Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 7lbm_j.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): SER 3.A OG SER 5.A OG no hydrogen 3.239 N/A SER 5.A OG SER 3.A OG no hydrogen 3.239 N/A GLN 6.A N SER 3.A O no hydrogen 3.165 N/A GLN 6.A N SER 3.A OG no hydrogen 2.564 N/A GLN 6.A NE2 SER 3.A OG no hydrogen 2.565 N/A LEU 8.A N SER 5.A O no hydrogen 3.110 N/A ALA 9.A N GLN 6.A O no hydrogen 2.506 N/A LEU 11.A N ASN 7.A O no hydrogen 2.778 N/A ALA 12.A N LEU 8.A O no hydrogen 2.894 N/A GLN 13.A N ALA 9.A O no hydrogen 2.901 N/A ARG 14.A N ARG 10.A O no hydrogen 2.905 N/A ILE 15.A N LEU 11.A O no hydrogen 2.797 N/A ARG 24.A N TRP 20.A O no hydrogen 3.123 N/A ASN 25.A N ASP 21.A O no hydrogen 2.902 N/A ASN 26.A N SER 22.A O no hydrogen 2.957 N/A LEU 27.A N VAL 23.A O no hydrogen 2.887 N/A ARG 28.A N ARG 24.A O no hydrogen 2.836 N/A SER 29.A N ASN 25.A O no hydrogen 2.932 N/A SER 29.A OG ASN 25.A O no hydrogen 3.516 N/A SER 29.A OG ASN 26.A O no hydrogen 2.218 N/A ALA 30.A N ASN 26.A O no hydrogen 2.975 N/A LEU 31.A N LEU 27.A O no hydrogen 2.899 N/A THR 32.A N ARG 28.A O no hydrogen 2.920 N/A THR 32.A OG1 SER 29.A O no hydrogen 2.452 N/A GLU 33.A N SER 29.A O no hydrogen 2.991 N/A MET 34.A N ALA 30.A O no hydrogen 2.894 N/A CYS 35.A N LEU 31.A O no hydrogen 2.882 N/A CYS 35.A SG LEU 31.A O no hydrogen 2.985 N/A VAL 36.A N THR 32.A O no hydrogen 2.963 N/A LEU 37.A N GLU 33.A O no hydrogen 3.028 N/A TYR 38.A N MET 34.A O no hydrogen 2.835 N/A ASP 39.A N CYS 35.A O no hydrogen 2.961 N/A VAL 40.A N VAL 36.A O no hydrogen 2.946 N/A LEU 41.A N LEU 37.A O no hydrogen 2.884 N/A SER 42.A N TYR 38.A O no hydrogen 2.901 N/A ILE 43.A N ASP 39.A O no hydrogen 2.911 N/A VAL 44.A N VAL 40.A O no hydrogen 3.402 N/A THR 48.A OG1 ASN 45.A O no hydrogen 2.798 N/A LEU 49.A N ASN 45.A O no hydrogen 3.290 N/A GLN 50.A N PRO 46.A O no hydrogen 2.968 N/A LEU 51.A N GLN 47.A O no hydrogen 2.911 N/A ILE 52.A N THR 48.A O no hydrogen 3.007 N/A SER 53.A N LEU 49.A O no hydrogen 2.992 N/A SER 53.A OG LEU 49.A O no hydrogen 2.959 N/A SER 53.A OG GLN 50.A O no hydrogen 2.606 N/A LYS 54.A N GLN 50.A O no hydrogen 2.876 N/A LYS 55.A N LEU 51.A O no hydrogen 2.921 N/A LYS 56.A N ILE 52.A O no hydrogen 3.025 N/A LYS 56.A NZ ILE 52.A O no hydrogen 3.003 N/A SER 57.A N SER 53.A O no hydrogen 2.936 N/A SER 57.A OG SER 53.A O no hydrogen 3.117 N/A LEU 58.A N LYS 54.A O no hydrogen 2.883 N/A ALA 59.A N LYS 55.A O no hydrogen 2.951 N/A GLY 60.A N LYS 56.A O no hydrogen 2.945 N/A ALA 61.A N SER 57.A O no hydrogen 2.975 N/A ALA 62.A N LEU 58.A O no hydrogen 2.958 N/A GLN 63.A N