C23 H35 N4 O5 P 478.522 N~2~-[(2S,4S)-3-benzyl-4-methyl-2-oxo-1,3,2lambda~5~-oxazaphospholidin-2-yl]-N-{(2S)-1-oxo-3-[(3S)-2-oxopyrrolidin-3-yl]propan-2-yl}-L-leucinamide N 0 Corina N 2025-12-08 9ZJ4 N 2026-06-05 RCSB REL HETAIN A1C2T non-polymer C1 0 9.904 -4.020 22.630 1 N C4 A1C2T N -0.027 1.008 0.980 1 S C C2 0 10.636 -5.064 23.477 1 N C5 A1C2T N 0.061 1.672 2.355 2 N C C3 0 12.061 -4.690 23.885 1 N C6 A1C2T N -0.803 2.935 2.367 3 N C C4 0 12.884 -4.262 22.686 1 N C7 A1C2T N -0.820 3.528 3.778 4 N C C5 0 12.735 -5.841 24.608 1 N C8 A1C2T N -0.223 3.959 1.390 5 N C C6 0 8.474 -4.464 22.319 1 N C9 A1C2T N 0.899 -0.181 0.936 6 N C C7 0 6.945 -5.397 20.620 1 N C11 A1C2T N 3.122 -1.166 1.089 7 S C C8 0 6.430 -4.527 19.474 1 N C12 A1C2T N 4.511 -0.714 0.633 8 N C C9 0 6.138 -3.068 19.860 1 N C13 A1C2T N 4.429 -0.186 -0.801 9 S C C10 0 5.750 -2.225 18.659 1 N C14 A1C2T N 5.789 0.279 -1.272 10 N C N1 0 4.748 -1.421 19.014 1 N N15 A1C2T N 6.028 -0.172 -2.516 11 N N C11 0 4.375 -1.513 20.419 1 N C16 A1C2T N 4.897 -0.960 -3.022 12 N C C12 0 4.958 -2.863 20.826 1 N C17 A1C2T N 4.060 -1.327 -1.777 13 N C C13 0 7.015 -6.870 20.248 1 N C19 A1C2T N 3.220 -1.778 2.463 14 N C C14 0 7.321 -0.414 24.072 1 N C23 A1C2T N -3.720 -0.875 -1.717 15 N C C15 0 6.447 0.490 23.239 1 Y C24 A1C2T N -3.676 -1.922 -0.634 16 N C C16 0 5.090 0.599 23.505 1 Y C25 A1C2T N -4.832 -2.267 0.041 17 N C C17 0 4.284 1.425 22.741 1 Y C26 A1C2T N -4.792 -3.227 1.035 18 N C C18 0 4.822 2.152 21.703 1 Y C27 A1C2T N -3.595 -3.841 1.355 19 N C C19 0 6.167 2.053 21.428 1 Y C28 A1C2T N -2.439 -3.496 0.680 20 N C C20 0 6.976 1.228 22.189 1 Y C29 A1C2T N -2.481 -2.540 -0.319 21 N C C21 0 9.561 0.816 24.092 1 N C30 A1C2T N -3.863 1.526 -2.071 22 S C C22 0 9.509 1.133 25.580 1 N C31 A1C2T N -4.870 2.460 -1.396 23 N C C23 0 10.956 0.467 23.594 1 N C32 A1C2T N -2.615 2.323 -2.470 24 N C N2 0 8.250 -4.921 21.081 1 N N10 A1C2T N 2.222 -0.011 1.132 25 N N N3 0 8.754 -0.359 23.738 1 N N22 A1C2T N -3.480 0.449 -1.129 26 N N N4 0 9.875 -2.734 23.338 1 N N3 A1C2T N -1.406 0.562 0.738 27 N N O1 0 8.798 -1.610 21.373 1 N O1 A1C2T N -1.002 -0.195 -1.724 28 N O O2 0 6.290 -2.261 17.558 1 N O18 A1C2T N 6.553 0.961 -0.623 29 N O