C55 H74 N8 O7 959.225 N-[(2S)-1-{[(1P,8S,10R,14S,21M)-22-ethyl-21-{2-[(1S)-1-methoxyethyl]pyridin-3-yl}-18,18-dimethyl-9,15-dioxo-16-oxa-10,22,28-triazapentacyclo[18.5.2.1~2,6~.1~10,14~.0~23,27~]nonacosa-1(25),2(29),3,5,20,23,26-heptaen-8-yl]amino}-3-methyl-1-oxobutan-2-yl]-N-methyl-2-propanoyl-2,8-diazaspiro[4.5]decane-8-carboxamide (non-preferred name) N 0 Corina N 2026-06-24 36OJ N 2026-06-26 RCSB REL HETAIN A1DKX non-polymer C1 0 14.314 39.135 11.126 1 N C1 A1DKX N 1.139 -1.151 -4.442 1 N C C2 0 10.037 37.497 0.002 1 N C10 A1DKX N 6.490 -0.885 -0.584 2 N C C3 0 8.566 37.772 -0.259 1 N C11 A1DKX N 7.438 -1.624 0.368 3 N C C4 0 8.328 39.289 -0.344 1 N C12 A1DKX N 8.308 -0.615 1.102 4 N C C5 0 8.946 40.099 0.795 1 N C13 A1DKX N 7.470 0.370 1.903 5 N C C6 0 10.403 39.685 1.044 1 N C14 A1DKX N 6.523 1.121 0.959 6 N C C7 0 6.825 39.527 -0.440 1 N C15 A1DKX N 9.221 0.135 0.108 7 N C C8 0 6.482 39.356 -1.925 1 N C16 A1DKX N 10.412 -0.833 -0.063 8 N C C9 0 7.842 39.735 -3.889 1 N C17 A1DKX N 11.307 -2.717 1.331 9 N C C10 0 9.179 40.078 -4.485 1 N C18 A1DKX N 12.390 -3.002 0.322 10 N C C11 0 9.588 38.937 -5.384 1 N C19 A1DKX N 13.243 -4.175 0.809 11 N C C12 0 14.287 39.461 9.637 1 N C2 A1DKX N -0.113 -0.617 -3.755 12 S C C13 0 8.882 39.789 -1.676 1 N C20 A1DKX N 9.324 -1.332 2.012 13 N C C14 0 11.866 35.825 2.124 1 N C21 A1DKX N 4.512 2.504 0.865 14 N C C15 0 10.188 34.558 4.206 1 N C22 A1DKX N 1.944 1.672 2.162 15 N C C16 0 9.820 34.077 5.621 1 N C23 A1DKX N 0.436 1.522 2.369 16 N C C17 0 9.089 34.110 3.249 1 N C24 A1DKX N 2.687 0.779 3.158 17 N C C18 0 11.967 39.593 6.816 1 N C25 A1DKX N -0.145 4.377 -1.189 18 N C C19 0 12.931 40.103 5.762 1 Y C26 A1DKX N -1.207 4.619 -0.149 19 N C C20 0 13.924 41.003 6.122 1 Y C27 A1DKX N -2.112 3.622 0.154 20 N C C21 0 14.818 41.548 5.195 1 Y C28 A1DKX N -3.093 3.843 1.118 21 N C C22 0 14.741 41.105 3.868 1 Y C29 A1DKX N -3.158 5.073 1.770 22 N C C23 0 12.518 37.446 10.685 1 N C3 A1DKX N 1.511 1.326 -4.688 23 N C C24 0 13.777 40.139 3.502 1 Y C30 A1DKX N -2.253 6.066 1.455 24 N C C25 0 12.843 39.642 4.442 1 Y C31 A1DKX N -1.279 5.840 0.498 25 N C C26 0 15.862 42.550 5.612 1 Y C32 A1DKX N -4.060 2.768 1.453 26 N C C27 0 16.193 42.761 6.945 1 Y C33 A1DKX N -4.015 1.564 0.766 27 N C C28 0 17.156 43.685 7.340 1 Y C34 A1DKX N -4.922 0.554 1.093 28 N C C29 