ALA 59.A O no hydrogen 2.941 N/A ILE 64.A N GLY 60.A O no hydrogen 2.974 N/A LEU 65.A N ALA 61.A O no hydrogen 3.013 N/A LEU 66.A N ALA 62.A O no hydrogen 2.834 N/A LYS 67.A N GLN 63.A O no hydrogen 2.950 N/A GLY 68.A N ILE 64.A O no hydrogen 3.016 N/A ALA 69.A N LEU 65.A O no hydrogen 2.949 N/A GLU 70.A N LEU 66.A O no hydrogen 2.860 N/A ARG 71.A N LYS 67.A O no hydrogen 2.957 N/A LEU 72.A N GLY 68.A O no hydrogen 3.020 N/A THR 73.A N ALA 69.A O no hydrogen 2.862 N/A LYS 74.A N GLU 70.A O no hydrogen 2.929 N/A SER 75.A N ARG 71.A O no hydrogen 2.901 N/A VAL 76.A N LEU 72.A O no hydrogen 2.994 N/A THR 77.A N THR 73.A O no hydrogen 2.984 N/A THR 77.A OG1 LYS 74.A O no hydrogen 2.628 N/A THR 77.A OG1 ASN 79.A OD1 no hydrogen 2.587 N/A ASN 79.A N VAL 76.A O no hydrogen 3.057 N/A GLN 80.A N GLN 80.A OE1 no hydrogen 2.702 N/A GLU 81.A N GLU 78.A O no hydrogen 3.133 N/A ASN 82.A N GLU 78.A O no hydrogen 3.202 N/A LYS 83.A N ASN 79.A O no hydrogen 3.347 N/A ASN 89.A N ASP 87.A OD1 no hydrogen 3.381 N/A SER 90.A N ARG 86.A O no hydrogen 3.285 N/A LEU 93.A N ASN 89.A O no hydrogen 2.871 N/A ARG 94.A N SER 90.A O no hydrogen 2.944 N/A LEU 95.A N GLU 91.A O no hydrogen 2.927 N/A ARG 96.A N LEU 92.A O no hydrogen 2.886 N/A GLN 97.A N ARG 94.A O no hydrogen 2.829 N/A HIS 98.A N ARG 94.A O no hydrogen 3.024 N/A TRP 99.A N LEU 95.A O no hydrogen 2.929 N/A ARG 102.A N LEU 109.A O no hydrogen 2.954 N/A VAL 104.A N LYS 107.A O no hydrogen 2.847 N/A GLY 110.A N PHE 127.A O no hydrogen 3.284 N/A SER 113.A OG ASP 111.A OD1 no hydrogen 3.083 N/A SER 113.A OG ASP 111.A OD2 no hydrogen 3.164 N/A ARG 115.A NH1 PHE 121.A O no hydrogen 3.079 N/A SER 119.A N TYR 114.A O no hydrogen 3.118 N/A SER 119.A OG TYR 114.A O no hydrogen 3.109 N/A PHE 121.A N SER 119.A OG no hydrogen 3.368 N/A HIS 124.A ND1 HIS 124.A O no hydrogen 2.707 N/A THR 126.A N ASP 111.A OD1 no hydrogen 2.722 N/A THR 126.A OG1 HIS 124.A ND1 no hydrogen 3.004 N/A THR 126.A OG1 HIS 124.A O no hydrogen 3.296 N/A THR 126.A OG1 GLY 125.A O no hydrogen 2.443 N/A GLU 128.A N GLN 137.A O no hydrogen 3.318 N/A ILE 130.A N ASP 135.A O no hydrogen 3.068 N/A ASP 135.A N ILE 130.A O no hydrogen 2.561 N/A VAL 136.A N ASP 135.A OD1 no hydrogen 2.562 N/A GLN 137.A N GLU 128.A O no hydrogen 2.652 N/A SER 140.A N ILE 138.A O no hydrogen 2.569 N/A SER 140.A OG PRO 139.A O no hydrogen 2.794 N/A SER 140.A OG ASP 141.A OD1 no hydrogen 3.013 N/A LYS 149.A NZ TYR 147.A OH no hydrogen 3.047 N/A VAL 150.A N ILE 148.A O no hydrogen 2.911 N/A SER 151.A N SER 210.A O no hydrogen 2.768 N/A SER 151.A OG SER 210.A O no hydrogen 3.489 N/A SER 