ATOM 15308 N LYS A1911 -36.040 -25.757 43.694 1.00 82.19 N ATOM 15309 CA LYS A1911 -36.876 -26.849 44.223 1.00 82.19 C ATOM 15310 C LYS A1911 -36.221 -27.541 45.419 1.00 82.19 C ATOM 15311 CB LYS A1911 -37.192 -27.838 43.096 1.00 82.19 C ATOM 15312 O LYS A1911 -36.878 -27.720 46.436 1.00 82.19 O ATOM 15313 CG LYS A1911 -38.155 -28.949 43.537 1.00 82.19 C ATOM 15314 CD LYS A1911 -38.356 -29.950 42.395 1.00 82.19 C ATOM 15315 CE LYS A1911 -39.005 -31.231 42.928 1.00 82.19 C ATOM 15316 NZ LYS A1911 -38.816 -32.356 41.979 1.00 82.19 N ATOM 15317 N ARG A1912 -34.919 -27.834 45.374 1.00 78.25 N ATOM 15318 CA ARG A1912 -34.132 -28.370 46.499 1.00 78.25 C ATOM 15319 C ARG A1912 -34.126 -27.418 47.688 1.00 78.25 C ATOM 15320 CB ARG A1912 -32.700 -28.648 46.018 1.00 78.25 C ATOM 15321 O ARG A1912 -34.238 -27.866 48.826 1.00 78.25 O ATOM 15322 CG ARG A1912 -31.775 -29.327 47.044 1.00 78.25 C ATOM 15323 CD ARG A1912 -32.337 -30.674 47.506 1.00 78.25 C ATOM 15324 NE ARG A1912 -31.270 -31.615 47.891 1.00 78.25 N ATOM 15325 NH1 ARG A1912 -32.587 -33.487 47.824 1.00 78.25 N ATOM 15326 NH2 ARG A1912 -30.379 -33.684 48.137 1.00 78.25 N ATOM 15327 CZ ARG A1912 -31.414 -32.922 47.956 1.00 78.25 C ATOM 15328 N LYS A1913 -34.068 -26.100 47.457 1.00 79.60 N ATOM 15329 CA LYS A1913 -34.187 -25.126 48.548 1.00 79.60 C ATOM 15330 C LYS A1913 -35.602 -25.069 49.126 1.00 79.60 C ATOM 15331 CB LYS A1913 -33.665 -23.747 48.101 1.00 79.60 C ATOM 15332 O LYS A1913 -35.745 -24.946 50.341 1.00 79.60 O ATOM 15333 CG LYS A1913 -33.381 -22.823 49.298 1.00 79.60 C ATOM 15334 CD LYS A1913 -32.148 -23.288 50.090 1.00 79.60 C ATOM 15335 CE LYS A1913 -32.102 -22.672 51.485 1.00 79.60 C ATOM 15336 NZ LYS A1913 -31.044 -23.339 52.277 1.00 79.60 N ATOM 15337 N GLN A1914 -36.640 -25.224 48.305 1.00 82.54 N ATOM 15338 CA GLN A1914 -38.014 -25.406 48.780 1.00 82.54 C ATOM 15339 C GLN A1914 -38.194 -26.735 49.525 1.00 82.54 C ATOM 15340 CB GLN A1914 -39.009 -25.311 47.618 1.00 82.54 C ATOM 15341 O GLN A1914 -38.878 -26.744 50.543 1.00 82.54 O ATOM 15342 CG GLN A1914 -39.179 -23.880 47.088 1.00 82.54 C ATOM 15343 CD GLN A1914 -40.162 -23.815 45.920 1.00 82.54 C ATOM 15344 NE2 GLN A1914 -40.549 -22.637 45.485 1.00 82.54 N ATOM 15345 OE1 GLN A1914 -40.616 -24.809 45.382 1.00 82.54 O ATOM 15346 N GLU A1915 -37.561 -27.828 49.092 1.00 83.08 N ATOM 15347 CA GLU A1915 -37.525 -29.122 49.787 1.00 83.08 C ATOM 15348 C GLU A1915 -36.848 -28.983 51.157 1.00 83.08 C ATOM 15349 CB GLU A1915 -36.788 -30.187 48.948 1.00 83.08 C ATOM 15350 O GLU A1915 -37.421 -29.411 52.154 