0 17.821 44.435 6.374 1 Y C35 A1DKX N -5.859 0.760 2.123 29 N C C30 0 17.506 44.243 5.023 1 Y C36 A1DKX N -5.892 1.981 2.791 30 N C C31 0 16.534 43.312 4.643 1 Y C37 A1DKX N -5.009 2.969 2.461 31 N C C32 0 19.532 46.197 6.210 1 N C38 A1DKX N -7.657 -0.622 3.231 32 N C C33 0 18.715 47.482 6.163 1 N C39 A1DKX N -9.009 -0.283 2.602 33 N C C34 0 12.954 38.609 11.582 1 N C4 A1DKX N 2.172 -0.052 -4.660 34 N C C35 0 18.661 45.075 8.318 1 Y C40 A1DKX N -6.175 -1.320 1.314 35 N C C36 0 19.452 45.835 9.327 1 Y C41 A1DKX N -6.738 -2.676 1.143 36 N C C37 0 20.819 45.680 9.470 1 Y C42 A1DKX N -7.601 -2.957 0.083 37 N C C38 0 21.594 44.719 8.622 1 N C43 A1DKX N -7.961 -1.869 -0.896 38 S C C39 0 22.889 44.894 6.631 1 N C44 A1DKX N -7.357 -1.283 -3.140 39 N C C40 0 22.510 43.836 9.448 1 N C45 A1DKX N -9.443 -1.519 -0.746 40 N C C41 0 20.844 47.342 11.163 1 Y C46 A1DKX N -7.816 -5.149 0.760 41 N C C42 0 19.473 47.539 11.046 1 Y C47 A1DKX N -6.964 -4.953 1.833 42 N C C43 0 18.768 46.792 10.117 1 Y C48 A1DKX N -6.411 -3.701 2.038 43 N C C44 0 17.630 44.059 8.612 1 Y C49 A1DKX N -5.167 -0.792 0.574 44 N C C45 0 11.747 37.728 8.374 1 N C5 A1DKX N 0.597 2.750 -2.915 45 N C C46 0 17.252 43.602 10.027 1 N C50 A1DKX N -4.452 -1.457 -0.570 46 N C C47 0 17.954 42.368 10.600 1 N C51 A1DKX N -3.078 -1.951 -0.112 47 N C C48 0 19.467 42.469 10.691 1 N C52 A1DKX N -2.298 -0.787 0.504 48 N C C49 0 17.393 42.182 12.007 1 N C53 A1DKX N -3.256 -3.054 0.933 49 N C C50 0 17.653 41.183 9.706 1 N C54 A1DKX N -2.304 -2.505 -1.311 50 N C C51 0 15.706 39.755 9.282 1 N C55 A1DKX N -0.814 -1.732 -3.014 51 N C C52 0 12.046 38.067 6.925 1 N C6 A1DKX N -0.192 2.915 -1.640 52 S C C53 0 11.387 36.531 5.158 1 N C7 A1DKX N 1.678 2.213 -0.243 53 N C C54 0 10.338 36.087 4.170 1 N C8 A1DKX N 2.307 1.255 0.735 54 S C C55 0 10.330 37.765 2.478 1 N C9 A1DKX N 4.413 0.174 0.160 55 N C N1 0 13.895 38.273 8.868 1 N N1 A1DKX N 0.257 0.424 -2.784 56 N N N2 0 12.695 37.821 9.291 1 N N2 A1DKX N 0.773 1.520 -3.433 57 N N N3 0 11.073 37.486 6.019 1 N N3 A1DKX N 0.385 2.065 -0.595 58 N N N4 0 10.824 36.565 2.853 1 N N4 A1DKX N 3.763 1.279 0.574 59 N N N5 0 10.309 38.234 1.228 1 N N5 A1DKX N 5.760 0.138 0.177 60 N N N6 0 7.759 39.633 -2.579 1 N N6 A1DKX N 10.429 -1.718 1.112 61 N N N7 0 18.712 45.241 6.965 1 Y N7 A1DKX N -6.592 -0.400 2.249 62 N N