C40 H55 N7 O7 745.907 peptide PA1-A N 0 Corina N 2026-05-08 13IV N 2026-05-22 RCSB REL VGL CHG CHG PRO NVA PHE 1-[(2S)-2-cyclohexyl-2-({(2S)-2-cyclohexyl-2-[(pyrazine-2-carbonyl)amino]acetyl}amino)acetyl]-L-prolyl-L-norvalyl-L-phenylalanine HETAIN A1DFX peptide-like C37 0 -10.983 27.805 1.612 1 Y C1 VGL N -8.997 -0.344 -0.583 1 N C C38 0 -11.754 25.631 1.512 1 Y C3 VGL N -10.322 -1.382 0.973 2 N C C39 0 -10.719 25.241 2.349 1 Y C4 VGL N -11.427 -1.194 0.154 3 N C C1 0 -11.090 29.287 1.238 1 N C2 VGL N -7.664 0.137 -1.018 4 N C C40 0 -9.954 27.409 2.455 1 Y C6 VGL N -10.106 -0.167 -1.408 5 N C O1 0 -11.151 30.084 2.115 1 N O1 VGL N -7.538 0.687 -2.094 6 N O N6 0 -11.862 26.907 1.172 1 Y N2 VGL N -9.136 -0.951 0.592 7 N N N7 0 -9.848 26.134 2.799 1 Y N5 VGL N -11.292 -0.597 -1.016 8 N N N1 0 -11.120 29.775 -0.137 1 N N CHG N -6.593 -0.035 -0.219 9 N N C2 0 -11.051 28.934 -1.324 1 N CA CHG N -5.275 0.440 -0.648 10 S C C9 0 -9.822 29.322 -2.151 1 N C CHG N -4.202 -0.359 0.045 11 N C O7 0 -9.210 30.292 -1.865 1 N O CHG N -4.508 -1.239 0.822 12 N O C3 0 -12.354 29.046 -2.140 1 N C1 CHG N -5.124 1.919 -0.286 13 N C C4 0 -13.554 28.991 -1.183 1 N C2 CHG N -6.213 2.731 -0.990 14 N C C5 0 -14.341 30.294 -1.067 1 N C3 CHG N -6.062 4.209 -0.628 15 N C C6 0 -14.815 30.702 -2.454 1 N C4 CHG N -6.197 4.380 0.887 16 N C C7 0 -13.656 30.915 -3.427 1 N C5 CHG N -5.107 3.569 1.590 17 N C C8 0 -12.310 30.263 -3.079 1 N C6 CHG N -5.259 2.090 1.228 18 N C N2 0 -9.374 28.516 -3.277 1 N N CHG N -2.903 -0.096 -0.197 19 N N C10 0 -8.195 28.931 -4.025 1 N CA CHG N -1.860 -0.873 0.477 20 S C C17 0 -8.641 29.506 -5.379 1 N C CHG N -0.594 -0.058 0.549 21 N C O6 0 -9.432 28.922 -6.038 1 N O CHG N -0.307 0.698 -0.355 22 N O C11 0 -7.219 27.757 -4.175 1 N C1 CHG N -1.594 -2.159 -0.308 23 N C C12 0 -6.243 28.006 -5.327 1 N C2 CHG N -2.862 -3.014 -0.331 24 N C C13 0 -5.315 26.823 -5.588 1 N C3 CHG N -2.597 -4.300 -1.116 25 N C C14 0 -6.089 25.517 -5.768 1 N C4 CHG N -1.466 -5.083 -0.445 26 N C C15 0 -7.051 25.264 -4.611 1 N C5 CHG N -0.198 -4.227 -0.423 27 N C C16 0 -7.987 26.445 -4.357 1 N C6 CHG N -0.463 -2.941 0.362 28 N C N3 0 -8.111 30.772 -5.856 1 N N PRO N 0.219 -0.170 1.618 29 N N C21 0 -8.514 31.475 -7.245 1 N CA PRO N 1.427 0.632 1.863 30 S C C22 0 -7.729 30.984 -8.443 1 N C PRO N 2.430 0.397 0.764 31 N C O5 0 -6.735 30.356 -8.312 1 N O PRO N 2.164 -0.355 -0.149 32 N O C20 0 -8.311 