>>3OEE:HELIX 113 113 ARG F 190 GLY F 205 1 16
RTREGNDLYREMKETG
Search OCA for entries with sequence similar to this one (with E=10)
HELIX 113 113 ARG F 190 GLY F 205 1 16
ATOM 19389 N ARG F 190 33.710 -18.902 25.275 1.00 56.79 N
ANISOU19389 N ARG F 190 8556 6690 6329 49 1603 -506 N
ATOM 19390 CA ARG F 190 33.484 -20.325 25.072 1.00 56.05 C
ANISOU19390 CA ARG F 190 8563 6553 6180 98 1570 -585 C
ATOM 19391 C ARG F 190 34.726 -21.004 24.510 1.00 57.61 C
ANISOU19391 C ARG F 190 8764 6731 6392 175 1756 -645 C
ATOM 19392 O ARG F 190 35.246 -20.595 23.471 1.00 59.01 O
ANISOU19392 O ARG F 190 9017 6921 6481 179 1909 -640 O
ATOM 19393 CB ARG F 190 32.311 -20.523 24.123 1.00 55.88 C
ANISOU19393 CB ARG F 190 8754 6514 5961 67 1486 -596 C
ATOM 19394 CG ARG F 190 30.966 -20.073 24.668 1.00 53.12 C
ANISOU19394 CG ARG F 190 8404 6179 5598 1 1287 -552 C
ATOM 19395 CD ARG F 190 29.909 -20.370 23.640 1.00 50.78 C
ANISOU19395 CD ARG F 190 8318 5867 5110 -21 1210 -572 C
ATOM 19396 NE ARG F 190 28.576 -19.914 23.987 1.00 47.62 N
ANISOU19396 NE ARG F 190 7926 5483 4683 -82 1026 -533 N
ATOM 19397 CZ ARG F 190 28.250 -18.648 24.161 1.00 46.89 C
ANISOU19397 CZ ARG F 190 7778 5427 4610 -124 990 -456 C
ATOM 19398 NH1 ARG F 190 29.178 -17.719 24.061 1.00 49.15 N
ANISOU19398 NH1 ARG F 190 7996 5731 4947 -120 1124 -407 N
ATOM 19399 NH2 ARG F 190 27.007 -18.311 24.465 1.00 46.67 N
ANISOU19399 NH2 ARG F 190 7757 5414 4562 -171 820 -430 N
ATOM 19400 N THR F 191 35.210 -22.039 25.179 1.00 57.05 N
ANISOU19400 N THR F 191 8613 6629 6432 237 1747 -700 N
ATOM 19401 CA THR F 191 36.396 -22.689 24.684 1.00 58.54 C
ANISOU19401 CA THR F 191 8792 6797 6651 318 1922 -763 C
ATOM 19402 C THR F 191 36.186 -23.158 23.237 1.00 60.19 C
ANISOU19402 C THR F 191 9225 6981 6662 337 2007 -818 C
ATOM 19403 O THR F 191 37.068 -23.000 22.375 1.00 61.72 O
ANISOU19403 O THR F 191 9448 7190 6813 370 2198 -839 O
ATOM 19404 CB THR F 191 36.800 -23.819 25.584 1.00 58.15 C
ANISOU19404 CB THR F 191 8647 6707 6741 388 1876 -813 C
ATOM 19405 OG1 THR F 191 37.050 -23.287 26.881 1.00 57.35 O
ANISOU19405 OG1 THR F 191 8341 6641 6806 369 1804 -759 O
ATOM 19406 CG2 THR F 191 38.070 -24.437 25.095 1.00 60.29 C
ANISOU19406 CG2 THR F 191 8890 6957 7059 482 2060 -880 C
ATOM 19407 N ARG F 192 35.001 -23.704 22.982 1.00 59.83 N
ANISOU19407 N ARG F 192 9337 6900 6493 310 1864 -843 N
ATOM 19408 CA ARG F 192 34.569 -24.077 21.647 1.00 60.88 C
ANISOU19408 CA ARG F 192 9698 7013 6418 313 1903 -894 C
ATOM 19409 C ARG F 192 34.669 -22.924 20.619 1.00 61.79 C
ANISOU19409 C ARG F 192 9896 7183 6396 271 2015 -837 C