N8 0 21.478 46.446 10.360 1 Y N8 A1DKX N -8.103 -4.165 -0.070 63 N N O1 0 10.635 37.393 8.661 1 N O1 A1DKX N 1.071 3.719 -3.469 64 N O O2 0 6.871 39.541 -4.597 1 N O2 A1DKX N 11.226 -3.385 2.340 65 N O O3 0 9.883 38.530 3.355 1 N O3 A1DKX N 3.784 -0.791 -0.231 66 N O O4 0 12.513 36.039 5.117 1 N O4 A1DKX N 2.335 3.118 -0.714 67 N O O5 0 22.419 45.563 7.785 1 N O5 A1DKX N -7.711 -2.324 -2.227 68 N O O6 0 16.266 40.913 9.847 1 N O6 A1DKX N -1.674 -1.415 -2.030 69 N O O7 0 16.423 39.062 8.580 1 N O7 A1DKX N -0.608 -2.887 -3.302 70 N O H1 0 15.081 38.369 11.315 1 N H1 A1DKX N 1.578 -1.934 -3.823 71 N H H2 0 14.558 40.046 11.692 1 N H2 A1DKX N 0.862 -1.575 -5.406 72 N H H3 0 10.659 37.868 -0.826 1 N H12 A1DKX N 7.068 -0.408 -1.376 73 N H H4 0 10.217 36.421 0.142 1 N H13 A1DKX N 5.785 -1.592 -1.021 74 N H H5 0 8.269 37.302 -1.208 1 N H14 A1DKX N 6.854 -2.194 1.091 75 N H H6 0 7.965 37.353 0.561 1 N H15 A1DKX N 8.071 -2.303 -0.203 76 N H H7 0 8.916 41.167 0.533 1 N H16 A1DKX N 6.886 -0.172 2.648 77 N H H8 0 8.363 39.930 1.713 1 N H17 A1DKX N 8.126 1.082 2.403 78 N H H9 0 10.804 40.172 1.945 1 N H18 A1DKX N 5.838 1.736 1.542 79 N H H10 0 11.037 39.933 0.180 1 N H19 A1DKX N 7.103 1.754 0.288 80 N H H11 0 6.279 38.791 0.169 1 N H20 A1DKX N 8.711 0.291 -0.843 81 N H H12 0 6.573 40.543 -0.101 1 N H21 A1DKX N 9.552 1.084 0.529 82 N H H13 0 6.140 38.333 -2.139 1 N H22 A1DKX N 10.283 -1.424 -0.970 83 N H H14 0 5.710 40.074 -2.240 1 N H23 A1DKX N 11.344 -0.269 -0.115 84 N H H15 0 9.101 41.006 -5.070 0 N H181 A1DKX N 11.936 -3.256 -0.636 85 N H H16 0 9.923 40.210 -3.685 1 N H24 A1DKX N 13.018 -2.119 0.205 86 N H H17 0 10.566 39.159 -5.837 0 N H191 A1DKX N 13.697 -3.921 1.767 87 N H H18 0 9.659 38.012 -4.793 1 N H25 A1DKX N 12.615 -5.057 0.927 88 N H H19 0 8.837 38.808 -6.178 1 N H26 A1DKX N 14.027 -4.381 0.079 89 N H H20 0 13.631 40.320 9.431 1 N H3 A1DKX N -0.790 -0.197 -4.494 90 N H H21 0 9.188 40.843 -1.605 1 N H27 A1DKX N 9.684 -0.655 2.786 91 N H H22 0 9.738 39.179 -2.001 1 N H28 A1DKX N 8.873 -2.216 2.462 92 N H H23 0 12.086 36.338 1.176 1 N H29 A1DKX N 4.794 2.516 1.917 93 N H H24 0 12.779 35.779 2.736 1 N H30 A1DKX N 5.409 2.536 0.247 94 N H H25 0 11.513 34.804 1.915 1 N H31 A1DKX N 3.889 3.371 0.646 95 N H H26 0 11.140 34.096 3.906 1 N H32 A1DKX N 2.231 2.711 2.321 96 N H H27 0 9.718 32.982 