data_A1ECV # _chem_comp.id A1ECV _chem_comp.name "Chlorophyll C3" _chem_comp.type non-polymer _chem_comp.pdbx_type HETAIN _chem_comp.formula "C36 H28 Mg N4 O7" _chem_comp.mon_nstd_parent_comp_id ? _chem_comp.pdbx_synonyms "magnesium;(E)-3-[(3R)-11,16-bis(ethenyl)-3,12-bis(methoxycarbonyl)-17,21,26-trimethyl-4-oxido-7,23,24,25-tetrazahexacyclo[18.2.1.15,8.110,13.115,18.02,6]hexacosa-1,4,6,8(26),9,11,13,15(24),16,18,20(23),21-dodecaen-22-yl]prop-2-enoate" _chem_comp.pdbx_formal_charge 2 _chem_comp.pdbx_initial_date 2024-10-02 _chem_comp.pdbx_modified_date 2025-08-15 _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 652.935 _chem_comp.one_letter_code ? _chem_comp.three_letter_code A1ECV _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 9JJ8 _chem_comp.pdbx_subcomponent_list ? _chem_comp.pdbx_processing_site PDBC _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 A1ECV C3 C1 C 0 1 N N N N N N 266.080 186.193 213.056 5.853 0.672 4.426 C3 A1ECV 1 A1ECV NB N1 N 1 1 N N R N N N 258.850 184.374 213.694 1.999 -1.622 -1.339 NB A1ECV 2 A1ECV ND N2 N 1 1 N N S N N N 257.597 187.844 212.194 -0.009 1.225 -1.722 ND A1ECV 3 A1ECV C1A C2 C 0 1 N N N N N N 255.058 185.950 212.285 -1.974 -0.747 -0.322 C1A A1ECV 4 A1ECV C1B C3 C 0 1 N N N N N N 258.114 183.298 214.020 1.570 -2.889 -1.416 C1B A1ECV 5 A1ECV C1C C4 C 0 1 Y N N N N N 261.105 186.294 213.333 3.372 0.389 0.454 C1C A1ECV 6 A1ECV C1D C5 C 0 1 N N N N N N 258.183 189.043 211.972 0.353 2.491 -1.695 C1D A1ECV 7 A1ECV C2A C6 C 0 1 N N N N N N 253.891 185.036 212.287 -2.660 -1.756 0.452 C2A A1ECV 8 A1ECV C2B C7 C 0 1 N N N N N N 258.878 182.095 214.380 2.657 -3.598 -1.969 C2B A1ECV 9 A1ECV C2C C8 C 0 1 Y N N N N N 262.348 187.046 213.128 3.827 1.370 1.341 C2C A1ECV 10 A1ECV C2D C9 C 0 1 N N N N N N 257.337 190.011 211.243 -0.704 3.226 -2.291 C2D A1ECV 11 A1ECV C3A C10 C 0 1 N N N N N N 254.353 183.848 212.986 -1.810 -2.883 0.494 C3A A1ECV 12 A1ECV C3B C11 C 0 1 N N N N N N 260.246 182.588 214.300 3.786 -2.802 -1.805 C3B A1ECV 13 A1ECV C3C C12 C 0 1 Y N N N N N 261.873 188.353 212.723 3.011 2.530 1.153 C3C A1ECV 14 A1ECV C3D C13 C 0 1 N N N N N N 256.113 189.244 211.166 -1.842 2.414 -2.249 C3D A1ECV 15 A1ECV C4A C14 C 0 1 N N N N N N 255.746 184.220 213.285 -0.627 -2.580 -0.163 C4A A1ECV 16 A1ECV C4B C15 