151.A OG SER 210.A OG no hydrogen 2.646 N/A LYS 154.A NZ GLN 153.A O no hydrogen 2.760 N/A SER 156.A OG GLN 160.A OE1 no hydrogen 2.035 N/A GLN 160.A N PRO 157.A O no hydrogen 2.805 N/A THR 161.A OG1 HIS 158.A O no hydrogen 2.755 N/A LYS 162.A N HIS 158.A O no hydrogen 3.381 N/A LYS 162.A NZ HIS 158.A O no hydrogen 3.533 N/A LEU 163.A N TRP 159.A O no hydrogen 2.931 N/A GLU 164.A N GLN 160.A O no hydrogen 2.875 N/A ALA 165.A N THR 161.A O no hydrogen 2.918 N/A ALA 166.A N LYS 162.A O no hydrogen 2.960 N/A GLN 167.A N LEU 163.A O no hydrogen 2.951 N/A ASN 168.A N GLU 164.A O no hydrogen 2.936 N/A VAL 169.A N ALA 165.A O no hydrogen 2.951 N/A LEU 170.A N ALA 166.A O no hydrogen 2.970 N/A LEU 171.A N GLN 167.A O no hydrogen 2.904 N/A CYS 172.A N ASN 168.A O no hydrogen 2.980 N/A CYS 172.A SG ASN 168.A O no hydrogen 3.280 N/A CYS 172.A SG ASN 168.A OD1 no hydrogen 3.102 N/A CYS 172.A SG HIS 229.A NE2 no hydrogen 3.819 N/A LYS 173.A N VAL 169.A O no hydrogen 3.005 N/A GLU 174.A N LEU 170.A O no hydrogen 2.933 N/A ILE 175.A N LEU 171.A O no hydrogen 2.926 N/A PHE 176.A N CYS 172.A O no hydrogen 2.974 N/A ALA 177.A N LYS 173.A O no hydrogen 2.914 N/A GLN 178.A N GLU 174.A O no hydrogen 2.935 N/A LEU 179.A N ILE 175.A O no hydrogen 2.879 N/A SER 180.A N PHE 176.A O no hydrogen 2.887 N/A SER 180.A OG PHE 176.A O no hydrogen 2.848 N/A SER 180.A OG ALA 177.A O no hydrogen 2.644 N/A ARG 181.A N ALA 177.A O no hydrogen 2.908 N/A GLU 182.A N GLN 178.A O no hydrogen 2.951 N/A ALA 183.A N LEU 179.A O no hydrogen 2.922 N/A GLN 185.A N ARG 181.A O no hydrogen 3.040 N/A SER 188.A OG VAL 190.A O no hydrogen 2.226 N/A SER 188.A OG HIS 192.A ND1 no hydrogen 3.331 N/A GLN 189.A N GLN 189.A OE1 no hydrogen 2.620 N/A HIS 192.A ND1 VAL 190.A O no hydrogen 3.177 N/A HIS 192.A NE2 ALA 183.A O no hydrogen 2.969 N/A ILE 193.A N ILE 200.A O no hydrogen 2.730 N/A VAL 195.A N GLN 198.A O no hydrogen 3.124 N/A ILE 199.A N ILE 211.A O no hydrogen 2.810 N/A SER 201.A N LEU 209.A O no hydrogen 2.872 N/A SER 201.A OG LEU 209.A O no hydrogen 3.236 N/A SER 206.A OG PRO 205.A O no hydrogen 2.468 N/A LEU 207.A N PHE 204.A O no hydrogen 3.196 N/A LEU 209.A N SER 201.A O no hydrogen 2.864 N/A SER 210.A N SER 151.A O no hydrogen 2.889 N/A SER 210.A OG SER 151.A O no hydrogen 3.282 N/A SER 210.A OG SER 151.A OG no hydrogen 2.646 N/A ILE 211.A N ILE 199.A O no hydrogen 3.055 N/A SER 212.A OG LYS 149.A O no hydrogen 2.594 N/A LEU 213.A N ASN 197.A O no hydrogen 3.175 N/A SER 217.A OG SER 216.A O no hydrogen 2.433 N/A VAL 223.A N ASP 219.A O no hydrogen 3.211 N/A LEU 224.A N HIS 220.A O no