Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 5y5y_A.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): GLY 4.A N VAL 64.A O no hydrogen 2.917 N/A VAL 5.A N LYS 17.A O no hydrogen 3.448 N/A ILE 6.A N GLU 62.A O no hydrogen 3.337 N/A GLN 7.A N ILE 15.A O no hydrogen 2.888 N/A LYS 8.A N ILE 15.A O no hydrogen 2.771 N/A ALA 10.A N ALA 13.A O no hydrogen 3.372 N/A VAL 14.A N VAL 49.A O no hydrogen 3.142 N/A ILE 15.A N LYS 8.A O no hydrogen 2.852 N/A ALA 16.A N ALA 47.A O no hydrogen 3.247 N/A LYS 17.A N VAL 5.A O no hydrogen 3.120 N/A MET 19.A N ASP 45.A O no hydrogen 2.947 N/A ARG 23.A NH2 GLY 68.A O no hydrogen 3.142 N/A TYR 25.A N ILE 39.A O no hydrogen 2.919 N/A ILE 27.A N LEU 69.A O no hydrogen 3.212 N/A CYS 28.A N GLY 37.A O no hydrogen 3.217 N/A CYS 28.A SG ASP 26.A O no hydrogen 3.681 N/A CYS 28.A SG ILE 27.A O no hydrogen 2.855 N/A CYS 28.A SG SER 66.A OG no hydrogen 3.162 N/A GLY 31.A N PRO 63.A O no hydrogen 3.492 N/A GLY 37.A N CYS 28.A O no hydrogen 2.747 N/A GLU 38.A N GLN 50.A O no hydrogen 2.800 N/A ILE 39.A N ASP 26.A O no hydrogen 3.263 N/A ILE 40.A N PHE 48.A O no hydrogen 3.135 N/A ASP 43.A N THR 46.A O no hydrogen 2.938 N/A THR 46.A OG1 ASP 43.A O no hydrogen 3.115 N/A ALA 47.A N ALA 16.A O no hydrogen 3.206 N/A GLN 50.A N GLU 38.A O no hydrogen 2.729 N/A VAL 51.A N GLN 50.A OE1 no hydrogen 2.774 N/A TYR 52.A N VAL 36.A O no hydrogen 2.948 N/A LYS 59.A N GLU 62.A OE1 no hydrogen 2.980 N/A VAL 65.A N LYS 29.A O no hydrogen 3.447 N/A SER 66.A N ILE 2.A O no hydrogen 3.215 N/A SER 66.A OG ILE 27.A O no hydrogen 3.417 N/A GLY 68.A N SER 66.A OG no hydrogen 3.091 N/A TYR 84.A OH MET 79.A O no hydrogen 3.277 N/A ASP 85.A N ARG 89.A O no hydrogen 2.942 N/A GLN 88.A N ASP 85.A O no hydrogen 2.847 N/A ARG 89.A NH1 VAL 106.A O no hydrogen 3.353 N/A ARG 93.A NH2 ASP 112.A OD2 no hydrogen 3.052 N/A ARG 95.A N LEU 91.A O no hydrogen 2.823 N/A GLU 96.A N GLU 92.A O no hydrogen 2.982 N/A LYS 97.A N ILE 94.A O no hydrogen 2.866 N/A THR 98.A N ILE 94.A O no hydrogen 2.857 N/A THR 98.A OG1 ILE 94.A O no hydrogen 2.785 N/A THR 98.A OG1 TYR 101.A O no hydrogen 3.353 N/A THR 103.A OG1 TYR 101.A O no hydrogen 2.939 N/A ARG 104.A NH1 SER 56.A O no hydrogen 3.420 N/A ARG 104.A NH2 SER 56.A O no hydrogen 2.929 N/A ARG 113.A N ASP 112.A OD1 no hydrogen 2.886 N/A TRP 117.A N TYR 166.A O no hydrogen 2.864 N/A TRP 119.A N GLY 164.A O no hydrogen 3.186 N/A GLY 126.A N VAL 157.A O no hydrogen 3.244 N/A VAL 129.A N GLY 155.A O no hydrogen 2.906 N/A LEU 135.A N ILE 147.A O no hydrogen 2.988 N/A THR 137.A N THR 120.A O no hydrogen 