data_A1MH5 # _chem_comp.id A1MH5 _chem_comp.name hydroxyheme _chem_comp.type non-polymer _chem_comp.pdbx_type HETAIN _chem_comp.formula "C34 H35 Fe N4 O5" _chem_comp.mon_nstd_parent_comp_id ? _chem_comp.pdbx_synonyms ? _chem_comp.pdbx_formal_charge ? _chem_comp.pdbx_initial_date 2026-06-26 _chem_comp.pdbx_modified_date 2026-10-23 _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 635.510 _chem_comp.one_letter_code ? _chem_comp.three_letter_code A1MH5 _chem_comp.pdbx_model_coordinates_details ? _chem_comp.pdbx_model_coordinates_missing_flag N _chem_comp.pdbx_ideal_coordinates_details MetalCoord _chem_comp.pdbx_ideal_coordinates_missing_flag N _chem_comp.pdbx_model_coordinates_db_code 28FQ _chem_comp.pdbx_subcomponent_list ? _chem_comp.pdbx_processing_site PDBJ _chem_comp.pdbx_pcm Y _chem_comp.pdbx_comp_type "metal-containing ligand" # 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 A1MH5 NB N1 N -1 1 Y N N N N N 22.543 -7.641 0.975 2.654 0.298 -0.248 NB A1MH5 1 A1MH5 ND N2 N 0 1 N N N N N N 24.688 -10.768 -0.431 -1.158 -0.909 0.231 ND A1MH5 2 A1MH5 C1A C1 C 0 1 N N N N N N 26.466 -9.123 1.293 -1.165 2.060 0.241 C1A A1MH5 3 A1MH5 C1B C2 C 0 1 Y N N N N N 23.013 -6.651 1.796 3.048 1.587 -0.506 C1B A1MH5 4 A1MH5 C1C C3 C 0 1 Y N N N N N 20.727 -9.361 -0.813 2.675 -2.745 -0.055 C1C A1MH5 5 A1MH5 C1D C4 C 0 1 N N N N N N 24.247 -11.754 -1.247 -1.631 -2.193 0.209 C1D A1MH5 6 A1MH5 C2A C5 C 0 1 N N N N N N 27.445 -8.379 2.130 -1.197 3.440 0.165 C2A A1MH5 7 A1MH5 C2B C6 C 0 1 Y N N N N N 21.954 -5.671 2.101 4.408 1.666 -0.681 C2B A1MH5 8 A1MH5 C2C C7 C 0 1 Y N N N N N 19.845 -10.193 -1.677 2.640 -4.138 -0.057 C2C A1MH5 9 A1MH5 C2D C8 C 0 1 N N N N N N 25.304 -12.732 -1.548 -2.989 -2.219 0.430 C2D A1MH5 10 A1MH5 C3A C9 C 0 1 N N N N N N 26.666 -7.267 2.621 0.063 3.842 -0.142 C3A A1MH5 11 A1MH5 C3B C10 C 0 1 Y N N N N N 20.760 -6.107 1.411 4.919 0.411 -0.555 C3B A1MH5 12 A1MH5 C3C C11 C 0 1 Y N N N N N 20.646 -11.291 -2.145 1.328 -4.504 -0.042 C3C A1MH5 13 A1MH5 C3D C12 C 0 1 N N N N N N 26.495 -12.266 -0.844 -3.400 -0.933 0.567 C3D A1MH5 14 A1MH5 C4A C13 C 0 1 N N N N N N 25.304 -7.423 2.057 0.835 2.711 -0.265 C4A A1MH5 15 A1MH5 C4B C14 C 0 1 Y N N N N N 21.221 -7.342 0.728 3.847 -0.435 -0.274 C4B A1MH5 16 A1MH5 C4C C15 C 0 1 Y N N N N N 21.954 -11.021 -1.529 0.572 -3.343 -0.016 C4C A1MH5 17 A1MH5 C4D C16 C 0 1 N N N N N N 25.997 -11.039 -0.164 -2.273 -0.141 0.450 C4D A1MH5 18 A1MH5 CAA C17 C 0 1 N N N N N N 28.898 -8.658 2.428 -2.396 4.333 0.368 CAA A1MH5 19 A1MH5 CAB C18 C 0 1 N N N N N N 19.409 -5.413 1.422 6.375 0.033 -0.692 CAB A1MH5 20 