1.00 83.08 O ATOM 15351 CG GLU A1915 -37.555 -30.722 47.723 1.00 83.08 C ATOM 15352 CD GLU A1915 -36.655 -31.508 46.739 1.00 83.08 C ATOM 15353 OE1 GLU A1915 -37.099 -31.734 45.586 1.00 83.08 O ATOM 15354 OE2 GLU A1915 -35.515 -31.886 47.110 1.00 83.08 O ATOM 15355 N GLU A1916 -35.688 -28.320 51.250 1.00 83.00 N ATOM 15356 CA GLU A1916 -35.021 -28.019 52.525 1.00 83.00 C ATOM 15357 C GLU A1916 -35.886 -27.151 53.444 1.00 83.00 C ATOM 15358 CB GLU A1916 -33.720 -27.238 52.307 1.00 83.00 C ATOM 15359 O GLU A1916 -36.067 -27.479 54.616 1.00 83.00 O ATOM 15360 CG GLU A1916 -32.499 -28.050 51.868 1.00 83.00 C ATOM 15361 CD GLU A1916 -31.248 -27.154 51.822 1.00 83.00 C ATOM 15362 OE1 GLU A1916 -30.178 -27.634 51.413 1.00 83.00 O ATOM 15363 OE2 GLU A1916 -31.339 -25.963 52.220 1.00 83.00 O ATOM 15364 N VAL A1917 -36.418 -26.034 52.939 1.00 83.30 N ATOM 15365 CA VAL A1917 -37.230 -25.101 53.734 1.00 83.30 C ATOM 15366 C VAL A1917 -38.529 -25.774 54.174 1.00 83.30 C ATOM 15367 CB VAL A1917 -37.469 -23.786 52.965 1.00 83.30 C ATOM 15368 O VAL A1917 -38.893 -25.670 55.344 1.00 83.30 O ATOM 15369 CG1 VAL A1917 -38.521 -22.887 53.627 1.00 83.30 C ATOM 15370 CG2 VAL A1917 -36.165 -22.976 52.898 1.00 83.30 C ATOM 15371 N SER A1918 -39.173 -26.549 53.301 1.00 84.71 N ATOM 15372 CA SER A1918 -40.349 -27.356 53.637 1.00 84.71 C ATOM 15373 C SER A1918 -40.004 -28.455 54.633 1.00 84.71 C ATOM 15374 CB SER A1918 -40.979 -27.992 52.397 1.00 84.71 C ATOM 15375 O SER A1918 -40.736 -28.632 55.597 1.00 84.71 O ATOM 15376 OG SER A1918 -41.384 -26.985 51.501 1.00 84.71 O ATOM 15377 N ALA A1919 -38.875 -29.151 54.488 1.00 85.02 N ATOM 15378 CA ALA A1919 -38.422 -30.151 55.450 1.00 85.02 C ATOM 15379 C ALA A1919 -38.110 -29.517 56.812 1.00 85.02 C ATOM 15380 CB ALA A1919 -37.209 -30.897 54.884 1.00 85.02 C ATOM 15381 O ALA A1919 -38.485 -30.078 57.837 1.00 85.02 O ATOM 15382 N VAL A1920 -37.504 -28.328 56.857 1.00 82.46 N ATOM 15383 CA VAL A1920 -37.270 -27.573 58.097 1.00 82.46 C ATOM 15384 C VAL A1920 -38.587 -27.084 58.700 1.00 82.46 C ATOM 15385 CB VAL A1920 -36.270 -26.421 57.863 1.00 82.46 C ATOM 15386 O VAL A1920 -38.768 -27.222 59.909 1.00 82.46 O ATOM 15387 CG1 VAL A1920 -36.193 -25.444 59.048 1.00 82.46 C ATOM 15388 CG2 VAL A1920 -34.857 -26.985 57.665 1.00 82.46 C ATOM 15389 N ILE A1921 -39.536 -26.578 57.907 1.00 82.95 N ATOM 15390 CA ILE A1921 -40.869 -26.166 58.376 1.00 82.95 C ATOM 15391 C ILE A1921 -41.654 -27.375 58.887 1.00 82.95 C ATOM 15392 CB ILE A1921 -41.630 -25.377 57.283 1.00 82.95 C ATOM 15393 O ILE A1921 -42.162 -27.318 60.001 1.00 82.95 O ATOM 15394 CG1 ILE A1921 -40.991 -23.977 57.121 1.00 82.95 C ATOM 15395 CG2 ILE A1921 -43.128 -25.224 57.622 1.00 82.95 C ATOM 15396 CD1 ILE A1921 -41.469 -23.222 55.875 1.00 82.95 C ATOM 15397 N ILE A1922 -41.690 -28.491 58.157 1.00 85.14 N ATOM 15398 CA ILE A1922 -42.346 -29.744 58.553 1.00 85.14 C ATOM 15399 C ILE A1922 -41.676 -30.317 59.801 1.00 85.14 C ATOM 15400 CB ILE A1922 -42.372 -30.755 57.380 1.00 85.14 C ATOM 15401 O ILE A1922 -42.376 -30.644 60.752 1.00 85.14 O ATOM 15402 CG1 ILE A1922 -43.345 -30.264 56.281 1.00 85.14 C ATOM 15403 CG2 ILE A1922 -42.795 -32.163 57.851 1.00 85.14 C ATOM 15404 CD1 ILE A1922 -43.168 -30.979 54.935 1.00 85.14 C ATOM 15405 N GLN A1923 -40.344 -30.368 59.886 1.00 82.97 N ATOM 15406 CA GLN A1923 -39.647 -30.791 61.105 1.00 82.97 C ATOM 15407 C GLN A1923 -39.927 -29.843 62.277 1.00 82.97 C ATOM 15408 CB GLN A1923 -38.132 -30.881 60.880 1.00 82.97 C ATOM 15409 O GLN A1923 -40.122 -30.308 63.396 1.00 82.97 O ATOM 15410 CG GLN A1923 -37.690 -32.115 60.075 1.00 82.97 C ATOM 15411 CD GLN A1923 -36.180 -32.115 59.852 1.00 82.97 C ATOM 15412 NE2 GLN A1923 -35.699 -32.621 58.739 1.00 82.97 N ATOM 15413 OE1 GLN A1923 -35.411 -31.694 60.708 1.00 82.97 O ATOM 15414 N ARG A1924 -39.988 -28.523 62.063 1.00 83.17 N ATOM 15415 CA ARG A1924 -40.276 -27.522 63.108 1.00 83.17 C ATOM 15416 C ARG A1924 -41.739 -27.572 63.548 1.00 83.17 C ATOM 15417 CB ARG A1924 -39.859 -26.137 62.582 1.00 83.17 C ATOM 15418 O ARG A1924 -42.004 -27.463 64.742 1.00 83.17 O ATOM 15419 CG ARG A1924 -39.748 -25.033 63.643 1.00 83.17 C ATOM 15420 CD ARG A1924 -39.299 -23.729 62.957 1.00 83.17 C ATOM 15421 NE ARG A1924 -38.642 -22.782 63.884 1.00 83.17 N ATOM 15422 NH1 ARG A1924 -38.568 -20.975 62.453 1.00 83.17 N ATOM 15423 NH2 ARG A1924 -37.589 -20.833 64.444 1.00 83.17 N ATOM 15424 CZ ARG A1924 -38.273 -21.542 63.589 1.00 83.17 C ATOM 15425 N ALA A1925 -42.670 -27.797 62.626 1.00 83.16 N ATOM 15426 CA ALA A1925 -44.097 -27.976 62.865 1.00 83.16 C ATOM 15427 C ALA A1925 -44.391 -29.326 63.527 1.00 83.16 C ATOM 15428 CB ALA A1925 -44.851 -27.827 61.539 1.00 83.16 C ATOM 15429 O ALA A1925 -45.160 -29.366 64.477 1.00 83.16 O ATOM 15430 N TYR A1926 -43.721 -30.405 63.119 1.00 81.83 N ATOM 15431 CA TYR A1926 -43.802 -31.729 63.736 1.00 81.83 C ATOM 15432 C TYR A1926 -43.164 -31.736 65.128 1.00 81.83 C ATOM 15433 CB TYR A1926 -43.165 -32.778 62.814 1.00 81.83 C ATOM 15434 O TYR A1926 -43.785 -32.221 66.066 1.00 81.83 O ATOM 15435 CG TYR A1926 -43.276 -34.203 63.323 1.00 81.83 C ATOM 