Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 7tpp_C.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): ALA 1.A N GLY 67.A O no hydrogen 2.651 N/A ALA 1.A N ASP 68.A OD1 no hydrogen 2.774 N/A ARG 4.A N ILE 69.A O no hydrogen 3.033 N/A ARG 4.A NE GLN 2.A OE1 no hydrogen 3.270 N/A ARG 4.A NH2 GLN 2.A OE1 no hydrogen 2.407 N/A VAL 8.A N HIS 73.A O no hydrogen 3.020 N/A ALA 9.A N ARG 39.A O no hydrogen 2.616 N/A GLN 11.A N VAL 37.A O no hydrogen 3.140 N/A GLN 11.A NE2 GLU 48.A OE1 no hydrogen 3.010 N/A ILE 13.A N LYS 35.A O no hydrogen 2.778 N/A TRP 15.A N ILE 13.A O no hydrogen 2.813 N/A SER 16.A OG GLU 20.A OE2 no hydrogen 3.453 N/A SER 16.A OG THR 31.A O no hydrogen 3.522 N/A TYR 17.A N THR 31.A OG1 no hydrogen 2.868 N/A ARG 18.A NH1 ASN 211.A OD1 no hydrogen 2.388 N/A SER 25.A OG SER 25.A O no hydrogen 2.536 N/A LEU 28.A N ASN 27.A OD1 no hydrogen 2.555 N/A SER 29.A OG GLU 20.A OE2 no hydrogen 3.363 N/A SER 29.A OG THR 31.A O no hydrogen 2.774 N/A THR 31.A N SER 29.A OG no hydrogen 3.385 N/A SER 32.A OG THR 31.A O no hydrogen 2.690 N/A LYS 35.A N ILE 13.A O no hydrogen 2.854 N/A LYS 35.A NZ ASN 155.A O no hydrogen 2.441 N/A LYS 35.A NZ GLU 192.A OE1 no hydrogen 2.619 N/A VAL 37.A N GLN 11.A O no hydrogen 3.040 N/A ARG 39.A N ALA 9.A O no hydrogen 3.204 N/A ARG 39.A NH1 TYR 38.A O no hydrogen 2.798 N/A ARG 39.A NH2 GLY 56.A O no hydrogen 2.960 N/A TYR 41.A N TYR 7.A O no hydrogen 2.546 N/A GLU 42.A N LYS 47.A O no hydrogen 3.474 N/A PHE 45.A N GLU 42.A O no hydrogen 2.886 N/A LYS 49.A N GLU 40.A O no hydrogen 3.022 N/A SER 55.A N SER 52.A O no hydrogen 3.270 N/A GLY 56.A N ILE 54.A O no hydrogen 3.006 N/A LEU 57.A N ASN 207.A OD1 no hydrogen 2.688 N/A GLY 59.A N ILE 159.A O no hydrogen 2.858 N/A LEU 62.A N PRO 161.A O no hydrogen 2.659 N/A ILE 69.A N GLN 2.A O no hydrogen 3.012 N/A ILE 70.A N TRP 124.A O no hydrogen 2.864 N/A HIS 73.A N PHE 6.A O no hydrogen 2.741 N/A PHE 74.A N TYR 120.A O no hydrogen 2.901 N/A LYS 75.A N VAL 8.A O no hydrogen 3.063 N/A LYS 75.A NZ GLY 117.A O no hydrogen 3.340 N/A LYS 75.A NZ GLU 119.A OE2 no hydrogen 2.484 N/A ASN 76.A ND2 LYS 80.A O no hydrogen 2.533 N/A ASN 76.A ND2 VAL 114.A O no hydrogen 3.111 N/A LYS 77.A N ALA 10.A O no hydrogen 3.085 N/A LYS 77.A NZ GLN 11.A OE1 no hydrogen 3.561 N/A LYS 77.A NZ TYR 41.A OH no hydrogen 3.048 N/A ALA 78.A N ASN 76.A OD1 no hydrogen 3.072 N/A LYS 80.A NZ ASP 79.A OD1 no hydrogen 3.280 N/A LYS 80.A NZ ASP 79.A OD2 no hydrogen 3.446 N/A LYS 80.A NZ GLU 152.A OE1 no hydrogen 3.339 N/A LYS 80.A NZ GLU 152.A OE2 