Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 1yxa_A.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): ASN 5.A N LEU 1.A O no hydrogen 2.857 N/A ASN 5.A ND2 PRO 29.A O no hydrogen 3.147 N/A THR 6.A N ALA 2.A O no hydrogen 2.838 N/A THR 6.A OG1 ALA 2.A O no hydrogen 2.526 N/A ASP 7.A N SER 3.A O no hydrogen 2.937 N/A PHE 8.A N ILE 4.A O no hydrogen 2.981 N/A ALA 9.A N ASN 5.A O no hydrogen 2.844 N/A PHE 10.A N THR 6.A O no hydrogen 3.074 N/A SER 11.A N ASP 7.A O no hydrogen 3.118 N/A SER 11.A OG ASP 7.A O no hydrogen 3.066 N/A LEU 12.A N PHE 8.A O no hydrogen 2.858 N/A TYR 13.A N ALA 9.A O no hydrogen 2.805 N/A TYR 13.A OH GLU 240.A OE2 no hydrogen 2.766 N/A LYS 14.A N PHE 10.A O no hydrogen 3.165 N/A LYS 14.A NZ LEU 243.A O no hydrogen 3.019 N/A GLU 15.A N SER 11.A O no hydrogen 3.268 N/A LEU 16.A N LEU 12.A O no hydrogen 2.860 N/A VAL 17.A N TYR 13.A O no hydrogen 2.909 N/A LEU 18.A N LYS 14.A O no hydrogen 3.050 N/A LYS 19.A N GLU 15.A O no hydrogen 3.188 N/A ASN 20.A N LEU 16.A O no hydrogen 2.883 N/A ASN 20.A ND2 LEU 16.A O no hydrogen 3.200 N/A THR 23.A OG1 ASN 20.A O no hydrogen 3.349 N/A THR 23.A OG1 PRO 21.A O no hydrogen 2.885 N/A ASN 24.A ND2 ASN 370.A O no hydrogen 2.766 N/A ILE 25.A N LYS 367.A O no hydrogen 2.971 N/A VAL 26.A N TYR 274.A OH no hydrogen 3.330 N/A PHE 27.A N ILE 365.A O no hydrogen 3.100 N/A SER 28.A N HIS 311.A NE2 no hydrogen 3.246 N/A SER 28.A OG PRO 363.A O no hydrogen 2.588 N/A SER 31.A N SER 28.A OG no hydrogen 3.023 N/A SER 31.A OG ASN 161.A OD1 no hydrogen 2.619 N/A ILE 32.A N SER 28.A O no hydrogen 3.108 N/A SER 33.A N PRO 29.A O no hydrogen 3.172 N/A SER 33.A OG PRO 29.A O no hydrogen 2.693 N/A ALA 34.A N LEU 30.A O no hydrogen 2.984 N/A ALA 35.A N SER 31.A O no hydrogen 2.987 N/A LEU 36.A N ILE 32.A O no hydrogen 3.024 N/A ALA 37.A N SER 33.A O no hydrogen 2.872 N/A LEU 38.A N ALA 34.A O no hydrogen 2.987 N/A VAL 39.A N ALA 35.A O no hydrogen 3.180 N/A SER 40.A N LEU 36.A O no hydrogen 2.941 N/A SER 40.A OG ALA 37.A O no hydrogen 2.725 N/A LEU 41.A N ALA 37.A O no hydrogen 3.155 N/A GLY 42.A N VAL 39.A O no hydrogen 2.914 N/A ALA 43.A N SER 40.A O no hydrogen 3.173 N/A LYS 44.A N ASP 294.A O no hydrogen 3.171 N/A LYS 44.A NZ SER 296.A OG no hydrogen 3.427 N/A THR 47.A N LYS 44.A O no hydrogen 3.222 N/A THR 47.A OG1 GLU 287.A OE2 no hydrogen 2.665 N/A LEU 48.A N LYS 44.A O no hydrogen 3.252 N/A GLU 49.A N GLY 45.A O no hydrogen 3.040 N/A GLU 50.A N ASN 46.A O no hydrogen 3.097 N/A ILE 51.A N THR 47.A O no hydrogen 3.342 N/A LEU 52.A N LEU 48.A O no hydrogen 