3.270 N/A VAL 138.A N HIS 145.A O no hydrogen 3.058 N/A GLU 140.A N PHE 143.A O no hydrogen 3.295 N/A PHE 143.A N GLU 140.A O no hydrogen 2.919 N/A HIS 145.A N VAL 138.A O no hydrogen 3.113 N/A HIS 145.A ND1 LYS 146.A O no hydrogen 2.983 N/A VAL 149.A N MET 133.A O no hydrogen 3.174 N/A ARG 154.A NE ARG 154.A O no hydrogen 2.904 N/A GLY 155.A N VAL 129.A O no hydrogen 3.014 N/A ARG 156.A N ASP 177.A OD1 no hydrogen 2.862 N/A ARG 156.A NH2 GLY 126.A O no hydrogen 3.525 N/A VAL 157.A N ASP 127.A O no hydrogen 2.923 N/A LYS 158.A N VAL 174.A O no hydrogen 2.918 N/A LYS 161.A NZ GLU 170.A OE1 no hydrogen 3.454 N/A TYR 166.A OH PRO 162.A O no hydrogen 2.740 N/A TYR 166.A OH ALA 163.A O no hydrogen 3.388 N/A THR 167.A N GLU 170.A OE2 no hydrogen 3.165 N/A GLU 170.A N THR 167.A OG1 no hydrogen 3.081 N/A VAL 172.A N LEU 181.A O no hydrogen 3.164 N/A VAL 173.A N LEU 181.A O no hydrogen 3.237 N/A GLU 176.A N ARG 156.A O no hydrogen 2.854 N/A THR 179.A OG1 ASP 177.A O no hydrogen 3.233 N/A LEU 181.A N VAL 173.A O no hydrogen 3.103 N/A LYS 182.A NZ GLU 180.A O no hydrogen 3.005 N/A TYR 184.A OH GLU 169.A OE2 no hydrogen 3.211 N/A HIS 185.A N LEU 75.A O no hydrogen 3.025 N/A ARG 190.A NH2 GLU 38.A OE1 no hydrogen 3.070 N/A ARG 190.A NH2 GLU 300.A OE2 no hydrogen 3.217 N/A ARG 193.A NE ASP 315.A OD1 no hydrogen 3.004 N/A ARG 193.A NH1 HIS 185.A NE2 no hydrogen 3.529 N/A ARG 193.A NH2 ASP 315.A OD1 no hydrogen 3.038 N/A ARG 197.A N ILE 369.A O no hydrogen 3.250 N/A THR 203.A OG1 ASN 202.A OD1 no hydrogen 3.036 N/A PHE 205.A N VAL 218.A O no hydrogen 3.410 N/A THR 207.A N ASP 213.A OD1 no hydrogen 3.254 N/A GLY 208.A N ASP 213.A OD1 no hydrogen 3.429 N/A LEU 212.A N MET 209.A O no hydrogen 2.774 N/A ASP 213.A N ARG 210.A O no hydrogen 2.770 N/A GLY 222.A N ALA 219.A O no hydrogen 3.013 N/A ILE 226.A N GLY 382.A O no hydrogen 3.130 N/A SER 232.A OG PRO 229.A O no hydrogen 2.598 N/A SER 232.A OG GLY 231.A O no hydrogen 2.632 N/A LYS 234.A NZ GLY 228.A O no hydrogen 3.531 N/A THR 235.A OG1 GLU 261.A OE2 no hydrogen 2.731 N/A THR 235.A OG1 ASP 325.A OD1 no hydrogen 3.349 N/A THR 237.A N GLY 233.A O no hydrogen 2.999 N/A GLN 238.A N THR 235.A O no hydrogen 2.930 N/A GLN 239.A N VAL 236.A O no hydrogen 2.729 N/A SER 240.A N VAL 236.A O no hydrogen 3.398 N/A ALA 242.A N GLN 238.A O no hydrogen 3.448 N/A LYS 243.A N SER 240.A O no hydrogen 2.853 N/A LYS 243.A NZ GLU 268.A OE1 no hydrogen 2.873 N/A TRP 244.A N LEU 241.A O no hydrogen 3.232 N/A SER 245.A OG LEU 241.A O no hydrogen 3.085 N/A VAL 250.A N ARG 284.A O no hydrogen 3.145 N/A VAL 251.A N ALA 321.A