ATOM 19410 O ARG F 192 35.024 -23.161 19.457 1.00 63.35 O
ANISOU19410 O ARG F 192 10236 7379 6452 301 2151 -884 O
ATOM 19411 CB ARG F 192 33.148 -24.614 21.703 1.00 59.66 C
ANISOU19411 CB ARG F 192 9669 6824 6173 268 1698 -912 C
ATOM 19412 CG ARG F 192 32.423 -24.515 20.399 1.00 60.77 C
ANISOU19412 CG ARG F 192 10035 6969 6085 237 1690 -931 C
ATOM 19413 CD ARG F 192 30.945 -24.638 20.586 1.00 61.41 C
ANISOU19413 CD ARG F 192 10194 7038 6101 172 1470 -920 C
ATOM 19414 NE ARG F 192 30.280 -23.381 20.950 1.00 60.42 N
ANISOU19414 NE ARG F 192 10004 6968 5983 99 1375 -816 N
ATOM 19415 CZ ARG F 192 29.942 -22.431 20.083 1.00 59.90 C
ANISOU19415 CZ ARG F 192 10040 6943 5777 61 1392 -763 C
ATOM 19416 NH1 ARG F 192 30.251 -22.552 18.804 1.00 61.98 N
ANISOU19416 NH1 ARG F 192 10472 7207 5870 85 1510 -799 N
ATOM 19417 NH2 ARG F 192 29.310 -21.348 20.494 1.00 58.66 N
ANISOU19417 NH2 ARG F 192 9816 6824 5646 3 1294 -674 N
ATOM 19418 N GLU F 193 34.351 -21.696 21.035 1.00 60.47 N
ANISOU19418 N GLU F 193 9646 7061 6268 203 1959 -738 N
ATOM 19419 CA GLU F 193 34.468 -20.539 20.145 1.00 61.11 C
ANISOU19419 CA GLU F 193 9797 7185 6238 160 2060 -668 C
ATOM 19420 C GLU F 193 35.907 -20.306 19.720 1.00 62.67 C
ANISOU19420 C GLU F 193 9927 7404 6481 200 2304 -673 C
ATOM 19421 O GLU F 193 36.158 -19.945 18.572 1.00 64.01 O
ANISOU19421 O GLU F 193 10226 7594 6500 193 2440 -661 O
ATOM 19422 CB GLU F 193 33.889 -19.286 20.776 1.00 59.51 C
ANISOU19422 CB GLU F 193 9504 7012 6095 86 1949 -564 C
ATOM 19423 CG GLU F 193 32.510 -18.967 20.267 1.00 59.53 C
ANISOU19423 CG GLU F 193 9668 7015 5935 33 1794 -531 C
ATOM 19424 CD GLU F 193 31.647 -18.222 21.271 1.00 59.48 C
ANISOU19424 CD GLU F 193 9553 7020 6025 -22 1615 -465 C
ATOM 19425 OE1 GLU F 193 32.185 -17.520 22.165 1.00 59.57 O
ANISOU19425 OE1 GLU F 193 9380 7050 6204 -36 1639 -419 O
ATOM 19426 OE2 GLU F 193 30.406 -18.338 21.161 1.00 59.73 O
ANISOU19426 OE2 GLU F 193 9682 7046 5964 -53 1447 -464 O
ATOM 19427 N GLY F 194 36.838 -20.530 20.645 1.00 62.40 N
ANISOU19427 N GLY F 194 9688 7368 6651 240 2356 -692 N
ATOM 19428 CA GLY F 194 38.260 -20.549 20.338 1.00 64.06 C
ANISOU19428 CA GLY F 194 9809 7596 6933 291 2584 -717 C
ATOM 19429 C GLY F 194 38.625 -21.606 19.312 1.00 66.08 C
ANISOU19429 C GLY F 194 10214 7828 7064 365 2712 -819 C
ATOM 19430 O GLY F 194 39.427 -21.364 18.421 1.00 67.98 O
ANISOU19430 O GLY F 194 10491 8096 7239 382 2918 -826 O
ATOM 19431 N ASN F 195 38.029 -22.786 19.447 1.00 66.13 N
ANISOU19431 N ASN F 195 10306 7780 7038 407 2592 -899 N
ATOM 19432 CA ASN F 195 38.224 -23.898 18.524 1.00 67.66 C
ANISOU19432 CA ASN F 195 10659 7936 7111 478 2683 -1011 C