no hydrogen 2.441 N/A SER 83.A N SER 146.A OG no hydrogen 3.359 N/A SER 83.A OG GLY 97.A O no hydrogen 2.735 N/A HIS 85.A N TYR 145.A O no hydrogen 2.472 N/A HIS 85.A ND1 GLU 96.A O no hydrogen 3.045 N/A SER 95.A N SER 92.A O no hydrogen 3.216 N/A GLU 96.A N ASP 111.A OD2 no hydrogen 2.519 N/A GLY 97.A N ASP 111.A OD2 no hydrogen 2.613 N/A SER 99.A OG GLU 148.A OE1 no hydrogen 3.128 N/A SER 99.A OG GLU 148.A OE2 no hydrogen 3.123 N/A THR 104.A OG1 GLU 108.A OE1 no hydrogen 2.504 N/A GLU 108.A N PHE 105.A O no hydrogen 3.259 N/A LYS 109.A N PRO 106.A O no hydrogen 3.461 N/A LYS 109.A NZ TYR 100.A O no hydrogen 2.566 N/A ASP 112.A N LYS 109.A O no hydrogen 3.192 N/A GLY 117.A N ASN 76.A O no hydrogen 2.560 N/A ARG 118.A N ALA 115.A O no hydrogen 2.872 N/A TYR 120.A N PHE 74.A O no hydrogen 2.898 N/A TYR 122.A N VAL 72.A O no hydrogen 2.685 N/A TYR 122.A OH ASP 111.A O no hydrogen 2.772 N/A TRP 124.A N ILE 70.A O no hydrogen 3.197 N/A TRP 124.A NE1 SER 95.A O no hydrogen 2.411 N/A SER 125.A OG TRP 124.A O no hydrogen 2.751 N/A SER 127.A OG ASP 129.A OD2 no hydrogen 2.695 N/A THR 133.A OG1 PRO 132.A O no hydrogen 2.485 N/A THR 133.A OG1 HIS 134.A ND1 no hydrogen 3.338 N/A HIS 134.A ND1 PRO 132.A O no hydrogen 2.352 N/A LEU 140.A N ILE 164.A O no hydrogen 3.037 N/A HIS 142.A N LEU 162.A O no hydrogen 2.346 N/A HIS 142.A ND1 GLN 87.A OE1 no hydrogen 3.194 N/A TYR 144.A N GLY 160.A O no hydrogen 3.483 N/A TYR 144.A OH PRO 60.A O no hydrogen 2.662 N/A TYR 145.A N HIS 85.A O no hydrogen 3.301 N/A SER 146.A OG ASP 153.A OD2 no hydrogen 3.218 N/A ASN 149.A N ASP 153.A OD2 no hydrogen 2.790 N/A GLU 152.A N ASN 149.A O no hydrogen 2.971 N/A GLU 152.A N ASN 149.A OD1 no hydrogen 2.710 N/A ASP 153.A N ASN 149.A O no hydrogen 2.596 N/A ASN 155.A ND2 LYS 194.A O no hydrogen 2.337 N/A SER 156.A N GLU 152.A O no hydrogen 3.445 N/A SER 156.A OG ILE 36.A O no hydrogen 3.263 N/A SER 156.A OG GLU 152.A O no hydrogen 2.632 N/A GLY 157.A N PHE 154.A O no hydrogen 3.108 N/A LEU 162.A N HIS 142.A O no hydrogen 2.697 N/A LEU 163.A N LEU 62.A O no hydrogen 2.657 N/A ILE 164.A N LEU 140.A O no hydrogen 3.100 N/A CYS 165.A N ALA 64.A O no hydrogen 2.607 N/A LYS 167.A NZ GLU 65.A OE1 no hydrogen 3.102 N/A LYS 167.A NZ ASP 68.A OD1 no hydrogen 2.755 N/A LYS 167.A NZ ASP 68.A OD2 no hydrogen 3.320 N/A THR 169.A OG1 THR 169.A O no hydrogen 2.447 N/A THR 171.A N THR 175.A O no hydrogen 2.744 N/A THR 171.A OG1 THR 175.A O no hydrogen 2.536 N/A THR 175.A OG1 GLN 182.A OE1 no hydrogen 3.063 N/A GLN 176.A N GLN 176.A OE1 no hydrogen 