no hydrogen 2.808 N/A LEU 277.A N GLU 273.A O no hydrogen 3.005 N/A VAL 278.A N THR 274.A O no hydrogen 2.819 N/A GLU 279.A N ARG 275.A O no hydrogen 2.787 N/A ASN 280.A N TYR 276.A O no hydrogen 2.881 N/A CYS 281.A N LEU 277.A O no hydrogen 2.748 N/A ASN 282.A N VAL 278.A O no hydrogen 2.952 N/A ARG 284.A N PRO 293.A O no hydrogen 2.866 N/A ARG 284.A NE ALA 292.A O no hydrogen 3.041 N/A ARG 284.A NH1 MET 288.A O no hydrogen 2.861 N/A VAL 286.A N TYR 300.A OH no hydrogen 2.913 N/A MET 288.A N MET 285.A O no hydrogen 3.116 N/A CYS 295.A N ARG 284.A O no hydrogen 2.861 N/A THR 296.A N GLN 299.A OE1 no hydrogen 2.949 N/A THR 296.A OG1 GLN 299.A OE1 no hydrogen 3.335 N/A GLN 299.A N THR 296.A OG1 no hydrogen 3.216 N/A TYR 300.A N THR 296.A O no hydrogen 2.811 N/A LYS 301.A N PRO 297.A O no hydrogen 2.917 N/A GLU 302.A N GLU 298.A O no hydrogen 2.928 N/A CYS 303.A N GLN 299.A O no hydrogen 2.805 N/A CYS 303.A SG ASN 280.A O no hydrogen 3.568 N/A ALA 304.A N GLN 299.A O no hydrogen 2.652 N/A ASP 305.A N TYR 300.A O no hydrogen 2.930 N/A ALA 307.A N CYS 303.A O no hydrogen 3.138 N/A LEU 308.A N ALA 304.A O no hydrogen 3.154 N/A ASP 309.A N ASP 305.A O no hydrogen 2.800 N/A PHE 310.A N PRO 306.A O no hydrogen 2.898 N/A LEU 311.A N ALA 307.A O no hydrogen 3.272 N/A VAL 312.A N LEU 308.A O no hydrogen 2.934 N/A GLU 313.A N PHE 310.A O no hydrogen 3.436 N/A LYS 314.A N PHE 310.A O no hydrogen 2.921 N/A ASP 315.A N PHE 310.A O no hydrogen 2.855 N/A GLU 317.A N ASP 315.A OD1 no hydrogen 3.265 N/A TYR 318.A N ASP 315.A OD1 no hydrogen 2.907 N/A CYS 319.A N ASP 315.A OD2 no hydrogen 2.982 N/A CYS 319.A SG ARG 269.A O no hydrogen 3.791 N/A CYS 321.A SG ILE 265.A O no hydrogen 4.019 N/A CYS 325.A SG LYS 251.A O no hydrogen 3.224 N/A VAL 327.A N LEU 240.A O no hydrogen 2.872 N/A ARG 329.A N GLN 238.A O no hydrogen 2.841 N/A ARG 329.A NH1 GLN 238.A OE1 no hydrogen 3.199 N/A GLY 331.A N GLN 236.A O no hydrogen 3.183 N/A LYS 332.A NZ TYR 330.A O no hydrogen 2.927 N/A GLU 333.A N SER 234.A O no hydrogen 2.917 N/A VAL 337.A N GLN 230.A O no hydrogen 2.905 N/A ILE 339.A N GLY 228.A O no hydrogen 3.170 N/A SER 341.A OG SER 344.A OG no hydrogen 2.920 N/A SER 344.A N SER 341.A O no hydrogen 3.188 N/A SER 344.A OG SER 341.A O no hydrogen 3.406 N/A SER 344.A OG SER 341.A OG no hydrogen 2.920 N/A ALA 345.A N SER 341.A O no hydrogen 3.005 N/A LEU 348.A N SER 344.A O no hydrogen 3.264 N/A ALA 349.A N ALA 345.A O no hydrogen 3.030 N/A LYS 