hydrogen 3.183 N/A GLU 225.A N LEU 221.A O no hydrogen 2.778 N/A HIS 226.A N TYR 222.A O no hydrogen 2.985 N/A ASN 227.A N VAL 223.A O no hydrogen 2.951 N/A LEU 228.A N LEU 224.A O no hydrogen 2.915 N/A HIS 229.A N GLU 225.A O no hydrogen 2.989 N/A HIS 229.A ND1 GLU 225.A O no hydrogen 3.204 N/A LEU 230.A N HIS 226.A O no hydrogen 3.509 N/A LEU 231.A N ASN 227.A O no hydrogen 2.884 N/A ILE 232.A N LEU 228.A O no hydrogen 2.980 N/A ARG 233.A N HIS 229.A O no hydrogen 2.981 N/A ARG 233.A NE HIS 236.A ND1 no hydrogen 3.471 N/A GLU 234.A N LEU 230.A O no hydrogen 2.809 N/A PHE 235.A N LEU 231.A O no hydrogen 2.955 N/A HIS 236.A N ILE 232.A O no hydrogen 3.004 N/A LYS 237.A N ARG 233.A O no hydrogen 2.891 N/A LYS 237.A NZ ARG 233.A O no hydrogen 3.141 N/A GLN 238.A N GLU 234.A O no hydrogen 2.847 N/A GLN 238.A NE2 HIS 255.A NE2 no hydrogen 3.483 N/A THR 239.A N PHE 235.A O no hydrogen 3.112 N/A LEU 240.A N HIS 236.A O no hydrogen 3.410 N/A MET 244.A N SER 241.A O no hydrogen 3.150 N/A MET 245.A N SER 242.A O no hydrogen 2.510 N/A ALA 251.A N SER 250.A OG no hydrogen 2.517 N/A GLY 254.A N PRO 252.A O no hydrogen 2.671 N/A SER 261.A N ARG 257.A O no hydrogen 2.868 N/A SER 261.A OG ASP 267.A OD2 no hydrogen 2.850 N/A GLY 262.A N ARG 259.A O no hydrogen 2.533 N/A GLU 270.A N GLU 270.A OE1 no hydrogen 2.606 N/A ASN 272.A N LYS 268.A O no hydrogen 3.064 N/A SER 273.A N ASN 269.A O no hydrogen 2.945 N/A SER 273.A OG ASN 269.A O no hydrogen 2.186 N/A SER 273.A OG ASN 269.A OD1 no hydrogen 2.783 N/A LEU 274.A N GLU 270.A O no hydrogen 2.913 N/A LEU 274.A N ILE 271.A O no hydrogen 3.139 N/A GLN 275.A N ASN 272.A O no hydrogen 3.200 N/A SER 276.A N SER 273.A O no hydrogen 3.066 N/A LEU 280.A N GLU 182.A OE2 no hydrogen 2.672 N/A GLU 282.A N GLU 182.A OE1 no hydrogen 2.976 N/A ILE 284.A N LEU 280.A O no hydrogen 3.199 N/A ILE 285.A N LEU 281.A O no hydrogen 2.782 N/A LYS 286.A N GLU 282.A O no hydrogen 3.136 N/A GLN 287.A N LYS 283.A O no hydrogen 3.135 N/A ALA 288.A N ILE 284.A O no hydrogen 2.948 N/A LYS 289.A N ILE 285.A O no hydrogen 2.995 N/A HIS 290.A N LYS 286.A O no hydrogen 2.926 N/A ILE 291.A N GLN 287.A O no hydrogen 2.965 N/A PHE 292.A N ALA 288.A O no hydrogen 3.001 N/A LEU 293.A N LYS 289.A O no hydrogen 2.883 N/A ARG 294.A N HIS 290.A O no hydrogen 3.054 N/A SER 295.A N ILE 291.A O no hydrogen 3.084 N/A ARG 296.A N PHE 292.A O no hydrogen 2.932 N/A ALA 297.A N LEU 293.A O no hydrogen 2.987 N/A ALA 298.A N ARG 294.A O no hydrogen 2.937 N/A ALA 299.A N SER 295.A O no hydrogen 2.909 N/A THR 300.A N ARG 296.A O no hydrogen 2.916 N/A ILE 301.A N ALA 297.A O