Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 3rf7_A.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): GLN 5.A N ASN 1.A O no hydrogen 3.276 N/A GLY 6.A N LEU 2.A O no hydrogen 3.225 N/A SER 7.A OG GLN 5.A O no hydrogen 2.480 N/A LYS 9.A NZ ALA 245.A O no hydrogen 2.745 N/A LYS 12.A NZ.A CYS 13.A O no hydrogen 2.827 N/A LYS 12.A NZ.B ASP 168.A O no hydrogen 2.810 N/A CYS 13.A SG VAL 14.A O no hydrogen 3.919 N/A ARG 20.A NH1 SER 178.A OG no hydrogen 2.965 N/A GLY 21.A N ASP 177.A OD1 no hydrogen 2.753 N/A SER 22.A N GLY 19.A O no hydrogen 3.016 N/A SER 22.A OG GLY 19.A O no hydrogen 2.721 N/A PHE 23.A N ASP 177.A OD2 no hydrogen 2.779 N/A VAL 24.A N GLY 21.A O no hydrogen 3.240 N/A GLN 25.A N SER 22.A O no hydrogen 2.918 N/A LEU 26.A N PHE 23.A O no hydrogen 2.976 N/A VAL 29.A N GLN 25.A O no hydrogen 3.049 N/A LEU 30.A N LEU 26.A O no hydrogen 2.846 N/A GLU 31.A N ASP 27.A O no hydrogen 2.901 N/A GLN 32.A N VAL 29.A O no hydrogen 3.298 N/A GLU 33.A N LEU 30.A O no hydrogen 2.920 N/A ARG 34.A N LEU 30.A O no hydrogen 3.171 N/A ARG 34.A NH1 ASP 64.A OD1 no hydrogen 2.942 N/A ARG 34.A NH1 ASP 64.A OD2 no hydrogen 3.439 N/A ARG 34.A NH2 ASP 64.A OD2 no hydrogen 2.891 N/A THR 35.A N ASP 39.A OD2 no hydrogen 2.993 N/A THR 35.A OG1 ASP 39.A OD2 no hydrogen 3.153 N/A ASP 36.A N ASP 39.A OD2 no hydrogen 2.848 N/A ASP 39.A N ASP 36.A O no hydrogen 3.458 N/A VAL 41.A N ASP 64.A OD1 no hydrogen 2.973 N/A VAL 42.A N SER 97.A O no hydrogen 3.033 N/A PHE 43.A N LEU 65.A O no hydrogen 2.820 N/A LEU 44.A N VAL 99.A O no hydrogen 2.704 N/A VAL 45.A N ILE 67.A O no hydrogen 2.945 N/A ASP 46.A N LEU 101.A O no hydrogen 2.998 N/A ASP 47.A N VAL 69.A O no hydrogen 2.896 N/A VAL 48.A N ASP 46.A OD1 no hydrogen 3.217 N/A HIS 49.A N ASP 46.A O no hydrogen 2.987 N/A HIS 49.A NE2 THR 142.A OG1 no hydrogen 3.014 N/A GLN 50.A N ASP 47.A O no hydrogen 3.014 N/A LYS 52.A N HIS 49.A O no hydrogen 2.936 N/A ALA 55.A N LYS 52.A O no hydrogen 3.201 N/A ALA 56.A N PRO 53.A O no hydrogen 3.139 N/A ARG 57.A N LEU 54.A O no hydrogen 3.024 N/A VAL 58.A N ALA 55.A O no hydrogen 3.243 N/A LYS 61.A N ASP 64.A OD2 no hydrogen 2.750 N/A LYS 61.A NZ ASP 27.A OD1 no hydrogen 2.789 N/A ASP 64.A N LYS 61.A O no hydrogen 3.163 N/A LEU 65.A N VAL 41.A O no hydrogen 2.985 N/A ILE 67.A N PHE 43.A O no hydrogen 2.928 N/A VAL 69.A N VAL 45.A O no hydrogen 2.903 N/A ASP 72.A N ASN 70.A OD1 no hydrogen 2.819 N/A THR 77.A N CYS 157.A O no hydrogen 2.989 N/A GLN 79.A N THR 76.A OG1 no hydrogen 2.928 N/A GLN 79.A NE2 ASN 70.A O no hydrogen 3.002 