data_A1CHD # _chem_comp.id A1CHD _chem_comp.name "N-[(2R,4S)-2-ethyl-4-({(betaS)-N-[(2Z)-hex-2-enoyl]-beta-methyl-L-phenylalanyl}amino)-6-methyl-3-oxoheptanoyl]-L-alanine" _chem_comp.type non-polymer _chem_comp.pdbx_type HETAIN _chem_comp.formula "C29 H43 N3 O6" _chem_comp.mon_nstd_parent_comp_id ? _chem_comp.pdbx_synonyms ? _chem_comp.pdbx_formal_charge 0 _chem_comp.pdbx_initial_date 2025-06-25 _chem_comp.pdbx_modified_date 2026-02-20 _chem_comp.pdbx_ambiguous_flag N _chem_comp.pdbx_release_status REL _chem_comp.pdbx_replaced_by ? _chem_comp.pdbx_replaces ? _chem_comp.formula_weight 529.668 _chem_comp.one_letter_code ? _chem_comp.three_letter_code A1CHD _chem_comp.pdbx_model_coordinates_details ? _chem_comp.pdbx_model_coordinates_missing_flag N _chem_comp.pdbx_ideal_coordinates_details Corina _chem_comp.pdbx_ideal_coordinates_missing_flag N _chem_comp.pdbx_model_coordinates_db_code 9P53 _chem_comp.pdbx_subcomponent_list ? _chem_comp.pdbx_processing_site RCSB _chem_comp.pdbx_pcm ? # loop_ _chem_comp_atom.comp_id _chem_comp_atom.atom_id _chem_comp_atom.alt_atom_id _chem_comp_atom.type_symbol _chem_comp_atom.charge _chem_comp_atom.pdbx_align _chem_comp_atom.pdbx_aromatic_flag _chem_comp_atom.pdbx_leaving_atom_flag _chem_comp_atom.pdbx_stereo_config _chem_comp_atom.pdbx_n_terminal_atom_flag _chem_comp_atom.pdbx_backbone_atom_flag _chem_comp_atom.pdbx_c_terminal_atom_flag _chem_comp_atom.model_Cartn_x _chem_comp_atom.model_Cartn_y _chem_comp_atom.model_Cartn_z _chem_comp_atom.pdbx_model_Cartn_x_ideal _chem_comp_atom.pdbx_model_Cartn_y_ideal _chem_comp_atom.pdbx_model_Cartn_z_ideal _chem_comp_atom.pdbx_component_atom_id _chem_comp_atom.pdbx_component_comp_id _chem_comp_atom.pdbx_ordinal A1CHD C21 C1 C 0 1 N N N N N N 153.858 118.235 164.777 -9.121 -1.632 -0.331 C21 A1CHD 1 A1CHD C20 C2 C 0 1 N N N N N N 155.366 118.057 164.486 -8.573 -0.595 0.651 C20 A1CHD 2 A1CHD C19 C3 C 0 1 N N N N N N 155.637 116.944 163.460 -7.415 0.164 -0.002 C19 A1CHD 3 A1CHD C23 C4 C 0 1 N N S N N N 159.913 117.125 158.056 -1.947 0.853 -1.420 C23 A1CHD 4 A1CHD C13 C5 C 0 1 N N N N N N 160.594 117.538 160.435 -1.150 -0.548 0.465 C13 A1CHD 5 A1CHD C18 C6 C 0 1 N N N N N N 155.253 117.432 162.064 -6.875 1.186 0.965 C18 A1CHD 6 A1CHD C17 C7 C 0 1 N N N N N N 155.964 117.305 160.935 -5.568 1.254 1.199 C17 A1CHD 7 A1CHD C14 C8 C 0 1 N N S N N N 159.611 116.817 159.517 -2.367 -0.114 -0.311 C14 A1CHD 8 A1CHD O01 O1 O 0 1 N N N N N N 160.363 114.750 163.017 5.053 -0.961 -1.288 O01 A1CHD 9 A1CHD C02 C9 C 0 1 N N N N N N 159.833 115.362 163.879 4.457 -0.730 -0.258 C02 A1CHD 10 A1CHD N03 N1 N 0 1 N N N