Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 7w3a_x.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): LEU 3.A N MET 1.A O no hydrogen 3.079 N/A TYR 4.A N LEU 20.A O no hydrogen 2.566 N/A SER 5.A OG SER 5.A O no hydrogen 2.520 N/A VAL 6.A N VAL 18.A O no hydrogen 2.776 N/A THR 7.A OG1 PHE 15.A O no hydrogen 2.751 N/A VAL 8.A N PHE 15.A O no hydrogen 2.670 N/A LYS 9.A N LEU 69.A O no hydrogen 2.832 N/A TRP 10.A N GLU 13.A O no hydrogen 2.833 N/A GLU 13.A N TRP 10.A O no hydrogen 3.185 N/A PHE 15.A N VAL 8.A O no hydrogen 2.572 N/A VAL 18.A N VAL 6.A O no hydrogen 3.046 N/A LEU 20.A N TYR 4.A O no hydrogen 2.506 N/A THR 22.A OG1 ASP 23.A OD1 no hydrogen 3.384 N/A ASP 23.A N ASN 21.A OD1 no hydrogen 3.269 N/A LYS 30.A N PRO 26.A O no hydrogen 2.889 N/A ALA 31.A N MET 27.A O no hydrogen 2.895 N/A GLN 32.A N VAL 28.A O no hydrogen 2.908 N/A LEU 33.A N PHE 29.A O no hydrogen 2.894 N/A PHE 34.A N LYS 30.A O no hydrogen 2.869 N/A ALA 35.A N ALA 31.A O no hydrogen 2.921 N/A LEU 36.A N GLN 32.A O no hydrogen 2.897 N/A THR 37.A N LEU 33.A O no hydrogen 2.571 N/A THR 37.A OG1 LEU 33.A O no hydrogen 2.627 N/A VAL 39.A N THR 37.A OG1 no hydrogen 3.306 N/A ARG 43.A NH1 SER 74.A OG no hydrogen 2.460 N/A GLN 44.A NE2 LYS 30.A O no hydrogen 3.181 N/A MET 47.A N LEU 70.A O no hydrogen 2.825 N/A GLY 51.A N VAL 48.A O no hydrogen 3.158 N/A LYS 62.A NZ TYR 4.A OH no hydrogen 2.911 N/A LYS 62.A NZ ILE 63.A O no hydrogen 2.931 N/A LYS 64.A NZ ASN 65.A O no hydrogen 3.492 N/A LYS 64.A NZ GLY 66.A O no hydrogen 2.555 N/A LEU 69.A N THR 7.A O no hydrogen 3.144 N/A LEU 70.A N MET 47.A O no hydrogen 2.744 N/A MET 71.A N LYS 9.A O no hydrogen 3.108 N/A SER 74.A OG ASP 76.A O no hydrogen 2.673 N/A SER 83.A OG ALA 84.A O no hydrogen 3.497 N/A LYS 85.A NZ THR 86.A OG1 no hydrogen 3.429 N/A VAL 87.A N LYS 85.A O no hydrogen 2.853 N/A GLU 90.A N VAL 87.A O no hydrogen 3.219 N/A THR 93.A OG1 GLN 96.A OE1 no hydrogen 2.632 N/A LEU 97.A N THR 93.A O no hydrogen 2.788 N/A ALA 98.A N GLU 94.A O no hydrogen 2.873 N/A SER 99.A N GLU 95.A O no hydrogen 2.918 N/A ALA 100.A N GLN 96.A O no hydrogen 2.857 N/A MET 101.A N LEU 97.A O no hydrogen 3.000 N/A GLU 102.A N ALA 98.A O no hydrogen 3.340 N/A LEU 107.A N ASP 452.A O no hydrogen 3.281 N/A THR 108.A OG1 SER 169.A O no hydrogen 2.365 N/A THR 108.A OG1 SER 169.A OG no hydrogen 2.598 N/A ASN 109.A ND2 ASP 452.A OD2 no hydrogen 3.123 N/A LEU 110.A N THR 113.A OG1 no hydrogen 2.780 N/A GLY 111.A N ASN 109.A OD1 no hydrogen 3.356 N/A THR 113.A N ASN 109.A OD1 no hydrogen 3.057 N/A THR 113.A OG1 ASN 109.A OD1 no