O3 0 5.759 -7.352 19.791 1 N O20 A1C2T N 2.602 -1.299 3.383 30 N O O4 0 7.596 -4.384 23.174 1 N O21 A1C2T N 0.454 -1.289 0.725 31 N O O5 0 10.821 -0.486 22.518 1 N O33 A1C2T N -1.658 2.266 -1.387 32 N O P1 0 9.477 -1.337 22.646 1 N P2 A1C2T N -1.813 0.717 -0.887 33 S P H1 0 10.446 -3.900 21.680 1 N H1 A1C2T N 0.264 1.723 0.211 34 N H H2 0 10.052 -5.228 24.394 1 N H2 A1C2T N -0.297 0.980 3.117 35 N H H3 0 10.682 -5.999 22.899 1 N H3 A1C2T N 1.097 1.939 2.564 36 N H H4 0 12.002 -3.839 24.580 1 N H4 A1C2T N -1.820 2.682 2.068 37 N H H5 0 13.901 -4.000 23.013 1 N H5 A1C2T N 0.197 3.781 4.078 38 N H H6 0 12.933 -5.088 21.961 1 N H6 A1C2T N -1.436 4.427 3.786 39 N H H7 0 12.415 -3.387 22.213 1 N H7 A1C2T N -1.233 2.798 4.474 40 N H H8 0 12.125 -6.138 25.474 1 N H8 A1C2T N -0.211 3.537 0.386 41 N H H9 0 12.838 -6.695 23.922 1 N H9 A1C2T N -0.839 4.859 1.399 42 N H H10 0 13.731 -5.525 24.952 1 N H10 A1C2T N 0.794 4.212 1.690 43 N H H11 0 6.232 -5.300 21.452 1 N H11 A1C2T N 2.733 -1.905 0.390 44 N H H12 0 5.499 -4.974 19.095 1 N H12 A1C2T N 4.870 0.077 1.291 45 N H H13 0 7.188 -4.526 18.677 1 N H13 A1C2T N 5.199 -1.559 0.670 46 N H H14 0 7.042 -2.639 20.317 1 N H14 A1C2T N 3.702 0.623 -0.868 47 N H H15 0 4.291 -0.807 18.370 1 N H15 A1C2T N 6.842 -0.000 -3.014 48 N H H16 0 4.821 -0.695 21.003 1 N H16 A1C2T N 4.303 -0.364 -3.715 49 N H H17 0 3.282 -1.498 20.542 1 N H17 A1C2T N 5.258 -1.863 -3.514 50 N H H18 0 4.212 -3.663 20.707 1 N H18 A1C2T N 4.360 -2.296 -1.377 51 N H H19 0 5.307 -2.839 21.869 1 N H19 A1C2T N 2.994 -1.315 -2.007 52 N H H20 0 7.907 -7.474 20.322 1 N H20 A1C2T N 3.843 -2.645 2.625 53 N H H22 0 7.203 -0.127 25.128 1 N H22 A1C2T N -2.951 -1.088 -2.460 54 N H H23 0 6.976 -1.449 23.932 1 N H23 A1C2T N -4.700 -0.888 -2.195 55 N H H24 0 4.658 0.033 24.317 1 N H24 A1C2T N -5.767 -1.787 -0.208 56 N H H25 0 3.229 1.500 22.960 1 N H25 A1C2T N -5.695 -3.496 1.563 57 N H H26 0 4.192 2.796 21.108 1 N H26 A1C2T N -3.564 -4.590 2.132 58 N H H27 0 6.593 2.622 20.615 1 N H27 A1C2T N -1.505 -3.975 0.929 59 N H H28 0 8.030 1.157 21.964 1 N H28 A1C2T N -1.578 -2.271 -0.846 60 N H H29 0 9.196 1.690 23.533 1 N H29 A1C2T N -4.315 1.088 -2.961 61 N H H30 0 8.475 1.375 25.868 1 N H30 