O no hydrogen 2.978 N/A VAL 253.A N MET 323.A O no hydrogen 3.299 N/A CYS 255.A N ASP 325.A O no hydrogen 3.287 N/A GLY 256.A N ASN 290.A O no hydrogen 3.106 N/A ARG 258.A NH1 GLU 261.A OE2 no hydrogen 3.561 N/A ARG 258.A NH2 GLU 261.A OE1 no hydrogen 3.314 N/A GLU 261.A N ARG 258.A O no hydrogen 2.932 N/A MET 262.A N GLY 259.A O no hydrogen 2.944 N/A THR 263.A N GLY 259.A O no hydrogen 2.789 N/A THR 263.A OG1 GLY 259.A O no hydrogen 2.861 N/A VAL 265.A N MET 262.A O no hydrogen 2.916 N/A VAL 267.A N ASP 264.A O no hydrogen 3.157 N/A GLU 268.A N ASP 264.A O no hydrogen 2.990 N/A GLU 271.A N GLU 268.A O no hydrogen 3.138 N/A THR 273.A OG1 GLY 278.A O no hydrogen 3.392 N/A THR 277.A N ASP 274.A O no hydrogen 3.375 N/A GLY 279.A N THR 277.A OG1 no hydrogen 3.255 N/A LEU 281.A N LEU 272.A O no hydrogen 2.901 N/A ARG 284.A N LEU 281.A O no hydrogen 3.239 N/A ARG 284.A NH1 SER 245.A O no hydrogen 3.385 N/A ARG 284.A NH2 SER 245.A O no hydrogen 3.279 N/A ARG 284.A NH2 ALA 247.A O no hydrogen 2.893 N/A THR 291.A OG1 GLU 257.A O no hydrogen 2.841 N/A MET 294.A N THR 291.A O no hydrogen 3.013 N/A GLU 300.A N ALA 297.A O no hydrogen 2.773 N/A ALA 301.A N ALA 297.A O no hydrogen 3.187 N/A SER 302.A N ALA 298.A O no hydrogen 2.968 N/A SER 302.A OG ALA 298.A O no hydrogen 2.768 N/A VAL 305.A N SER 302.A O no hydrogen 3.362 N/A GLY 306.A N ILE 303.A O no hydrogen 2.665 N/A VAL 307.A N ILE 303.A O no hydrogen 3.041 N/A THR 308.A OG1 TYR 304.A O no hydrogen 2.957 N/A ILE 309.A N VAL 305.A O no hydrogen 2.896 N/A ALA 310.A N GLY 306.A O no hydrogen 3.129 N/A GLU 311.A N VAL 307.A O no hydrogen 3.092 N/A GLU 311.A N THR 308.A O no hydrogen 2.787 N/A TYR 312.A N THR 308.A O no hydrogen 2.886 N/A PHE 313.A N ILE 309.A O no hydrogen 3.187 N/A ASP 315.A N GLU 311.A O no hydrogen 2.883 N/A GLY 317.A N PHE 313.A O no hydrogen 3.331 N/A SER 319.A OG ASP 248.A OD1 no hydrogen 3.067 N/A ALA 321.A N VAL 249.A O no hydrogen 2.820 N/A LEU 322.A N THR 379.A O no hydrogen 2.857 N/A MET 323.A N VAL 251.A O no hydrogen 3.193 N/A ASP 325.A N VAL 253.A O no hydrogen 2.802 N/A SER 326.A OG GLU 257.A OE1 no hydrogen 3.382 N/A SER 326.A OG ASP 325.A OD2 no hydrogen 2.904 N/A THR 327.A N ALA 383.A O no hydrogen 2.986 N/A SER 328.A OG SER 385.A O no hydrogen 3.139 N/A TRP 330.A N THR 327.A O no hydrogen 3.092 N/A ALA 331.A N SER 328.A O no hydrogen 2.830 N/A GLU 332.A N SER 328.A O no hydrogen 3.445 N/A ALA 333.A N ARG 329.A O no hydrogen 2.868 N/A ALA 333.A N TRP 330.A O no hydrogen 2.940 N/A LEU 334.A N TRP 330.A O no hydrogen 2.869 N/A ARG 335.A N ALA 331.A O no