C 0 1 N N N N N N 260.108 184.002 213.927 3.321 -1.577 -1.145 C4B A1ECV 17 A1ECV C4C C16 C 0 1 Y N N N N N 260.408 188.174 212.711 2.056 2.224 0.172 C4C A1ECV 18 A1ECV C4D C17 C 0 1 N N N N N N 256.283 188.065 211.773 -1.324 1.142 -1.792 C4D A1ECV 19 A1ECV CAA C18 C 0 1 N N N N N N 252.523 185.187 211.767 -3.984 -1.633 1.074 CAA A1ECV 20 A1ECV CAB C19 C 0 1 N N N N N N 261.493 181.840 214.560 5.166 -3.124 -2.209 CAB A1ECV 21 A1ECV CAC C20 C 0 1 N N N N N N 262.635 189.573 212.381 3.148 3.811 1.862 CAC A1ECV 22 A1ECV CAD C21 C 0 1 N N N N N N 254.759 189.395 210.645 -3.281 2.197 -2.368 CAD A1ECV 23 A1ECV CBA C22 C 0 1 N N N N N N 251.547 185.285 212.662 -4.133 -1.869 2.397 CBA A1ECV 24 A1ECV CBB C23 C 0 1 N N N N N N 262.195 182.106 215.646 6.145 -2.254 -1.982 CBB A1ECV 25 A1ECV CBC C24 C 0 1 N N N N N N 263.379 189.619 211.299 3.232 3.831 3.191 CBC A1ECV 26 A1ECV CBD C25 C 0 1 N N R N N N 254.038 188.137 210.938 -3.607 0.911 -1.613 CBD A1ECV 27 A1ECV CED C26 C 0 1 N N N N N N 251.395 187.739 209.770 -6.576 1.543 0.652 CED A1ECV 28 A1ECV CGA C27 C 0 1 N N N N N N 250.145 185.428 212.250 -5.465 -1.831 3.000 CGA A1ECV 29 A1ECV CGD C28 C 0 1 N N N N N N 252.810 188.420 211.726 -4.470 1.224 -0.418 CGD A1ECV 30 A1ECV CHA C29 C 0 1 N N N N N N 255.032 187.292 211.675 -2.309 0.316 -1.162 CHA A1ECV 31 A1ECV CHB C30 C 0 1 N N N N N N 256.643 183.307 214.000 0.392 -3.326 -0.767 CHB A1ECV 32 A1ECV CHC C31 C 0 1 N N N N N N 261.226 184.904 213.746 3.946 -0.668 -0.268 CHC A1ECV 33 A1ECV CHD C32 C 0 1 N N N N N N 259.558 189.289 212.338 1.357 2.958 -0.793 CHD A1ECV 34 A1ECV CMA C33 C 0 1 N N N N N N 253.623 182.579 213.303 -2.135 -4.201 1.148 CMA A1ECV 35 A1ECV CMB C34 C 0 1 N N N N N N 258.359 180.744 214.719 2.605 -4.958 -2.614 CMB A1ECV 36 A1ECV CMC C35 C 0 1 N N N N N N 263.714 186.539 213.401 4.940 1.234 2.292 CMC A1ECV 37 A1ECV CMD C36 C 0 1 N N N N N N 257.457 191.385 210.670 -0.618 4.618 -2.862 CMD A1ECV 38 A1ECV NA N3 N 0 1 N N S N N N 256.153 185.430 212.862 -0.666 -1.196 -0.268 NA A1ECV 39 A1ECV NC N4 N 0 1 Y N N N N N 259.935 186.933 213.046 2.116 0.846 0.146 NC A1ECV 40 A1ECV O1 O1 O 0 1 N N N N N N 263.937 186.047 214.494 6.069 1.529 1.953 O1 A1ECV 41 A1ECV O1A O2 O 0 1 N N N N N N 249.308 185.807 213.045 -6.445 -1.668 2.299 O1A A1ECV 42 A1ECV O1D O3 