N/A VAL 80.A N THR 76.A O no hydrogen 3.035 N/A ASP 81.A N THR 77.A O no hydrogen 2.943 N/A GLU 82.A N.A VAL 78.A O no hydrogen 2.920 N/A GLU 82.A N.B VAL 78.A O no hydrogen 2.917 N/A LEU 83.A N GLN 79.A O no hydrogen 2.974 N/A THR 84.A N VAL 80.A O no hydrogen 2.917 N/A THR 84.A OG1 VAL 80.A O no hydrogen 2.804 N/A ALA 85.A N ASP 81.A O no hydrogen 3.004 N/A GLN 86.A N.A GLU 82.A O.A no hydrogen 2.976 N/A GLN 86.A N.A GLU 82.A O.B no hydrogen 2.854 N/A GLN 86.A N.B GLU 82.A O.A no hydrogen 2.985 N/A GLN 86.A N.B GLU 82.A O.B no hydrogen 2.862 N/A GLN 86.A NE2.A GLU 82.A OE1.B no hydrogen 1.856 N/A VAL 87.A N LEU 83.A O no hydrogen 3.036 N/A LYS 88.A N THR 84.A O no hydrogen 3.131 N/A ALA 89.A N ALA 85.A O no hydrogen 2.933 N/A PHE 90.A N GLN 86.A O.A no hydrogen 2.954 N/A PHE 90.A N GLN 86.A O.B no hydrogen 2.994 N/A ASN 91.A N VAL 87.A O no hydrogen 3.146 N/A LYS 93.A N ASN 91.A OD1 no hydrogen 3.001 N/A LYS 93.A NZ ASP 36.A OD2 no hydrogen 2.868 N/A LYS 93.A NZ ASN 38.A OD1.A no hydrogen 2.731 N/A LYS 93.A NZ ASP 39.A OD1 no hydrogen 2.907 N/A VAL 96.A N PHE 40.A O no hydrogen 2.901 N/A SER 97.A OG HIS 136.A ND1 no hydrogen 2.870 N/A SER 97.A OG HIS 136.A O no hydrogen 3.387 N/A VAL 98.A N HIS 136.A O no hydrogen 2.909 N/A VAL 99.A N VAL 42.A O no hydrogen 2.803 N/A GLY 100.A N ILE 138.A O no hydrogen 2.854 N/A LEU 101.A N LEU 44.A O no hydrogen 2.857 N/A GLY 102.A N ILE 140.A O no hydrogen 3.192 N/A LEU 108.A N SER 105.A O no hydrogen 3.025 N/A ALA 109.A N THR 106.A O no hydrogen 2.949 N/A LYS 110.A NZ ALA 148.A O no hydrogen 2.656 N/A LYS 110.A NZ SER 151.A O no hydrogen 3.116 N/A LYS 110.A NZ THR 153.A O no hydrogen 2.782 N/A ALA 111.A N ASP 107.A O no hydrogen 2.875 N/A VAL 112.A N LEU 108.A O no hydrogen 2.875 N/A SER 113.A N ALA 109.A O no hydrogen 2.974 N/A SER 113.A OG ALA 109.A O no hydrogen 3.373 N/A SER 113.A OG LYS 110.A O no hydrogen 2.773 N/A LEU 114.A N LYS 110.A O no hydrogen 3.086 N/A THR 116.A N LEU 114.A O no hydrogen 3.216 N/A THR 116.A OG1 LEU 114.A O no hydrogen 3.290 N/A THR 116.A OG1 PRO 133.A O no hydrogen 2.693 N/A ASN 117.A ND2 LEU 114.A O no hydrogen 2.807 N/A ASN 117.A ND2 ASN 132.A O no hydrogen 3.053 N/A SER 120.A N GLU 123.A OE2.B no hydrogen 3.174 N/A SER 120.A OG ASP 81.A OD2 no hydrogen 2.599 N/A SER 120.A OG SER 122.A OG no hydrogen 3.181 N/A SER 121.A N ASP 81.A OD1 no hydrogen 2.963 N/A SER 121.A OG ASP 81.A OD1 no hydrogen 2.924 N/A SER 122.A N SER 120.A OG no hydrogen 3.176 N/A SER 122.A OG SER 120.A OG no hydrogen 3.181 N/A GLU 123.A N SER 120.A O no