3.221 N/A GLU 53.A N GLU 49.A O no hydrogen 3.124 N/A GLY 54.A N GLU 50.A O no hydrogen 2.918 N/A LEU 55.A N ILE 51.A O no hydrogen 2.989 N/A LYS 56.A N GLU 53.A O no hydrogen 2.919 N/A LYS 56.A NZ SER 11.A OG no hydrogen 3.323 N/A PHE 57.A N LEU 52.A O no hydrogen 3.168 N/A THR 60.A N ASN 58.A OD1 no hydrogen 2.816 N/A THR 60.A OG1 ASN 58.A OD1 no hydrogen 2.706 N/A GLU 61.A N ASN 58.A O no hydrogen 3.065 N/A THR 62.A N ASN 58.A O no hydrogen 2.887 N/A THR 62.A OG1 ASN 58.A O no hydrogen 3.370 N/A ASP 66.A N SER 63.A OG no hydrogen 3.412 N/A ILE 67.A N SER 63.A O no hydrogen 3.098 N/A HIS 68.A N GLU 64.A O no hydrogen 3.339 N/A HIS 68.A ND1 TYR 113.A OH no hydrogen 2.607 N/A GLN 69.A N ALA 65.A O no hydrogen 3.096 N/A GLY 70.A N ILE 67.A O no hydrogen 3.244 N/A PHE 71.A N ILE 67.A O no hydrogen 3.203 N/A GLY 72.A N HIS 68.A O no hydrogen 2.911 N/A HIS 73.A N GLN 69.A O no hydrogen 2.929 N/A LEU 74.A N GLY 70.A O no hydrogen 3.327 N/A LEU 75.A N PHE 71.A O no hydrogen 2.947 N/A GLN 76.A N GLY 72.A O no hydrogen 3.119 N/A ARG 77.A N HIS 73.A O no hydrogen 3.220 N/A ARG 77.A N LEU 74.A O no hydrogen 3.098 N/A ARG 77.A NH1 ASP 356.A OD1 no hydrogen 2.752 N/A ARG 77.A NH2 ASP 356.A OD2 no hydrogen 3.147 N/A LEU 78.A N LEU 74.A O no hydrogen 3.039 N/A LYS 82.A N VAL 85.A O no hydrogen 3.463 N/A VAL 85.A N LYS 82.A O no hydrogen 3.153 N/A GLN 86.A N LYS 166.A O no hydrogen 2.760 N/A SER 88.A N TYR 164.A O no hydrogen 2.739 N/A THR 89.A N ASN 79.A OD1 no hydrogen 2.692 N/A THR 89.A OG1 TYR 162.A O no hydrogen 2.921 N/A GLY 90.A N TYR 162.A O no hydrogen 3.285 N/A ALA 92.A N VAL 160.A O no hydrogen 3.043 N/A LEU 93.A N GLU 116.A O no hydrogen 3.062 N/A PHE 94.A N VAL 158.A O no hydrogen 3.007 N/A ILE 95.A N PHE 118.A O no hydrogen 2.813 N/A GLU 96.A N LEU 156.A O no hydrogen 2.901 N/A GLN 99.A N GLU 96.A O no hydrogen 3.048 N/A GLN 99.A NE2 GLU 96.A OE2 no hydrogen 2.818 N/A GLN 99.A NE2 ASP 303.A O no hydrogen 3.541 N/A LEU 102.A N ILE 298.A O no hydrogen 2.901 N/A GLN 106.A N LEU 102.A O no hydrogen 3.131 N/A GLU 107.A N THR 103.A O no hydrogen 2.840 N/A LYS 108.A N GLU 104.A O no hydrogen 3.174 N/A ALA 109.A N PHE 105.A O no hydrogen 2.761 N/A LYS 110.A N GLN 106.A O no hydrogen 3.041 N/A THR 111.A N GLU 107.A O no hydrogen 2.876 N/A THR 111.A OG1 GLU 107.A O no hydrogen 2.989 N/A LEU 112.A N LYS 108.A O no hydrogen 2.873 N/A TYR 113.A N ALA 109.A O no hydrogen 3.034 N/A TYR 113.A OH HIS 68.A ND1 no hydrogen 2.607 N/A GLN 114.A N LYS 110.A O no hydrogen 2.861 N/A GLN 114.A NE2 THR 111.A O no hydrogen 3.271 N/A ALA 