ATOM 19433 C ASN F 195 37.689 -23.526 17.137 1.00 69.09 C
ANISOU19433 C ASN F 195 11077 8142 7031 439 2734 -1004 C
ATOM 19434 O ASN F 195 38.377 -23.718 16.134 1.00 71.08 O
ANISOU19434 O ASN F 195 11419 8410 7178 481 2927 -1055 O
ATOM 19435 CB ASN F 195 37.527 -25.139 19.105 1.00 66.94 C
ANISOU19435 CB ASN F 195 10606 7771 7056 512 2506 -1083 C
ATOM 19436 CG ASN F 195 37.801 -26.408 18.325 1.00 68.27 C
ANISOU19436 CG ASN F 195 10916 7883 7139 596 2590 -1214 C
ATOM 19437 OD1 ASN F 195 37.211 -26.642 17.270 1.00 69.09 O
ANISOU19437 OD1 ASN F 195 11237 7978 7034 583 2589 -1259 O
ATOM 19438 ND2 ASN F 195 38.666 -27.259 18.865 1.00 67.83 N
ANISOU19438 ND2 ASN F 195 10740 7783 7247 687 2649 -1279 N
ATOM 19439 N ASP F 196 36.473 -22.970 17.110 1.00 68.46 N
ANISOU19439 N ASP F 196 11091 8071 6849 359 2559 -938 N
ATOM 19440 CA ASP F 196 35.822 -22.422 15.911 1.00 69.99 C
ANISOU19440 CA ASP F 196 11500 8294 6798 310 2566 -905 C
ATOM 19441 C ASP F 196 36.659 -21.365 15.179 1.00 71.17 C
ANISOU19441 C ASP F 196 11647 8502 6890 289 2778 -833 C
ATOM 19442 O ASP F 196 36.538 -21.210 13.965 1.00 72.96 O
ANISOU19442 O ASP F 196 12069 8752 6898 280 2862 -835 O
ATOM 19443 CB ASP F 196 34.488 -21.758 16.287 1.00 68.97 C
ANISOU19443 CB ASP F 196 11400 8171 6635 228 2336 -822 C
ATOM 19444 CG ASP F 196 33.296 -22.723 16.291 1.00 70.48 C
ANISOU19444 CG ASP F 196 11720 8315 6743 225 2134 -893 C
ATOM 19445 OD1 ASP F 196 33.378 -23.858 15.757 1.00 73.59 O
ANISOU19445 OD1 ASP F 196 12233 8668 7056 278 2166 -1006 O
ATOM 19446 OD2 ASP F 196 32.247 -22.316 16.836 1.00 70.74 O
ANISOU19446 OD2 ASP F 196 11731 8350 6795 165 1939 -836 O
ATOM 19447 N LEU F 197 37.477 -20.623 15.918 1.00 70.34 N
ANISOU19447 N LEU F 197 11327 8421 6978 276 2858 -767 N
ATOM 19448 CA LEU F 197 38.275 -19.552 15.343 1.00 71.35 C
ANISOU19448 CA LEU F 197 11429 8597 7080 243 3055 -687 C
ATOM 19449 C LEU F 197 39.665 -20.031 14.940 1.00 73.43 C
ANISOU19449 C LEU F 197 11631 8877 7390 313 3311 -757 C
ATOM 19450 O LEU F 197 40.220 -19.572 13.946 1.00 75.26 O
ANISOU19450 O LEU F 197 11944 9149 7501 301 3507 -732 O
ATOM 19451 CB LEU F 197 38.396 -18.395 16.320 1.00 69.67 C
ANISOU19451 CB LEU F 197 11018 8400 7053 180 3004 -577 C
ATOM 19452 CG LEU F 197 39.197 -17.183 15.859 1.00 70.74 C
ANISOU19452 CG LEU F 197 11106 8576 7196 129 3193 -481 C
ATOM 19453 CD1 LEU F 197 38.299 -16.149 15.200 1.00 71.67 C
ANISOU19453 CD1 LEU F 197 11387 8702 7142 51 3123 -372 C
ATOM 19454 CD2 LEU F 197 39.902 -16.572 17.037 1.00 70.65 C
ANISOU19454 CD2 LEU F 197 10823 8569 7449 108 3202 -439 C