no hydrogen 2.931 N/A ASP 302.A N ALA 298.A O no hydrogen 2.950 N/A SER 303.A N ALA 299.A O no hydrogen 2.853 N/A LEU 304.A N THR 300.A O no hydrogen 2.912 N/A ALA 305.A N ILE 301.A O no hydrogen 2.951 N/A SER 306.A N ASP 302.A O no hydrogen 2.932 N/A SER 306.A N SER 303.A O no hydrogen 3.125 N/A ARG 307.A N SER 303.A O no hydrogen 3.260 N/A ARG 307.A NH2 GLN 375.A OE1 no hydrogen 3.124 N/A GLN 314.A N LEU 331.A O no hydrogen 2.966 N/A HIS 316.A N LYS 329.A O no hydrogen 2.930 N/A SER 318.A N SER 327.A O no hydrogen 3.208 N/A ILE 320.A N SER 318.A OG no hydrogen 2.843 N/A SER 326.A N ILE 350.A O no hydrogen 2.775 N/A VAL 328.A N LEU 348.A O no hydrogen 3.032 N/A LYS 329.A N HIS 316.A O no hydrogen 3.051 N/A VAL 330.A N LEU 346.A O no hydrogen 3.357 N/A LEU 331.A N GLN 314.A O no hydrogen 2.827 N/A THR 333.A N GLN 312.A O no hydrogen 2.627 N/A THR 333.A OG1 SER 334.A O no hydrogen 3.263 N/A THR 333.A OG1 TYR 337.A O no hydrogen 3.110 N/A TYR 337.A OH GLU 493.A OE1 no hydrogen 2.685 N/A LEU 346.A N VAL 330.A O no hydrogen 3.006 N/A GLN 347.A N VAL 358.A O no hydrogen 2.920 N/A ASN 349.A N ARG 356.A O no hydrogen 2.648 N/A ILE 350.A N SER 326.A O no hydrogen 2.937 N/A GLY 351.A N GLN 354.A O no hydrogen 3.355 N/A ILE 355.A N LEU 367.A O no hydrogen 3.051 N/A ARG 356.A N ASN 349.A O no hydrogen 3.034 N/A VAL 357.A N ILE 365.A O no hydrogen 2.811 N/A VAL 358.A N GLN 347.A O no hydrogen 3.408 N/A HIS 359.A N ARG 363.A O no hydrogen 3.068 N/A ARG 360.A N GLN 345.A O no hydrogen 3.079 N/A ASP 361.A N HIS 359.A ND1 no hydrogen 3.058 N/A GLY 362.A N HIS 359.A O no hydrogen 2.864 N/A ARG 363.A NH2 GLN 384.A OE1 no hydrogen 3.387 N/A ILE 365.A N VAL 357.A O no hydrogen 3.056 N/A LEU 367.A N ILE 355.A O no hydrogen 2.826 N/A GLN 375.A N GLU 371.A O no hydrogen 2.960 N/A ASP 376.A N GLN 372.A O no hydrogen 2.900 N/A PHE 377.A N GLU 373.A O no hydrogen 2.894 N/A LEU 378.A N LEU 374.A O no hydrogen 2.937 N/A LEU 379.A N GLN 375.A O no hydrogen 2.981 N/A SER 380.A N ASP 376.A O no hydrogen 2.921 N/A SER 380.A OG PHE 377.A O no hydrogen 2.838 N/A SER 380.A OG GLN 381.A OE1 no hydrogen 2.594 N/A GLN 381.A N PHE 377.A O no hydrogen 2.985 N/A GLN 381.A NE2 GLN 384.A OE1 no hydrogen 3.250 N/A MET 382.A N LEU 378.A O no hydrogen 2.891 N/A SER 383.A N LEU 379.A O no hydrogen 3.024 N/A SER 383.A OG SER 380.A O no hydrogen 2.978 N/A GLN 384.A N SER 380.A O no hydrogen 3.003 N/A GLN 384.A NE2 ASN 406.A O no hydrogen 3.382 N/A HIS 385.A N GLN 381.A O no hydrogen 2.833 N/A GLN 386.A N MET 382.A O no hydrogen 3.052 N/A GLN 386.A NE2 ASP 310.A OD1 no hydrogen 3.044 N/A VAL 387.A