2.664 N/A LYS 177.A N THR 169.A O no hydrogen 2.942 N/A THR 178.A OG1 HIS 224.A ND1 no hydrogen 3.404 N/A ASP 180.A N HIS 224.A O no hydrogen 2.972 N/A GLN 182.A NE2 GLY 173.A O no hydrogen 3.188 N/A ILE 183.A N SER 226.A O no hydrogen 2.646 N/A LEU 185.A N HIS 228.A O no hydrogen 3.308 N/A ASP 191.A N ASN 155.A OD1 no hydrogen 3.056 N/A SER 193.A N ASP 191.A OD1 no hydrogen 3.237 N/A SER 193.A OG ASP 191.A OD1 no hydrogen 2.331 N/A LYS 194.A N ASP 191.A O no hydrogen 3.354 N/A LYS 194.A NZ ASP 191.A OD1 no hydrogen 3.368 N/A LYS 194.A NZ ASP 191.A OD2 no hydrogen 3.179 N/A LYS 194.A NZ SER 193.A OG no hydrogen 2.730 N/A SER 195.A OG GLU 192.A O no hydrogen 3.040 N/A SER 199.A OG SER 197.A O no hydrogen 3.519 N/A VAL 206.A N TYR 209.A O no hydrogen 3.273 N/A THR 213.A N VAL 210.A O no hydrogen 3.146 N/A THR 213.A OG1 VAL 210.A O no hydrogen 2.551 N/A THR 218.A OG1 ASP 297.A O no hydrogen 3.330 N/A VAL 219.A N ASP 297.A O no hydrogen 2.967 N/A ALA 221.A N LYS 299.A O no hydrogen 3.310 N/A SER 226.A OG GLN 176.A OE1 no hydrogen 3.231 N/A SER 226.A OG LYS 181.A O no hydrogen 2.304 N/A TRP 227.A N ALA 268.A O no hydrogen 2.622 N/A SER 233.A OG GLY 235.A O no hydrogen 3.362 N/A SER 233.A OG GLU 237.A O no hydrogen 2.475 N/A SER 240.A OG ASN 591.A OD1 no hydrogen 3.174 N/A ILE 241.A N PHE 239.A O no hydrogen 2.979 N/A HIS 242.A ND1 SER 256.A O no hydrogen 2.566 N/A PHE 243.A N SER 256.A O no hydrogen 3.141 N/A ASN 244.A N ILE 279.A O no hydrogen 3.052 N/A ASN 244.A ND2 TYR 418.A OH no hydrogen 2.323 N/A GLN 246.A N ASN 244.A O no hydrogen 2.778 N/A HIS 253.A N GLN 250.A O no hydrogen 2.924 N/A LYS 254.A NZ VAL 247.A O no hydrogen 3.018 N/A LYS 254.A NZ LEU 248.A O no hydrogen 3.271 N/A THR 259.A OG1 PHE 239.A O no hydrogen 3.364 N/A THR 264.A OG1 VAL 261.A O no hydrogen 3.373 N/A SER 265.A OG THR 141.A O no hydrogen 2.383 N/A THR 267.A OG1 TRP 227.A O no hydrogen 2.264 N/A THR 267.A OG1 HIS 228.A ND1 no hydrogen 3.077 N/A ALA 268.A N TRP 227.A O no hydrogen 3.250 N/A MET 270.A N ILE 225.A O no hydrogen 3.268 N/A GLU 275.A N GLU 275.A OE1 no hydrogen 2.726 N/A GLY 276.A N ILE 298.A O no hydrogen 3.038 N/A LYS 277.A NZ ASP 216.A OD2 no hydrogen 2.948 N/A ILE 280.A N ALA 294.A O no hydrogen 2.823 N/A SER 281.A N ASN 244.A OD1 no hydrogen 3.233 N/A SER 281.A OG ASN 244.A OD1 no hydrogen 3.057 N/A THR 284.A OG1 HIS 287.A O no hydrogen 2.346 N/A LYS 286.A NZ THR 589.A O no hydrogen 2.372 N/A HIS 287.A N THR 284.A O no hydrogen 3.018 N/A TYR 295.A N ASP 216.A OD1 no hydrogen 3.055 N/A ILE 296.A N TRP 