115.A N ALA 109.A O no hydrogen 3.142 N/A PHE 118.A N LEU 93.A O no hydrogen 2.752 N/A ALA 120.A N ILE 95.A O no hydrogen 2.773 N/A GLN 124.A N ASP 121.A O no hydrogen 3.367 N/A GLN 124.A NE2 ASP 121.A OD2 no hydrogen 2.509 N/A GLN 127.A N GLN 124.A O no hydrogen 3.038 N/A ALA 128.A N GLN 124.A O no hydrogen 3.125 N/A LYS 129.A N PRO 125.A O no hydrogen 2.739 N/A LYS 130.A N ARG 126.A O no hydrogen 3.068 N/A LEU 131.A N GLN 127.A O no hydrogen 2.980 N/A ILE 132.A N ALA 128.A O no hydrogen 3.134 N/A ASN 133.A N LYS 129.A O no hydrogen 3.200 N/A ASN 133.A ND2 VAL 148.A O no hydrogen 3.086 N/A ASP 134.A N LYS 130.A O no hydrogen 2.906 N/A TYR 135.A N LEU 131.A O no hydrogen 3.169 N/A VAL 136.A N ILE 132.A O no hydrogen 3.080 N/A ARG 137.A N ASN 133.A O no hydrogen 2.858 N/A LYS 138.A N ASP 134.A O no hydrogen 3.031 N/A GLN 139.A N TYR 135.A O no hydrogen 2.931 N/A THR 140.A N VAL 136.A O no hydrogen 2.961 N/A THR 140.A OG1 VAL 136.A O no hydrogen 2.752 N/A THR 140.A OG1 ILE 144.A O no hydrogen 3.227 N/A GLN 141.A N LYS 138.A O no hydrogen 3.101 N/A GLY 142.A N ARG 137.A O no hydrogen 2.832 N/A MET 143.A N THR 140.A O no hydrogen 3.040 N/A ILE 144.A N THR 140.A OG1 no hydrogen 2.894 N/A VAL 148.A N ASN 133.A OD1 no hydrogen 2.765 N/A ARG 154.A N ASP 152.A OD1 no hydrogen 2.766 N/A ARG 154.A NH1 ASP 152.A OD1 no hydrogen 3.101 N/A THR 155.A N ASP 152.A O no hydrogen 3.242 N/A THR 155.A OG1 ASP 152.A O no hydrogen 2.784 N/A LEU 156.A N SER 307.A OG no hydrogen 3.003 N/A MET 157.A N SER 307.A OG no hydrogen 3.341 N/A VAL 158.A N PHE 94.A O no hydrogen 3.033 N/A LEU 159.A N GLN 308.A O no hydrogen 2.899 N/A VAL 160.A N ALA 92.A O no hydrogen 2.879 N/A ASN 161.A N VAL 310.A O no hydrogen 2.880 N/A ASN 161.A ND2 SER 91.A OG no hydrogen 2.972 N/A TYR 162.A N GLY 90.A O no hydrogen 3.130 N/A ILE 163.A N LYS 312.A O no hydrogen 3.045 N/A TYR 164.A N SER 88.A O no hydrogen 2.846 N/A LYS 166.A N GLN 86.A O no hydrogen 2.890 N/A ALA 167.A N THR 322.A OG1 no hydrogen 3.109 N/A TRP 169.A N THR 320.A O no hydrogen 2.845 N/A TRP 169.A NE1 ALA 318.A O no hydrogen 2.867 N/A LYS 170.A N LYS 219.A O no hydrogen 2.826 N/A PHE 173.A N GLU 319.A O no hydrogen 2.889 N/A LEU 176.A N ASP 174.A OD1 no hydrogen 2.856 N/A ASP 177.A N ASP 174.A O no hydrogen 2.898 N/A THR 178.A N PRO 175.A O no hydrogen 3.201 N/A THR 178.A OG1 PRO 175.A O no hydrogen 3.531 N/A THR 178.A OG1 GLU 319.A OE2 no hydrogen 2.679 N/A PHE 179.A N MET 195.A O no hydrogen 2.839 N/A SER 181.A N VAL 193.A O no hydrogen 2.863 N/A PHE 183.A N VAL 191.A O no hydrogen 2.697 