data_3TM # _chem_comp.id 3TM _chem_comp.name "Oxidizided C-cluster" _chem_comp.type NON-POLYMER _chem_comp.pdbx_type HETAIN _chem_comp.formula "Fe4 S4" _chem_comp.mon_nstd_parent_comp_id ? _chem_comp.pdbx_synonyms ? _chem_comp.pdbx_formal_charge ? _chem_comp.pdbx_initial_date 2026-05-06 _chem_comp.pdbx_modified_date 2026-08-07 _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 351.640 _chem_comp.one_letter_code ? _chem_comp.three_letter_code 3TM _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 6B6W _chem_comp.pdbx_subcomponent_list ? _chem_comp.pdbx_processing_site RCSB _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 3TM S1 S1 S -2 1 N N N N N N 26.373 0.906 7.607 26.383 0.911 7.549 S1 3TM 1 3TM S2 S2 S -2 1 N N N N N N 23.051 1.258 5.884 23.078 1.227 5.898 S2 3TM 2 3TM S3 S3 S -2 1 N N N N N N 23.960 -1.964 8.157 23.728 -1.619 8.198 S3 3TM 3 3TM S4 S4 S -2 1 N N N N N N 24.036 3.849 8.415 24.004 3.605 8.519 S4 3TM 4 3TM FE1 FE1 FE ? 0 N N N N N N 22.360 2.285 7.870 22.264 2.171 7.882 FE1 3TM 5 3TM FE2 FE2 FE ? 0 N N N N N N 22.400 -0.569 9.174 22.216 -0.345 9.430 FE2 3TM 6 3TM FE3 FE3 FE ? 0 N N N N N N 24.820 2.455 6.815 24.820 2.382 6.779 FE3 3TM 7 3TM FE4 FE4 FE ? 0 N N N N N N 24.549 -0.273 6.718 24.646 -0.244 6.627 FE4 3TM 8 # 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 3TM S1 FE3 SING N N 1 Y N 3TM S1 FE4 SING N N 2 Y N 3TM S2 FE1 SING N N 3 Y N 3TM S2 FE3 SING N N 4 Y N 3TM S2 FE4 SING N N 5 Y N 3TM S3 FE2 SING N N 6 Y N 3TM S3 FE4 SING N N 7 Y N 3TM S4 FE1 SING N N 8 Y N 3TM S4 FE3 SING N N 9 Y 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 3TM InChI InChI 1.06 InChI=1S/4Fe.4S 3TM InChIKey InChI 1.06 LJBDFODJNLIPKO-UHFFFAOYSA-N 3TM SMILES_CANONICAL CACTVS 3.385 "[Fe]S[Fe]1S[Fe]S[Fe]S1" 3TM SMILES CACTVS 3.385 "[Fe]S[Fe]1S[Fe]S[Fe]S1" 3TM SMILES_CANONICAL "OpenEye OEToolkits" 3.1.0.0 "S1[Fe][S]2[Fe]1S[Fe]2S[Fe]" 3TM SMILES "OpenEye OEToolkits" 3.1.0.0 "S1[Fe][S]2[Fe]1S[Fe]2S[Fe]" # _pdbx_chem_comp_identifier.comp_id 3TM _pdbx_chem_comp_identifier.type "SYSTEMATIC NAME" _pdbx_chem_comp_identifier.program "OpenEye OEToolkits" _pdbx_chem_comp_identifier.program_version 3.1.0.0 _pdbx_chem_comp_identifier.identifier "1$l^{3},3,5-trithia-2$l^{3},4$l^{3},6$l^{2}-triferrabicyclo[2.2.0]hexan-2-ylsulfanyliron" # 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 _pdbx_chem_comp_atom_coordination.representative_entry_id 1 3TM FE3 4 tetrahedral tetrahedral TET MetalCoord 6B6W 1 3TM FE3 4 tetrahedron tetrahedral TET FindGeo 7TSJ 2 3TM FE4 4 tetrahedral tetrahedral TET MetalCoord 6B6W 2 3TM FE4 4 tetrahedron tetrahedral TET FindGeo 6VWZ # loop_ _pdbx_chem_comp_atom_coordination_sphere.id _pdbx_chem_comp_atom_coordination_sphere.geometry_id _pdbx_chem_comp_atom_coordination_sphere.comp_id _pdbx_chem_comp_atom_coordination_sphere.atom_id _pdbx_chem_comp_atom_coordination_sphere.descriptor _pdbx_chem_comp_atom_coordination_sphere.provenance _pdbx_chem_comp_atom_coordination_sphere.representative_entry_id 1 1 3TM FE3 "@TET{Fe,S,S,S,S}" MetalCoord 6B6W 2 2 3TM FE4 "@TET{Fe,S,S,S,S}" MetalCoord 6B6W # loop_ _pdbx_chem_comp_pcm.pcm_id _pdbx_chem_comp_pcm.comp_id _pdbx_chem_comp_pcm.modified_residue_id _pdbx_chem_comp_pcm.type _pdbx_chem_comp_pcm.category _pdbx_chem_comp_pcm.polypeptide_position _pdbx_chem_comp_pcm.comp_id_linking_atom _pdbx_chem_comp_pcm.modified_residue_id_linking_atom _pdbx_chem_comp_pcm.uniprot_specific_ptm_accession _pdbx_chem_comp_pcm.uniprot_generic_ptm_accession _pdbx_chem_comp_pcm.position 1 3TM CYS None "Metal coordination" "Any position" FE2 SG ? ? "Amino-acid side chain" 2 3TM CYS None "Metal coordination" "Any position" FE1 SG ? ? "Amino-acid side chain" 3 3TM CYS None "Metal coordination" "Any position" FE3 SG ? ? "Amino-acid side chain" 4 3TM CYS None "Metal coordination" "Any position" FE4 SG ? ? "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 3TM "Create component" 2026-05-06 RCSB 3TM "Other modification" 2026-07-31 RCSB 3TM "Initial release" 2026-08-12 RCSB #