15436 CD1 TYR A1926 -42.116 -34.940 63.637 1.00 81.83 C ATOM 15437 CD2 TYR A1926 -44.545 -34.799 63.459 1.00 81.83 C ATOM 15438 CE1 TYR A1926 -42.224 -36.271 64.086 1.00 81.83 C ATOM 15439 CE2 TYR A1926 -44.657 -36.122 63.927 1.00 81.83 C ATOM 15440 OH TYR A1926 -43.620 -38.136 64.692 1.00 81.83 O ATOM 15441 CZ TYR A1926 -43.498 -36.861 64.239 1.00 81.83 C ATOM 15442 N ARG A1927 -42.003 -31.094 65.326 1.00 80.07 N ATOM 15443 CA ARG A1927 -41.415 -30.862 66.662 1.00 80.07 C ATOM 15444 C ARG A1927 -42.330 -29.992 67.534 1.00 80.07 C ATOM 15445 CB ARG A1927 -39.999 -30.264 66.544 1.00 80.07 C ATOM 15446 O ARG A1927 -42.550 -30.341 68.688 1.00 80.07 O ATOM 15447 CG ARG A1927 -38.942 -31.284 66.065 1.00 80.07 C ATOM 15448 CD ARG A1927 -37.630 -30.578 65.666 1.00 80.07 C ATOM 15449 NE ARG A1927 -36.646 -31.499 65.053 1.00 80.07 N ATOM 15450 NH1 ARG A1927 -34.892 -30.021 64.778 1.00 80.07 N ATOM 15451 NH2 ARG A1927 -34.763 -32.037 63.867 1.00 80.07 N ATOM 15452 CZ ARG A1927 -35.446 -31.185 64.575 1.00 80.07 C ATOM 15453 N ARG A1928 -42.932 -28.917 66.997 1.00 78.63 N ATOM 15454 CA ARG A1928 -43.954 -28.094 67.688 1.00 78.63 C ATOM 15455 C ARG A1928 -45.252 -28.868 67.963 1.00 78.63 C ATOM 15456 CB ARG A1928 -44.274 -26.809 66.889 1.00 78.63 C ATOM 15457 O ARG A1928 -45.874 -28.621 68.991 1.00 78.63 O ATOM 15458 CG ARG A1928 -43.296 -25.632 67.094 1.00 78.63 C ATOM 15459 CD ARG A1928 -43.666 -24.455 66.162 1.00 78.63 C ATOM 15460 NE ARG A1928 -43.001 -23.177 66.520 1.00 78.63 N ATOM 15461 NH1 ARG A1928 -43.891 -21.851 64.839 1.00 78.63 N ATOM 15462 NH2 ARG A1928 -42.599 -20.923 66.379 1.00 78.63 N ATOM 15463 CZ ARG A1928 -43.165 -22.002 65.913 1.00 78.63 C ATOM 15464 N HIS A1929 -45.668 -29.787 67.093 1.00 78.02 N ATOM 15465 CA HIS A1929 -46.858 -30.624 67.270 1.00 78.02 C ATOM 15466 C HIS A1929 -46.601 -31.708 68.312 1.00 78.02 C ATOM 15467 CB HIS A1929 -47.319 -31.244 65.940 1.00 78.02 C ATOM 15468 O HIS A1929 -47.417 -31.862 69.211 1.00 78.02 O ATOM 15469 CG HIS A1929 -48.544 -32.118 66.104 1.00 78.02 C ATOM 15470 CD2 HIS A1929 -48.574 -33.400 66.590 1.00 78.02 C ATOM 15471 ND1 HIS A1929 -49.848 -31.761 65.843 1.00 78.02 N ATOM 15472 CE1 HIS A1929 -50.638 -32.799 66.170 1.00 78.02 C ATOM 15473 NE2 HIS A1929 -49.908 -33.816 66.656 1.00 78.02 N ATOM 15474 N LEU A1930 -45.459 -32.398 68.248 1.00 75.06 N ATOM 15475 CA LEU A1930 -44.987 -33.299 69.295 1.00 75.06 C ATOM 15476 C LEU A1930 -44.920 -32.559 70.628 1.00 75.06 C ATOM 15477 CB LEU A1930 -43.621 -33.906 68.924 1.00 75.06 C ATOM 15478 O LEU A1930 -45.525 -33.039 