data_VER
# 
_chem_comp.id                                    VER 
_chem_comp.name                                  IRON-OCTAETHYLPORPHYRIN 
_chem_comp.type                                  non-polymer 
_chem_comp.pdbx_type                             HETAIN 
_chem_comp.formula                               "C30 H27 Fe N4 O3" 
_chem_comp.mon_nstd_parent_comp_id               ? 
_chem_comp.pdbx_synonyms                         VERDOHEME 
_chem_comp.pdbx_formal_charge                    1 
_chem_comp.pdbx_initial_date                     2004-07-28 
_chem_comp.pdbx_modified_date                    2025-11-10 
_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                        547.405 
_chem_comp.one_letter_code                       ? 
_chem_comp.three_letter_code                     VER 
_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        1TWR 
_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 
VER FE  FE1 FE 0 0 N N R N N N 18.497 0.031  4.745  0.553  0.040  -0.466 FE  VER 1  
VER NA  N1  N  0 1 N N R N N N 19.110 1.346  6.132  0.085  1.295  -1.724 NA  VER 2  
VER NB  N2  N  0 1 Y N N N N N 20.377 -0.628 4.574  1.692  1.069  0.581  NB  VER 3  
VER NC  N3  N  0 1 N N R N N N 17.912 -1.231 3.306  1.544  -1.511 -0.448 NC  VER 4  
VER ND  N4  N  0 1 N N R N N N 16.623 0.742  4.877  -1.122 -0.654 -0.069 ND  VER 5  
VER C1A C1  C  0 1 N N N N N N 18.326 2.297  6.822  -1.160 1.396  -2.219 C1A VER 6  
VER CHA C2  C  0 1 N N N N N N 16.944 2.484  6.632  -2.290 0.850  -1.572 CHA VER 7  
VER C4D C3  C  0 1 N N N N N N 16.147 1.767  5.719  -2.288 -0.096 -0.534 C4D VER 8  
VER C1B C4  C  0 1 Y N N N N N 21.529 -0.191 5.261  1.856  2.427  0.408  C1B VER 9  
VER CHB C5  C  0 1 N N N N N N 21.539 0.829  6.228  1.397  3.082  -0.740 CHB VER 10 
VER C4A C6  C  0 1 N N N N N N 20.412 1.549  6.636  0.654  2.504  -1.799 C4A VER 11 
VER C1C C7  C  0 1 N N N N N N 18.695 -2.156 2.611  2.760  -1.552 0.123  C1C VER 12 
VER O   O1  O  1 1 N N N N N N 20.056 -2.344 2.818  3.242  -0.575 0.898  O   VER 13 
VER C4B C8  C  0 1 Y N N N N N 20.843 -1.629 3.739  2.786  0.516  1.201  C4B VER 14 
VER C1D C9  C  0 1 N N N N N N 15.493 0.346  4.153  -1.311 -1.966 0.282  C1D VER 15 
VER CHD C10 C  0 1 N N N N N N 15.501 -0.651 3.173  -0.336 -2.952 0.012  CHD VER 16 
VER C4C C11 C  0 1 N N N N N N 16.632 -1.391 2.766  0.996  -2.734 -0.348 C4C VER 17 
VER C3A C12 C  0 1 N N N N N N 20.432 2.617  7.646  0.132  3.057  -3.045 C3A VER 18 
VER CMA C13 C  0 1 N N N N N N 19.142 3.081  7.761  -1.023 2.354  -3.310 CMA VER 19 
VER C2B C14 C  0 1 Y N N N N N 22.739 -0.928 4.844  2.697  2.802  1.454  C2B VER 20 
VER CMB C15 C  0 1 N N N N N N 24.240 -0.831 5.434  2.983  4.214  1.895  CMB VER 21 
VER C3B C16 C  0 1 Y N N N N N 22.282 -1.825 3.893  3.232  1.634  2.027  C3B VER 22 
