>>4ORA:HELIX    6   6 PHE A  134  TYR A  149  1                                  16    
FSIECVLYLWVLKILY
Search OCA for entries with sequence similar to this one (with E=10)

HELIX 6 6 PHE A 134 TYR A 149 1 16 ATOM 944 N PHE A 134 -18.693 38.084 8.587 1.00 22.51 N ANISOU 944 N PHE A 134 3968 1955 2631 -288 -1059 918 N ATOM 945 CA PHE A 134 -19.049 36.679 8.333 1.00 23.83 C ANISOU 945 CA PHE A 134 4094 2203 2756 -290 -1055 881 C ATOM 946 C PHE A 134 -19.317 35.920 9.637 1.00 26.06 C ANISOU 946 C PHE A 134 4298 2482 3122 -305 -1051 801 C ATOM 947 O PHE A 134 -18.953 34.760 9.800 1.00 30.02 O ANISOU 947 O PHE A 134 4757 3029 3622 -356 -995 784 O ATOM 948 CB PHE A 134 -17.986 35.981 7.501 1.00 21.73 C ANISOU 948 CB PHE A 134 3832 2008 2416 -360 -961 936 C ATOM 949 CG PHE A 134 -17.568 36.770 6.326 1.00 23.13 C ANISOU 949 CG PHE A 134 4081 2197 2510 -360 -950 1030 C ATOM 950 CD1 PHE A 134 -18.294 36.704 5.140 1.00 24.13 C ANISOU 950 CD1 PHE A 134 4268 2374 2526 -301 -1014 1055 C ATOM 951 CD2 PHE A 134 -16.489 37.633 6.408 1.00 23.66 C ANISOU 951 CD2 PHE A 134 4155 2230 2603 -420 -884 1096 C ATOM 952 CE1 PHE A 134 -17.930 37.462 4.047 1.00 25.62 C ANISOU 952 CE1 PHE A 134 4526 2580 2629 -300 -1002 1155 C ATOM 953 CE2 PHE A 134 -16.112 38.382 5.325 1.00 25.17 C ANISOU 953 CE2 PHE A 134 4417 2430 2717 -430 -873 1197 C ATOM 954 CZ PHE A 134 -16.841 38.304 4.138 1.00 26.16 C ANISOU 954 CZ PHE A 134 4606 2605 2730 -368 -928 1232 C ATOM 955 N SER A 135 -19.976 36.601 10.558 1.00 23.59 N ANISOU 955 N SER A 135 3973 2112 2877 -253 -1113 757 N ATOM 956 CA SER A 135 -20.297 36.039 11.842 1.00 19.47 C ANISOU 956 CA SER A 135 3381 1589 2426 -261 -1116 692 C ATOM 957 C SER A 135 -21.251 34.860 11.731 1.00 22.84 C ANISOU 957 C SER A 135 3771 2072 2834 -243 -1172 657 C ATOM 958 O SER A 135 -20.996 33.803 12.296 1.00 25.98 O ANISOU 958 O SER A 135 4102 2507 3261 -307 -1100 623 O ATOM 959 CB SER A 135 -20.912 37.121 12.723 1.00 19.92 C ANISOU 959 CB SER A 135 3448 1577 2543 -187 -1190 651 C ATOM 960 OG SER A 135 -19.977 38.152 13.008 1.00 24.34 O ANISOU 960 OG SER A 135 4045 2077 3127 -224 -1148 678 O ATOM 961 N ILE A 136 -22.355 35.041 11.018 1.00 20.00 N ANISOU 961 N ILE A 136 3416 1756 2426 -155 -1270 627 N ATOM 962 CA ILE A 136 -23.347 33.981 10.901 1.00 19.96 C ANISOU 962 CA ILE A 136 3301 1874 2408 -151 -1273 519 C ATOM 963 C ILE A 136 -22.748 32.716 10.260 1.00 20.19 C ANISOU 963 C ILE A 136 3330 1949 2393 -243 -1190 518 C ATOM 964 O ILE A 136 -23.124 31.596 10.606 1.00 21.61 O ANISOU 964 O ILE A 136 3424 2186 2601 -293 -1149 436 O ATOM 965 CB ILE A 