hydrogen 2.806 N/A CYS 114.A SG HIS 435.A ND1 no hydrogen 3.296 N/A ASN 117.A ND2 ASP 452.A OD1 no hydrogen 3.185 N/A ALA 118.A N CYS 114.A O no hydrogen 2.909 N/A THR 119.A N TYR 115.A O no hydrogen 2.925 N/A THR 119.A OG1 TYR 115.A O no hydrogen 2.827 N/A VAL 120.A N MET 116.A O no hydrogen 2.895 N/A GLN 121.A N ASN 117.A O no hydrogen 2.962 N/A GLN 121.A NE2 CYS 105.A O no hydrogen 3.543 N/A CYS 122.A N ALA 118.A O no hydrogen 2.914 N/A CYS 122.A SG ALA 118.A O no hydrogen 3.282 N/A ILE 123.A N THR 119.A O no hydrogen 2.929 N/A ARG 124.A N VAL 120.A O no hydrogen 2.861 N/A ARG 124.A NH2 PHE 160.A O no hydrogen 2.905 N/A ARG 124.A NH2 ASP 164.A OD1 no hydrogen 2.425 N/A SER 125.A N GLN 121.A O no hydrogen 2.942 N/A SER 125.A OG CYS 122.A O no hydrogen 2.551 N/A VAL 126.A N ILE 123.A O no hydrogen 3.124 N/A GLU 128.A N GLU 128.A OE1 no hydrogen 2.715 N/A LYS 130.A N VAL 126.A O no hydrogen 3.470 N/A LYS 130.A NZ ASP 164.A OD1 no hydrogen 2.737 N/A LYS 130.A NZ ASP 164.A OD2 no hydrogen 3.029 N/A ASP 131.A N PRO 127.A O no hydrogen 2.918 N/A ALA 132.A N GLU 128.A O no hydrogen 2.881 N/A LEU 133.A N LEU 129.A O no hydrogen 2.901 N/A LYS 134.A N LYS 130.A O no hydrogen 2.907 N/A LYS 134.A NZ ASP 164.A OD2 no hydrogen 3.044 N/A ARG 135.A N ASP 131.A O no hydrogen 2.892 N/A ARG 135.A NE ASP 131.A O no hydrogen 2.786 N/A TYR 136.A N LEU 133.A O no hydrogen 3.219 N/A SER 148.A N GLU 145.A O no hydrogen 3.211 N/A SER 148.A OG GLU 145.A O no hydrogen 2.425 N/A SER 148.A OG GLU 145.A OE2 no hydrogen 2.892 N/A GLN 150.A NE2 ALA 139.A O no hydrogen 2.412 N/A TYR 151.A N SER 148.A O no hydrogen 3.123 N/A THR 153.A N ALA 149.A O no hydrogen 2.901 N/A THR 153.A OG1 ALA 149.A O no hydrogen 2.820 N/A ALA 154.A N GLN 150.A O no hydrogen 2.877 N/A ALA 155.A N TYR 151.A O no hydrogen 2.909 N/A LEU 156.A N ILE 152.A O no hydrogen 2.908 N/A ARG 157.A N THR 153.A O no hydrogen 2.906 N/A ASP 158.A N ALA 154.A O no hydrogen 2.920 N/A LEU 159.A N ALA 155.A O no hydrogen 2.922 N/A PHE 160.A N LEU 156.A O no hydrogen 2.856 N/A ASP 161.A N ARG 157.A O no hydrogen 2.926 N/A SER 162.A N ASP 158.A O no hydrogen 2.914 N/A SER 162.A OG ASP 158.A O no hydrogen 3.014 N/A MET 163.A N LEU 159.A O no hydrogen 2.862 N/A ASP 164.A N PHE 160.A O no hydrogen 2.921 N/A LYS 165.A NZ ASP 161.A O no hydrogen 2.387 N/A SER 169.A OG THR 108.A OG1 no hydrogen 2.598 N/A SER 169.A OG SER 169.A O no hydrogen 2.596 N/A LEU 176.A N PRO 172.A O no hydrogen 2.812 N/A GLN 177.A N ILE 173.A O no hydrogen 2.905 N/A PHE 178.A N ILE 174.A O no hydrogen 2.923 N/A LEU 179.A N LEU 175.A O no