hydrogen 2.947 N/A ARG 335.A NH2 TYR 350.A OH no hydrogen 2.994 N/A GLU 336.A N ALA 333.A O no hydrogen 2.956 N/A ILE 337.A N LEU 334.A O no hydrogen 3.331 N/A SER 338.A OG LEU 334.A O no hydrogen 3.021 N/A SER 338.A OG ARG 335.A O no hydrogen 3.476 N/A SER 339.A N ARG 335.A O no hydrogen 3.440 N/A SER 339.A OG ARG 335.A O no hydrogen 2.852 N/A SER 339.A OG GLU 336.A O no hydrogen 3.457 N/A ARG 340.A N ILE 337.A O no hydrogen 2.926 N/A ARG 340.A NE GLU 336.A OE2 no hydrogen 3.166 N/A ARG 340.A NH2 GLU 336.A O no hydrogen 3.098 N/A ARG 340.A NH2 GLU 336.A OE2 no hydrogen 3.279 N/A LEU 341.A N ILE 337.A O no hydrogen 3.201 N/A LEU 341.A N SER 338.A O no hydrogen 2.890 N/A GLU 342.A N SER 338.A O no hydrogen 2.830 N/A ALA 346.A N TYR 350.A O no hydrogen 3.114 N/A TYR 350.A N GLU 347.A O no hydrogen 3.173 N/A TYR 353.A OH GLU 343.A OE2 no hydrogen 2.755 N/A ARG 357.A N TYR 353.A O no hydrogen 3.244 N/A LEU 358.A N ALA 355.A O no hydrogen 2.819 N/A ALA 359.A N ALA 355.A O no hydrogen 2.735 N/A TYR 362.A N LEU 358.A O no hydrogen 3.214 N/A GLU 363.A N ALA 359.A O no hydrogen 3.506 N/A ARG 364.A NH2 ARG 191.A O no hydrogen 3.053 N/A ARG 364.A NH2 GLU 311.A OE1 no hydrogen 3.188 N/A LYS 367.A NZ THR 203.A OG1 no hydrogen 2.979 N/A VAL 368.A N GLY 376.A O no hydrogen 2.790 N/A THR 370.A N GLU 374.A O no hydrogen 3.368 N/A GLY 373.A N THR 370.A O no hydrogen 3.051 N/A GLU 374.A N THR 370.A OG1 no hydrogen 3.081 N/A GLY 376.A N VAL 368.A O no hydrogen 3.264 N/A THR 379.A N VAL 320.A O no hydrogen 3.199 N/A THR 379.A OG1 MET 220.A O no hydrogen 2.815 N/A THR 379.A OG1 VAL 320.A O no hydrogen 3.428 N/A ILE 380.A N GLY 222.A O no hydrogen 3.227 N/A ALA 383.A N ALA 324.A O no hydrogen 2.967 N/A VAL 384.A N ILE 226.A O no hydrogen 3.237 N/A SER 385.A OG PRO 386.A O no hydrogen 2.954 N/A GLU 393.A N ASP 390.A O no hydrogen 2.905 N/A VAL 395.A N GLU 393.A OE1 no hydrogen 3.031 N/A THR 396.A N GLU 393.A O no hydrogen 3.303 N/A THR 396.A N GLU 393.A OE2 no hydrogen 2.882 N/A THR 396.A OG1 GLU 393.A OE2 no hydrogen 3.246 N/A GLN 397.A N GLU 393.A O no hydrogen 3.366 N/A SER 398.A N PRO 394.A O no hydrogen 2.946 N/A SER 398.A OG PRO 394.A O no hydrogen 2.810 N/A SER 398.A OG VAL 395.A O no hydrogen 2.809 N/A THR 399.A N THR 396.A O no hydrogen 3.081 N/A THR 399.A OG1 THR 396.A O no hydrogen 3.129 N/A VAL 403.A N THR 399.A O no hydrogen 3.152 N/A TRP 407.A N ALA 225.A O no hydrogen 3.383 N/A ARG 408.A N SER 427.A OG no hydrogen 2.991 N/A ARG 408.A NH1 ASP 410.A OD2 no hydrogen 3.190 N/A SER 412.A OG ASP 410.A OD1 no hydrogen 3.149 N/A HIS 418.A ND1 GLN 