ATOM 19455 N TYR F 198 40.237 -20.945 15.711 1.00 73.30 N
ANISOU19455 N TYR F 198 11467 8831 7551 387 3312 -843 N
ATOM 19456 CA TYR F 198 41.550 -21.462 15.379 1.00 75.28 C
ANISOU19456 CA TYR F 198 11643 9096 7864 465 3547 -919 C
ATOM 19457 C TYR F 198 41.444 -22.343 14.138 1.00 77.66 C
ANISOU19457 C TYR F 198 12179 9386 7940 520 3641 -1023 C
ATOM 19458 O TYR F 198 42.396 -22.456 13.369 1.00 79.77 O
ANISOU19458 O TYR F 198 12461 9684 8160 563 3879 -1067 O
ATOM 19459 CB TYR F 198 42.145 -22.207 16.565 1.00 74.21 C
ANISOU19459 CB TYR F 198 11288 8926 7981 537 3503 -979 C
ATOM 19460 CG TYR F 198 43.482 -22.867 16.308 1.00 75.94 C
ANISOU19460 CG TYR F 198 11412 9151 8289 635 3727 -1070 C
ATOM 19461 CD1 TYR F 198 44.592 -22.133 15.865 1.00 76.43 C
ANISOU19461 CD1 TYR F 198 11374 9274 8391 623 3967 -1035 C
ATOM 19462 CD2 TYR F 198 43.644 -24.234 16.537 1.00 76.48 C
ANISOU19462 CD2 TYR F 198 11482 9160 8415 740 3698 -1192 C
ATOM 19463 CE1 TYR F 198 45.828 -22.754 15.651 1.00 77.95 C
ANISOU19463 CE1 TYR F 198 11461 9476 8678 718 4176 -1125 C
ATOM 19464 CE2 TYR F 198 44.861 -24.863 16.329 1.00 78.24 C
ANISOU19464 CE2 TYR F 198 11609 9384 8734 841 3897 -1281 C
ATOM 19465 CZ TYR F 198 45.952 -24.126 15.885 1.00 79.38 C
ANISOU19465 CZ TYR F 198 11646 9598 8916 832 4137 -1251 C
ATOM 19466 OH TYR F 198 47.146 -24.792 15.685 1.00 80.65 O
ANISOU19466 OH TYR F 198 11701 9762 9179 938 4335 -1348 O
ATOM 19467 N ARG F 199 40.273 -22.947 13.941 1.00 77.63 N
ANISOU19467 N ARG F 199 12358 9341 7796 515 3455 -1064 N
ATOM 19468 CA ARG F 199 39.964 -23.652 12.701 1.00 79.77 C
ANISOU19468 CA ARG F 199 12884 9603 7819 548 3511 -1157 C
ATOM 19469 C ARG F 199 39.777 -22.646 11.572 1.00 81.13 C
ANISOU19469 C ARG F 199 13221 9839 7763 480 3607 -1073 C
ATOM 19470 O ARG F 199 40.098 -22.931 10.421 1.00 83.11 O
ANISOU19470 O ARG F 199 13637 10115 7823 511 3771 -1133 O
ATOM 19471 CB ARG F 199 38.690 -24.483 12.863 1.00 78.95 C
ANISOU19471 CB ARG F 199 12919 9436 7640 545 3263 -1215 C
ATOM 19472 CG ARG F 199 38.229 -25.214 11.593 1.00 81.30 C
ANISOU19472 CG ARG F 199 13496 9723 7672 571 3286 -1318 C
ATOM 19473 CD ARG F 199 36.908 -25.932 11.809 1.00 80.99 C
ANISOU19473 CD ARG F 199 13577 9621 7574 550 3023 -1365 C
ATOM 19474 NE ARG F 199 37.101 -27.192 12.527 1.00 82.22 N
ANISOU19474 NE ARG F 199 13654 9693 7892 624 2970 -1474 N
ATOM 19475 CZ ARG F 199 36.937 -27.360 13.842 1.00 80.28 C
ANISOU19475 CZ ARG F 199 13225 9407 7869 620 2826 -1441 C
ATOM 19476 NH1 ARG F 199 36.567 -26.339 14.604 1.00 77.96 N
ANISOU19476 NH1 ARG F 199 12803 9152 7666 545 2722 -1310 N
ATOM 19477 NH2 ARG F 199 37.145 -28.557 14.394 1.00 79.65 N