hydrogen 2.910 N/A HIS 180.A N LEU 176.A O no hydrogen 2.854 N/A MET 181.A N GLN 177.A O no hydrogen 2.956 N/A ALA 182.A N PHE 178.A O no hydrogen 2.898 N/A PHE 183.A N LEU 179.A O no hydrogen 3.229 N/A GLN 185.A N GLN 185.A OE1 no hydrogen 2.659 N/A ALA 187.A N PRO 184.A O no hydrogen 3.213 N/A GLY 190.A N GLN 194.A O no hydrogen 2.561 N/A TYR 195.A N ASN 112.A OD1 no hydrogen 3.359 N/A LEU 196.A N GLU 188.A O no hydrogen 3.461 N/A ASN 201.A N ASP 199.A OD1 no hydrogen 3.369 N/A CYS 203.A N ASP 199.A O no hydrogen 3.459 N/A TRP 204.A N ALA 200.A O no hydrogen 2.913 N/A ILE 205.A N ASN 201.A O no hydrogen 2.916 N/A GLN 206.A N GLU 202.A O no hydrogen 2.924 N/A MET 207.A N CYS 203.A O no hydrogen 2.886 N/A MET 208.A N TRP 204.A O no hydrogen 2.962 N/A ARG 209.A N ILE 205.A O no hydrogen 2.888 N/A VAL 210.A N GLN 206.A O no hydrogen 2.894 N/A LEU 211.A N MET 207.A O no hydrogen 2.901 N/A GLN 212.A N MET 208.A O no hydrogen 2.863 N/A GLN 212.A NE2 ASP 244.A OD2 no hydrogen 3.182 N/A GLN 213.A N ARG 209.A O no hydrogen 2.926 N/A GLN 213.A NE2 GLN 212.A OE1 no hydrogen 3.582 N/A LYS 214.A N VAL 210.A O no hydrogen 2.916 N/A ILE 218.A N GLU 216.A O no hydrogen 2.726 N/A ASP 220.A N GLN 245.A OE1 no hydrogen 3.366 N/A SER 222.A OG THR 226.A OG1 no hydrogen 2.420 N/A VAL 223.A N ASP 220.A O no hydrogen 3.204 N/A LYS 224.A N ASP 221.A O no hydrogen 3.063 N/A LYS 224.A NZ ALA 217.A O no hydrogen 3.249 N/A THR 226.A N SER 222.A O no hydrogen 2.933 N/A THR 226.A OG1 SER 222.A O no hydrogen 2.272 N/A THR 226.A OG1 SER 222.A OG no hydrogen 2.420 N/A SER 228.A OG LYS 224.A O no hydrogen 3.339 N/A SER 230.A OG ASP 227.A O no hydrogen 3.298 N/A SER 230.A OG THR 235.A OG1 no hydrogen 2.605 N/A SER 232.A OG ALA 231.A O no hydrogen 2.696 N/A THR 235.A N ALA 233.A O no hydrogen 2.762 N/A THR 235.A OG1 SER 230.A OG no hydrogen 2.605 N/A SER 237.A OG LYS 238.A O no hydrogen 3.536 N/A LYS 239.A NZ SER 237.A O no hydrogen 3.075 N/A SER 241.A OG LEU 211.A O no hydrogen 3.513 N/A LEU 242.A N SER 241.A OG no hydrogen 2.565 N/A PHE 246.A N LEU 242.A O no hydrogen 2.901 N/A PHE 247.A N ILE 243.A O no hydrogen 2.752 N/A VAL 249.A N GLN 272.A O no hydrogen 2.814 N/A GLU 250.A N ARG 319.A O no hydrogen 3.517 N/A PHE 251.A N GLU 270.A O no hydrogen 2.476 N/A GLU 252.A N LYS 316.A O no hydrogen 2.912 N/A THR 253.A N GLY 268.A O no hydrogen 2.771 N/A THR 253.A OG1 GLY 268.A O no hydrogen 2.819 N/A THR 254.A N SER 314.A O no hydrogen 3.367 N/A THR 254.A OG1 SER 314.A O no hydrogen 3.021 N/A MET 255.A N THR 266.A O no hydrogen 2.696 N/A LYS 256.A N ILE 312.A O no