N SER 383.A O no hydrogen 3.144 N/A HIS 388.A N GLN 384.A O no hydrogen 2.889 N/A HIS 388.A N HIS 385.A O no hydrogen 3.152 N/A HIS 388.A ND1 GLN 384.A O no hydrogen 3.035 N/A ALA 389.A N HIS 385.A O no hydrogen 2.799 N/A VAL 390.A N GLN 386.A O no hydrogen 3.110 N/A GLN 392.A N HIS 388.A O no hydrogen 2.979 N/A LEU 393.A N ALA 389.A O no hydrogen 2.881 N/A ALA 394.A N VAL 390.A O no hydrogen 2.911 N/A LYS 395.A N GLN 391.A O no hydrogen 3.003 N/A VAL 396.A N GLN 392.A O no hydrogen 2.829 N/A GLN 400.A N SER 426.A O no hydrogen 3.039 N/A GLN 400.A NE2 VAL 401.A O no hydrogen 2.968 N/A LEU 402.A N VAL 424.A O no hydrogen 2.578 N/A VAL 408.A N SER 405.A OG no hydrogen 2.575 N/A GLY 409.A N SER 405.A OG no hydrogen 2.586 N/A SER 420.A OG ASN 437.A O no hydrogen 1.972 N/A ALA 421.A N ASN 437.A O no hydrogen 3.255 N/A THR 423.A N VAL 435.A O no hydrogen 2.982 N/A ALA 425.A N ILE 433.A O no hydrogen 3.260 N/A SER 426.A N GLN 400.A O no hydrogen 2.721 N/A ILE 433.A N ALA 425.A O no hydrogen 3.235 N/A SER 434.A N MET 446.A O no hydrogen 2.840 N/A SER 434.A OG THR 423.A O no hydrogen 3.429 N/A VAL 435.A N THR 423.A O no hydrogen 2.899 N/A ARG 436.A N LYS 444.A O no hydrogen 2.849 N/A ASN 437.A ND2 SER 383.A O no hydrogen 3.293 N/A SER 441.A N GLY 438.A O no hydrogen 3.331 N/A SER 441.A OG SER 441.A O no hydrogen 2.311 N/A LYS 444.A N ARG 436.A O no hydrogen 2.821 N/A MET 446.A N SER 434.A O no hydrogen 3.055 N/A VAL 447.A N LYS 476.A O no hydrogen 2.966 N/A GLN 448.A N ALA 432.A O no hydrogen 2.598 N/A GLN 453.A N PRO 450.A O no hydrogen 3.176 N/A LYS 467.A N ASP 465.A OD1 no hydrogen 2.246 N/A SER 469.A N ASN 466.A O no hydrogen 3.277 N/A SER 469.A OG ASN 452.A OD1 no hydrogen 2.415 N/A LEU 471.A N TRP 468.A O no hydrogen 3.421 N/A GLY 473.A N PHE 449.A O no hydrogen 2.557 N/A LYS 476.A N VAL 447.A O no hydrogen 2.778 N/A LYS 476.A NZ ASP 456.A OD2 no hydrogen 3.047 N/A VAL 478.A N ILE 445.A O no hydrogen 3.078 N/A GLN 479.A NE2 ASN 481.A OD1 no hydrogen 2.315 N/A MET 483.A N TRP 480.A O no hydrogen 3.200 N/A TYR 490.A N ASN 487.A OD1 no hydrogen 2.524 N/A LYS 491.A N ASN 487.A O no hydrogen 3.122 N/A MET 492.A N PHE 488.A O no hydrogen 3.029 N/A GLU 493.A N VAL 489.A O no hydrogen 2.871 N/A LEU 494.A N TYR 490.A O no hydrogen 2.949 N/A LEU 495.A N LYS 491.A O no hydrogen 2.986 N/A MET 496.A N MET 492.A O no hydrogen 2.801 N/A SER 497.A N GLU 493.A O no hydrogen 2.902 N/A SER 497.A OG LEU 494.A O no hydrogen 2.910 N/A ALA 498.A N LEU 494.A O no hydrogen 2.843 N/A LEU 499.A N LEU 495.A O no hydrogen 3.034 N/A SER 500.A N SER 497.A O no hydrogen 3.144 N/A