136 -24.617 34.450 10.151 1.00 21.21 C ANISOU 965 CB ILE A 136 3445 2100 2513 -37 -1397 476 C ATOM 966 CG1 ILE A 136 -25.710 33.393 10.214 1.00 21.32 C ANISOU 966 CG1 ILE A 136 3318 2253 2528 -53 -1404 351 C ATOM 967 CG2 ILE A 136 -24.307 34.707 8.707 1.00 23.56 C ANISOU 967 CG2 ILE A 136 3852 2396 2702 -19 -1437 558 C ATOM 968 CD1 ILE A 136 -26.008 32.898 11.595 1.00 20.60 C ANISOU 968 CD1 ILE A 136 3110 2190 2527 -99 -1343 279 C ATOM 969 N GLU A 137 -21.796 32.881 9.350 1.00 19.77 N ANISOU 969 N GLU A 137 3373 1866 2271 -266 -1163 608 N ATOM 970 CA GLU A 137 -21.142 31.719 8.767 1.00 19.53 C ANISOU 970 CA GLU A 137 3345 1879 2195 -333 -1079 596 C ATOM 971 C GLU A 137 -20.278 31.015 9.793 1.00 18.46 C ANISOU 971 C GLU A 137 3168 1705 2141 -405 -974 594 C ATOM 972 O GLU A 137 -20.235 29.788 9.813 1.00 20.61 O ANISOU 972 O GLU A 137 3403 2005 2422 -445 -919 531 O ATOM 973 CB GLU A 137 -20.292 32.097 7.562 1.00 20.23 C ANISOU 973 CB GLU A 137 3536 1973 2176 -336 -1064 694 C ATOM 974 CG GLU A 137 -21.084 32.479 6.350 1.00 21.47 C ANISOU 974 CG GLU A 137 3742 2193 2222 -268 -1161 695 C ATOM 975 CD GLU A 137 -21.461 33.956 6.348 1.00 31.81 C ANISOU 975 CD GLU A 137 5110 3441 3535 -195 -1252 772 C ATOM 976 OE1 GLU A 137 -21.155 34.634 7.358 1.00 29.60 O ANISOU 976 OE1 GLU A 137 4805 3077 3363 -204 -1215 782 O ATOM 977 OE2 GLU A 137 -22.052 34.436 5.337 1.00 36.43 O ANISOU 977 OE2 GLU A 137 5733 4075 4034 -125 -1321 785 O ATOM 978 N CYS A 138 -19.583 31.789 10.630 1.00 18.01 N ANISOU 978 N CYS A 138 3124 1579 2141 -419 -953 662 N ATOM 979 CA CYS A 138 -18.818 31.226 11.743 1.00 17.11 C ANISOU 979 CA CYS A 138 2961 1440 2100 -475 -870 663 C ATOM 980 C CYS A 138 -19.723 30.433 12.665 1.00 16.69 C ANISOU 980 C CYS A 138 2819 1414 2109 -482 -868 569 C ATOM 981 O CYS A 138 -19.418 29.291 12.998 1.00 17.71 O ANISOU 981 O CYS A 138 2916 1550 2263 -526 -800 544 O ATOM 982 CB CYS A 138 -18.094 32.299 12.547 1.00 16.91 C ANISOU 982 CB CYS A 138 2904 1400 2120 -471 -833 680 C ATOM 983 SG CYS A 138 -16.744 33.093 11.682 1.00 20.78 S ANISOU 983 SG CYS A 138 3424 1911 2559 -487 -767 748 S ATOM 984 N VAL A 139 -20.836 31.029 13.072 1.00 16.95 N ANISOU 984 N VAL A 139 2813 1464 2163 -435 -941 521 N ATOM 985 CA VAL A 139 -21.755 30.327 13.949 1.00 16.78 C ANISOU 985 CA VAL A 139 2692 1495 2189 -453 -933 437 C ATOM 986 C VAL A 139 -22.237 29.017 13.285 1.00 17.07 C ANISOU 986 C VAL A 139 2703 1580 2203 -499 -916 375 C ATOM 987 O VAL A 139 -22.157 27.935 13.870 1.00 16.79 O ANISOU 987 O VAL A 139 2631 1540 2207 -567 -853 352 O ATOM 988 CB VAL A 139 -22.954 31.220 