hydrogen 3.385 N/A LYS 256.A NZ THR 254.A OG1 no hydrogen 3.040 N/A CYS 257.A SG GLU 263.A OE2 no hydrogen 3.738 N/A CYS 257.A SG LEU 310.A O no hydrogen 3.239 N/A GLU 259.A N GLU 259.A OE1 no hydrogen 2.774 N/A SER 260.A OG GLU 263.A OE2 no hydrogen 3.475 N/A GLU 261.A N GLU 261.A OE1 no hydrogen 2.846 N/A GLU 262.A N GLU 262.A OE1 no hydrogen 2.871 N/A GLU 263.A N SER 260.A O no hydrogen 3.221 N/A THR 266.A N MET 255.A O no hydrogen 2.931 N/A THR 266.A OG1 MET 255.A O no hydrogen 3.519 N/A LYS 267.A NZ VAL 265.A O no hydrogen 3.133 N/A GLY 268.A N THR 253.A O no hydrogen 2.707 N/A LYS 269.A NZ GLU 250.A OE1 no hydrogen 2.966 N/A LYS 269.A NZ ASN 271.A OD1 no hydrogen 2.474 N/A GLU 270.A N PHE 251.A O no hydrogen 2.930 N/A GLN 272.A N VAL 249.A O no hydrogen 2.704 N/A LEU 275.A N THR 325.A O no hydrogen 2.748 N/A SER 276.A OG GLN 327.A OE1 no hydrogen 3.503 N/A CYS 277.A N GLN 327.A O no hydrogen 3.405 N/A CYS 277.A SG PHE 278.A O no hydrogen 3.849 N/A GLU 282.A N ASN 280.A OD1 no hydrogen 3.169 N/A LEU 290.A N LEU 286.A O no hydrogen 2.944 N/A LYS 291.A N PHE 287.A O no hydrogen 2.923 N/A LEU 292.A N THR 288.A O no hydrogen 2.916 N/A ARG 293.A N GLY 289.A O no hydrogen 2.906 N/A LEU 294.A N LEU 290.A O no hydrogen 2.952 N/A GLU 296.A N LYS 313.A O no hydrogen 2.615 N/A ILE 298.A N TYR 311.A O no hydrogen 2.665 N/A SER 302.A OG GLU 263.A OE1 no hydrogen 3.142 N/A SER 302.A OG GLU 263.A OE2 no hydrogen 3.230 N/A SER 302.A OG TYR 311.A OH no hydrogen 2.899 N/A THR 304.A N SER 302.A OG no hydrogen 3.234 N/A THR 304.A OG1 GLU 263.A OE1 no hydrogen 3.226 N/A GLN 306.A NE2 PRO 303.A O no hydrogen 2.799 N/A GLN 306.A NE2 THR 304.A O no hydrogen 2.907 N/A ARG 307.A N SER 302.A O no hydrogen 3.233 N/A ALA 309.A N LYS 300.A O no hydrogen 2.767 N/A LEU 310.A N GLU 259.A OE2 no hydrogen 2.491 N/A TYR 311.A N ILE 298.A O no hydrogen 2.665 N/A TYR 311.A OH SER 302.A OG no hydrogen 2.899 N/A ILE 312.A N LYS 256.A O no hydrogen 2.864 N/A LYS 313.A N GLU 296.A O no hydrogen 2.797 N/A LYS 313.A NZ GLU 270.A OE2 no hydrogen 2.713 N/A LYS 316.A NZ GLU 357.A O no hydrogen 3.465 N/A ILE 317.A N LEU 358.A O no hydrogen 2.631 N/A SER 318.A N GLU 250.A O no hydrogen 2.605 N/A SER 318.A OG GLU 250.A O no hydrogen 2.899 N/A ARG 319.A N GLU 250.A O no hydrogen 3.425 N/A ARG 319.A NE ASP 409.A OD2 no hydrogen 3.210 N/A ARG 319.A NH1 GLN 245.A O no hydrogen 2.953 N/A ARG 319.A NH1 GLY 248.A O no hydrogen 3.285 N/A ARG 319.A NH2 GLN 245.A O no hydrogen 2.749 N/A ARG 319.A NH2 ASP 409.A OD1 no hydrogen 3.566 N/A TYR 323.A N PHE 246.A O no hydrogen 2.879 N/A LEU 