VER CAB C17 C  0 1 N N N N N N 23.073 -2.753 3.204  4.080  1.554  3.230  CAB VER 23 
VER CBB C18 C  0 1 N N N N N N 23.476 -2.520 1.828  5.148  2.337  3.344  CBB VER 24 
VER C2C C19 C  0 1 N N N N N N 17.925 -2.897 1.634  3.259  -2.826 -0.235 C2C VER 25 
VER CMC C20 C  0 1 N N N N N N 18.468 -3.982 0.691  4.705  -3.248 -0.273 CMC VER 26 
VER C3C C21 C  0 1 N N N N N N 16.630 -2.435 1.711  2.156  -3.615 -0.546 C3C VER 27 
VER CAC C22 C  0 1 N N N N N N 15.512 -2.856 0.934  2.151  -5.022 -0.978 CAC VER 28 
VER CBC C23 C  0 1 N N N N N N 14.973 -4.212 0.778  0.999  -5.635 -1.237 CBC VER 29 
VER C2D C24 C  0 1 N N N N N N 14.309 1.122  4.558  -2.664 -2.016 0.594  C2D VER 30 
VER CMD C25 C  0 1 N N N N N N 12.879 1.012  4.023  -3.358 -3.120 1.350  CMD VER 31 
VER C3D C26 C  0 1 N N N N N N 14.710 1.994  5.518  -3.269 -0.866 0.084  C3D VER 32 
VER CAD C27 C  0 1 N N N N N N 13.805 3.012  6.217  -4.732 -0.519 0.185  CAD VER 33 
VER CBD C28 C  0 1 N N N N N N 13.099 2.501  7.467  -4.959 0.386  1.398  CBD VER 34 
VER CGD C29 C  0 1 N N N N N N 12.218 3.561  8.123  -6.422 0.733  1.498  CGD VER 35 
VER O1D O2  O  0 1 N N N N N N 11.593 3.243  9.147  -6.857 1.522  2.493  O1D VER 36 
VER O2D O3  O  0 1 N N N N N N 12.144 4.711  7.620  -7.203 0.302  0.684  O2D VER 37 
VER C1  C30 C  0 1 N N N N N N 21.668 3.118  8.419  0.732  4.167  -3.870 C1  VER 38 
VER H1  H1  H  0 1 N N N N N N 16.456 3.237  7.234  -3.256 1.194  -1.910 H1  VER 39 
VER H2  H2  H  0 1 N N N N N N 22.485 1.074  6.689  1.633  4.132  -0.828 H2  VER 40 
VER H3  H3  H  0 1 N N N N N N 14.563 -0.874 2.686  -0.652 -3.981 0.092  H3  VER 41 
VER H4  H4  H  0 1 N N N N N N 18.796 3.868  8.414  -1.687 2.484  -4.151 H4  VER 42 
VER H5  H5  H  0 1 N N N N N N 24.818 -0.101 4.848  2.259  4.511  2.655  H5  VER 43 
VER H6  H6  H  0 1 N N N N N N 24.201 -0.509 6.485  3.988  4.268  2.312  H6  VER 44 
VER H7  H7  H  0 1 N N N N N N 24.723 -1.817 5.371  2.907  4.885  1.040  H7  VER 45 
VER H8  H8  H  0 1 N N N N N N 23.389 -3.657 3.704  3.833  0.859  4.019  H8  VER 46 
VER H10 H10 H  0 1 N N N N N N 24.086 -3.248 1.313  5.394  3.032  2.555  H10 VER 47 
VER H11 H11 H  0 1 N N N N N N 23.165 -1.619 1.320  5.769  2.279  4.226  H11 VER 48 
VER H13 H13 H  0 1 N N N N N N 19.543 -4.123 0.875  4.772  -4.290 -0.587 H13 VER 49 
VER H14 H14 H  0 1 N N N N N N 17.937 -4.928 0.876  5.248  -2.620 -0.978 H14 VER 50 
VER H15 H15 H  0 1 N N N N N N 18.312 -3.672 -0.353 5.141  -3.140 0.721  H15 VER 51 
VER H16 H16 H  0 1 N N N N N N 14.996 -2.078 0.391  3.083  -5.557 -1.084 H16 VER 52 
VER H18 H18 H  0 1 N N N N N N 14.111 -4.382 0.150  0.067  -5.099 -1.130 H18 VER 53 
VER H19 H19 H  0 1 N N N N N N 15.438 -5.040 1.292  0.996  -6.667 -1.554 H19 VER 54 
VER H21 H21 H  0 1 N N N N N N 12.318 0.280  4.622  -3.340 -2.897 2.417  H21 VER 55 
VER H22 H22 H  0 1 N N N N N N 12.387 1.993  4.088  -4.391 -3.198 1.013  H22 VER 56 