N/A TYR 184.A N ASN 347.A O no hydrogen 2.784 N/A CYS 185.A SG ALA 369.A O no hydrogen 3.207 N/A VAL 193.A N SER 181.A O no hydrogen 2.791 N/A MET 195.A N PHE 179.A O no hydrogen 2.610 N/A MET 196.A N LEU 265.A O no hydrogen 2.866 N/A SER 197.A OG ASP 177.A O no hydrogen 3.551 N/A MET 198.A N LEU 263.A O no hydrogen 3.018 N/A ASP 200.A N ASP 261.A O no hydrogen 3.059 N/A LEU 201.A N ILE 260.A O no hydrogen 2.919 N/A THR 203.A N ARG 258.A O no hydrogen 3.103 N/A THR 203.A OG1 GLU 217.A O no hydrogen 2.510 N/A TYR 205.A N LYS 256.A O no hydrogen 2.669 N/A PHE 206.A N VAL 215.A O no hydrogen 2.849 N/A ARG 207.A NE GLU 209.A OE2 no hydrogen 2.705 N/A ARG 207.A NH1 THR 214.A OG1 no hydrogen 3.234 N/A ARG 207.A NH1 ASP 232.A OD1 no hydrogen 2.643 N/A ARG 207.A NH2 GLU 209.A OE2 no hydrogen 3.116 N/A ARG 207.A NH2 ASP 232.A OD1 no hydrogen 3.374 N/A ARG 207.A NH2 ASP 232.A OD2 no hydrogen 2.490 N/A ASP 208.A N CYS 213.A O no hydrogen 2.846 N/A LEU 211.A N ASP 208.A OD1 no hydrogen 2.964 N/A CYS 213.A N ASP 208.A O no hydrogen 3.182 N/A CYS 213.A SG LEU 211.A O no hydrogen 4.026 N/A THR 214.A N LEU 230.A O no hydrogen 3.062 N/A VAL 215.A N PHE 206.A O no hydrogen 2.766 N/A VAL 216.A N PHE 228.A O no hydrogen 2.931 N/A GLU 217.A N PRO 204.A O no hydrogen 2.997 N/A LEU 218.A N ALA 226.A O no hydrogen 2.774 N/A TYR 220.A N ALA 224.A O no hydrogen 3.256 N/A THR 221.A N LYS 168.A O no hydrogen 2.720 N/A THR 221.A OG1 LYS 168.A O no hydrogen 3.551 N/A SER 225.A N PHE 355.A O no hydrogen 3.035 N/A SER 225.A OG GLU 217.A OE2 no hydrogen 3.271 N/A ALA 226.A N LEU 218.A O no hydrogen 2.819 N/A LEU 227.A N MET 353.A O no hydrogen 2.805 N/A PHE 228.A N VAL 216.A O no hydrogen 2.857 N/A ILE 229.A N LEU 351.A O no hydrogen 2.874 N/A LEU 230.A N THR 214.A O no hydrogen 2.816 N/A ASP 232.A N SER 212.A O no hydrogen 2.794 N/A ARG 235.A N ASP 232.A O no hydrogen 2.946 N/A ARG 235.A NH1 GLN 238.A OE1 no hydrogen 2.646 N/A VAL 239.A N ARG 235.A O no hydrogen 3.020 N/A GLU 240.A N MET 236.A O no hydrogen 2.842 N/A ALA 241.A N GLN 237.A O no hydrogen 2.981 N/A SER 242.A N GLN 238.A O no hydrogen 3.135 N/A SER 242.A N VAL 239.A O no hydrogen 3.094 N/A SER 242.A OG GLN 238.A O no hydrogen 3.534 N/A SER 242.A OG VAL 239.A O no hydrogen 2.606 N/A THR 247.A OG1 SER 242.A O no hydrogen 2.606 N/A LEU 248.A N GLN 244.A O no hydrogen 3.180 N/A ARG 249.A N PRO 245.A O no hydrogen 2.877 N/A LYS 250.A N GLU 246.A O no hydrogen 2.883 N/A LYS 250.A NZ ASP 208.A OD1 no hydrogen 3.510 N/A LYS 250.A NZ ASP 208.A OD2 no hydrogen 2.880 N/A LYS 250.A NZ GLU 