5.622 1 N H33 A1DKX N 0.183 1.779 3.398 97 N H H28 0 10.611 34.372 6.326 1 N H34 A1DKX N -0.093 2.189 1.688 98 N H H29 0 8.867 34.534 5.927 1 N H35 A1DKX N 0.142 0.491 2.170 99 N H H30 0 8.994 33.015 3.286 1 N H36 A1DKX N 2.400 -0.260 2.999 100 N H H31 0 8.135 34.571 3.545 1 N H37 A1DKX N 3.762 0.886 3.010 101 N H H32 0 9.345 34.421 2.225 1 N H38 A1DKX N 2.429 1.076 4.174 102 N H H33 0 10.943 39.883 6.540 1 N H39 A1DKX N -0.321 5.027 -2.046 103 N H H34 0 12.225 40.039 7.788 1 N H40 A1DKX N 0.835 4.595 -0.764 104 N H H35 0 14.010 41.294 7.159 1 N H41 A1DKX N -2.061 2.671 -0.356 105 N H H36 0 15.418 41.501 3.126 1 N H42 A1DKX N -3.915 5.249 2.520 106 N H H37 0 11.459 37.215 10.872 1 N H5 A1DKX N 2.276 2.097 -4.785 107 N H H38 0 13.131 36.560 10.908 1 N H6 A1DKX N 0.824 1.385 -5.532 108 N H H39 0 13.752 39.773 2.486 1 N H43 A1DKX N -2.305 7.021 1.955 109 N H H40 0 12.086 38.929 4.151 1 N H44 A1DKX N -0.572 6.620 0.257 110 N H H41 0 15.683 42.186 7.704 1 N H45 A1DKX N -3.285 1.409 -0.015 111 N H H42 0 18.019 44.819 4.267 1 N H46 A1DKX N -6.618 2.147 3.573 112 N H H43 0 16.299 43.178 3.597 1 N H47 A1DKX N -5.044 3.914 2.982 113 N H H44 0 20.491 46.369 6.721 1 N H48 A1DKX N -7.489 0.017 4.098 114 N H H45 0 19.720 45.823 5.193 1 N H49 A1DKX N -7.652 -1.666 3.543 115 N H H46 0 19.272 48.251 5.608 1 N H50 A1DKX N -9.009 0.757 2.277 116 N H H47 0 17.756 47.289 5.660 1 N H51 A1DKX N -9.183 -0.932 1.743 117 N H H48 0 18.527 47.834 7.188 1 N H52 A1DKX N -9.800 -0.434 3.337 118 N H H49 0 13.028 38.259 12.622 1 N H7 A1DKX N 2.902 -0.082 -3.852 119 N H H50 0 12.210 39.417 11.519 1 N H8 A1DKX N 2.681 -0.223 -5.608 120 N H H51 0 20.913 44.102 8.018 1 N H53 A1DKX N -7.356 -0.985 -0.695 121 N H H52 0 23.508 45.581 6.035 1 N H54 A1DKX N -8.168 -0.557 -3.195 122 N H H53 0 23.492 44.024 6.931 1 N H55 A1DKX N -6.450 -0.789 -2.794 123 N H H54 0 22.033 44.556 6.029 1 N H56 A1DKX N -7.184 -1.710 -4.128 124 N H H55 0 23.056 43.150 8.784 1 N H57 A1DKX N -10.039 -2.430 -0.798 125 N H H56 0 23.228 44.464 9.996 1 N H58 A1DKX N -9.606 -1.033 0.216 126 N H H57 0 21.911 43.254 10.164 1 N H59 A1DKX N -9.740 -0.844 -1.549 127 N H H58 0 21.408 47.902 11.894 1 N H60 A1DKX N -8.250 -6.125 0.598 128 N H H59 0 18.967 48.262 11.668 1 N H61 A1DKX N -6.734 -5.768 2.503 129 N H H60 0 17.705 46.938 9.996 1 N H62 A1DKX N -5.742 -3.520 2.866 130 N H H61 0 17.460 44.441 10.707 1 N H63 A1DKX N -5.041 -2.304 -0.922 131 N H H62 0 16.172 43.391 10.024 1 N H64 A1DKX N -4.326 -0.742 -1.383 132 N H H63 0 19.872 41.537 11.113 1 N H65 A1DKX N -2.802 -0.451 1.410 133 N H H64 0 19.885 42.629 9.686 1 N H66 A1DKX N -1.289 -1.117 0.750 134 N H H65 0 19.740 43.314 11.340 1 N H67 A1DKX N -2.248 0.035 -0.210 135 N H H66 0 17.861 41.304 12.476 1 N H68 A1DKX N -3.740 -3.915 0.473 136 N H H67 0 17.608 43.077 12.609 1 N H69 A1DKX N -2.280 -3.349 1.319 137 N H H68 0 16.305 42.031 11.951 1 N H70 A1DKX N -3.874 -2.684 1.751 138 N H H69 0 17.888 41.427 8.660 1 N H71 A1DKX N -1.540 -3.198 -0.961 139 N H H70 0 18.244 40.310 10.020 1 N H72 A1DKX N -2.991 -3.028 -1.976 140 N H H71 0 13.062 37.733 6.669 1 N H9 A1DKX N -1.227 2.624 -1.814 141 N H H72 0 9.373 36.556 4.413 1 N H11 A1DKX N 1.937 0.247 0.546 142 N H H73 0 13.836 38.511 7.899 1 N H4 A1DKX N -0.532 0.682 -2.211 143 N H H74 0 10.131 37.819 6.046 1 N H10 A1DKX N -0.163 1.395 -0.158 144 N H N 1 N sing N 2 N sing N 3 N sing N 4 N sing N 5 N sing N 6 N sing N 7 N sing N 8 N sing N 9 N doub N 10 N sing N 11 N sing N 12 N sing N 13 N sing N 14 N sing N 15 N doub N 16 N sing N 17 N sing N 18 N sing N 19 N sing N 20 N sing N 21 N doub N 22 N sing N 23 N sing N 24 N sing N 25 N sing N 26 N sing N 27 N sing N 28 N sing N 29 N sing N 30 N sing N 31 N sing N 32 N sing N 33 N sing N 34 N doub N 35 N sing N 36 N sing N 37 N sing N 38 N sing N 39 N sing Y 40 N doub Y 41 N sing Y 42 N sing Y 43 N doub N 44 N sing Y 45 N sing Y 46 N doub Y 47 N doub Y 48 N sing Y 49 N sing Y 50 N doub Y 51 N sing Y 52 N sing Y 53 N sing Y 54 N doub N 55 N sing Y 56 N sing N 57 N sing N 58 N sing Y 59 N doub Y 60 N doub Y 61 N sing N 62 N sing Y 63 N sing N 64 N sing N 65 N sing N 66 N sing Y 67 N doub Y 68 N sing Y 69 N doub N 70 N sing N 71 N sing N 72 N sing N 73 N sing N 74 N sing N 75 N sing N 76 N sing N 77 N doub N 78 N sing N 79 N sing N 80 N sing N 81 N sing N 82 N sing N 83 N sing N 84 N sing N 85 N sing N 86 N sing N 87 N sing N 88 N sing N 89 N sing N 90 N sing N 91 N sing N 92 N sing N 93 N sing N 94 N sing N 95 N sing N 96 N sing N 97 N sing N 98 N sing N 99 N sing N 100 N sing N 101 N sing N 102 N sing N 103 N sing N 104 N sing N 105 N sing N 106 N sing N 107 N sing N 108 N sing N 109 N sing N 