324.A N TYR 480.A O no hydrogen 3.325 N/A ILE 326.A N LEU 478.A O no hydrogen 3.067 N/A GLN 327.A N LEU 275.A O no hydrogen 2.681 N/A VAL 329.A N CYS 277.A O no hydrogen 2.847 N/A ARG 330.A NH1 VAL 343.A O no hydrogen 2.906 N/A ARG 330.A NH1 LYS 345.A O no hydrogen 3.211 N/A ARG 330.A NH2 LYS 345.A O no hydrogen 2.543 N/A PHE 332.A N ALA 341.A O no hydrogen 3.205 N/A TYR 333.A OH SER 338.A OG no hydrogen 3.324 N/A LYS 334.A N VAL 339.A O no hydrogen 2.973 N/A SER 338.A OG TYR 333.A OH no hydrogen 3.324 N/A LYS 342.A NZ HIS 426.A ND1 no hydrogen 3.237 N/A LYS 342.A NZ GLY 428.A O no hydrogen 2.449 N/A VAL 343.A N ARG 330.A O no hydrogen 2.710 N/A LYS 345.A NZ ASN 280.A O no hydrogen 2.456 N/A LYS 345.A NZ VAL 283.A O no hydrogen 2.419 N/A LEU 358.A N MET 355.A O no hydrogen 3.364 N/A CYS 359.A SG MET 355.A O no hydrogen 3.279 N/A THR 360.A N ILE 317.A O no hydrogen 3.029 N/A THR 360.A OG1 GLU 362.A OE2 no hydrogen 2.856 N/A LEU 363.A N THR 360.A O no hydrogen 2.926 N/A GLN 364.A N PRO 361.A O no hydrogen 3.089 N/A GLN 364.A NE2 CYS 359.A O no hydrogen 3.430 N/A LYS 366.A NZ LYS 366.A O no hydrogen 2.911 N/A MET 367.A N LEU 363.A O no hydrogen 2.891 N/A VAL 368.A N GLN 364.A O no hydrogen 2.867 N/A SER 369.A N GLU 365.A O no hydrogen 2.994 N/A SER 369.A OG LYS 366.A O no hydrogen 2.581 N/A PHE 370.A N MET 367.A O no hydrogen 3.335 N/A ARG 371.A N MET 367.A O no hydrogen 2.915 N/A ARG 371.A NE TYR 417.A OH no hydrogen 2.814 N/A ARG 371.A NH2 ASP 354.A OD2 no hydrogen 3.023 N/A ARG 371.A NH2 TYR 417.A OH no hydrogen 2.941 N/A SER 372.A N VAL 368.A O no hydrogen 2.947 N/A LYS 373.A NZ VAL 368.A O no hydrogen 3.114 N/A LYS 375.A N ARG 371.A O no hydrogen 2.989 N/A ASP 376.A N SER 372.A O no hydrogen 2.921 N/A GLU 378.A N PHE 374.A O no hydrogen 2.929 N/A ASP 379.A N LYS 375.A O no hydrogen 2.931 N/A LYS 380.A N ASP 376.A O no hydrogen 2.905 N/A LYS 381.A N LEU 377.A O no hydrogen 2.924 N/A LYS 381.A N GLU 378.A O no hydrogen 3.268 N/A VAL 382.A N GLU 378.A O no hydrogen 2.957 N/A ASN 383.A N ASP 379.A O no hydrogen 2.961 N/A GLN 384.A N ASN 383.A OD1 no hydrogen 2.623 N/A LYS 397.A NZ SER 492.A O no hydrogen 2.531 N/A GLU 398.A N GLN 494.A O no hydrogen 3.048 N/A LYS 400.A N GLU 489.A OE2 no hydrogen 2.703 N/A GLU 402.A N VAL 485.A O no hydrogen 3.097 N/A PHE 406.A N SER 412.A OG no hydrogen 3.086 N/A SER 412.A OG ASP 409.A O no hydrogen 2.867 N/A ASN 413.A ND2 TYR 417.A O no hydrogen 3.549 N/A ASN 414.A ND2 PRO 403.A O no hydrogen 2.357 N/A CYS 415.A N ASN 413.A OD1 no hydrogen 3.121 N/A CYS 415.A SG ASN 413.A OD1 no hydrogen 3.290 