O 0 1 N N N N N N 252.878 188.920 212.831 -3.958 1.510 0.638 O1D A1ECV 43 A1ECV O2 O4 O 0 1 N N N N N N 264.835 186.618 212.505 4.708 0.781 3.540 O2 A1ECV 44 A1ECV O2A O5 O 0 1 N N N N N N 249.769 185.128 211.014 -5.605 -1.976 4.334 O2A A1ECV 45 A1ECV O2D O6 O 0 1 N N N N N N 251.514 188.096 211.150 -5.807 1.186 -0.527 O2D A1ECV 46 A1ECV OBD O7 O 0 1 N N N N N N 254.276 190.465 209.989 -4.069 2.906 -2.958 OBD A1ECV 47 A1ECV MG MG1 MG 0 0 N N N N N N 258.006 186.169 213.291 0.859 -0.203 -0.826 MG A1ECV 48 A1ECV H1 H1 H 0 1 N N N N N N 266.870 186.291 212.297 5.528 0.297 5.396 H1 A1ECV 49 A1ECV H2 H2 H 0 1 N N N N N N 266.328 186.818 213.926 6.581 -0.016 3.995 H2 A1ECV 50 A1ECV H3 H3 H 0 1 N N N N N N 266.002 185.142 213.370 6.311 1.653 4.550 H3 A1ECV 51 A1ECV H4 H4 H 0 1 N N N N N N 252.322 185.217 210.706 -4.838 -1.355 0.475 H4 A1ECV 52 A1ECV H5 H5 H 0 1 N N N N N N 261.828 181.082 213.867 5.381 -4.067 -2.690 H5 A1ECV 53 A1ECV H6 H6 H 0 1 N N N N N N 262.579 190.436 213.028 3.180 4.735 1.305 H6 A1ECV 54 A1ECV H8 H8 H 0 1 N N N N N N 251.789 185.259 213.714 -3.270 -2.086 3.008 H8 A1ECV 55 A1ECV H9 H9 H 0 1 N N N N N N 263.108 181.565 215.845 5.930 -1.311 -1.501 H9 A1ECV 56 A1ECV H10 H10 H 0 1 N N N N N N 261.856 182.865 216.336 7.156 -2.490 -2.278 H10 A1ECV 57 A1ECV H11 H11 H 0 1 N N N N N N 263.931 190.516 211.061 3.199 2.906 3.748 H11 A1ECV 58 A1ECV H12 H12 H 0 1 N N N N N N 263.439 188.759 210.648 3.332 4.772 3.711 H12 A1ECV 59 A1ECV H13 H13 H 0 1 N N N N N N 253.764 187.640 209.996 -4.126 0.216 -2.273 H13 A1ECV 60 A1ECV H14 H14 H 0 1 N N N N N N 250.341 187.533 209.534 -7.637 1.397 0.452 H14 A1ECV 61 A1ECV H15 H15 H 0 1 N N N N N N 251.755 188.569 209.144 -6.273 0.913 1.487 H15 A1ECV 62 A1ECV H16 H16 H 0 1 N N N N N N 251.998 186.841 209.570 -6.394 2.589 0.901 H16 A1ECV 63 A1ECV H17 H17 H 0 1 N N N N N N 256.161 182.541 214.589 0.259 -4.397 -0.732 H17 A1ECV 64 A1ECV H18 H18 H 0 1 N N N N N N 262.218 184.519 213.930 5.009 -0.804 -0.133 H18 A1ECV 65 A1ECV H19 H19 H 0 1 N N N N N N 259.951 190.295 212.334 1.607 4.006 -0.863 H19 A1ECV 66 A1ECV H20 H20 H 0 1 N N N N N N 253.753 181.864 212.477 -3.132 -4.154 1.586 H20 A1ECV 67 A1ECV H21 H21 H 0 1 N N N N N N 254.027 182.145 214.230 -2.104 -4.995 0.401 H21 A1ECV 68 A1ECV H22 H22 H 0 1 N N N N N N 252.553 