A1MH5 CAC C19 C 0 1 N N N N N N 20.226 -12.411 -3.051 0.793 -5.918 -0.037 CAC A1MH5 21 A1MH5 CAD C20 C 0 1 N N N N N N 27.879 -12.873 -0.757 -4.818 -0.466 0.794 CAD A1MH5 22 A1MH5 CBA C21 C 0 1 N N N N N N 29.017 -9.663 3.568 -3.195 4.595 -0.906 CBA A1MH5 23 A1MH5 CBB C22 C 0 1 N N N N N N 18.884 -5.253 2.826 7.124 0.049 0.635 CBB A1MH5 24 A1MH5 CBC C23 C 0 1 N N N N N N 20.773 -12.127 -4.427 0.615 -6.472 1.372 CBC A1MH5 25 A1MH5 CGA C24 C 0 1 N N N N N N 30.478 -9.739 3.952 -4.406 5.460 -0.691 CGA A1MH5 26 A1MH5 CHA C25 C 0 1 N N N N N N 26.822 -10.280 0.635 -2.240 1.237 0.507 CHA A1MH5 27 A1MH5 CHB C26 C 0 1 N N N N N N 24.291 -6.532 2.302 2.183 2.665 -0.553 CHB A1MH5 28 A1MH5 CHC C27 C 0 1 N N N N N N 20.333 -8.138 -0.118 3.872 -1.890 -0.056 CHC A1MH5 29 A1MH5 CHD C28 C 0 1 N N N N N N 22.992 -11.878 -1.760 -0.809 -3.287 0.033 CHD A1MH5 30 A1MH5 CMA C29 C 0 1 N N N N N N 26.985 -6.100 3.512 0.495 5.277 -0.320 CMA A1MH5 31 A1MH5 CMB C30 C 0 1 N N N N N N 22.248 -4.493 2.995 5.201 2.916 -0.978 CMB A1MH5 32 A1MH5 CMC C31 C 0 1 N N N N N N 18.400 -9.856 -1.934 3.832 -5.063 -0.102 CMC A1MH5 33 A1MH5 CMD C32 C 0 1 N N N N N N 24.937 -13.886 -2.449 -3.889 -3.429 0.490 CMD A1MH5 34 A1MH5 FE FE1 FE ? 0 N N N N N N 23.600 -9.221 0.270 0.780 -0.311 0.213 FE A1MH5 35 A1MH5 NA N3 N -1 1 N N S N N N 25.235 -8.534 1.265 0.095 1.586 -0.017 NA A1MH5 36 A1MH5 NC N4 N -1 1 Y N N N N N 21.981 -9.895 -0.756 1.375 -2.229 -0.004 NC A1MH5 37 A1MH5 O1A O1 O 0 1 N N N N N N 31.277 -10.304 3.173 -5.525 5.020 -0.484 O1A A1MH5 38 A1MH5 O2A O2 O 0 1 N N N N N N 30.840 -9.217 5.027 -4.132 6.744 -0.749 O2A A1MH5 39 A1MH5 OAA O3 O 0 1 N N N N N N 19.163 -7.737 -0.246 4.961 -2.438 0.090 OAA A1MH5 40 A1MH5 CBD C33 C 0 1 N N N N N N 28.315 -13.592 -2.032 -5.587 -0.182 -0.493 CBD A1MH5 41 A1MH5 CGD C34 C 0 1 N N N N N N 28.414 -12.675 -3.228 -6.923 0.469 -0.266 CGD A1MH5 42 A1MH5 O1D O4 O 0 1 N N N N N N 29.541 -12.258 -3.576 -7.102 1.676 -0.292 O1D A1MH5 43 A1MH5 O2D O5 O 0 1 N N N N N N 27.367 -12.377 -3.839 -7.882 -0.400 -0.034 O2D A1MH5 44 A1MH5 HAA1 H1 H 0 0 N N N N N N 29.381 -9.069 1.529 -2.112 5.194 0.744 HAA1 A1MH5 45 A1MH5 HAA2 H2 H 0 0 N N N N N N 29.396 -7.721 2.716 -2.994 3.934 1.036 HAA2 A1MH5 46 A1MH5 HAB1 H3 H 0 0 N N N N N N 19.514 -4.419 0.964 6.821 0.650 -1.316 HAB1 A1MH5 47 A1MH5 HAB2 H4 H 0 0 N N N N N N 18.694 -6.012 0.839 6.440 -0.867 -1.085 HAB2 A1MH5 48 A1MH5 HAC1 H5 H 0 0 N N N N N N 20.629 -13.364 -2.678 1.403 -6.507 -0.536 HAC1 A1MH5 49 A1MH5 HAC2 H6 H 0 0 N N N N N N 19.128 -12.468 -3.090 -0.074 -5.945 -0.501 HAC2 A1MH5 50 A1MH5 HAD1 H7 H 0 0 N