hydrogen 2.930 N/A TYR 124.A N SER 121.A O no hydrogen 3.048 N/A TYR 124.A OH PRO 118.A O no hydrogen 2.651 N/A GLN 125.A NE2 ARG 161.A O no hydrogen 3.203 N/A GLN 125.A NE2 LEU 163.A O no hydrogen 2.990 N/A GLY 126.A N GLY 164.A O no hydrogen 2.961 N/A ASP 128.A N.A ASN 166.A O no hydrogen 2.870 N/A ASP 128.A N.B ASN 166.A O no hydrogen 2.866 N/A ASN 132.A N ASN 117.A OD1 no hydrogen 3.107 N/A ASN 132.A ND2 THR 116.A O no hydrogen 3.079 N/A ASN 132.A ND2 ASN 117.A OD1 no hydrogen 3.259 N/A VAL 135.A N SER 113.A O no hydrogen 2.964 N/A HIS 136.A ND1 SER 97.A OG no hydrogen 2.870 N/A HIS 137.A N ASP 173.A OD1 no hydrogen 2.864 N/A HIS 137.A ND1 VAL 135.A O no hydrogen 2.728 N/A HIS 137.A NE2 THR 170.A O no hydrogen 2.892 N/A ILE 138.A N VAL 98.A O no hydrogen 2.903 N/A GLY 139.A N GLN 174.A O no hydrogen 2.933 N/A ILE 140.A N GLY 100.A O no hydrogen 2.923 N/A THR 142.A N GLY 102.A O no hydrogen 2.773 N/A THR 142.A OG1 HIS 49.A NE2 no hydrogen 3.014 N/A GLY 147.A N SER 239.A OG no hydrogen 3.113 N/A ALA 148.A N THR 146.A OG1 no hydrogen 3.141 N/A GLU 149.A N GLU 149.A OE1 no hydrogen 2.735 N/A ALA 150.A N GLY 147.A O no hydrogen 2.954 N/A SER 151.A OG THR 153.A O no hydrogen 3.302 N/A ARG 152.A NE ASP 168.A OD1 no hydrogen 3.120 N/A ARG 152.A NH2 ASP 128.A OD1.B no hydrogen 2.983 N/A ARG 152.A NH2 ASP 168.A OD1 no hydrogen 3.070 N/A THR 153.A N SER 151.A OG no hydrogen 3.354 N/A THR 153.A OG1 ASN 166.A OD1 no hydrogen 3.210 N/A VAL 155.A N ASP 107.A OD2 no hydrogen 2.934 N/A LEU 156.A N LEU 163.A O no hydrogen 3.295 N/A CYS 157.A N PRO 75.A O no hydrogen 2.847 N/A GLY 158.A N ARG 161.A O no hydrogen 2.888 N/A LYS 162.A NZ GLU 74.A OE1 no hydrogen 3.172 N/A LEU 163.A N LEU 156.A O no hydrogen 2.942 N/A LEU 165.A N ALA 154.A O no hydrogen 2.914 N/A ASN 166.A N GLY 126.A O no hydrogen 3.117 N/A ASN 166.A ND2 GLY 126.A O no hydrogen 3.100 N/A SER 167.A N ARG 152.A O no hydrogen 2.995 N/A TYR 169.A N SER 167.A OG no hydrogen 2.877 N/A THR 170.A N SER 167.A O no hydrogen 2.979 N/A THR 170.A OG1 LEU 165.A O no hydrogen 2.898 N/A THR 170.A OG1 SER 167.A O no hydrogen 3.357 N/A VAL 171.A N ASP 168.A O no hydrogen 3.477 N/A ASP 173.A N HIS 137.A O no hydrogen 2.932 N/A ILE 175.A N LYS 16.A O.A no hydrogen 2.923 N/A ILE 175.A N LYS 16.A O.B no hydrogen 2.936 N/A ILE 176.A N GLY 139.A O no hydrogen 2.948 N/A SER 178.A OG ASP 235.A OD1 no hydrogen 2.565 N/A GLU 179.A N ASP 177.A OD1 no hydrogen 3.149 N/A LEU 180.A N ASP 177.A O no hydrogen 2.941 N/A ILE 181.A N SER 178.A O no hydrogen 3.232 N/A ALA 182.A N GLU 179.A