VER H23 H23 H  0 1 N N N N N N 12.905 0.684  2.973  -2.844 -4.064 1.168  H23 VER 57 
VER H24 H24 H  0 1 N N N N N N 14.423 3.876  6.504  -5.045 0.002  -0.720 H24 VER 58 
VER H25 H25 H  0 1 N N N N N N 13.036 3.333  5.499  -5.315 -1.432 0.298  H25 VER 59 
VER H26 H26 H  0 1 N N N N N N 12.469 1.643  7.189  -4.646 -0.135 2.303  H26 VER 60 
VER H27 H27 H  0 1 N N N N N N 13.860 2.178  8.193  -4.376 1.299  1.284  H27 VER 61 
VER H28 H28 H  0 1 N N N N N N 11.086 3.986  9.452  -7.804 1.717  2.517  H28 VER 62 
VER H29 H29 H  0 1 N N N N N N 21.370 3.924  9.105  1.419  3.744  -4.602 H29 VER 63 
VER H30 H30 H  0 1 N N N N N N 22.101 2.287  8.996  -0.062 4.706  -4.386 H30 VER 64 
VER H31 H31 H  0 1 N N N N N N 22.415 3.500  7.708  1.273  4.853  -3.218 H31 VER 65 
# 
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 
VER CMC C2C SING N N 1  
VER CBC CAC DOUB N N 2  
VER CAC C3C SING N N 3  
VER C2C C3C DOUB N N 4  
VER C2C C1C SING N N 5  
VER C3C C4C SING N N 6  
VER CBB CAB DOUB N N 7  
VER C1C O   DOUB N N 8  
VER C1C NC  SING N N 9  
VER C4C CHD SING N N 10 
VER C4C NC  DOUB N N 11 
VER O   C4B SING N N 12 
VER CHD C1D DOUB N N 13 
VER CAB C3B SING N N 14 
VER NC  FE  SING N N 15 
VER C4B C3B DOUB Y N 16 
VER C4B NB  SING Y N 17 
VER C3B C2B SING Y N 18 
VER CMD C2D SING N N 19 
VER C1D C2D SING N N 20 
VER C1D ND  SING N N 21 
VER C2D C3D DOUB N N 22 
VER NB  FE  SING N N 23 
VER NB  C1B SING Y N 24 
VER FE  ND  SING N N 25 
VER FE  NA  SING N N 26 
VER C2B C1B DOUB Y N 27 
VER C2B CMB SING N N 28 
VER ND  C4D SING N N 29 
VER C1B CHB SING N N 30 
VER C3D C4D SING N N 31 
VER C3D CAD SING N N 32 
VER C4D CHA DOUB N N 33 
VER NA  C4A SING N N 34 
VER NA  C1A DOUB N N 35 
VER CAD CBD SING N N 36 
VER CHB C4A DOUB N N 37 
VER CHA C1A SING N N 38 
VER C4A C3A SING N N 39 
VER C1A CMA SING N N 40 
VER CBD CGD SING N N 41 
VER O2D CGD DOUB N N 42 
VER C3A CMA DOUB N N 43 
VER C3A C1  SING N N 44 
VER CGD O1D SING N N 45 
VER CHA H1  SING N N 46 
VER CHB H2  SING N N 47 
VER CHD H3  SING N N 48 
VER CMA H4  SING N N 49 
VER CMB H5  SING N N 50 
VER CMB H6  SING N N 51 
VER CMB H7  SING N N 52 
VER CAB H8  SING N N 53 
VER CBB H10 SING N N 54 
VER CBB H11 SING N N 55 
VER CMC H13 SING N N 56 
VER CMC H14 SING N N 57 
VER CMC H15 SING N N 58 
VER CAC H16 SING N N 59 
VER CBC H18 SING N N 60 
VER CBC H19 SING N N 61 
VER CMD H21 SING N N 62 
VER CMD H22 SING N N 63 
VER CMD H23 SING N N 64 
VER CAD H24 SING N N 65 
VER CAD H25 SING N N 66 
VER CBD H26 SING N N 67 
VER CBD H27 SING N N 68 
VER O1D H28 SING N N 69 
VER C1  H29 SING N N 70 
VER C1  H30 SING N N 71 
VER C1  H31 SING N N 72 
# 
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 