ANISOU19477 NH2 ARG F 199 13096 9245 7920 692 2788 -1538 N
ATOM 19478 N GLU F 200 39.249 -21.474 11.919 1.00 80.13 N
ANISOU19478 N GLU F 200 13053 9737 7656 389 3503 -934 N
ATOM 19479 CA GLU F 200 38.922 -20.443 10.943 1.00 81.55 C
ANISOU19479 CA GLU F 200 13392 9964 7626 317 3554 -832 C
ATOM 19480 C GLU F 200 40.173 -19.763 10.377 1.00 83.21 C
ANISOU19480 C GLU F 200 13544 10231 7838 311 3845 -784 C
ATOM 19481 O GLU F 200 40.364 -19.723 9.156 1.00 85.04 O
ANISOU19481 O GLU F 200 13962 10502 7845 314 4001 -795 O
ATOM 19482 CB GLU F 200 37.952 -19.416 11.555 1.00 79.84 C
ANISOU19482 CB GLU F 200 13139 9744 7452 229 3343 -701 C
ATOM 19483 CG GLU F 200 37.222 -18.505 10.548 1.00 82.51 C
ANISOU19483 CG GLU F 200 13688 10114 7546 161 3314 -599 C
ATOM 19484 CD GLU F 200 36.496 -19.279 9.436 1.00 86.30 C
ANISOU19484 CD GLU F 200 14447 10595 7745 186 3264 -682 C
ATOM 19485 OE1 GLU F 200 36.062 -20.439 9.677 1.00 86.06 O
ANISOU19485 OE1 GLU F 200 14450 10523 7724 234 3146 -804 O
ATOM 19486 OE2 GLU F 200 36.363 -18.722 8.317 1.00 88.66 O
ANISOU19486 OE2 GLU F 200 14937 10935 7813 154 3340 -624 O
ATOM 19487 N MET F 201 41.022 -19.244 11.264 1.00 82.59 N
ANISOU19487 N MET F 201 13209 10159 8010 301 3919 -735 N
ATOM 19488 CA MET F 201 42.226 -18.525 10.844 1.00 84.29 C
ANISOU19488 CA MET F 201 13336 10427 8263 282 4191 -681 C
ATOM 19489 C MET F 201 43.217 -19.469 10.151 1.00 86.46 C
ANISOU19489 C MET F 201 13636 10723 8491 374 4429 -810 C
ATOM 19490 O MET F 201 44.049 -19.028 9.349 1.00 88.49 O
ANISOU19490 O MET F 201 13914 11034 8675 361 4679 -783 O
ATOM 19491 CB MET F 201 42.901 -17.793 12.009 1.00 83.03 C
ANISOU19491 CB MET F 201 12882 10266 8398 248 4198 -610 C
ATOM 19492 CG MET F 201 41.993 -17.376 13.143 1.00 81.01 C
ANISOU19492 CG MET F 201 12536 9972 8269 201 3926 -548 C
ATOM 19493 SD MET F 201 42.232 -15.680 13.724 1.00 81.95 S
ANISOU19493 SD MET F 201 12488 10105 8543 90 3933 -383 S
ATOM 19494 CE MET F 201 41.216 -14.849 12.512 1.00 83.32 C
ANISOU19494 CE MET F 201 12954 10286 8415 16 3895 -274 C
ATOM 19495 N LYS F 202 43.122 -20.761 10.470 1.00 86.06 N
ANISOU19495 N LYS F 202 13584 10627 8488 465 4352 -949 N
ATOM 19496 CA LYS F 202 43.833 -21.801 9.737 1.00 87.90 C
ANISOU19496 CA LYS F 202 13885 10865 8645 564 4543 -1092 C
ATOM 19497 C LYS F 202 43.262 -21.909 8.330 1.00 89.79 C
ANISOU19497 C LYS F 202 14438 11132 8544 551 4591 -1117 C
ATOM 19498 O LYS F 202 43.996 -21.791 7.339 1.00 92.24 O
ANISOU19498 O LYS F 202 14826 11499 8722 565 4844 -1135 O
ATOM 19499 CB LYS F 202 43.711 -23.148 10.452 1.00 86.95 C
