data_3IW # _chem_comp.id 3IW _chem_comp.name "(cyanido-kappaC)diformyliron" _chem_comp.type NON-POLYMER _chem_comp.pdbx_type HETAIN _chem_comp.formula "C3 H2 Fe N O2" _chem_comp.mon_nstd_parent_comp_id ? _chem_comp.pdbx_synonyms ? _chem_comp.pdbx_formal_charge ? _chem_comp.pdbx_initial_date 2026-05-19 _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 139.898 _chem_comp.one_letter_code ? _chem_comp.three_letter_code 3IW _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 1WUL _chem_comp.pdbx_subcomponent_list ? _chem_comp.pdbx_processing_site ? _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 3IW FE FE FE ? 0 N N N N N N 55.734 49.113 86.407 0.011 0.085 -0.556 FE 3IW 1 3IW C3 C3 C -1 1 N N N N N N 56.046 50.862 86.674 -1.314 -0.265 0.590 C3 3IW 2 3IW C2 C2 C -1 1 N N N N N N 53.808 49.411 86.817 0.230 1.807 -0.148 C2 3IW 3 3IW O3 O3 O 0 1 N N N N N N 56.232 51.922 86.956 -1.974 -0.655 -0.400 O3 3IW 4 3IW N2 N2 N 0 1 N N N N N N 52.768 49.769 87.093 0.384 3.014 0.139 N2 3IW 5 3IW O1 O1 O 0 1 N N N N N N 56.352 48.152 89.335 1.193 -1.678 -0.496 O1 3IW 6 3IW C1 C1 C -1 1 N N N N N N 56.155 48.555 88.309 1.346 -0.735 0.313 C1 3IW 7 3IW H3 H3 H 0 1 N N N N N N 56.111 51.071 85.616 -0.835 0.022 1.341 H3 3IW 8 3IW H1 H1 H 0 1 N N N N N N 56.524 49.536 88.569 1.474 -0.041 0.927 H1 3IW 9 # 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 3IW FE C3 SING N N 1 Y N 3IW FE C2 SING N N 2 Y N 3IW FE C1 SING N N 3 Y N 3IW C3 O3 DOUB N N 4 N N 3IW C3 H3 SING N N 5 N N 3IW C2 N2 TRIP N N 6 N N 3IW O1 C1 DOUB N N 7 N N 3IW C1 H1 SING N N 8 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 3IW SMILES ACDLabs 14.52 "N#C[Fe](C=O)C=O" 3IW InChI InChI 1.06 InChI=1S/CN.2CHO.Fe/c3*1-2;/h;2*1H; 3IW InChIKey InChI 1.06 AWYUYDLUJZAIJH-UHFFFAOYSA-N 3IW SMILES_CANONICAL CACTVS 3.385 "O=C[Fe](C=O)C#N" 3IW SMILES CACTVS 3.385 "O=C[Fe](C=O)C#N" 3IW SMILES_CANONICAL "OpenEye OEToolkits" 3.1.0.0 "C(=O)[Fe](C=O)C#N" 3IW SMILES "OpenEye OEToolkits" 3.1.0.0 "C(=O)[Fe](C=O)C#N" # 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 3IW "SYSTEMATIC NAME" ACDLabs 14.52 "(cyanido-kappaC)diformyliron" 3IW "SYSTEMATIC NAME" "OpenEye OEToolkits" 3.1.0.0 "cyano(dimethanoyl)iron" # 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 3IW FE 5 "square pyramid" "square pyramidal" SPY FindGeo 1WUL 1 3IW FE 5 square-pyramid "square pyramidal" SQP MetalCoord 1WUL # _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 3IW _pdbx_chem_comp_atom_coordination_sphere.atom_id FE _pdbx_chem_comp_atom_coordination_sphere.descriptor "@SQP{Fe,C,C,S,S,C}" _pdbx_chem_comp_atom_coordination_sphere.provenance MetalCoord _pdbx_chem_comp_atom_coordination_sphere.representative_entry_id 1WUL # _pdbx_chem_comp_pcm.pcm_id 1 _pdbx_chem_comp_pcm.comp_id 3IW _pdbx_chem_comp_pcm.modified_residue_id CYS _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 SG _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 3IW "Create component" 2026-05-19 ? 3IW "Other modification" 2026-07-31 RCSB 3IW "Initial release" 2026-08-12 RCSB #