14.344 1.00 17.32 C ANISOU 988 CB VAL A 139 2707 1605 2269 -377 -1018 382 C ATOM 989 CG1 VAL A 139 -24.081 30.390 15.034 1.00 17.49 C ANISOU 989 CG1 VAL A 139 2602 1724 2319 -409 -1006 289 C ATOM 990 CG2 VAL A 139 -22.495 32.353 15.220 1.00 17.14 C ANISOU 990 CG2 VAL A 139 2713 1518 2282 -339 -1031 418 C ATOM 991 N LEU A 140 -22.711 29.111 12.051 1.00 17.81 N ANISOU 991 N LEU A 140 2826 1712 2228 -466 -976 350 N ATOM 992 CA LEU A 140 -23.238 27.941 11.373 1.00 18.32 C ANISOU 992 CA LEU A 140 2871 1822 2267 -513 -975 271 C ATOM 993 C LEU A 140 -22.202 26.853 11.272 1.00 17.98 C ANISOU 993 C LEU A 140 2878 1720 2232 -571 -883 286 C ATOM 994 O LEU A 140 -22.489 25.699 11.581 1.00 18.09 O ANISOU 994 O LEU A 140 2864 1724 2287 -638 -850 228 O ATOM 995 CB LEU A 140 -23.750 28.308 9.986 1.00 19.28 C ANISOU 995 CB LEU A 140 3029 2004 2294 -458 -1060 248 C ATOM 996 CG LEU A 140 -25.112 28.992 9.985 1.00 20.04 C ANISOU 996 CG LEU A 140 3047 2184 2382 -396 -1167 196 C ATOM 997 CD1 LEU A 140 -25.484 29.374 8.584 1.00 21.10 C ANISOU 997 CD1 LEU A 140 3231 2378 2408 -331 -1257 190 C ATOM 998 CD2 LEU A 140 -26.144 28.072 10.589 1.00 20.31 C ANISOU 998 CD2 LEU A 140 2957 2289 2469 -467 -1164 93 C ATOM 999 N TYR A 141 -20.994 27.223 10.855 1.00 17.73 N ANISOU 999 N TYR A 141 2921 1650 2164 -545 -843 365 N ATOM 1000 CA TYR A 141 -19.931 26.243 10.682 1.00 17.60 C ANISOU 1000 CA TYR A 141 2946 1593 2147 -571 -756 374 C ATOM 1001 C TYR A 141 -19.507 25.628 12.015 1.00 18.06 C ANISOU 1001 C TYR A 141 2967 1596 2298 -612 -690 393 C ATOM 1002 O TYR A 141 -19.388 24.411 12.121 1.00 17.65 O ANISOU 1002 O TYR A 141 2926 1505 2276 -645 -647 353 O ATOM 1003 CB TYR A 141 -18.740 26.836 9.945 1.00 17.69 C ANISOU 1003 CB TYR A 141 3022 1611 2090 -536 -722 456 C ATOM 1004 CG TYR A 141 -17.728 25.803 9.543 1.00 17.90 C ANISOU 1004 CG TYR A 141 3081 1626 2095 -537 -637 444 C ATOM 1005 CD1 TYR A 141 -18.021 24.864 8.575 1.00 18.72 C ANISOU 1005 CD1 TYR A 141 3221 1750 2142 -530 -640 352 C ATOM 1006 CD2 TYR A 141 -16.479 25.761 10.137 1.00 17.46 C ANISOU 1006 CD2 TYR A 141 3015 1546 2074 -536 -560 514 C ATOM 1007 CE1 TYR A 141 -17.082 23.897 8.198 1.00 19.23 C ANISOU 1007 CE1 TYR A 141 3322 1799 2187 -508 -562 325 C ATOM 1008 CE2 TYR A 141 -15.540 24.806 9.784 1.00 18.73 C ANISOU 1008 CE2 TYR A 141 3195 1705 2216 -511 -484 496 C ATOM 1009 CZ TYR A 141 -15.837 23.873 8.814 1.00 23.43 C ANISOU 1009 CZ TYR A 141 3837 2310 2757 -491 -482 399 C ATOM 1010 OH TYR A 141 -14.884 22.924 8.464 1.00 28.93 O ANISOU 1010 OH TYR A 141 4558 3000 3435 -444 -407 368 O ATOM 1011 N LEU A 