32.814 -7.085 1 N CB PRO N 2.014 0.175 3.216 33 N C C19 0 -7.282 32.955 -5.924 1 N CG PRO N 0.792 -0.465 3.926 34 N C C18 0 -7.232 31.541 -5.230 1 N CD PRO N 0.041 -1.112 2.738 35 N C N4 0 -8.272 31.329 -9.749 1 N N NVA N 3.623 1.023 0.795 36 N N C23 0 -7.704 30.990 -11.043 1 N CA NVA N 4.598 0.795 -0.274 37 S C C24 0 -7.738 29.482 -11.306 1 N CB NVA N 4.301 1.735 -1.445 38 N C C25 0 -9.057 28.831 -10.896 1 N CG NVA N 2.943 1.378 -2.053 39 N C C26 0 -8.830 27.694 -9.905 1 N CD NVA N 2.646 2.317 -3.223 40 N C C27 0 -8.580 31.699 -12.068 1 N C NVA N 5.987 1.065 0.246 41 N C O4 0 -9.146 32.691 -11.752 1 N O NVA N 6.146 1.413 1.397 42 N O N5 0 -8.735 31.168 -13.410 1 N N PHE N 7.052 0.919 -0.567 43 N N C28 0 -9.584 31.843 -14.376 1 N CA PHE N 8.401 1.181 -0.061 44 S C C36 0 -9.946 30.849 -15.478 1 N C PHE N 8.702 2.654 -0.171 45 N C O3 0 -10.616 31.222 -16.476 1 N O PHE N 7.873 3.407 -0.625 46 N O C29 0 -8.886 33.067 -14.978 1 N CB PHE N 9.418 0.390 -0.887 47 N C C30 0 -9.839 34.233 -15.246 1 Y CG PHE N 9.194 -1.086 -0.679 48 N C C31 0 -9.374 35.365 -15.901 1 Y CD1 PHE N 9.849 -1.747 0.343 49 N C C35 0 -11.166 34.168 -14.839 1 Y CD2 PHE N 8.330 -1.777 -1.508 50 N C C32 0 -10.232 36.427 -16.150 1 Y CE1 PHE N 9.644 -3.101 0.533 51 N C C34 0 -12.024 35.228 -15.088 1 Y CE2 PHE N 8.125 -3.131 -1.318 52 N C C33 0 -11.555 36.357 -15.744 1 Y CZ PHE N 8.784 -3.793 -0.299 53 N C O2 0 -9.573 29.651 -15.381 1 N OXT PHE N 9.889 3.129 0.236 54 N O H50 0 -9.246 28.134 2.827 1 N H6 VGL N -9.997 0.322 -2.365 55 N H H48 0 -12.462 24.904 1.142 1 N H3 VGL N -10.436 -1.871 1.929 56 N H H49 0 -10.622 24.204 2.636 1 N H4 VGL N -12.399 -1.538 0.475 57 N H H51 0 -11.194 30.763 -0.275 1 N H2 CHG N -6.693 -0.474 0.641 58 N H H1 0 -10.935 27.885 -1.014 1 N HA CHG N -5.179 0.319 -1.727 59 N H H2 0 -12.410 28.151 -2.777 1 N H1 CHG N -4.143 2.273 -0.605 60 N H H4 0 -13.182 28.726 -0.182 1 N H2B CHG N -6.117 2.609 -2.069 61 N H H3 0 -14.240 28.208 -1.539 1 N H2A CHG N -7.193 2.377 -0.670 62 N H H5 0 -13.695 31.081 -0.650 1 N H3 CHG N -5.081 4.563 -0.947 63 N H H6 0 -15.209 30.145 -0.408 1 N H3A CHG N -6.838 4.788 -1.129 64 N H H7 0 -15.384 31.640 -2.371 1 N H4 CHG N -6.089 5.434 1.145 65 N H H8 0 -15.468 29.911 -2.851 1 N H4A CHG N -7.177 4.026 1.206 66 N H H10 0 -13.970 30.521 -4.405 1 N H5 CHG N -4.127 3.922 1.271 67 N H H9 0 -13.487 31.999 -3.506 1 N H5A CHG N -5.204 3.690 2.669 68 N H H11 0 -11.843 29.940 -4.021 1 N H6 CHG N -6.239 1.736 1.548 69 N H H12 0 -11.682 31.030 -2.602 1 N H6A CHG N -4.483 1.512 1.730 70 N H H52 0 -9.870 27.687 -3.534 1 N H2 CHG N -2.658 0.608 -0.818 71 N H H13 0 -7.682 29.730 -3.470 1 N HA CHG N -2.188 -1.124 1.485 72 N H H14 0 -6.635 27.682 -3.246 1 N H1 CHG N -1.307 -1.908 -1.330 73 N H H16 0 -6.822 28.205 -6.241 1 N H2B CHG N -3.150 -3.264 0.691 74 N H H15 0 -5.629 28.886 -5.083 1 N H2A CHG N -3.668 -2.457 -0.808 75 N H H17 0 -4.629 26.715 -4.735 1 N H3 CHG N -3.501 -4.909 -1.132 76 N H H18 0 -4.735 27.021 -6.502 1 N H3A CHG N -2.310 -4.050 -2.137 77 N H H19 0 -6.664 25.570 -6.704 1 N H4 CHG N -1.753 -5.333 0.576 78 N H H20 0 -5.373 24.684 -5.824 1 N H4A CHG N -1.277 -5.999 -1.005 79 N H H21 0 -7.658 24.377 -4.845 1 N H5 CHG N 0.608 -4.785 0.055 80 N H H22 0 -6.464 25.077 -3.699 1 N H5A CHG N 0.090 -3.977 -1.444 81 N H H23 0 -8.669 26.549 -5.214 1 N H6 CHG N 0.441 -2.332 0.378 82 N H H24 0 -8.571 26.246 -3.446 1 N H6A CHG N -0.750 -3.192 1.383 83 N H H31 0 -9.580 31.266 -7.420 1 N HA PRO N 1.167 1.689 1.911 84 N H H29 0 -7.907 33.253 -8.009 1 N HB2 PRO N 2.801 -0.564 3.064 85 N H H30 0 -9.254 33.315 -6.823 1 N HB3 PRO N 2.387 1.028 3.782 86 N H H27 0 -6.291 33.224 -6.319 1 N HG2 PRO N 1.109 -1.218 4.647 87 N H H28 0 -7.613 33.723 -5.209 1 N HG3 PRO N 0.176 0.297 4.405 88 N H H25 0 -6.223 31.112 -5.319 1 N HD2 PRO N -1.017 -1.225 2.974 89 N H H26 0 -7.499 31.632 -4.167 1 N HD3 PRO N 0.483 -2.078 2.495 90 N H H53 0 -9.124 31.853 -9.756 1 N H NVA N 3.836 1.625 1.525 91 N H H32 0 -6.670 31.356 -11.122 1 N HA NVA N 4.532 -0.239 -0.612 92 N H H33 0 -7.583 29.311 -12.381 1 N HB2 NVA N 4.280 2.764 -1.088 93 N H H34 0 -6.923 29.009 -10.738 1 N HB3 NVA N 5.078 1.628 -2.202 94 N H H35 0 -9.701 29.590 -10.429 1 N HG2 NVA N 2.964 0.348 -2.409 95 N H H36 0 -9.553 28.431 -11.793 1 N HG3 NVA N 2.167 1.484 -1.295 96 N H H37 0 -9.797 27.248 -9.631 1 N HD1 NVA N 1.679 2.063 -3.656 97 N H H38 0 -8.190 26.928 -10.367 1 N HD2 NVA N 2.625 3.347 -2.867 98 N H H39 0 -8.338 28.087 -9.003 1 N HD3 NVA N 3.422 2.211 -3.981 99 N H H54 0 -8.254 30.331 -13.671 1 N H PHE N 6.924 0.640 -1.487 100 N H H40 0 -10.510 32.175 -13.885 1 N HA PHE N 8.464 0.874 0.983 101 N H H41 0 -8.420 32.771 -15.929 1 N HB2 PHE N 9.295 0.632 -1.942 102 N H H42 0 -8.108 33.405 -14.278 1 N HB3 PHE N 10.427 0.653 -0.569 103 N H H43 0 -8.343 35.419 -16.217 1 N HD1 PHE N 10.520 -1.206 0.993 104 N H H47 0 -11.530 33.289 -14.327 1 N HD2 PHE N 7.816 -1.259 -2.304 105 N H H44 0 -9.869 37.307 -16.660 1 N HE1 PHE N 10.156 -3.618 1.331 106 N H H46 0 -13.055 35.175 -14.772 1 N HE2 PHE N 7.450 -3.671 -1.965 107 N H H45 0 -12.223 37.183 -15.939 1 N HZ PHE N 8.625 -4.851 -0.151 108 N H H55 0 -9.876 29.162 -16.137 1 N HXT PHE N 10.036 4.080 0.146 109 N H N 1 N doub Y 2 N doub Y 3 N sing Y 4 N sing Y 5 N doub N 6 N sing N 7 N sing N 8 N sing Y 9 N doub Y 10 N sing N 11 N sing N 12 N sing N 13 N sing N 14 N doub N 15 N sing 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 doub 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 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 doub N 45 N sing N 46 N sing N 47 N sing N 48 N sing N 49 N sing N 50 N sing Y 51 N doub Y 52 N sing N 53 N sing N 54 N doub Y 55 N sing Y 56 N doub Y 57 N doub Y 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 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 sing 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 RCSB RCSB RCSB RCSB O=C(NC(CCC)C(=O)NC(Cc1ccccc1)C(=O)O)C1CCCN1C(=O)C(NC(=O)C(NC(=O)c1cnccn1)C1CCCCC1)C1CCCCC1 InChI=1S/C40H55N7O7/c1-2-13-29(35(48)44-30(40(53)54)24-26-14-6-3-7-15-26)43-37(50)32-20-12-23-47(32)39(52)34(28-18-10-5-11-19-28)46-38(51)33(27-16-8-4-9-17-27)45-36(49)31-25-41-21-22-42-31/h3,6-7,14-15,21-22,25,27-30,32-34H,2,4-5,8-13,16-20,23-24H2,1H3,(H,43,50)(H,44,48)(H,45,49)(H,46,51)(H,53,54)/t29-,30-,32-,33-,34-/m0/s1 FLUIZNKENXFZDI-SMYHUWTMSA-N CCC[C@H](NC(=O)[C@@H]1CCCN1C(=O)[C@@H](NC(=O)[C@@H](NC(=O)c2cnccn2)C3CCCCC3)C4CCCCC4)C(=O)N[C@@H](Cc5ccccc5)C(O)=O CCC[CH](NC(=O)[CH]1CCCN1C(=O)[CH](NC(=O)[CH](NC(=O)c2cnccn2)C3CCCCC3)C4CCCCC4)C(=O)N[CH](Cc5ccccc5)C(O)=O CCC[C@@H](C(=O)N[C@@H](Cc1ccccc1)C(=O)O)NC(=O)[C@@H]2CCCN2C(=O)[C@H](C3CCCCC3)NC(=O)[C@H](C4CCCCC4)NC(=O)c5cnccn5 CCCC(C(=O)NC(Cc1ccccc1)C(=O)O)NC(=O)C2CCCN2C(=O)C(C3CCCCC3)NC(=O)C(C4CCCCC4)NC(=O)c5cnccn5 1-[(2S)-2-cyclohexyl-2-({(2S)-2-cyclohexyl-2-[(pyrazine-2-carbonyl)amino]acetyl}amino)acetyl]-L-prolyl-L-norvalyl-L-phenylalanine (2~{S})-2-[[(2~{S})-2-[[(2~{S})-1-[(2~{S})-2-cyclohexyl-2-[[(2~{S})-2-cyclohexyl-2-(pyrazin-2-ylcarbonylamino)ethanoyl]amino]ethanoyl]pyrrolidin-2-yl]carbonylamino]pentanoyl]amino]-3-phenyl-propanoic acid 1-[(2S)-2-cyclohexyl-2-({(2S)-2-cyclohexyl-2-[(pyrazine-2-carbonyl)amino]acetyl}amino)acetyl]-L-prolyl-L-norvalyl-L-phenylalanine PDB