VER SMILES           ACDLabs              14.52   "O=C(O)CCC1=C(C)C2=CC3=[N+]4C(=[O+]c5c(C=C)c(C)c6C=C7[N+]8=C(C=C1N2[Fe]84n65)C=C7C)C(C)=C3C=C"                                                                                                                                                             
VER InChI            InChI                1.06    "InChI=1S/C30H28N4O3.Fe/c1-7-20-18(6)29-34-27(20)14-24-17(5)22(9-10-28(35)36)26(32-24)12-19-11-15(3)23(31-19)13-25-16(4)21(8-2)30(33-25)37-29;/h7-8,11-14H,1-2,9-10H2,3-6H3,(H2-,31,32,33,34,35,36);/q;+4/p-1/b19-12-,23-13-,24-14-,25-13-,26-12-,27-14-;" 
VER InChIKey         InChI                1.06    BSJYCJIPLWGQSG-DWJCAOJKSA-M                                                                                                                                                                                                                                
VER SMILES_CANONICAL CACTVS               3.385   "CC1=CC2=[N@@+]3C1=Cc4n5c([O+]=C6C(=C(C=C)C7=[N@+]6[Fe@]35[N@@]8C(=C7)C(=C(CCC(O)=O)C8=C2)C)C)c(C=C)c4C"                                                                                                                                                   
VER SMILES           CACTVS               3.385   "CC1=CC2=[N+]3C1=Cc4n5c([O+]=C6C(=C(C=C)C7=[N+]6[Fe]35[N]8C(=C7)C(=C(CCC(O)=O)C8=C2)C)C)c(C=C)c4C"                                                                                                                                                         
VER SMILES_CANONICAL "OpenEye OEToolkits" 3.1.0.0 "Cc1c2cc3[n+]4c([o+]c5c(c(c6n5[Fe]47n2c(c1CCC(=O)O)cc8[n+]7c(c6)C(=C8)C)C)C=C)C(=C3C=C)C"                                                                                                                                                                  
VER SMILES           "OpenEye OEToolkits" 3.1.0.0 "Cc1c2cc3[n+]4c([o+]c5c(c(c6n5[Fe]47n2c(c1CCC(=O)O)cc8[n+]7c(c6)C(=C8)C)C)C=C)C(=C3C=C)C"                                                                                                                                                                  
# 
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 
VER "SYSTEMATIC NAME" ACDLabs              14.52   "(SP-4-2)-[(21R,23R)-10-(2-carboxyethyl)-5,20-diethenyl-4,9,15,19-tetramethyl-2-oxa-21,22,23,24-tetraazapentacyclo[16.2.1.1~3,6~.1~8,11~.1~13,16~]tetracosa-1(20),2,4,6(24),7,9,11,13(22),14,16,18-undecaen-2-ium-21,23-diido-kappa~4~N~21~,N~22~,N~23~,N~24~]iron(3+)" 
VER "SYSTEMATIC NAME" "OpenEye OEToolkits" 3.1.0.0 "3-[5,10-bis(ethenyl)-4,9,14,20-tetramethyl-7-oxonia-2,23-diaza-22,25-diazonia-1$l^{4}-ferraoctacyclo[11.9.1.1^{1,8}.1^{3,21}.0^{2,6}.0^{16,23}.0^{18,22}.0^{11,25}]pentacosa-3,5,7,9,11(25),12,14,16,18(22),19,21(24)-undecaen-15-yl]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 
VER "Modify synonyms"    2020-06-11 PDBE 
VER "Modify descriptor"  2023-09-23 RCSB 
VER "Other modification" 2025-11-10 RCSB 
# 