O no hydrogen 3.194 N/A VAL 184.A N ILE 181.A O no hydrogen 3.369 N/A GLN 188.A NE2 GLN 188.A O no hydrogen 3.426 N/A GLN 188.A NE2 THR 192.A OG1 no hydrogen 2.826 N/A TRP 189.A N PRO 185.A O no hydrogen 2.952 N/A PHE 190.A N THR 186.A O no hydrogen 2.936 N/A TYR 191.A N ASP 187.A O no hydrogen 2.787 N/A THR 192.A N GLN 188.A O no hydrogen 2.918 N/A THR 192.A OG1 GLN 188.A O no hydrogen 3.260 N/A GLY 193.A N TRP 189.A O no hydrogen 3.174 N/A CYS 195.A SG SER 219.A OG no hydrogen 3.183 N/A CYS 195.A SG ALA 238.A O no hydrogen 3.328 N/A PHE 196.A N GLY 193.A O no hydrogen 3.154 N/A HIS 198.A N ASP 194.A O no hydrogen 2.864 N/A CYS 199.A N CYS 195.A O no hydrogen 3.128 N/A CYS 199.A SG CYS 195.A O no hydrogen 3.380 N/A CYS 199.A SG ALA 216.A O no hydrogen 3.273 N/A CYS 199.A SG SER 219.A OG no hydrogen 3.323 N/A VAL 200.A N PHE 196.A O no hydrogen 3.111 N/A GLU 201.A N ILE 197.A O no hydrogen 3.007 N/A SER 202.A N HIS 198.A O no hydrogen 2.896 N/A SER 202.A OG SER 243.A OG no hydrogen 3.374 N/A SER 202.A OG SER 247.A OG no hydrogen 2.815 N/A LEU 203.A N CYS 199.A O no hydrogen 2.953 N/A GLN 204.A N VAL 200.A O no hydrogen 3.074 N/A GLN 204.A NE2 VAL 326.A O no hydrogen 3.085 N/A GLY 205.A N SER 202.A O no hydrogen 3.198 N/A THR 206.A N ASN 325.A O no hydrogen 2.827 N/A THR 206.A OG1 ASP 324.A O no hydrogen 2.959 N/A THR 206.A OG1 ASN 325.A O no hydrogen 3.318 N/A TYR 207.A N ASN 325.A OD1 no hydrogen 3.085 N/A TYR 207.A OH ASP 324.A OD2 no hydrogen 3.039 N/A ASN 209.A ND2 TYR 207.A O no hydrogen 3.622 N/A ASN 209.A ND2 TYR 246.A O no hydrogen 2.717 N/A ALA 212.A N ASN 209.A OD1 no hydrogen 2.883 N/A LYS 213.A N ASN 209.A O no hydrogen 2.963 N/A ALA 214.A N GLU 210.A O.A no hydrogen 2.891 N/A ALA 214.A N GLU 210.A O.B no hydrogen 2.930 N/A PHE 215.A N PHE 211.A O no hydrogen 3.364 N/A ALA 216.A N ALA 212.A O no hydrogen 2.933 N/A GLU 217.A N LYS 213.A O no hydrogen 2.983 N/A LYS 218.A N ALA 214.A O no hydrogen 3.211 N/A SER 219.A N PHE 215.A O no hydrogen 2.910 N/A SER 219.A OG ALA 238.A O no hydrogen 2.741 N/A LEU 221.A N LYS 218.A O no hydrogen 2.896 N/A CYS 222.A N SER 219.A O no hydrogen 2.966 N/A CYS 222.A SG SER 219.A O no hydrogen 3.508 N/A ARG 223.A NE GLU 288.A OE2 no hydrogen 2.580 N/A ARG 223.A NH1 ASP 220.A OD1 no hydrogen 2.822 N/A ARG 223.A NH2 GLU 288.A OE1 no hydrogen 2.888 N/A ARG 223.A NH2 GLU 288.A OE2 no hydrogen 3.459 N/A GLU 224.A N ASP 220.A O no hydrogen 3.065 N/A VAL 225.A N LEU 221.A O no hydrogen 2.996 N/A TYR 226.A N CYS 222.A O no hydrogen 2.843 N/A TYR 226.A OH TRP 189.A