278.A O no hydrogen 2.799 N/A ASP 297.A N ILE 217.A O no hydrogen 3.134 N/A ILE 298.A N GLY 276.A O no hydrogen 2.938 N/A LYS 299.A NZ THR 218.A OG1 no hydrogen 2.363 N/A CYS 301.A SG ALA 221.A O no hydrogen 3.128 N/A LYS 303.A NZ HIS 222.A O no hydrogen 3.078 N/A LYS 303.A NZ CYS 301.A O no hydrogen 3.262 N/A ASN 307.A N ASN 307.A OD1 no hydrogen 2.649 N/A ASN 307.A ND2 ARG 709.A O no hydrogen 3.412 N/A THR 312.A OG1 ARG 316.A O no hydrogen 3.119 N/A ARG 313.A NH2 GLU 461.A OE1 no hydrogen 2.447 N/A GLU 314.A N THR 312.A O no hydrogen 2.847 N/A GLN 315.A NE2 ALA 703.A O no hydrogen 2.524 N/A ARG 316.A NH1 SER 500.A O no hydrogen 2.431 N/A LYS 320.A NZ ARG 505.A O no hydrogen 2.923 N/A TYR 324.A OH ASP 401.A OD2 no hydrogen 3.202 N/A ILE 326.A N VAL 406.A O no hydrogen 3.348 N/A GLU 329.A N ALA 327.A O no hydrogen 2.712 N/A LYS 346.A NZ GLN 350.A OE1 no hydrogen 3.158 N/A LYS 346.A NZ SER 555.A OG no hydrogen 2.468 N/A TYR 347.A N ASP 344.A O no hydrogen 3.144 N/A ARG 348.A N ASP 344.A O no hydrogen 2.747 N/A ARG 348.A NH2 ARG 348.A O no hydrogen 3.243 N/A HIS 351.A N TYR 347.A O no hydrogen 3.197 N/A LEU 352.A N TYR 347.A O no hydrogen 2.847 N/A SER 356.A OG PHE 355.A O no hydrogen 2.404 N/A SER 356.A OG GLN 358.A OE1 no hydrogen 2.764 N/A ASN 357.A N ASN 354.A O no hydrogen 3.426 N/A TYR 363.A OH HIS 351.A O no hydrogen 2.257 N/A LYS 365.A NZ GLU 525.A OE1 no hydrogen 2.898 N/A LYS 365.A NZ GLU 525.A OE2 no hydrogen 3.239 N/A TYR 368.A OH SER 479.A OG no hydrogen 2.416 N/A THR 369.A OG1 HIS 379.A NE2 no hydrogen 3.002 N/A TYR 371.A N PHE 325.A O no hydrogen 2.918 N/A SER 375.A OG ASP 373.A OD1 no hydrogen 2.935 N/A SER 375.A OG LYS 378.A O no hydrogen 3.518 N/A GLU 387.A N MET 385.A O no hydrogen 2.459 N/A LEU 391.A N ASP 388.A O no hydrogen 3.051 N/A ARG 396.A NH2 GLN 398.A OE1 no hydrogen 3.412 N/A GLN 398.A NE2 ASP 504.A O no hydrogen 3.574 N/A ARG 400.A N ILE 459.A O no hydrogen 2.523 N/A THR 402.A OG1 LYS 320.A O no hydrogen 3.428 N/A THR 402.A OG1 TRP 322.A O no hydrogen 2.855 N/A THR 402.A OG1 ASP 401.A O no hydrogen 2.504 N/A LYS 404.A N THR 402.A O no hydrogen 2.587 N/A VAL 406.A N TYR 324.A O no hydrogen 3.115 N/A PHE 407.A N TYR 453.A O no hydrogen 2.819 N/A LYS 408.A N ILE 326.A O no hydrogen 3.226 N/A ASN 409.A ND2 ARG 413.A O no hydrogen 2.588 N/A ASN 409.A ND2 VAL 447.A O no hydrogen 3.481 N/A ALA 411.A N ASN 409.A OD1 no hydrogen 3.191 N/A ARG 413.A NH1 ASP 486.A OD2 no hydrogen 3.321 N/A TYR 415.A OH TYR 530.A OH no hydrogen 3.011 N/A SER 416.A OG ASP 480.A OD1 no hydrogen 