N N N N N 28.599 -12.068 -0.549 -4.812 0.349 1.342 HAD1 A1MH5 51 A1MH5 HAD2 H8 H 0 0 N N N N N N 27.889 -13.597 0.071 -5.312 -1.135 1.315 HAD2 A1MH5 52 A1MH5 HBA1 H9 H 0 0 N N N N N N 28.419 -9.328 4.428 -3.488 3.733 -1.283 HBA1 A1MH5 53 A1MH5 HBA2 H10 H 0 0 N N N N N N 28.663 -10.651 3.237 -2.609 5.027 -1.569 HBA2 A1MH5 54 A1MH5 HBB1 H11 H 0 0 N N N N N N 17.907 -4.748 2.797 8.059 -0.181 0.484 HBB1 A1MH5 55 A1MH5 HBB2 H12 H 0 0 N N N N N N 18.771 -6.244 3.290 6.725 -0.602 1.242 HBB2 A1MH5 56 A1MH5 HBB3 H13 H 0 0 N N N N N N 19.591 -4.650 3.415 7.068 0.938 1.031 HBB3 A1MH5 57 A1MH5 HBC1 H14 H 0 0 N N N N N N 20.479 -12.935 -5.113 0.260 -7.378 1.324 HBC1 A1MH5 58 A1MH5 HBC2 H15 H 0 0 N N N N N N 20.369 -11.171 -4.792 -0.006 -5.907 1.869 HBC2 A1MH5 59 A1MH5 HBC3 H16 H 0 0 N N N N N N 21.870 -12.067 -4.380 1.476 -6.485 1.829 HBC3 A1MH5 60 A1MH5 HHA H17 H 0 1 N N N N N N 27.839 -10.622 0.757 -3.038 1.664 0.780 HHA A1MH5 61 A1MH5 HHB H18 H 0 1 N N N N N N 24.508 -5.682 2.932 2.548 3.470 -0.888 HHB A1MH5 62 A1MH5 HHD H19 H 0 1 N N N N N N 22.801 -12.724 -2.403 -1.258 -4.103 -0.124 HHD A1MH5 63 A1MH5 HMA1 H20 H 0 0 N N N N N N 26.088 -5.476 3.635 1.461 5.347 -0.284 HMA1 A1MH5 64 A1MH5 HMA2 H21 H 0 0 N N N N N N 27.313 -6.468 4.495 0.123 5.825 0.389 HMA2 A1MH5 65 A1MH5 HMA3 H22 H 0 0 N N N N N N 27.788 -5.501 3.058 0.182 5.606 -1.178 HMA3 A1MH5 66 A1MH5 HMB1 H23 H 0 0 N N N N N N 22.596 -3.647 2.385 6.121 2.810 -0.688 HMB1 A1MH5 67 A1MH5 HMB2 H24 H 0 0 N N N N N N 21.333 -4.204 3.534 4.820 3.672 -0.503 HMB2 A1MH5 68 A1MH5 HMB3 H25 H 0 0 N N N N N N 23.029 -4.768 3.719 5.184 3.094 -1.932 HMB3 A1MH5 69 A1MH5 HMC1 H26 H 0 0 N N N N N N 18.325 -9.214 -2.824 3.554 -5.988 -0.042 HMC1 A1MH5 70 A1MH5 HMC2 H27 H 0 0 N N N N N N 17.832 -10.783 -2.102 4.421 -4.871 0.644 HMC2 A1MH5 71 A1MH5 HMC3 H28 H 0 0 N N N N N N 17.987 -9.325 -1.064 4.315 -4.928 -0.934 HMC3 A1MH5 72 A1MH5 HMD1 H29 H 0 0 N N N N N N 25.814 -14.535 -2.590 -4.522 -3.336 1.220 HMD1 A1MH5 73 A1MH5 HMD2 H30 H 0 0 N N N N N N 24.122 -14.465 -1.990 -3.367 -4.232 0.639 HMD2 A1MH5 74 A1MH5 HMD3 H31 H 0 0 N N N N N N 24.607 -13.499 -3.424 -4.375 -3.514 -0.346 HMD3 A1MH5 75 A1MH5 H2 H32 H 0 1 N N N N N N 31.778 -9.325 5.132 -4.845 7.240 -0.623 H2 A1MH5 76 A1MH5 HBD1 H33 H 0 0 N N N N N N 29.301 -14.046 -1.857 -5.725 -1.028 -0.978 HBD1 A1MH5 77 A1MH5 HBD2 H34 H 0 0 N N N N N N 27.582 -14.381 -2.256 -5.045 0.407 -1.067 HBD2 A1MH5 78 A1MH5 H1 H35 H 0 1 N N N N N N 27.578 -11.810 -4.571 -8.657 -0.009 0.097 H1 A1MH5 79 # 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 _chem_comp_bond.pdbx_metal_coordination_flag _chem_comp_bond.pdbx_metal_pi_flag A1MH5 C1A CHA DOUB N N 1 N N A1MH5 CHA C4D SING N N 2 N N A1MH5 CHB C4A DOUB N N 3 N N A1MH5 C1B CHB SING N N 4 N N A1MH5 CHC C4B SING N N 5 N N A1MH5 CHC C1C SING N N 6 N N A1MH5 OAA CHC DOUB N N 7 N N A1MH5 C4C CHD SING N N 8 N N A1MH5 CHD C1D DOUB N N 9 N N A1MH5 C1A NA SING N N 10 N N A1MH5 C4A NA SING N N 11 N N A1MH5 C2A C1A SING N N 12 N N A1MH5 C3A C2A DOUB N N 13 N N A1MH5 CAA C2A SING N N 14 N N A1MH5 C4A C3A SING N N 15 N N A1MH5 CMA C3A SING N N 16 N N A1MH5 CBA CAA SING N N 17 N N A1MH5 CGA CBA SING N N 18 N N A1MH5 O1A CGA DOUB N N 19 N N A1MH5 O2A CGA SING N N 20 N N A1MH5 C1B NB SING Y N 21 N N A1MH5 C4B NB SING Y N 22 N N A1MH5 C2B C1B DOUB Y N 23 N N A1MH5 C3B C2B SING Y N 24 N N A1MH5 CMB C2B SING N N 25 N N A1MH5 C4B C3B DOUB Y N 26 N N A1MH5 CAB C3B SING N N 27 N N A1MH5 CBB CAB SING N N 28 N N A1MH5 NC C4C SING Y N 29 N N A1MH5 C1C C2C DOUB Y N 30 N N A1MH5 C2C C3C SING Y N 31 N N A1MH5 CMC C2C SING N N 32 N N A1MH5 C3C C4C DOUB Y N 33 N N A1MH5 CAC C3C SING N N 34 N N A1MH5 CBC CAC SING N N 35 N N A1MH5 C1D ND SING N N 36 N N A1MH5 ND C4D DOUB N N 37 N N A1MH5 C1D C2D SING N N 38 N N A1MH5 C2D C3D DOUB N N 39 N N A1MH5 CMD C2D SING N N 40 N N A1MH5 C4D C3D SING N N 41 N N A1MH5 C3D CAD SING N N 42 N N A1MH5 CAD CBD SING N N 43 N N A1MH5 CBD CGD SING N N 44 N N A1MH5 O1D CGD DOUB N N 45 N N A1MH5 CGD O2D SING N N 46 N N A1MH5 C1C NC SING Y N 47 N N A1MH5 NB FE SING N N 48 Y N A1MH5 FE NC SING N N 49 Y N A1MH5 FE ND SING N N 50 Y N A1MH5 NA FE SING N N 51 Y N A1MH5 CAA HAA1 SING N N 52 N N A1MH5 CAA HAA2 SING N N 53 N N A1MH5 CAB HAB1 SING N N 54 N N A1MH5 CAB HAB2 SING N N 55 N N A1MH5 CAC HAC1 SING N N 56 N N A1MH5 CAC HAC2 SING N N 57 N N A1MH5 CAD HAD1 SING N N 58 N N A1MH5 CAD HAD2 SING N N 59 N N A1MH5 CBA HBA1 SING N N 60 N N A1MH5 CBA HBA2 SING N N 61 N N A1MH5 CBB HBB1 SING N N 62 N N A1MH5 CBB HBB2 SING N N 63 N N A1MH5 CBB HBB3 SING N N 64 N N A1MH5 CBC HBC1 SING N N 65 N N A1MH5 CBC HBC2 SING N N 66 N N A1MH5 CBC HBC3 SING N N 67 N N A1MH5 CHA HHA SING N N 68 N N A1MH5 CHB HHB SING N N 69 N N A1MH5 CHD HHD SING N N 70 N N A1MH5 CMA HMA1 SING N N 71 N N A1MH5 CMA HMA2 SING N N 72 N N A1MH5 CMA HMA3 SING N N 73 N N A1MH5 CMB HMB1 SING N N 74 N N A1MH5 CMB HMB2 SING N N 75 N N A1MH5 CMB HMB3 SING N N 76 N N A1MH5 CMC HMC1 SING N N 77 N N A1MH5 CMC HMC2 SING N N 78 N N A1MH5 CMC HMC3 SING N N 79 N N A1MH5 CMD HMD1 SING N N 80 N N A1MH5 CMD HMD2 SING N N 81 N N A1MH5 CMD HMD3 SING N N 82 N N A1MH5 O2A H2 SING N N 83 N N A1MH5 CBD HBD1 SING N N 84 N N A1MH5 CBD HBD2 SING