O no hydrogen 2.729 N/A LEU 227.A N ARG 223.A O no hydrogen 2.881 N/A ASP 228.A N ARG 223.A O no hydrogen 3.142 N/A HIS 230.A N GLU 224.A O no hydrogen 3.167 N/A GLU 232.A N.A HIS 230.A ND1 no hydrogen 2.983 N/A GLU 232.A N.B HIS 230.A ND1 no hydrogen 2.965 N/A LYS 233.A N HIS 230.A O no hydrogen 3.017 N/A LYS 233.A NZ ASP 229.A OD1 no hydrogen 2.577 N/A LYS 233.A NZ HIS 230.A O no hydrogen 2.925 N/A LYS 236.A N GLU 232.A O.A no hydrogen 3.034 N/A LYS 236.A N GLU 232.A O.B no hydrogen 3.021 N/A LYS 236.A NZ GLU 224.A OE1 no hydrogen 3.416 N/A LYS 236.A NZ GLU 224.A OE2 no hydrogen 2.833 N/A LEU 237.A N LYS 233.A O no hydrogen 2.857 N/A SER 239.A N LEU 237.A O no hydrogen 2.976 N/A SER 239.A OG GLU 149.A OE1 no hydrogen 3.498 N/A SER 239.A OG GLU 149.A OE2 no hydrogen 2.651 N/A GLY 242.A N SER 239.A O no hydrogen 2.937 N/A SER 243.A OG SER 202.A OG no hydrogen 3.374 N/A SER 243.A OG ALA 212.A O no hydrogen 2.844 N/A ILE 244.A N GLY 241.A O no hydrogen 3.152 N/A ALA 245.A N GLY 242.A O no hydrogen 3.052 N/A TYR 246.A N SER 243.A O no hydrogen 3.118 N/A TYR 246.A OH LYS 9.A O no hydrogen 2.569 N/A SER 247.A N ILE 244.A O no hydrogen 3.046 N/A SER 247.A OG SER 202.A OG no hydrogen 2.815 N/A SER 247.A OG SER 243.A O no hydrogen 2.729 N/A VAL 249.A N GLN 248.A OE1 no hydrogen 3.158 N/A ALA 251.A N TYR 282.A OH no hydrogen 3.084 N/A CYS 252.A SG ASN 271.A O no hydrogen 2.974 N/A HIS 253.A N GLU 201.A OE2 no hydrogen 3.037 N/A HIS 253.A ND1 GLU 201.A OE1 no hydrogen 2.799 N/A ALA 254.A N GLY 250.A O no hydrogen 3.020 N/A VAL 255.A N ALA 251.A O no hydrogen 3.039 N/A SER 256.A N CYS 252.A O no hydrogen 2.914 N/A SER 256.A OG ASN 271.A OD1 no hydrogen 2.675 N/A TYR 257.A N HIS 253.A O no hydrogen 2.979 N/A TYR 257.A N ALA 254.A O no hydrogen 3.260 N/A LEU 259.A N VAL 255.A O no hydrogen 3.214 N/A GLY 260.A N SER 256.A O no hydrogen 2.886 N/A TYR 261.A N TYR 257.A O no hydrogen 2.950 N/A TYR 261.A OH GLY 158.A O no hydrogen 2.772 N/A VAL 262.A N GLY 258.A O no hydrogen 3.028 N/A LEU 263.A N LEU 259.A O no hydrogen 3.028 N/A GLY 264.A N GLY 260.A O no hydrogen 3.030 N/A HIS 267.A N GLU 74.A OE2 no hydrogen 2.771 N/A HIS 267.A NE2 HIS 253.A NE2 no hydrogen 3.014 N/A GLY 270.A N HIS 266.A O no hydrogen 2.825 N/A ASN 271.A N HIS 267.A O no hydrogen 2.887 N/A ASN 271.A ND2 HIS 267.A NE2 no hydrogen 2.923 N/A CYS 272.A N GLY 268.A O no hydrogen 3.286 N/A CYS 272.A SG GLY 268.A O no hydrogen 3.573 N/A LEU 273.A N ILE 269.A O no hydrogen 2.913 N/A ALA 274.A N GLY 270.A O no hydrogen 2.993 N/A PHE 275.A N ASN 271.A O