182.795 213.436 -1.405 -4.409 1.930 H22 A1ECV 69 A1ECV H23 H23 H 0 1 N N N N N N 259.201 180.072 214.940 2.416 -4.847 -3.682 H23 A1ECV 70 A1ECV H24 H24 H 0 1 N N N N N N 257.705 180.813 215.600 3.557 -5.468 -2.465 H24 A1ECV 71 A1ECV H25 H25 H 0 1 N N N N N N 257.787 180.347 213.868 1.805 -5.544 -2.162 H25 A1ECV 72 A1ECV H26 H26 H 0 1 N N N N N N 256.502 191.674 210.207 -0.351 4.562 -3.917 H26 A1ECV 73 A1ECV H27 H27 H 0 1 N N N N N N 257.706 192.096 211.472 -1.582 5.114 -2.757 H27 A1ECV 74 A1ECV H28 H28 H 0 1 N N N N N N 258.252 191.397 209.910 0.143 5.184 -2.324 H28 A1ECV 75 A1ECV H29 H29 H 0 1 N N N N N N 248.833 185.263 210.926 -6.525 -2.013 4.630 H29 A1ECV 76 # 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 A1ECV C3 O2 SING N N 1 A1ECV NB C1B DOUB N N 2 A1ECV NB C4B SING N N 3 A1ECV NB MG SING N N 4 A1ECV ND C1D SING N N 5 A1ECV ND C4D DOUB N N 6 A1ECV ND MG SING N N 7 A1ECV C1A C2A SING N N 8 A1ECV C1A CHA DOUB N N 9 A1ECV C1A NA SING N N 10 A1ECV C1B C2B SING N N 11 A1ECV C1B CHB SING N N 12 A1ECV C1C C2C DOUB Y N 13 A1ECV C1C CHC SING N N 14 A1ECV C1C NC SING Y N 15 A1ECV C1D C2D SING N N 16 A1ECV C1D CHD DOUB N N 17 A1ECV C2A C3A DOUB N N 18 A1ECV C2A CAA SING N N 19 A1ECV C2B C3B DOUB N N 20 A1ECV C2B CMB SING N N 21 A1ECV C2C C3C SING Y N 22 A1ECV C2C CMC SING N N 23 A1ECV C2D C3D DOUB N N 24 A1ECV C2D CMD SING N N 25 A1ECV C3A C4A SING N N 26 A1ECV C3A CMA SING N N 27 A1ECV C3B C4B SING N N 28 A1ECV C3B CAB SING N N 29 A1ECV C3C C4C DOUB Y N 30 A1ECV C3C CAC SING N N 31 A1ECV C3D C4D SING N N 32 A1ECV C3D CAD SING N N 33 A1ECV C4A CHB DOUB N N 34 A1ECV C4A NA SING N N 35 A1ECV C4B CHC DOUB N N 36 A1ECV C4C CHD SING N N 37 A1ECV C4C NC SING Y N 38 A1ECV C4D CHA SING N N 39 A1ECV CAA CBA DOUB N E 40 A1ECV CAB CBB DOUB N N 41 A1ECV CAC CBC DOUB N N 42 A1ECV CAD CBD SING N N 43 A1ECV CAD OBD DOUB N N 44 A1ECV CBA CGA SING N N 45 A1ECV CBD CGD SING N N 46 A1ECV CBD CHA SING N N 47 A1ECV CED O2D SING N N 48 A1ECV CGA O1A DOUB N N 49 A1ECV CGA O2A SING N N 50 A1ECV CGD O1D DOUB N N 51 A1ECV CGD O2D SING N N 52 A1ECV CMC O1 DOUB N N 53 A1ECV CMC O2 SING N N 54 A1ECV NA MG SING N N 55 A1ECV NC MG SING N N 56 A1ECV C3 H1 SING N N 57 A1ECV C3 H2 SING N N 58 A1ECV C3 H3 SING N N 59 A1ECV CAA H4 SING N N 60 A1ECV CAB H5 SING N N 61 A1ECV CAC H6 