110 N sing N 111 N sing N 112 N sing N 113 N sing N 114 N sing N 115 N sing N 116 N sing N 117 N sing N 118 N sing N 119 N sing N 120 N sing N 121 N sing N 122 N sing N 123 N sing N 124 N sing N 125 N sing N 126 N sing N 127 N sing N 128 N sing N 129 N sing N 130 N sing N 131 N sing N 132 N sing N 133 N sing N 134 N sing N 135 N sing N 136 N sing N 137 N sing N 138 N sing N 139 N sing N 140 N sing N 141 N sing N 142 N sing N 143 N sing N 144 N sing N 145 N sing N 146 N sing N 147 N sing N 148 N sing N 149 N sing N 150 N sing N 151 N sing RCSB RCSB CCC(=O)N1CCC2(CCN(CC2)C(=O)N(C)C(C(C)C)C(=O)NC2Cc3cccc(c3)c3ccc4c(c3)c(CC(C)(C)COC(=O)C3CCCN(N3)C2=O)c(n4CC)c2cccnc2C(C)OC)C1 InChI=1S/C55H74N8O7/c1-10-46(64)61-28-23-55(33-61)21-26-60(27-22-55)53(68)59(8)48(35(3)4)50(65)57-44-30-37-15-12-16-38(29-37)39-19-20-45-41(31-39)42(49(62(45)11-2)40-17-13-24-56-47(40)36(5)69-9)32-54(6,7)34-70-52(67)43-18-14-25-63(58-43)51(44)66/h12-13,15-17,19-20,24,29,31,35-36,43-44,48,58H,10-11,14,18,21-23,25-28,30,32-34H2,1-9H3,(H,57,65)/t36-,43-,44-,48-/m0/s1 OUZIPXJLBBHQNY-LWFLJPBESA-N CCn1c2ccc3cc2c(CC(C)(C)COC(=O)[C@@H]4CCC[N@@](N4)C(=O)[C@H](Cc5cccc3c5)NC(=O)[C@H](C(C)C)N(C)C(=O)N6CC[C@]7(CC6)CCN(C7)C(=O)CC)c1c8cccnc8[C@H](C)OC CCn1c2ccc3cc2c(CC(C)(C)COC(=O)[CH]4CCC[N](N4)C(=O)[CH](Cc5cccc3c5)NC(=O)[CH](C(C)C)N(C)C(=O)N6CC[C]7(CC6)CCN(C7)C(=O)CC)c1c8cccnc8[CH](C)OC CCC(=O)N1CCC2(C1)CCN(CC2)C(=O)N(C)[C@@H](C(C)C)C(=O)N[C@H]3Cc4cccc(c4)-c5ccc6c(c5)c(c(n6CC)c7cccnc7[C@H](C)OC)CC(COC(=O)[C@@H]8CCCN(C3=O)N8)(C)C CCC(=O)N1CCC2(C1)CCN(CC2)C(=O)N(C)C(C(C)C)C(=O)NC3Cc4cccc(c4)-c5ccc6c(c5)c(c(n6CC)c7cccnc7C(C)OC)CC(COC(=O)C8CCCN(C3=O)N8)(C)C N-[(2S)-1-{[(1P,8S,10R,14S,21M)-22-ethyl-21-{2-[(1S)-1-methoxyethyl]pyridin-3-yl}-18,18-dimethyl-9,15-dioxo-16-oxa-10,22,28-triazapentacyclo[18.5.2.1~2,6~.1~10,14~.0~23,27~]nonacosa-1(25),2(29),3,5,20,23,26-heptaen-8-yl]amino}-3-methyl-1-oxobutan-2-yl]-N-methyl-2-propanoyl-2,8-diazaspiro[4.5]decane-8-carboxamide (non-preferred name) ~{N}-[(2~{S})-1-[[(8~{S},14~{S})-22-ethyl-21-[2-[(1~{S})-1-methoxyethyl]pyridin-3-yl]-18,18-dimethyl-9,15-bis(oxidanylidene)-16-oxa-10,22,28-triazapentacyclo[18.5.2.1^{2,6}.1^{10,14}.0^{23,27}]nonacosa-1(26),2,4,6(29),20,23(27),24-heptaen-8-yl]amino]-3-methyl-1-oxidanylidene-butan-2-yl]-~{N}-methyl-2-propanoyl-2,8-diazaspiro[4.5]decane-8-carboxamide