350.A N LYS 346.A O no hydrogen 2.989 N/A LYS 351.A N TYR 347.A O no hydrogen 2.728 N/A TYR 352.A N LEU 348.A O no hydrogen 2.929 N/A TYR 352.A OH LEU 130.A O no hydrogen 3.190 N/A ASN 353.A N LYS 350.A O no hydrogen 3.281 N/A LYS 354.A N ALA 349.A O no hydrogen 2.793 N/A GLN 357.A N SER 355.A OG no hydrogen 2.999 N/A TYR 358.A OH ASP 183.A OD1 no hydrogen 3.040 N/A TYR 358.A OH ASP 183.A OD2 no hydrogen 2.827 N/A TYR 358.A OH ASP 187.A OD1 no hydrogen 3.365 N/A ILE 359.A N SER 355.A O no hydrogen 3.174 N/A GLY 360.A N GLU 356.A O no hydrogen 3.341 N/A GLU 361.A N GLN 357.A O no hydrogen 3.191 N/A GLU 361.A N TYR 358.A O no hydrogen 2.983 N/A ASN 362.A ND2 TYR 358.A O no hydrogen 2.885 N/A ILE 363.A N ILE 359.A O no hydrogen 3.205 N/A VAL 365.A N PHE 229.A O no hydrogen 3.166 N/A LEU 366.A N ILE 180.A O no hydrogen 2.802 N/A ASP 367.A N THR 231.A O no hydrogen 2.939 N/A ILE 368.A N LEU 178.A O no hydrogen 2.917 N/A PHE 369.A N VAL 233.A O no hydrogen 3.118 N/A GLU 371.A N CYS 235.A O no hydrogen 3.152 N/A TYR 375.A N VAL 40.A O no hydrogen 3.179 N/A GLU 376.A N GLU 237.A O no hydrogen 2.562 N/A THR 377.A N ASP 38.A O no hydrogen 3.002 N/A ILE 378.A N ARG 239.A O no hydrogen 2.759 N/A GLU 379.A N LYS 36.A O no hydrogen 3.038 N/A GLN 380.A N ILE 241.A O no hydrogen 3.042 N/A GLN 380.A NE2 HIS 33.A ND1 no hydrogen 2.916 N/A GLN 380.A NE2 THR 35.A OG1 no hydrogen 3.072 N/A LYS 381.A N VAL 34.A O no hydrogen 2.696 N/A LYS 381.A NZ GLU 379.A OE2 no hydrogen 3.080 N/A ALA 383.A N PRO 32.A O no hydrogen 3.048 N/A LEU 389.A N GLU 385.A O no hydrogen 3.214 N/A LEU 390.A N VAL 386.A O no hydrogen 3.030 N/A GLY 391.A N ALA 387.A O no hydrogen 2.929 N/A ASP 392.A N GLY 388.A O no hydrogen 3.153 N/A ASP 392.A N LEU 389.A O no hydrogen 2.929 N/A ILE 393.A N LEU 389.A O no hydrogen 2.717 N/A GLY 394.A N LEU 390.A O no hydrogen 2.674 N/A GLY 395.A N GLY 391.A O no hydrogen 3.030 N/A MET 397.A N ILE 393.A O no hydrogen 2.850 N/A GLY 398.A N GLY 394.A O no hydrogen 3.031 N/A LEU 399.A N GLN 396.A O no hydrogen 3.336 N/A ILE 401.A N MET 397.A O no hydrogen 3.354 N/A GLY 402.A N MET 397.A O no hydrogen 3.110 N/A VAL 408.A N SER 404.A O no hydrogen 2.981 N/A LEU 409.A N ILE 405.A O no hydrogen 2.758 N/A GLU 410.A N LEU 406.A O no hydrogen 2.748 N/A LEU 411.A N THR 407.A O no hydrogen 3.315 N/A PHE 412.A N VAL 408.A O no hydrogen 2.451 N/A ASP 413.A N GLU 410.A O no hydrogen 3.243 N/A TYR 414.A N GLU 410.A O no hydrogen 2.773 N/A