2.262 N/A THR 423.A OG1 GLY 245.A O no hydrogen 3.334 N/A SER 433.A N VAL 431.A O no hydrogen 2.638 N/A SER 437.A OG ASN 441.A O no hydrogen 3.187 N/A ARG 439.A NH2 ARG 439.A O no hydrogen 3.038 N/A GLN 448.A N GLN 448.A OE1 no hydrogen 2.685 N/A GLY 450.A N ASN 409.A O no hydrogen 2.483 N/A GLU 451.A N GLN 448.A O no hydrogen 3.081 N/A TYR 453.A N PHE 407.A O no hydrogen 2.812 N/A TYR 455.A N ILE 405.A O no hydrogen 3.233 N/A LEU 460.A N ASP 463.A OD1 no hydrogen 3.166 N/A THR 466.A OG1 ASP 469.A OD1 no hydrogen 2.696 N/A LEU 473.A N ILE 497.A O no hydrogen 2.929 N/A ARG 475.A N LEU 495.A O no hydrogen 2.976 N/A ARG 475.A NH2 HIS 420.A O no hydrogen 3.270 N/A TYR 478.A N TYR 418.A O no hydrogen 3.161 N/A SER 479.A OG TYR 368.A OH no hydrogen 2.416 N/A ASP 480.A N ASP 480.A OD1 no hydrogen 2.400 N/A ARG 485.A N ASP 482.A OD2 no hydrogen 2.514 N/A ARG 485.A NH1 ASN 526.A O no hydrogen 3.441 N/A ARG 485.A NH2 ASN 526.A O no hydrogen 3.557 N/A ASP 486.A N ASP 482.A OD2 no hydrogen 3.222 N/A SER 489.A N ASP 486.A O no hydrogen 3.243 N/A SER 489.A OG ASP 486.A O no hydrogen 2.677 N/A GLY 490.A N ILE 487.A O no hydrogen 3.419 N/A LEU 491.A N ASP 486.A O no hydrogen 3.253 N/A GLY 493.A N TYR 477.A O no hydrogen 2.976 N/A LEU 495.A N ARG 475.A O no hydrogen 2.836 N/A ILE 497.A N LEU 473.A O no hydrogen 3.057 N/A CYS 498.A SG LEU 496.A O no hydrogen 3.552 N/A LYS 499.A NZ GLU 467.A O no hydrogen 2.833 N/A SER 500.A OG SER 500.A O no hydrogen 2.575 N/A ARG 506.A NH1 GLY 507.A O no hydrogen 3.345 N/A GLY 507.A N ASP 504.A OD1 no hydrogen 2.811 N/A PHE 520.A N CYS 585.A O no hydrogen 3.212 N/A ASN 526.A N ASP 524.A OD2 no hydrogen 2.819 N/A LYS 527.A N ASP 524.A O no hydrogen 3.149 N/A SER 528.A N ASP 524.A O no hydrogen 3.379 N/A SER 528.A OG ASP 524.A O no hydrogen 3.535 N/A TYR 530.A OH TYR 415.A OH no hydrogen 3.011 N/A GLU 532.A N GLU 532.A OE1 no hydrogen 2.691 N/A ASP 533.A N TYR 530.A O no hydrogen 3.312 N/A ASN 534.A ND2 GLU 525.A OE1 no hydrogen 3.292 N/A LYS 537.A N GLU 532.A O no hydrogen 3.200 N/A CYS 539.A N LYS 537.A O no hydrogen 2.703 N/A CYS 539.A SG ILE 535.A O no hydrogen 3.298 N/A CYS 539.A SG ASN 541.A OD1 no hydrogen 3.139 N/A ASN 541.A ND2 GLU 544.A OE1 no hydrogen 3.558 N/A ARG 547.A N VAL 545.A O no hydrogen 2.774 N/A ARG 547.A NE LYS 546.A O no hydrogen 3.374 N/A ARG 547.A NH2 ASN 526.A OD1 no hydrogen 3.191 N/A GLU 554.A N PRO 550.A O no hydrogen 3.279 N/A SER 555.A N LYS 551.A O no hydrogen 3.271 N/A SER 555.A OG LYS 551.A O no hydrogen 2.601 N/A ASN 556.A N TYR 553.A O no