N N N 158.706 114.714 164.571 4.574 0.477 0.332 N03 A1CHD 11 A1CHD C04 C10 C 0 1 N N S N N N 157.961 115.354 165.652 5.330 1.544 -0.328 C04 A1CHD 12 A1CHD C05 C11 C 0 1 N N N N N N 158.775 115.402 166.932 5.835 2.515 0.708 C05 A1CHD 13 A1CHD O06 O2 O 0 1 N N N N N N 159.269 114.347 167.404 5.588 2.335 1.877 O06 A1CHD 14 A1CHD O07 O3 O 0 1 N N N N N N 158.945 116.504 167.525 6.559 3.581 0.332 O07 A1CHD 15 A1CHD C08 C12 C 0 1 N N N N N N 156.711 114.536 165.933 4.422 2.278 -1.316 C08 A1CHD 16 A1CHD C09 C13 C 0 1 N N R N N N 160.349 116.768 164.244 3.585 -1.791 0.363 C09 A1CHD 17 A1CHD C10 C14 C 0 1 N N N N N N 161.837 116.889 163.827 2.216 -1.746 -0.264 C10 A1CHD 18 A1CHD C11 C15 C 0 1 N N S N N N 162.351 117.152 162.392 0.988 -1.707 0.609 C11 A1CHD 19 A1CHD N12 N2 N 0 1 N N N N N N 161.349 116.710 161.407 -0.144 -1.188 -0.162 N12 A1CHD 20 A1CHD N15 N3 N 0 1 N N N N N N 158.277 117.312 159.799 -3.308 0.555 0.590 N15 A1CHD 21 A1CHD C16 C16 C 0 1 N N N N N N 157.360 116.651 160.745 -4.623 0.582 0.294 C16 A1CHD 22 A1CHD O22 O4 O 0 1 N N N N N N 157.667 115.656 161.324 -5.028 0.050 -0.723 O22 A1CHD 23 A1CHD C24 C17 C 0 1 Y N N N N N 159.094 116.132 157.218 -1.285 2.061 -0.809 C24 A1CHD 24 A1CHD C25 C18 C 0 1 Y N N N N N 159.592 114.878 156.878 0.021 2.374 -1.138 C25 A1CHD 25 A1CHD C26 C19 C 0 1 Y N N N N N 158.822 114.011 156.127 0.628 3.481 -0.577 C26 A1CHD 26 A1CHD C27 C20 C 0 1 Y N N N N N 157.556 114.389 155.716 -0.069 4.276 0.313 C27 A1CHD 27 A1CHD C28 C21 C 0 1 Y N N N N N 157.056 115.635 156.058 -1.375 3.963 0.642 C28 A1CHD 28 A1CHD C29 C22 C 0 1 Y N N N N N 157.825 116.505 156.810 -1.985 2.859 0.077 C29 A1CHD 29 A1CHD C30 C23 C 0 1 N N N N N N 161.409 116.998 157.765 -3.183 1.293 -2.208 C30 A1CHD 30 A1CHD O31 O5 O 0 1 N N N N N N 160.694 118.718 160.328 -1.076 -0.320 1.654 O31 A1CHD 31 A1CHD C32 C24 C 0 1 N N N N N N 162.760 118.633 162.295 0.666 -3.120 1.100 C32 A1CHD 32 A1CHD C33 C25 C 0 1 N N N N N N 163.633 118.895 161.044 0.227 -3.984 -0.084 C33 A1CHD 33 A1CHD C34 C26 C 0 1 N N N N N N 165.105 118.614 161.365 1.463 -4.495 -0.828 C34 A1CHD 34 A1CHD C35 C27 C 0 1 N N N N N N 163.441 120.311 160.508 -0.589 -5.173 0.426 C35 A1CHD 35 A1CHD O36 O6 O 0 1 N N N N N N 162.648 116.762 164.682 2.102 -1.742 -1.466 O36 A1CHD 36 A1CHD C37 C28 C 0 1 N N N N N N 159.475 117.846 163.599 4.210 -3.167 0.127 C37 A1CHD 37 A1CHD C38 C29 C 0 1 N N N N N N 158.882 118.793 164.645 5.573 -3.234 0.819 C38 A1CHD 38 A1CHD H1 H1 H 0 1 N N N N N N 153.719 119.040 165.514 -9.946 -2.172 0.135 H1 A1CHD 39 A1CHD H2 H2 H 0 1 N N N N N N 153.333 118.496 163.846 -9.478 -1.128 -1.229 H2 A1CHD 