N/A CYS 415.A SG TYR 417.A O no hydrogen 3.279 N/A CYS 415.A SG ARG 483.A O no hydrogen 3.380 N/A ASP 419.A N GLY 481.A O no hydrogen 2.466 N/A GLN 421.A N LEU 479.A O no hydrogen 3.282 N/A ALA 422.A N LEU 479.A O no hydrogen 3.359 N/A VAL 423.A N TRP 439.A O no hydrogen 2.890 N/A LEU 424.A N VAL 477.A O no hydrogen 2.862 N/A THR 425.A N VAL 437.A O no hydrogen 2.885 N/A THR 425.A OG1 VAL 437.A O no hydrogen 2.509 N/A HIS 426.A N ILE 474.A O no hydrogen 2.831 N/A GLN 427.A N HIS 435.A O no hydrogen 3.053 N/A GLN 427.A NE2 ASP 471.A O no hydrogen 3.391 N/A ARG 429.A NE ASP 471.A OD1 no hydrogen 3.347 N/A SER 431.A OG ASN 340.A O no hydrogen 3.060 N/A SER 432.A N SER 430.A OG no hydrogen 3.423 N/A HIS 435.A N GLN 427.A O no hydrogen 3.290 N/A HIS 435.A NE2 ASP 451.A OD1 no hydrogen 2.428 N/A VAL 437.A N THR 425.A O no hydrogen 2.972 N/A SER 438.A N PHE 450.A O no hydrogen 3.242 N/A SER 438.A OG PHE 450.A O no hydrogen 3.548 N/A TRP 439.A N VAL 423.A O no hydrogen 2.823 N/A TRP 439.A NE1 THR 425.A OG1 no hydrogen 2.660 N/A VAL 440.A N ILE 448.A O no hydrogen 3.003 N/A LYS 441.A N GLN 421.A O no hydrogen 2.882 N/A ARG 442.A N GLU 446.A O no hydrogen 3.068 N/A ARG 442.A NH1 GLU 102.A O no hydrogen 2.740 N/A ARG 442.A NH2 GLU 102.A O no hydrogen 3.433 N/A TRP 447.A N VAL 458.A O no hydrogen 3.318 N/A ILE 448.A N VAL 440.A O no hydrogen 2.671 N/A LYS 449.A N SER 456.A O no hydrogen 3.060 N/A PHE 450.A N SER 438.A O no hydrogen 2.864 N/A ASP 451.A N LYS 454.A O no hydrogen 3.151 N/A ASP 453.A N ASP 453.A OD1 no hydrogen 2.644 N/A LYS 454.A N ASP 451.A O no hydrogen 2.965 N/A VAL 458.A N TRP 447.A O no hydrogen 2.969 N/A THR 459.A OG1 ASP 462.A OD2 no hydrogen 3.486 N/A ASP 462.A N THR 459.A O no hydrogen 3.276 N/A LEU 464.A N PRO 460.A O no hydrogen 2.925 N/A ARG 465.A N GLU 461.A O no hydrogen 2.899 N/A ARG 465.A NH1 ARG 465.A O no hydrogen 2.875 N/A ARG 465.A NH1 GLY 468.A O no hydrogen 3.084 N/A LEU 466.A N ASP 462.A O no hydrogen 2.923 N/A LEU 466.A N ILE 463.A O no hydrogen 3.203 N/A SER 467.A OG ASP 346.A OD1 no hydrogen 2.308 N/A ILE 474.A N HIS 426.A O no hydrogen 2.896 N/A TYR 476.A N LEU 424.A O no hydrogen 2.705 N/A VAL 477.A N LEU 424.A O no hydrogen 3.385 N/A LEU 478.A N ILE 326.A O no hydrogen 2.954 N/A LEU 479.A N ALA 422.A O no hydrogen 2.891 N/A TYR 480.A N LEU 324.A O no hydrogen 3.024 N/A TYR 480.A OH PRO 350.A O no hydrogen 2.546 N/A GLY 481.A N ASP 419.A O no hydrogen 2.691 N/A ARG 483.A N TYR 417.A O no hydrogen 2.996 N/A ARG 484.A NH1 GLU 402.A O no hydrogen 3.139 N/A ILE 487.A N LYS 400.A O no hydrogen 2.704 N/A