ANISOU19499 CB LYS F 202 13708 10672 8656 661 4413 -1228 C
ATOM 19500 CG LYS F 202 44.992 -23.653 11.105 1.00 87.15 C
ANISOU19500 CG LYS F 202 13482 10690 8940 749 4556 -1297 C
ATOM 19501 CD LYS F 202 44.708 -24.570 12.303 1.00 85.52 C
ANISOU19501 CD LYS F 202 13154 10404 8935 810 4347 -1359 C
ATOM 19502 CE LYS F 202 43.752 -25.717 11.985 1.00 85.19 C
ANISOU19502 CE LYS F 202 13330 10291 8746 853 4193 -1468 C
ATOM 19503 NZ LYS F 202 42.894 -26.049 13.166 1.00 83.18 N
ANISOU19503 NZ LYS F 202 13008 9969 8626 837 3909 -1446 N
ATOM 19504 N GLU F 203 41.947 -22.109 8.248 1.00 88.84 N
ANISOU19504 N GLU F 203 14495 10975 8281 522 4348 -1115 N
ATOM 19505 CA GLU F 203 41.279 -22.338 6.963 1.00 90.67 C
ANISOU19505 CA GLU F 203 15036 11228 8185 515 4349 -1154 C
ATOM 19506 C GLU F 203 41.371 -21.164 5.979 1.00 92.03 C
ANISOU19506 C GLU F 203 15336 11475 8153 437 4490 -1025 C
ATOM 19507 O GLU F 203 41.475 -21.382 4.773 1.00 94.16 O
ANISOU19507 O GLU F 203 15820 11787 8168 455 4631 -1073 O
ATOM 19508 CB GLU F 203 39.828 -22.809 7.159 1.00 89.20 C
ANISOU19508 CB GLU F 203 14991 10986 7912 496 4040 -1181 C
ATOM 19509 CG GLU F 203 39.728 -24.323 7.416 1.00 90.06 C
ANISOU19509 CG GLU F 203 15119 11024 8076 588 3967 -1357 C
ATOM 19510 CD GLU F 203 38.295 -24.860 7.481 1.00 89.90 C
ANISOU19510 CD GLU F 203 15254 10949 7952 563 3677 -1395 C
ATOM 19511 OE1 GLU F 203 37.334 -24.059 7.549 1.00 89.02 O
ANISOU19511 OE1 GLU F 203 15195 10854 7772 478 3503 -1281 O
ATOM 19512 OE2 GLU F 203 38.138 -26.102 7.466 1.00 89.88 O
ANISOU19512 OE2 GLU F 203 15317 10884 7948 629 3624 -1543 O
ATOM 19513 N THR F 204 41.349 -19.936 6.496 1.00 90.94 N
ANISOU19513 N THR F 204 15072 11351 8127 353 4454 -864 N
ATOM 19514 CA THR F 204 41.511 -18.741 5.662 1.00 92.47 C
ANISOU19514 CA THR F 204 15366 11605 8162 273 4593 -722 C
ATOM 19515 C THR F 204 42.976 -18.453 5.328 1.00 94.48 C
ANISOU19515 C THR F 204 15500 11913 8482 284 4928 -715 C
ATOM 19516 O THR F 204 43.264 -17.763 4.354 1.00 96.53 O
ANISOU19516 O THR F 204 15888 12229 8558 236 5106 -633 O
ATOM 19517 CB THR F 204 40.890 -17.488 6.303 1.00 90.69 C
ANISOU19517 CB THR F 204 15064 11363 8031 176 4424 -550 C
ATOM 19518 OG1 THR F 204 41.511 -17.235 7.571 1.00 89.48 O
ANISOU19518 OG1 THR F 204 14606 11184 8207 172 4421 -529 O
ATOM 19519 CG2 THR F 204 39.382 -17.666 6.489 1.00 89.10 C
ANISOU19519 CG2 THR F 204 14996 11120 7736 159 4104 -547 C
ATOM 19520 N GLY F 205 43.895 -18.981 6.133 1.00 94.15 N
ATOM 19521 CA GLY F 205 45.329 -18.845 5.861 1.00 96.17 C
ATOM 19522 C GLY F 205 46.031 -17.777 6.683 1.00 95.42 C
ATOM 19523 O GLY F 205 47.267 -17.679 6.664 1.00 96.89 O