hydrogen 3.224 N/A ILE 557.A N TYR 553.A O no hydrogen 3.232 N/A THR 560.A N ALA 521.A O no hydrogen 3.452 N/A ILE 561.A N TYR 564.A O no hydrogen 2.992 N/A TYR 564.A N ILE 561.A O no hydrogen 2.832 N/A TYR 564.A OH LYS 386.A O no hydrogen 2.822 N/A VAL 565.A N TYR 335.A O no hydrogen 3.144 N/A SER 568.A OG ILE 561.A O no hydrogen 3.532 N/A THR 570.A OG1 THR 571.A O no hydrogen 3.360 N/A CYS 575.A N ASP 578.A OD2 no hydrogen 2.691 N/A CYS 575.A SG PHE 576.A O no hydrogen 3.648 N/A CYS 575.A SG ASP 578.A OD1 no hydrogen 3.367 N/A CYS 575.A SG ASP 578.A OD2 no hydrogen 3.206 N/A CYS 575.A SG GLU 666.A OE1 no hydrogen 3.680 N/A CYS 575.A SG GLU 666.A OE2 no hydrogen 3.254 N/A GLN 581.A NE2 CYS 472.A O no hydrogen 2.566 N/A GLN 581.A NE2 SER 622.A OG no hydrogen 2.328 N/A HIS 583.A N GLN 516.A O no hydrogen 3.080 N/A PHE 584.A N GLU 621.A O no hydrogen 3.134 N/A CYS 585.A N ALA 518.A O no hydrogen 2.953 N/A SER 586.A OG CYS 585.A O no hydrogen 2.747 N/A THR 589.A OG1 THR 589.A O no hydrogen 2.515 N/A ASN 591.A ND2 HIS 287.A ND1 no hydrogen 3.157 N/A GLU 592.A N GLU 592.A OE1 no hydrogen 2.678 N/A THR 595.A OG1 LEU 613.A O no hydrogen 3.164 N/A THR 599.A OG1 HIS 597.A ND1 no hydrogen 3.237 N/A HIS 601.A ND1 THR 599.A O no hydrogen 3.011 N/A SER 602.A OG HIS 609.A NE2 no hydrogen 2.468 N/A PHE 603.A N GLU 610.A O no hydrogen 3.098 N/A ARG 608.A N TYR 605.A O no hydrogen 3.378 N/A GLU 610.A N GLU 610.A OE1 no hydrogen 2.667 N/A THR 612.A OG1 ILE 596.A O no hydrogen 2.304 N/A THR 612.A OG1 LEU 613.A O no hydrogen 3.342 N/A ARG 619.A NH2 GLY 620.A O no hydrogen 3.066 N/A GLU 621.A N PHE 584.A O no hydrogen 3.446 N/A SER 622.A OG CYS 472.A O no hydrogen 3.568 N/A SER 622.A OG HIS 583.A NE2 no hydrogen 3.043 N/A VAL 623.A N TRP 582.A O no hydrogen 2.955 N/A ASN 629.A ND2 GLY 600.A O no hydrogen 2.758 N/A VAL 630.A N ASN 629.A OD1 no hydrogen 2.465 N/A GLY 631.A N ASP 653.A O no hydrogen 2.779 N/A THR 632.A OG1 PHE 651.A O no hydrogen 2.772 N/A THR 636.A OG1 SER 637.A O no hydrogen 3.226 N/A SER 637.A OG ARG 643.A O no hydrogen 2.583 N/A ASN 639.A ND2 SER 637.A OG no hydrogen 3.215 N/A ASN 639.A ND2 ARG 643.A O no hydrogen 3.408 N/A LYS 645.A N SER 641.A O no hydrogen 3.334 N/A ASP 653.A N GLY 631.A O no hydrogen 3.006 N/A LYS 655.A NZ ASN 629.A O no hydrogen 3.044 N/A LYS 655.A NZ ASP 653.A OD1 no hydrogen 3.537 N/A SER 664.A OG ASP 660.A OD1 no hydrogen 3.106 N/A SER 664.A OG ASP 660.A OD2 no hydrogen 3.516 N/A ARG 679.A NH2 THR 678.A O no hydrogen 3.026 N/A LEU 685.A N ASP 689.A OD1 no hydrogen 2.747 N/A