142 -19.308 26.455 13.040 1.00 16.29 N ANISOU 1011 N LEU A 142 2709 1363 2118 -607 -690 452 N ATOM 1012 CA LEU A 142 -18.916 25.945 14.357 1.00 15.76 C ANISOU 1012 CA LEU A 142 2605 1262 2122 -640 -635 478 C ATOM 1013 C LEU A 142 -19.977 25.066 15.009 1.00 15.98 C ANISOU 1013 C LEU A 142 2582 1295 2196 -696 -638 418 C ATOM 1014 O LEU A 142 -19.651 24.054 15.631 1.00 15.98 O ANISOU 1014 O LEU A 142 2583 1252 2236 -731 -581 428 O ATOM 1015 CB LEU A 142 -18.557 27.089 15.287 1.00 15.24 C ANISOU 1015 CB LEU A 142 2506 1211 2075 -616 -640 530 C ATOM 1016 CG LEU A 142 -17.216 27.757 14.979 1.00 15.10 C ANISOU 1016 CG LEU A 142 2497 1218 2023 -572 -595 576 C ATOM 1017 CD1 LEU A 142 -17.003 28.908 15.918 1.00 14.81 C ANISOU 1017 CD1 LEU A 142 2416 1206 2004 -550 -603 585 C ATOM 1018 CD2 LEU A 142 -16.067 26.781 15.068 1.00 15.04 C ANISOU 1018 CD2 LEU A 142 2477 1216 2021 -562 -506 589 C ATOM 1019 N TRP A 143 -21.244 25.447 14.871 1.00 16.36 N ANISOU 1019 N TRP A 143 2579 1404 2233 -701 -701 358 N ATOM 1020 CA TRP A 143 -22.345 24.652 15.414 1.00 16.83 C ANISOU 1020 CA TRP A 143 2570 1495 2330 -774 -703 299 C ATOM 1021 C TRP A 143 -22.462 23.314 14.711 1.00 17.51 C ANISOU 1021 C TRP A 143 2699 1533 2420 -836 -687 247 C ATOM 1022 O TRP A 143 -22.836 22.328 15.324 1.00 17.90 O ANISOU 1022 O TRP A 143 2731 1554 2518 -922 -655 233 O ATOM 1023 CB TRP A 143 -23.669 25.393 15.277 1.00 17.32 C ANISOU 1023 CB TRP A 143 2550 1660 2372 -753 -780 236 C ATOM 1024 CG TRP A 143 -24.108 26.115 16.512 1.00 17.12 C ANISOU 1024 CG TRP A 143 2441 1692 2371 -735 -780 246 C ATOM 1025 CD1 TRP A 143 -25.280 25.939 17.189 1.00 17.71 C ANISOU 1025 CD1 TRP A 143 2403 1866 2461 -777 -787 192 C ATOM 1026 CD2 TRP A 143 -23.385 27.132 17.227 1.00 16.47 C ANISOU 1026 CD2 TRP A 143 2379 1585 2292 -672 -772 303 C ATOM 1027 NE1 TRP A 143 -25.326 26.778 18.277 1.00 17.46 N ANISOU 1027 NE1 TRP A 143 2321 1877 2435 -728 -779 208 N ATOM 1028 CE2 TRP A 143 -24.178 27.519 18.318 1.00 16.69 C ANISOU 1028 CE2 TRP A 143 2312 1697 2334 -665 -776 271 C ATOM 1029 CE3 TRP A 143 -22.136 27.738 17.055 1.00 17.34 C ANISOU 1029 CE3 TRP A 143 2574 1621 2395 -630 -761 374 C ATOM 1030 CZ2 TRP A 143 -23.776 28.497 19.220 1.00 18.75 C ANISOU 1030 CZ2 TRP A 143 2572 1954 2598 -608 -778 294 C ATOM 1031 CZ3 TRP A 143 -21.734 28.705 17.963 1.00 19.19 C ANISOU 1031 CZ3 TRP A 143 2803 1847 2642 -592 -766 405 C ATOM 1032 CH2 TRP A 143 -22.552 29.074 19.028 1.00 19.99 C ANISOU 1032 CH2 TRP A 143 2822 2019 2755 -577 -777 359 C ATOM 1033 N VAL A 144 -22.174 23.278 13.415 1.00 22.63 N ANISOU 1033 N VAL A 144 3413 