71.572 1.00 75.06 O ATOM 15479 CG LEU A1930 -43.703 -35.113 67.971 1.00 75.06 C ATOM 15480 CD1 LEU A1930 -42.298 -35.460 67.482 1.00 75.06 C ATOM 15481 CD2 LEU A1930 -44.274 -36.352 68.670 1.00 75.06 C ATOM 15482 N LEU A1931 -44.328 -31.360 70.695 1.00 74.70 N ATOM 15483 CA LEU A1931 -44.347 -30.522 71.902 1.00 74.70 C ATOM 15484 C LEU A1931 -45.766 -30.154 72.352 1.00 74.70 C ATOM 15485 CB LEU A1931 -43.484 -29.260 71.697 1.00 74.70 C ATOM 15486 O LEU A1931 -46.084 -30.319 73.520 1.00 74.70 O ATOM 15487 CG LEU A1931 -42.065 -29.427 72.269 1.00 74.70 C ATOM 15488 CD1 LEU A1931 -41.111 -28.411 71.644 1.00 74.70 C ATOM 15489 CD2 LEU A1931 -42.071 -29.211 73.786 1.00 74.70 C ATOM 15490 N LYS A1932 -46.666 -29.706 71.466 1.00 73.40 N ATOM 15491 CA LYS A1932 -48.066 -29.417 71.842 1.00 73.40 C ATOM 15492 C LYS A1932 -48.831 -30.677 72.263 1.00 73.40 C ATOM 15493 CB LYS A1932 -48.801 -28.666 70.713 1.00 73.40 C ATOM 15494 O LYS A1932 -49.720 -30.579 73.106 1.00 73.40 O ATOM 15495 CG LYS A1932 -48.500 -27.154 70.723 1.00 73.40 C ATOM 15496 CD LYS A1932 -49.302 -26.392 69.649 1.00 73.40 C ATOM 15497 CE LYS A1932 -49.071 -24.874 69.769 1.00 73.40 C ATOM 15498 NZ LYS A1932 -49.812 -24.084 68.745 1.00 73.40 N ATOM 15499 N ARG A1933 -48.498 -31.851 71.721 1.00 71.04 N ATOM 15500 CA ARG A1933 -49.105 -33.147 72.048 1.00 71.04 C ATOM 15501 C ARG A1933 -48.560 -33.704 73.359 1.00 71.04 C ATOM 15502 CB ARG A1933 -48.929 -34.110 70.860 1.00 71.04 C ATOM 15503 O ARG A1933 -49.365 -34.105 74.189 1.00 71.04 O ATOM 15504 CG ARG A1933 -49.559 -35.483 71.127 1.00 71.04 C ATOM 15505 CD ARG A1933 -49.551 -36.356 69.869 1.00 71.04 C ATOM 15506 NE ARG A1933 -50.061 -37.708 70.164 1.00 71.04 N ATOM 15507 NH1 ARG A1933 -50.366 -38.393 67.987 1.00 71.04 N ATOM 15508 NH2 ARG A1933 -50.831 -39.793 69.658 1.00 71.04 N ATOM 15509 CZ ARG A1933 -50.416 -38.620 69.272 1.00 71.04 C ATOM 15510 N THR A1934 -47.253 -33.650 73.605 1.00 65.13 N ATOM 15511 CA THR A1934 -46.656 -34.009 74.897 1.00 65.13 C ATOM 15512 C THR A1934 -47.027 -33.002 75.975 1.00 65.13 C ATOM 15513 CB THR A1934 -45.130 -34.180 74.852 1.00 65.13 C ATOM 15514 O THR A1934 -47.297 -33.435 77.080 1.00 65.13 O ATOM 15515 CG2 THR A1934 -44.700 -35.349 73.967 1.00 65.13 C ATOM 15516 OG1 THR A1934 -44.503 -33.016 74.383 1.00 65.13 O ATOM 15517 N VAL A1935 -47.180 -31.706 75.679 1.00 65.42 N ATOM 15518 CA VAL A1935 -47.703 -30.709 76.635 1.00 65.42 C ATOM 15519 C VAL A1935 -49.201 -30.893 76.897 1.00 65.42 C ATOM 15520 CB VAL A1935 -47.354 -29.265 76.211 1.00 65.42 C ATOM 15521 O VAL