A1C2T N -5.161 3.246 -2.093 62 N H H31 0 9.854 0.260 26.153 1 N H31 A1C2T N -5.752 1.891 -1.101 63 N H H32 0 10.160 1.993 25.794 1 N H32 A1C2T N -4.414 2.909 -0.513 64 N H H33 0 11.545 0.026 24.412 1 N H33 A1C2T N -2.177 1.890 -3.370 65 N H H34 0 11.459 1.374 23.228 1 N H34 A1C2T N -2.888 3.361 -2.660 66 N H H35 0 9.015 -4.938 20.437 1 N H35 A1C2T N 2.578 0.875 1.301 67 N H H36 0 9.232 -2.855 24.094 1 N H36 A1C2T N -1.541 -0.385 1.056 68 N H N 1 N doub N 2 N sing N 3 N sing N 4 N sing N 5 N sing N 6 N sing N 7 N doub N 8 N sing N 9 N sing N 10 N sing N 11 N sing N 12 N sing N 13 N doub Y 14 N doub Y 15 N sing Y 16 N sing Y 17 N doub N 18 N sing N 19 N doub N 20 N sing N 21 N sing N 22 N sing N 23 N sing N 24 N sing N 25 N sing N 26 N sing Y 27 N doub Y 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 sing N 35 N sing N 36 N sing N 37 N sing N 38 N sing N 39 N sing N 40 N sing N 41 N sing N 42 N sing N 43 N sing N 44 N sing N 45 N sing N 46 N sing N 47 N sing N 48 N sing N 49 N sing N 50 N sing N 51 N sing N 52 N sing N 53 N sing N 54 N sing N 55 N sing N 56 N sing N 57 N sing N 58 N sing N 59 N sing N 60 N sing N 61 N sing N 62 N sing N 63 N sing N 64 N sing N 65 N sing N 66 N sing N 67 N sing N 68 N sing N 69 N sing N 70 N sing RCSB RCSB O=P1(NC(CC(C)C)C(=O)NC(C=O)CC2CCNC2=O)OCC(C)N1Cc1ccccc1 InChI=1S/C23H35N4O5P/c1-16(2)11-21(23(30)25-20(14-28)12-19-9-10-24-22(19)29)26-33(31)27(17(3)15-32-33)13-18-7-5-4-6-8-18/h4-8,14,16-17,19-21H,9-13,15H2,1-3H3,(H,24,29)(H,25,30)(H,26,31)/t17-,19-,20-,21-,33-/m0/s1 NKUSPSAHCKVYTP-KIPCVDKASA-N CC(C)C[C@H](N[P@]1(=O)OC[C@H](C)N1Cc2ccccc2)C(=O)N[C@@H](C[C@@H]3CCNC3=O)C=O CC(C)C[CH](N[P]1(=O)OC[CH](C)N1Cc2ccccc2)C(=O)N[CH](C[CH]3CCNC3=O)C=O C[C@H]1CO[P@](=O)(N1Cc2ccccc2)N[C@@H](CC(C)C)C(=O)N[C@@H](C[C@@H]3CCNC3=O)C=O CC1COP(=O)(N1Cc2ccccc2)NC(CC(C)C)C(=O)NC(CC3CCNC3=O)C=O N~2~-[(2S,4S)-3-benzyl-4-methyl-2-oxo-1,3,2lambda~5~-oxazaphospholidin-2-yl]-N-{(2S)-1-oxo-3-[(3S)-2-oxopyrrolidin-3-yl]propan-2-yl}-L-leucinamide (2~{S})-4-methyl-2-[[(2~{S},4~{S})-4-methyl-2-oxidanylidene-3-(phenylmethyl)-1,3,2$l^{5}-oxazaphospholidin-2-yl]amino]-~{N}-[(2~{S})-1-oxidanylidene-3-[(3~{S})-2-oxidanylidenepyrrolidin-3-yl]propan-2-yl]pentanamide