2173 3014 -798 -711 214 N ATOM 1034 CA VAL A 144 -22.178 22.002 12.703 1.00 20.13 C ANISOU 1034 CA VAL A 144 3155 1799 2696 -846 -698 147 C ATOM 1035 C VAL A 144 -21.084 21.077 13.260 1.00 18.46 C ANISOU 1035 C VAL A 144 3007 1473 2534 -851 -616 196 C ATOM 1036 O VAL A 144 -21.333 19.906 13.542 1.00 19.12 O ANISOU 1036 O VAL A 144 3116 1478 2669 -924 -595 164 O ATOM 1037 CB VAL A 144 -22.060 22.172 11.155 1.00 19.47 C ANISOU 1037 CB VAL A 144 3129 1749 2519 -792 -740 93 C ATOM 1038 CG1 VAL A 144 -21.489 20.926 10.521 1.00 21.82 C ANISOU 1038 CG1 VAL A 144 3517 1963 2811 -805 -701 36 C ATOM 1039 CG2 VAL A 144 -23.409 22.465 10.531 1.00 19.98 C ANISOU 1039 CG2 VAL A 144 3136 1913 2543 -814 -835 10 C ATOM 1040 N LEU A 145 -19.884 21.608 13.453 1.00 17.74 N ANISOU 1040 N LEU A 145 2938 1371 2430 -777 -573 278 N ATOM 1041 CA LEU A 145 -18.826 20.831 14.068 1.00 17.64 C ANISOU 1041 CA LEU A 145 2968 1273 2463 -760 -503 331 C ATOM 1042 C LEU A 145 -19.213 20.326 15.467 1.00 17.58 C ANISOU 1042 C LEU A 145 2887 1282 2511 -783 -456 353 C ATOM 1043 O LEU A 145 -18.928 19.182 15.820 1.00 18.14 O ANISOU 1043 O LEU A 145 2987 1285 2621 -782 -406 351 O ATOM 1044 CB LEU A 145 -17.539 21.641 14.132 1.00 16.98 C ANISOU 1044 CB LEU A 145 2880 1220 2350 -680 -469 414 C ATOM 1045 CG LEU A 145 -17.000 22.105 12.778 1.00 17.24 C ANISOU 1045 CG LEU A 145 2950 1301 2298 -621 -472 395 C ATOM 1046 CD1 LEU A 145 -15.778 22.994 12.942 1.00 16.73 C ANISOU 1046 CD1 LEU A 145 2866 1280 2212 -573 -437 489 C ATOM 1047 CD2 LEU A 145 -16.655 20.923 11.911 1.00 18.17 C ANISOU 1047 CD2 LEU A 145 3140 1369 2396 -591 -442 322 C ATOM 1048 N LYS A 146 -19.860 21.174 16.261 1.00 17.08 N ANISOU 1048 N LYS A 146 2740 1303 2447 -801 -475 374 N ATOM 1049 CA LYS A 146 -20.361 20.758 17.569 1.00 17.20 C ANISOU 1049 CA LYS A 146 2694 1347 2496 -837 -435 393 C ATOM 1050 C LYS A 146 -21.330 19.573 17.437 1.00 18.31 C ANISOU 1050 C LYS A 146 2842 1445 2669 -932 -431 339 C ATOM 1051 O LYS A 146 -21.219 18.591 18.168 1.00 19.98 O ANISOU 1051 O LYS A 146 3064 1613 2915 -949 -373 365 O ATOM 1052 CB LYS A 146 -21.034 21.928 18.282 1.00 16.73 C ANISOU 1052 CB LYS A 146 2555 1379 2424 -854 -473 409 C ATOM 1053 CG LYS A 146 -21.371 21.672 19.730 1.00 16.86 C ANISOU 1053 CG LYS A 146 2512 1439 2455 -888 -429 444 C ATOM 1054 CD LYS A 146 -20.162 21.215 20.528 1.00 16.61 C ANISOU 1054 CD LYS A 146 2506 1382 2424 -821 -360 503 C ATOM 1055 CE LYS A 146 -20.586 20.775 21.909 1.00 17.04 C ANISOU 1055 CE LYS A 146 2521 1471 2483 -871 -322 543 C ATOM 1056 NZ LYS A 146 -19.451 20.495 22.871 1.00 16.89 