A1935 -49.612 -30.764 78.045 1.00 65.42 O ATOM 15522 CG1 VAL A1935 -48.073 -28.191 77.039 1.00 65.42 C ATOM 15523 CG2 VAL A1935 -45.848 -29.014 76.381 1.00 65.42 C ATOM 15524 N LYS A1936 -50.031 -31.262 75.905 1.00 60.17 N ATOM 15525 CA LYS A1936 -51.444 -31.626 76.152 1.00 60.17 C ATOM 15526 C LYS A1936 -51.592 -32.959 76.889 1.00 60.17 C ATOM 15527 CB LYS A1936 -52.280 -31.625 74.858 1.00 60.17 C ATOM 15528 O LYS A1936 -52.426 -33.057 77.780 1.00 60.17 O ATOM 15529 CG LYS A1936 -52.792 -30.221 74.490 1.00 60.17 C ATOM 15530 CD LYS A1936 -53.794 -30.284 73.325 1.00 60.17 C ATOM 15531 CE LYS A1936 -54.446 -28.913 73.090 1.00 60.17 C ATOM 15532 NZ LYS A1936 -55.541 -28.979 72.085 1.00 60.17 N ATOM 15533 N GLN A1937 -50.792 -33.975 76.568 1.00 58.09 N ATOM 15534 CA GLN A1937 -50.789 -35.239 77.311 1.00 58.09 C ATOM 15535 C GLN A1937 -50.205 -35.047 78.717 1.00 58.09 C ATOM 15536 CB GLN A1937 -50.069 -36.352 76.524 1.00 58.09 C ATOM 15537 O GLN A1937 -50.759 -35.593 79.667 1.00 58.09 O ATOM 15538 CG GLN A1937 -50.922 -36.839 75.336 1.00 58.09 C ATOM 15539 CD GLN A1937 -50.294 -37.999 74.564 1.00 58.09 C ATOM 15540 NE2 GLN A1937 -50.360 -39.210 75.073 1.00 58.09 N ATOM 15541 OE1 GLN A1937 -49.772 -37.854 73.468 1.00 58.09 O ATOM 15542 N ALA A1938 -49.175 -34.214 78.886 1.00 50.12 N ATOM 15543 CA ALA A1938 -48.642 -33.835 80.189 1.00 50.12 C ATOM 15544 C ALA A1938 -49.670 -33.044 80.997 1.00 50.12 C ATOM 15545 CB ALA A1938 -47.327 -33.059 80.048 1.00 50.12 C ATOM 15546 O ALA A1938 -49.908 -33.422 82.130 1.00 50.12 O ATOM 15547 N SER A1939 -50.349 -32.027 80.450 1.00 52.93 N ATOM 15548 CA SER A1939 -51.355 -31.263 81.207 1.00 52.93 C ATOM 15549 C SER A1939 -52.597 -32.093 81.550 1.00 52.93 C ATOM 15550 CB SER A1939 -51.727 -29.961 80.491 1.00 52.93 C ATOM 15551 O SER A1939 -53.106 -31.997 82.666 1.00 52.93 O ATOM 15552 OG SER A1939 -52.448 -30.186 79.296 1.00 52.93 O ATOM 15553 N PHE A1940 -53.035 -32.984 80.655 1.00 51.19 N ATOM 15554 CA PHE A1940 -54.113 -33.938 80.932 1.00 51.19 C ATOM 15555 C PHE A1940 -53.709 -34.974 81.997 1.00 51.19 C ATOM 15556 CB PHE A1940 -54.542 -34.593 79.611 1.00 51.19 C ATOM 15557 O PHE A1940 -54.512 -35.314 82.863 1.00 51.19 O ATOM 15558 CG PHE A1940 -55.887 -35.289 79.654 1.00 51.19 C ATOM 15559 CD1 PHE A1940 -55.968 -36.686 79.815 1.00 51.19 C ATOM 15560 CD2 PHE A1940 -57.066 -34.535 79.497 1.00 51.19 C ATOM 15561 CE1 PHE A1940 -57.223 -37.323 79.809 1.00 51.19 C ATOM 15562 CE2 PHE A1940 -58.319 -35.172 79.496 1.00 51.19 C ATOM 15563 CZ PHE A1940 -58.398 -36.566 79.650 1.00 51.19 C