210.A OE1 no hydrogen 3.461 N/A TRP 251.A N THR 247.A O no hydrogen 2.891 N/A TRP 251.A NE1 ASP 208.A OD2 no hydrogen 2.760 N/A LYS 252.A N LEU 248.A O no hydrogen 2.949 N/A ASN 253.A N ARG 249.A O no hydrogen 2.820 N/A SER 254.A N LYS 250.A O no hydrogen 2.917 N/A SER 254.A N TRP 251.A O no hydrogen 3.155 N/A SER 254.A OG LYS 250.A O no hydrogen 2.700 N/A LYS 256.A N TYR 205.A O no hydrogen 3.048 N/A LYS 256.A NZ SER 254.A O no hydrogen 2.732 N/A ARG 258.A N THR 203.A O no hydrogen 2.831 N/A ILE 260.A N LEU 201.A O no hydrogen 2.659 N/A ASP 261.A N LEU 342.A O no hydrogen 2.812 N/A GLU 262.A N LEU 342.A O no hydrogen 3.321 N/A LEU 263.A N MET 198.A O no hydrogen 2.893 N/A HIS 264.A N VAL 344.A O no hydrogen 3.001 N/A LEU 265.A N MET 196.A O no hydrogen 2.903 N/A LYS 267.A N PRO 194.A O no hydrogen 3.016 N/A LYS 267.A NZ GLU 319.A OE1 no hydrogen 3.406 N/A LYS 267.A NZ GLU 319.A OE2 no hydrogen 3.301 N/A PHE 268.A N VAL 317.A O no hydrogen 2.783 N/A SER 269.A OG ASP 316.A OD1 no hydrogen 2.441 N/A ILE 270.A N LEU 315.A O no hydrogen 2.847 N/A THR 272.A N ALA 313.A O no hydrogen 2.949 N/A THR 272.A OG1 VAL 26.A O no hydrogen 2.540 N/A TYR 274.A N HIS 311.A O no hydrogen 2.945 N/A SER 275.A OG GLU 277.A OE1.A no hydrogen 2.522 N/A SER 275.A OG GLU 277.A OE2.A no hydrogen 3.562 N/A LEU 276.A N VAL 309.A O no hydrogen 2.878 N/A LEU 280.A N LEU 276.A O no hydrogen 2.973 N/A SER 281.A N GLU 277.A O.A no hydrogen 2.915 N/A SER 281.A N GLU 277.A O.B no hydrogen 2.790 N/A SER 281.A OG GLU 277.A O.A no hydrogen 2.778 N/A SER 281.A OG GLU 277.A O.B no hydrogen 2.913 N/A LYS 282.A N ASP 278.A O no hydrogen 3.100 N/A LEU 283.A N VAL 279.A O no hydrogen 3.107 N/A LEU 283.A N LEU 280.A O no hydrogen 3.068 N/A GLY 284.A N SER 281.A O no hydrogen 2.871 N/A ILE 285.A N LEU 280.A O no hydrogen 2.986 N/A ARG 286.A N GLU 50.A OE1 no hydrogen 2.958 N/A GLU 287.A N GLU 50.A OE1 no hydrogen 2.744 N/A PHE 289.A N ARG 286.A O no hydrogen 2.980 N/A SER 290.A N GLU 287.A O no hydrogen 2.748 N/A SER 290.A OG GLU 287.A O no hydrogen 2.761 N/A GLN 292.A N SER 290.A OG no hydrogen 3.049 N/A ALA 293.A N SER 290.A O no hydrogen 3.194 N/A ASP 294.A N THR 47.A OG1 no hydrogen 2.788 N/A SER 296.A N ASP 294.A OD1 no hydrogen 3.125 N/A SER 296.A OG ASP 294.A OD1 no hydrogen 2.379 N/A ALA 297.A N GLY 42.A O no hydrogen 3.165 N/A ILE 298.A N LEU 295.A O no hydrogen 2.862 N/A THR 299.A OG1 THR 301.A O no hydrogen 3.259 N/A THR 299.A OG1 THR 301.A OG1 no hydrogen 2.991 N/A GLY 300.A N SER 296.A O no hydrogen 2.821 N/A THR 301.A N THR 299.A OG1 no hydrogen 