40 A1CHD H3 H3 H 0 1 N N N N N N 153.449 117.296 165.178 -8.331 -2.334 -0.597 H3 A1CHD 41 A1CHD H4 H4 H 0 1 N N N N N N 155.880 117.804 165.425 -9.363 0.107 0.918 H4 A1CHD 42 A1CHD H5 H5 H 0 1 N N N N N N 155.764 119.004 164.093 -8.216 -1.098 1.550 H5 A1CHD 43 A1CHD H6 H6 H 0 1 N N N N N N 155.039 116.057 163.715 -6.625 -0.538 -0.268 H6 A1CHD 44 A1CHD H7 H7 H 0 1 N N N N N N 156.705 116.683 163.476 -7.772 0.667 -0.900 H7 A1CHD 45 A1CHD H8 H8 H 0 1 N N N N N N 159.585 118.149 157.825 -1.247 0.355 -2.090 H8 A1CHD 46 A1CHD H9 H9 H 0 1 N N N N N N 154.302 117.936 161.977 -7.550 1.863 1.469 H9 A1CHD 47 A1CHD H10 H10 H 0 1 N N N N N N 155.508 117.709 160.043 -5.200 1.803 2.053 H10 A1CHD 48 A1CHD H11 H11 H 0 1 N N N N N N 159.670 115.732 159.689 -2.846 -0.988 -0.753 H11 A1CHD 49 A1CHD H12 H12 H 0 1 N N N N N N 158.438 113.793 164.288 4.157 0.638 1.192 H12 A1CHD 50 A1CHD H13 H13 H 0 1 N N N N N N 157.672 116.375 165.363 6.176 1.112 -0.863 H13 A1CHD 51 A1CHD H14 H14 H 0 1 N N N N N N 159.465 116.366 168.308 6.861 4.176 1.032 H14 A1CHD 52 A1CHD H15 H15 H 0 1 N N N N N N 156.139 115.007 166.746 3.576 2.710 -0.780 H15 A1CHD 53 A1CHD H16 H16 H 0 1 N N N N N N 156.090 114.492 165.026 4.985 3.072 -1.806 H16 A1CHD 54 A1CHD H17 H17 H 0 1 N N N N N N 156.999 113.517 166.230 4.057 1.575 -2.065 H17 A1CHD 55 A1CHD H18 H18 H 0 1 N N N N N N 160.290 116.883 165.336 3.500 -1.610 1.435 H18 A1CHD 56 A1CHD H19 H19 H 0 1 N N N N N N 163.260 116.549 162.253 1.172 -1.058 1.466 H19 A1CHD 57 A1CHD H20 H20 H 0 1 N N N N N N 161.153 115.729 161.392 -0.169 -1.306 -1.125 H20 A1CHD 58 A1CHD H21 H21 H 0 1 N N N N N N 157.965 118.139 159.331 -2.985 0.979 1.401 H21 A1CHD 59 A1CHD H22 H22 H 0 1 N N N N N N 160.579 114.583 157.201 0.566 1.753 -1.833 H22 A1CHD 60 A1CHD H23 H23 H 0 1 N N N N N N 159.208 113.038 155.861 1.649 3.726 -0.834 H23 A1CHD 61 A1CHD H24 H24 H 0 1 N N N N N N 156.956 113.711 155.127 0.407 5.139 0.755 H24 A1CHD 62 A1CHD H25 H25 H 0 1 N N N N N N 156.067 115.927 155.738 -1.920 4.584 1.338 H25 A1CHD 63 A1CHD H26 H26 H 0 1 N N N N N N 157.435 117.476 157.079 -3.005 2.614 0.334 H26 A1CHD 64 A1CHD H27 H27 H 0 1 N N N N N N 161.965 117.721 158.380 -2.884 1.982 -2.997 H27 A1CHD 65 A1CHD H28 H28 H 0 1 N N N N N N 161.744 115.978 158.005 -3.662 0.419 -2.650 H28 A1CHD 66 A1CHD H29 H29 H 0 1 N N N N N N 161.594 117.203 156.700 -3.883 1.791 -1.537 H29 A1CHD 67 A1CHD H30 H30 H 0 1 N N N N N N 163.331 118.907 163.194 1.553 -3.556 1.559 H30 A1CHD 68 A1CHD H31 H31 H 0 1 N N N N N N 161.853 119.252 162.235 -0.138 -3.075 1.835 H31 A1CHD 69 A1CHD H32 H32 H 0 1 N N N N N N 163.317 118.190 160.261 -0.384 -3.388 -0.762 H32 A1CHD 70 A1CHD H33 H33 H 0 1 N N N N N N 165.208 117.588 161.748 2.179 -4.896 -0.111 H33 A1CHD 71 A1CHD H34 H34 H 0 1 N N N N N N 165.707 118.726 160.451 1.169 -5.280 -1.525 H34 A1CHD 72 A1CHD H35 H35 H 0 1 N N N N N N 165.457 119.326 162.126 1.921 -3.673 -1.378 H35 A1CHD 73 A1CHD H36 H36 H 0 1 N N N N N N 162.376 120.479 160.288 0.023 -5.769 1.104 H36 A1CHD 74 A1CHD H37 H37 H 0 1 N N N N N N 163.779 121.037 161.262 -1.469 -4.809 0.956 H37 A1CHD 75 A1CHD H38 H38 H 0 1 N N N N N N 164.030 120.437 159.587 -0.901 -5.788 -0.417 H38 A1CHD 76 A1CHD H39 H39 H 0 1 N N N N N N 160.088 118.429 162.897 3.556 -3.938 0.535 H39 A1CHD 77 A1CHD H40 H40 H 0 1 N N N N N N 158.654 117.359 163.052 4.338 -3.329 -0.943 H40 A1CHD 78 A1CHD H41 H41 H 0 1 N N N N N N 158.262 119.551 164.144 6.255 -2.526 0.349 H41 A1CHD 79 A1CHD H42 H42 H 0 1 N N N N N N 158.262 118.219 165.349 5.457 -2.983 1.874 H42 A1CHD 80 A1CHD H43 H43 H 0 1 N N N N N N 159.696 119.289 165.194 5.977 -4.242 0.729 H43 A1CHD 81 # loop_ _chem_comp_bond.comp_id _chem_comp_bond.atom_id_1 _chem_comp_bond.atom_id_2 _chem_comp_bond.value_order _chem_comp_bond.pdbx_aromatic_flag _chem_comp_bond.pdbx_stereo_config _chem_comp_bond.pdbx_ordinal A1CHD C27 C28 DOUB Y N 1 A1CHD C27 C26 SING Y N 2 A1CHD C28 C29 SING Y N 3 A1CHD C26 C25 DOUB Y N 4 A1CHD C29 C24 DOUB Y N 5 A1CHD C25 C24 SING Y N 6 A1CHD C24 C23 SING N N 7 A1CHD C30 C23 SING N N 8 A1CHD C23 C14 SING N N 9 A1CHD C14 N15 SING N N 10 A1CHD C14 C13 SING N N 11 A1CHD N15 C16 SING N N 12 A1CHD O31 C13 DOUB N N 13 A1CHD C13 N12 SING N N 14 A1CHD C35 C33 SING N N 15 A1CHD C16 C17 SING N N 16 A1CHD C16 O22 DOUB N N 17 A1CHD C17 C18 DOUB N Z 18 A1CHD C33 C34 SING N N 19 A1CHD C33 C32 SING N N 20 A1CHD N12 C11 SING N N 21 A1CHD C18 C19 SING N N 22 A1CHD C32 C11 SING N N 23 A1CHD C11 C10 SING N N 24 A1CHD O01 C02 DOUB N N 25 A1CHD C19 C20 SING N N 26 A1CHD C37 C09 SING N N 27 A1CHD C37 C38 SING N N 28 A1CHD C10 C09 SING N N 29 A1CHD C10 O36 DOUB N N 30 A1CHD C02 C09 SING N N 31 A1CHD C02 N03 SING N N 32 A1CHD C20 C21 SING N N 33 A1CHD N03 C04 SING N N 34 A1CHD C04 C08 SING N N 35 A1CHD C04 C05 SING N N 36 A1CHD C05 O06 DOUB N N 37 A1CHD C05 O07 SING N N 38 A1CHD C21 H1 SING N N 39 A1CHD C21 H2 SING N N 40 A1CHD C21 H3 SING N N 41 A1CHD C20 H4 SING N N 42 A1CHD C20 H5 SING N N 43 A1CHD C19 H6 SING N N 44 A1CHD C19 H7 SING N N 45 A1CHD C23 H8 SING N N 46 A1CHD C18 H9 SING N N 47 A1CHD C17 H10 SING N N 48 A1CHD C14 H11 SING N N 49 A1CHD N03 H12 SING N N 50 A1CHD C04 H13 SING N N 51 A1CHD O07 H14 SING N N 52 A1CHD C08 H15 SING N N 53 A1CHD C08 H16 SING N N 54 