N ANISOU 1056 NZ LYS A 146 2519 1443 2454 -807 -274 607 N ATOM 1057 N ILE A 147 -22.264 19.653 16.492 1.00 18.83 N ANISOU 1057 N ILE A 147 2904 1525 2725 -996 -499 263 N ATOM 1058 CA ILE A 147 -23.180 18.548 16.213 1.00 20.09 C ANISOU 1058 CA ILE A 147 3065 1653 2914 -1095 -503 193 C ATOM 1059 C ILE A 147 -22.449 17.266 15.784 1.00 20.83 C ANISOU 1059 C ILE A 147 3267 1609 3038 -1078 -461 176 C ATOM 1060 O ILE A 147 -22.843 16.168 16.160 1.00 21.89 O ANISOU 1060 O ILE A 147 3412 1685 3221 -1142 -427 164 O ATOM 1061 CB ILE A 147 -24.183 18.940 15.123 1.00 20.60 C ANISOU 1061 CB ILE A 147 3101 1777 2948 -1153 -598 96 C ATOM 1062 CG1 ILE A 147 -25.017 20.128 15.584 1.00 20.19 C ANISOU 1062 CG1 ILE A 147 2933 1861 2879 -1167 -651 103 C ATOM 1063 CG2 ILE A 147 -25.080 17.786 14.759 1.00 22.09 C ANISOU 1063 CG2 ILE A 147 3284 1942 3166 -1258 -603 10 C ATOM 1064 CD1 ILE A 147 -25.924 20.643 14.527 1.00 20.74 C ANISOU 1064 CD1 ILE A 147 2954 2023 2903 -1174 -752 9 C ATOM 1065 N LEU A 148 -21.380 17.404 15.005 1.00 21.90 N ANISOU 1065 N LEU A 148 3486 1689 3147 -993 -468 175 N ATOM 1066 CA LEU A 148 -20.636 16.239 14.524 1.00 21.32 C ANISOU 1066 CA LEU A 148 3523 1478 3099 -962 -439 145 C ATOM 1067 C LEU A 148 -19.685 15.653 15.552 1.00 22.28 C ANISOU 1067 C LEU A 148 3659 1541 3266 -895 -362 233 C ATOM 1068 O LEU A 148 -19.407 14.450 15.536 1.00 24.69 O ANISOU 1068 O LEU A 148 4040 1721 3619 -890 -336 217 O ATOM 1069 CB LEU A 148 -19.809 16.598 13.304 1.00 21.16 C ANISOU 1069 CB LEU A 148 3595 1422 3021 -895 -473 108 C ATOM 1070 CG LEU A 148 -20.593 16.708 12.013 1.00 21.82 C ANISOU 1070 CG LEU A 148 3718 1521 3051 -954 -557 -12 C ATOM 1071 CD1 LEU A 148 -19.611 17.021 10.921 1.00 21.78 C ANISOU 1071 CD1 LEU A 148 3763 1553 2959 -826 -541 -39 C ATOM 1072 CD2 LEU A 148 -21.315 15.418 11.740 1.00 23.35 C ANISOU 1072 CD2 LEU A 148 3945 1641 3287 -1030 -564 -113 C ATOM 1073 N TYR A 149 -19.155 16.511 16.416 1.00 20.14 N ATOM 1074 CA TYR A 149 -18.136 16.098 17.354 1.00 20.08 C ATOM 1075 C TYR A 149 -18.407 16.673 18.718 1.00 19.43 C ATOM 1076 O TYR A 149 -17.551 17.371 19.262 1.00 18.62 O ATOM 1077 CB TYR A 149 -16.787 16.608 16.895 1.00 19.49 C ATOM 1078 CG TYR A 149 -16.496 16.292 15.455 1.00 20.09 C ATOM 1079 CD1 TYR A 149 -16.248 14.992 15.054 1.00 21.41 C ATOM 1080 CD2 TYR A 149 -16.471 17.292 14.498 1.00 19.54 C ATOM 1081 CE1 TYR A 149 -15.981 14.686 13.748 1.00 22.13 C ATOM 1082 CE2 TYR A 149 -16.205 17.000 13.176 1.00 23.14 C ATOM 1083 CZ TYR A 149 -15.959 15.682 12.803 1.00 22.42 C ATOM 1084 OH TYR A 149 -15.697 15.344 11.484 1.00 22.44 O