496.A OE1 no hydrogen 2.808 N/A ASN 423.A ND2 ASP 410.A OD2 no hydrogen 2.776 N/A SER 427.A N ASN 423.A O no hydrogen 3.436 N/A SER 427.A OG ASN 423.A O no hydrogen 2.898 N/A TYR 428.A N PHE 406.A O no hydrogen 2.865 N/A SER 429.A OG PRO 217.A O no hydrogen 3.094 N/A SER 429.A OG PHE 431.A O no hydrogen 2.951 N/A ASP 436.A N SER 433.A O no hydrogen 2.999 N/A TYR 439.A N LEU 435.A O no hydrogen 3.412 N/A TYR 439.A OH ASP 213.A O no hydrogen 3.294 N/A ARG 440.A N ASP 436.A O no hydrogen 2.935 N/A GLU 441.A N PRO 437.A O no hydrogen 3.315 N/A ASN 442.A N TRP 438.A O no hydrogen 3.002 N/A VAL 443.A N TYR 439.A O no hydrogen 2.954 N/A TYR 447.A OH ASP 213.A O no hydrogen 3.401 N/A TYR 447.A OH TYR 439.A OH no hydrogen 2.909 N/A LEU 450.A N ASP 446.A O no hydrogen 3.395 N/A ARG 451.A NE ASP 452.A OD2 no hydrogen 3.086 N/A ARG 451.A NH2 THR 432.A O no hydrogen 3.165 N/A ASP 452.A N GLU 449.A O no hydrogen 3.292 N/A ALA 453.A N GLU 449.A O no hydrogen 3.233 N/A ILE 454.A N ARG 451.A O no hydrogen 2.936 N/A SER 455.A N ARG 451.A O no hydrogen 3.093 N/A SER 455.A OG ASP 452.A O no hydrogen 2.738 N/A GLU 456.A N ASP 452.A O no hydrogen 2.710 N/A LEU 457.A N ALA 453.A O no hydrogen 3.248 N/A LEU 457.A N ILE 454.A O no hydrogen 2.908 N/A LEU 458.A N ILE 454.A O no hydrogen 2.983 N/A GLN 459.A N SER 455.A O no hydrogen 2.932 N/A ARG 460.A N LEU 457.A O no hydrogen 2.902 N/A GLU 461.A N LEU 457.A O no hydrogen 2.695 N/A GLY 463.A N ARG 460.A O no hydrogen 2.763 N/A LEU 464.A N GLU 461.A O no hydrogen 2.900 N/A GLN 465.A N GLU 461.A O no hydrogen 3.093 N/A GLU 466.A N ALA 462.A O no hydrogen 2.985 N/A VAL 468.A N LEU 464.A O no hydrogen 2.989 N/A GLN 469.A N GLN 465.A O no hydrogen 3.269 N/A LEU 470.A N ILE 467.A O no hydrogen 2.976 N/A VAL 471.A N VAL 468.A O no hydrogen 3.253 N/A LEU 476.A N PRO 473.A O no hydrogen 3.195 N/A ASP 478.A N GLU 480.A OE2 no hydrogen 2.869 N/A GLU 480.A N GLU 480.A OE2 no hydrogen 2.933 N/A ARG 481.A NE PRO 473.A O no hydrogen 3.058 N/A ARG 481.A NE LEU 476.A O no hydrogen 3.450 N/A ARG 481.A NH2 PRO 473.A O no hydrogen 3.122 N/A LEU 482.A N ASP 478.A O no hydrogen 3.048 N/A VAL 483.A N GLU 480.A O no hydrogen 3.000 N/A GLU 485.A N ARG 481.A O no hydrogen 3.447 N/A VAL 486.A N LEU 482.A O no hydrogen 3.077 N/A GLY 487.A N VAL 483.A O no hydrogen 2.965 N/A ARG 488.A N ILE 484.A O no hydrogen 2.864 N/A ARG 488.A NE GLU 485.A OE1 no hydrogen 3.134 N/A ARG 488.A NH2 GLU 485.A OE1 no hydrogen 3.425 N/A ILE 489.A N GLU 485.A O no hydrogen 2.939 N/A ILE 490.A N VAL 486.A O no hydrogen 2.884 N/A ARG 491.A N GLY 487.A O no