N N 85 N N A1MH5 O2D H1 SING N N 86 N N # 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 A1MH5 InChI InChI 1.06 "InChI=1S/C34H38N4O5.Fe/c1-7-20-19(6)32-34(43)33-21(8-2)16(3)26(37-33)13-24-17(4)22(9-11-30(39)40)28(35-24)15-29-23(10-12-31(41)42)18(5)25(36-29)14-27(20)38-32;/h13-15H,7-12H2,1-6H3,(H5,35,36,37,38,39,40,41,42,43);/q;+3/p-3/b24-13-,25-14-,26-13-,27-14-,28-15-,29-15-,34-32+,34-33+;" A1MH5 InChIKey InChI 1.06 JPXPSLQTYIUZQO-CEPNNTPPSA-K A1MH5 SMILES_CANONICAL CACTVS 3.385 "CCc1c(C)c2n3[Fe]4[N@]5C(=Cc6n4c(C2=O)c(CC)c6C)C(=C(CCC(O)=O)C5=CC7=NC(=Cc13)C(=C7CCC(O)=O)C)C" A1MH5 SMILES CACTVS 3.385 "CCc1c(C)c2n3[Fe]4[N]5C(=Cc6n4c(C2=O)c(CC)c6C)C(=C(CCC(O)=O)C5=CC7=NC(=Cc13)C(=C7CCC(O)=O)C)C" A1MH5 SMILES_CANONICAL "OpenEye OEToolkits" 2.0.7 "CCc1c(c2n3c1C(=O)c4c(c(c5n4[Fe]36N7C(=C2)C(=C(C7=CC8=[N]6C(=C5)C(=C8CCC(=O)O)C)CCC(=O)O)C)CC)C)C" A1MH5 SMILES "OpenEye OEToolkits" 2.0.7 "CCc1c(c2n3c1C(=O)c4c(c(c5n4[Fe]36N7C(=C2)C(=C(C7=CC8=[N]6C(=C5)C(=C8CCC(=O)O)C)CCC(=O)O)C)CC)C)C" # loop_ _pdbx_chem_comp_atom_coordination.geometry_id _pdbx_chem_comp_atom_coordination.comp_id _pdbx_chem_comp_atom_coordination.atom_id _pdbx_chem_comp_atom_coordination.number _pdbx_chem_comp_atom_coordination.geometry_calculated _pdbx_chem_comp_atom_coordination.geometry_generic _pdbx_chem_comp_atom_coordination.geometry_abbr _pdbx_chem_comp_atom_coordination.provenance 1 A1MH5 FE 6 octahedron octahedral OCT FindGeo 1 A1MH5 FE 6 octahedral octahedral OCT MetalCoord # _pdbx_chem_comp_atom_coordination_sphere.id 1 _pdbx_chem_comp_atom_coordination_sphere.geometry_id 1 _pdbx_chem_comp_atom_coordination_sphere.comp_id A1MH5 _pdbx_chem_comp_atom_coordination_sphere.atom_id FE _pdbx_chem_comp_atom_coordination_sphere.descriptor "@OCT{Fe,N,N,N,N,N,O}" _pdbx_chem_comp_atom_coordination_sphere.provenance MetalCoord # _pdbx_chem_comp_pcm.pcm_id 1 _pdbx_chem_comp_pcm.comp_id A1MH5 _pdbx_chem_comp_pcm.modified_residue_id HIS _pdbx_chem_comp_pcm.type None _pdbx_chem_comp_pcm.category "Metal coordination" _pdbx_chem_comp_pcm.polypeptide_position "Any position" _pdbx_chem_comp_pcm.comp_id_linking_atom FE _pdbx_chem_comp_pcm.modified_residue_id_linking_atom NE2 _pdbx_chem_comp_pcm.uniprot_specific_ptm_accession ? _pdbx_chem_comp_pcm.uniprot_generic_ptm_accession ? _pdbx_chem_comp_pcm.position "Amino-acid side chain" # loop_ _pdbx_chem_comp_audit.comp_id _pdbx_chem_comp_audit.action_type _pdbx_chem_comp_audit.date _pdbx_chem_comp_audit.processing_site A1MH5 "Create component" 2026-06-26 PDBJ A1MH5 "Other modification" 2026-07-31 RCSB A1MH5 "Initial release" 2026-10-28 RCSB #