SING N N 62 A1ECV CBA H8 SING N N 63 A1ECV CBB H9 SING N N 64 A1ECV CBB H10 SING N N 65 A1ECV CBC H11 SING N N 66 A1ECV CBC H12 SING N N 67 A1ECV CBD H13 SING N N 68 A1ECV CED H14 SING N N 69 A1ECV CED H15 SING N N 70 A1ECV CED H16 SING N N 71 A1ECV CHB H17 SING N N 72 A1ECV CHC H18 SING N N 73 A1ECV CHD H19 SING N N 74 A1ECV CMA H20 SING N N 75 A1ECV CMA H21 SING N N 76 A1ECV CMA H22 SING N N 77 A1ECV CMB H23 SING N N 78 A1ECV CMB H24 SING N N 79 A1ECV CMB H25 SING N N 80 A1ECV CMD H26 SING N N 81 A1ECV CMD H27 SING N N 82 A1ECV CMD H28 SING N N 83 A1ECV O2A H29 SING N N 84 # 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 A1ECV InChI InChI 1.06 "InChI=1S/C36H30N4O7.Mg/c1-8-18-15(3)21-12-22-16(4)20(10-11-27(41)42)32(39-22)30-31(36(45)47-7)34(43)28-17(5)23(40-33(28)30)13-25-19(9-2)29(35(44)46-6)26(38-25)14-24(18)37-21;/h8-14,31H,1-2H2,3-7H3,(H3,37,38,39,40,41,42,43,44);/q;+4/p-2/b11-10+,21-12-,22-12-,23-13-,24-14-,25-13-,26-14-,32-30-;/t31-;/m1./s1" A1ECV InChIKey InChI 1.06 TZRDXWQHZOYPDG-VKDSHVEMSA-L A1ECV SMILES_CANONICAL CACTVS 3.385 "COC(=O)[C@H]1C(=O)C2=C(C)C3=Cc4n5c(C=C6C(=C(C)C7=[N@+]6[Mg]58[N@]9C(=C7)C(=C(\C=C\C(O)=O)C9=C1C2=[N@@+]38)C)C=C)c(C(=O)OC)c4C=C" A1ECV SMILES CACTVS 3.385 "COC(=O)[CH]1C(=O)C2=C(C)C3=Cc4n5c(C=C6C(=C(C)C7=[N+]6[Mg]58[N]9C(=C7)C(=C(C=CC(O)=O)C9=C1C2=[N+]38)C)C=C)c(C(=O)OC)c4C=C" A1ECV SMILES_CANONICAL "OpenEye OEToolkits" 2.0.7 "Cc1c2cc3[n+]4c(cc5c(c(c6n5[Mg]47n2c(c1/C=C/C(=O)O)c8c9[n+]7c(c6)C(=C9C(=O)[C@@H]8C(=O)OC)C)C=C)C(=O)OC)C(=C3C)C=C" A1ECV SMILES "OpenEye OEToolkits" 2.0.7 "Cc1c2cc3[n+]4c(cc5c(c(c6n5[Mg]47n2c(c1C=CC(=O)O)c8c9[n+]7c(c6)C(=C9C(=O)C8C(=O)OC)C)C=C)C(=O)OC)C(=C3C)C=C" # _pdbx_chem_comp_synonyms.ordinal 1 _pdbx_chem_comp_synonyms.comp_id A1ECV _pdbx_chem_comp_synonyms.name "magnesium;(E)-3-[(3R)-11,16-bis(ethenyl)-3,12-bis(methoxycarbonyl)-17,21,26-trimethyl-4-oxido-7,23,24,25-tetrazahexacyclo[18.2.1.15,8.110,13.115,18.02,6]hexacosa-1,4,6,8(26),9,11,13,15(24),16,18,20(23),21-dodecaen-22-yl]prop-2-enoate" _pdbx_chem_comp_synonyms.provenance PUBCHEM _pdbx_chem_comp_synonyms.type ? # loop_ _pdbx_chem_comp_audit.comp_id _pdbx_chem_comp_audit.action_type _pdbx_chem_comp_audit.date _pdbx_chem_comp_audit.processing_site A1ECV "Create component" 2024-10-02 PDBC A1ECV "Initial release" 2025-08-20 RCSB #