no hydrogen 2.716 N/A ASP 276.A N CYS 272.A O no hydrogen 3.064 N/A VAL 277.A N ALA 274.A O no hydrogen 3.048 N/A LEU 278.A N PHE 275.A O no hydrogen 3.037 N/A PHE 281.A N LEU 278.A O no hydrogen 3.057 N/A TYR 282.A N LEU 278.A O no hydrogen 3.093 N/A VAL 286.A N TYR 282.A O no hydrogen 2.980 N/A ALA 287.A N PRO 283.A O no hydrogen 3.163 N/A GLU 288.A N GLU 284.A O no hydrogen 3.012 N/A PHE 289.A N GLY 285.A O no hydrogen 2.934 N/A ARG 290.A N VAL 286.A O no hydrogen 2.811 N/A ARG 290.A NE ASP 276.A OD1 no hydrogen 2.754 N/A ARG 290.A NH1 GLU 279.A OE1 no hydrogen 3.102 N/A ARG 290.A NH2 ASP 276.A O no hydrogen 2.798 N/A ARG 290.A NH2 ASP 276.A OD1 no hydrogen 3.186 N/A LYS 291.A N ALA 287.A O no hydrogen 3.132 N/A ILE 293.A N LYS 291.A O no hydrogen 3.167 N/A HIS 294.A NE2 TYR 226.A O no hydrogen 2.726 N/A ASN 295.A N GLU 292.A O no hydrogen 3.285 N/A ILE 302.A N ILE 346.A OXT no hydrogen 3.225 N/A CYS 303.A N ILE 346.A O no hydrogen 2.869 N/A LEU 306.A N CYS 303.A O no hydrogen 3.347 N/A THR 310.A N PRO 307.A O no hydrogen 3.111 N/A ILE 311.A N PRO 307.A O no hydrogen 3.288 N/A ALA 312.A N ASP 308.A O no hydrogen 2.867 N/A LYS 313.A N GLU 309.A O no hydrogen 3.225 N/A ALA 315.A N ALA 312.A O no hydrogen 2.960 N/A VAL 316.A N LYS 313.A O no hydrogen 3.227 N/A THR 317.A OG1 ALA 254.A O no hydrogen 2.890 N/A LYS 318.A N VAL 314.A O no hydrogen 2.931 N/A LYS 318.A NZ ASP 337.A OD1 no hydrogen 3.302 N/A SER 319.A N ALA 315.A O no hydrogen 3.325 N/A SER 319.A OG VAL 316.A O no hydrogen 2.899 N/A TRP 323.A NE1 THR 317.A O no hydrogen 2.952 N/A ASP 324.A N GLY 320.A O no hydrogen 2.816 N/A ASN 325.A N PRO 321.A O no hydrogen 3.006 N/A ASN 325.A ND2 GLU 201.A O no hydrogen 3.533 N/A ASN 325.A ND2 VAL 249.A O no hydrogen 2.792 N/A VAL 326.A N LEU 322.A O no hydrogen 3.077 N/A TYR 327.A N TRP 323.A O no hydrogen 2.861 N/A GLY 328.A N ASP 324.A O no hydrogen 2.737 N/A GLU 332.A N GLU 332.A OE1 no hydrogen 3.131 N/A LYS 334.A N TRP 331.A O no hydrogen 2.973 N/A VAL 335.A N TRP 331.A O no hydrogen 2.962 N/A THR 336.A N LYS 334.A O no hydrogen 3.116 N/A THR 340.A N ASP 337.A O no hydrogen 2.984 N/A THR 340.A OG1 ASP 337.A O no hydrogen 3.044 N/A LYS 341.A N GLU 338.A O no hydrogen 3.165 N/A PHE 343.A N LEU 339.A O no hydrogen 2.995 N/A ARG 344.A N THR 340.A O no hydrogen 3.082 N/A ARG 344.A NH1 LEU 306.A O no hydrogen 2.893 N/A ARG 344.A NH2 LEU 306.A O no hydrogen 3.028 N/A ARG 345.A N LEU 342.A O no hydrogen 2.961 N/A ARG 345.A NH1 VAL 277.A O no hydrogen 2.901 N/A ILE 346.A N PHE 343.A O no hydrogen 3.201 N/A