hydrogen 3.200 N/A ARG 491.A N ARG 488.A O no hydrogen 3.133 N/A GLU 492.A N ARG 488.A O no hydrogen 3.147 N/A ASP 493.A N ILE 489.A O no hydrogen 2.819 N/A PHE 494.A N ILE 490.A O no hydrogen 2.999 N/A HIS 501.A ND1 VAL 503.A O no hydrogen 2.724 N/A CYS 507.A SG GLN 497.A OE1 no hydrogen 3.555 N/A LYS 511.A N SER 508.A O no hydrogen 3.306 N/A LYS 511.A N SER 508.A OG no hydrogen 3.303 N/A LYS 511.A NZ ASP 504.A OD1 no hydrogen 3.074 N/A LYS 511.A NZ ARG 552.A O no hydrogen 2.857 N/A LYS 511.A NZ VAL 554.A O no hydrogen 3.488 N/A ALA 512.A N SER 508.A O no hydrogen 3.173 N/A TYR 513.A N MET 509.A O no hydrogen 2.644 N/A TYR 513.A OH ASP 446.A OD2 no hydrogen 3.121 N/A GLY 514.A N LYS 510.A O no hydrogen 3.417 N/A ILE 515.A N LYS 511.A O no hydrogen 3.222 N/A MET 516.A N ALA 512.A O no hydrogen 3.203 N/A LYS 517.A N GLY 514.A O no hydrogen 2.641 N/A LYS 517.A NZ TYR 513.A OH no hydrogen 3.102 N/A ALA 521.A N LYS 517.A O no hydrogen 3.170 N/A PHE 522.A N MET 518.A O no hydrogen 2.942 N/A TYR 523.A N ILE 519.A O no hydrogen 2.831 N/A LYS 524.A N LEU 520.A O no hydrogen 2.819 N/A GLU 525.A N ALA 521.A O no hydrogen 2.796 N/A ALA 526.A N PHE 522.A O no hydrogen 3.095 N/A GLU 527.A N TYR 523.A O no hydrogen 2.922 N/A ALA 528.A N GLU 525.A O no hydrogen 3.223 N/A ALA 529.A N ALA 526.A O no hydrogen 2.804 N/A ILE 530.A N ALA 526.A O no hydrogen 3.050 N/A ARG 532.A N ALA 528.A O no hydrogen 3.249 N/A ARG 532.A NH1 LEU 577.A O no hydrogen 3.568 N/A ARG 532.A NH2 LEU 577.A O no hydrogen 2.975 N/A GLY 533.A N ILE 530.A O no hydrogen 3.141 N/A LEU 540.A N ILE 536.A O no hydrogen 2.814 N/A LEU 542.A N ILE 539.A O no hydrogen 3.053 N/A LEU 545.A N LEU 542.A O no hydrogen 3.356 N/A ARG 547.A N VAL 544.A O no hydrogen 3.275 N/A ILE 548.A N VAL 544.A O no hydrogen 3.416 N/A ARG 550.A N GLU 546.A O no hydrogen 3.103 N/A ARG 552.A NH1 ASP 493.A O no hydrogen 3.269 N/A TYR 553.A N ARG 550.A O no hydrogen 2.946 N/A PHE 559.A N SER 555.A O no hydrogen 2.914 N/A TYR 562.A N GLU 558.A O no hydrogen 2.921 N/A TYR 562.A OH ARG 547.A O no hydrogen 2.941 N/A PHE 563.A N PHE 559.A O no hydrogen 2.971 N/A GLU 564.A N PRO 560.A O no hydrogen 2.817 N/A GLU 565.A N TYR 562.A O no hydrogen 3.156 N/A ALA 566.A N PHE 563.A O no hydrogen 3.126 N/A MET 567.A N PHE 563.A O no hydrogen 3.102 N/A LYS 568.A N GLU 565.A O no hydrogen 3.313 N/A GLU 569.A N GLU 565.A O no hydrogen 3.234 N/A ILE 570.A N ALA 566.A O no hydrogen 3.036 N/A GLN 571.A NE2 MET 567.A O no hydrogen 3.353 N/A ALA 573.A N ILE 570.A O no hydrogen 2.851 N/A ALA 576.A N GLY 572.A O no hydrogen 3.258 N/A