3.234 N/A THR 301.A OG1 THR 299.A OG1 no hydrogen 2.991 N/A LYS 302.A NZ ASP 294.A OD2 no hydrogen 3.396 N/A ASP 303.A N THR 301.A OG1 no hydrogen 3.053 N/A ARG 305.A NE SER 290.A O no hydrogen 3.233 N/A VAL 306.A N VAL 288.A O no hydrogen 3.020 N/A SER 307.A N MET 157.A O no hydrogen 2.796 N/A GLN 308.A N MET 157.A O no hydrogen 3.300 N/A VAL 309.A N GLU 277.A OE1.A no hydrogen 3.237 N/A VAL 310.A N LEU 159.A O no hydrogen 2.748 N/A HIS 311.A N TYR 274.A O no hydrogen 2.944 N/A HIS 311.A ND1 ASN 161.A OD1 no hydrogen 2.766 N/A LYS 312.A N ASN 161.A O no hydrogen 2.951 N/A LYS 312.A NZ SER 271.A OG no hydrogen 3.215 N/A LYS 312.A NZ THR 272.A O no hydrogen 3.523 N/A LYS 312.A NZ ASP 273.A OD1 no hydrogen 2.868 N/A LYS 312.A NZ ASP 273.A OD2 no hydrogen 3.293 N/A ALA 313.A N THR 272.A O no hydrogen 3.357 N/A VAL 314.A N ILE 163.A O no hydrogen 3.047 N/A LEU 315.A N ILE 270.A O no hydrogen 2.837 N/A VAL 317.A N PHE 268.A O no hydrogen 2.661 N/A ALA 318.A N GLY 321.A O no hydrogen 3.142 N/A GLU 319.A N GLU 319.A OE1 no hydrogen 2.954 N/A THR 320.A N GLU 323.A O no hydrogen 3.061 N/A THR 322.A N ALA 167.A O no hydrogen 3.098 N/A THR 322.A OG1 ALA 167.A O no hydrogen 3.212 N/A ALA 325.A N GLU 319.A OE1 no hydrogen 3.300 N/A LYS 331.A NZ ASP 174.A OD2 no hydrogen 3.159 N/A LYS 331.A NZ ASP 177.A OD2 no hydrogen 3.116 N/A LYS 338.A NZ ASP 261.A OD1 no hydrogen 3.301 N/A LEU 342.A N ASP 261.A OD2 no hydrogen 2.657 N/A VAL 344.A N GLU 262.A O no hydrogen 2.962 N/A PHE 346.A N HIS 264.A O no hydrogen 2.819 N/A ARG 348.A NE PRO 231.A O no hydrogen 3.050 N/A PHE 350.A N ILE 368.A O no hydrogen 3.186 N/A LEU 351.A N ILE 229.A O no hydrogen 2.985 N/A ILE 352.A N ALA 366.A O no hydrogen 2.852 N/A MET 353.A N LEU 227.A O no hydrogen 2.840 N/A ILE 354.A N PHE 364.A O no hydrogen 3.031 N/A PHE 355.A N SER 225.A O no hydrogen 2.801 N/A ASP 356.A N ILE 361.A O no hydrogen 2.967 N/A THR 357.A N ASN 223.A O no hydrogen 3.194 N/A THR 359.A N ASP 356.A OD2 no hydrogen 2.989 N/A THR 359.A OG1 ASP 356.A OD2 no hydrogen 2.508 N/A GLU 360.A N ASP 356.A O no hydrogen 2.626 N/A ILE 361.A N THR 359.A OG1 no hydrogen 3.265 N/A ILE 365.A N PHE 27.A O no hydrogen 2.973 N/A ALA 366.A N ILE 352.A O no hydrogen 2.792 N/A LYS 367.A N ILE 25.A O no hydrogen 2.800 N/A LYS 367.A NZ GLU 240.A OE2 no hydrogen 2.552 N/A ILE 368.A N PHE 350.A O no hydrogen 2.797 N/A ALA 369.A N ASN 24.A OD1 no hydrogen 2.829 N/A ASN 370.A N ASN 24.A OD1 no hydrogen 2.954 N/A LYS 372.A N ASN 370.A OD1 no hydrogen 3.161 N/A LYS 372.A NZ ILE 192.A O no hydrogen 2.738 N/A