A1CHD C08 H17 SING N N 55 A1CHD C09 H18 SING N N 56 A1CHD C11 H19 SING N N 57 A1CHD N12 H20 SING N N 58 A1CHD N15 H21 SING N N 59 A1CHD C25 H22 SING N N 60 A1CHD C26 H23 SING N N 61 A1CHD C27 H24 SING N N 62 A1CHD C28 H25 SING N N 63 A1CHD C29 H26 SING N N 64 A1CHD C30 H27 SING N N 65 A1CHD C30 H28 SING N N 66 A1CHD C30 H29 SING N N 67 A1CHD C32 H30 SING N N 68 A1CHD C32 H31 SING N N 69 A1CHD C33 H32 SING N N 70 A1CHD C34 H33 SING N N 71 A1CHD C34 H34 SING N N 72 A1CHD C34 H35 SING N N 73 A1CHD C35 H36 SING N N 74 A1CHD C35 H37 SING N N 75 A1CHD C35 H38 SING N N 76 A1CHD C37 H39 SING N N 77 A1CHD C37 H40 SING N N 78 A1CHD C38 H41 SING N N 79 A1CHD C38 H42 SING N N 80 A1CHD C38 H43 SING N N 81 # loop_ _pdbx_chem_comp_descriptor.comp_id _pdbx_chem_comp_descriptor.type _pdbx_chem_comp_descriptor.program _pdbx_chem_comp_descriptor.program_version _pdbx_chem_comp_descriptor.descriptor A1CHD SMILES ACDLabs 14.52 "O=C(O)C(C)NC(=O)C(CC)C(=O)C(CC(C)C)NC(=O)C(NC(=O)/C=C\CCC)C(C)c1ccccc1" A1CHD InChI InChI 1.06 "InChI=1S/C29H43N3O6/c1-7-9-11-16-24(33)32-25(19(5)21-14-12-10-13-15-21)28(36)31-23(17-18(3)4)26(34)22(8-2)27(35)30-20(6)29(37)38/h10-16,18-20,22-23,25H,7-9,17H2,1-6H3,(H,30,35)(H,31,36)(H,32,33)(H,37,38)/b16-11-/t19-,20-,22+,23-,25-/m0/s1" A1CHD InChIKey InChI 1.06 RLZOIFMWYUSYDW-GSIIADGDSA-N A1CHD SMILES_CANONICAL CACTVS 3.385 "CCC\C=C/C(=O)N[C@@H]([C@@H](C)c1ccccc1)C(=O)N[C@@H](CC(C)C)C(=O)[C@@H](CC)C(=O)N[C@@H](C)C(O)=O" A1CHD SMILES CACTVS 3.385 "CCCC=CC(=O)N[CH]([CH](C)c1ccccc1)C(=O)N[CH](CC(C)C)C(=O)[CH](CC)C(=O)N[CH](C)C(O)=O" A1CHD SMILES_CANONICAL "OpenEye OEToolkits" 3.1.0.0 "CCC/C=C\C(=O)N[C@@H]([C@@H](C)c1ccccc1)C(=O)N[C@@H](CC(C)C)C(=O)[C@@H](CC)C(=O)N[C@@H](C)C(=O)O" A1CHD SMILES "OpenEye OEToolkits" 3.1.0.0 "CCCC=CC(=O)NC(C(C)c1ccccc1)C(=O)NC(CC(C)C)C(=O)C(CC)C(=O)NC(C)C(=O)O" # loop_ _pdbx_chem_comp_identifier.comp_id _pdbx_chem_comp_identifier.type _pdbx_chem_comp_identifier.program _pdbx_chem_comp_identifier.program_version _pdbx_chem_comp_identifier.identifier A1CHD "SYSTEMATIC NAME" ACDLabs 14.52 "N-[(2R,4S)-2-ethyl-4-({(betaS)-N-[(2Z)-hex-2-enoyl]-beta-methyl-L-phenylalanyl}amino)-6-methyl-3-oxoheptanoyl]-L-alanine" A1CHD "SYSTEMATIC NAME" "OpenEye OEToolkits" 3.1.0.0 "(2~{S})-2-[[(2~{R},4~{S})-2-ethyl-4-[[(2~{S},3~{S})-2-[[(~{Z})-hex-2-enoyl]amino]-3-phenyl-butanoyl]amino]-6-methyl-3-oxidanylidene-heptanoyl]amino]propanoic acid" # loop_ _pdbx_chem_comp_audit.comp_id _pdbx_chem_comp_audit.action_type _pdbx_chem_comp_audit.date _pdbx_chem_comp_audit.processing_site A1CHD "Create component" 2025-06-25 RCSB A1CHD "Initial release" 2026-02-25 RCSB #