data_FE
#
_chem_comp.id FE
_chem_comp.name "FE (III) ION"
_chem_comp.type NON-POLYMER
_chem_comp.pdbx_type HETAI
_chem_comp.formula Fe
_chem_comp.mon_nstd_parent_comp_id ?
_chem_comp.pdbx_synonyms ?
_chem_comp.pdbx_formal_charge 3
_chem_comp.pdbx_initial_date 1999-07-08
_chem_comp.pdbx_modified_date 2011-06-04
_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 55.845
_chem_comp.one_letter_code ?
_chem_comp.three_letter_code FE
_chem_comp.pdbx_model_coordinates_details ?
_chem_comp.pdbx_model_coordinates_missing_flag N
_chem_comp.pdbx_ideal_coordinates_details ?
_chem_comp.pdbx_ideal_coordinates_missing_flag N
_chem_comp.pdbx_model_coordinates_db_code ?
_chem_comp.pdbx_subcomponent_list ?
_chem_comp.pdbx_processing_site RCSB
#
_chem_comp_atom.comp_id FE
_chem_comp_atom.atom_id FE
_chem_comp_atom.alt_atom_id FE
_chem_comp_atom.type_symbol FE
_chem_comp_atom.charge 3
_chem_comp_atom.pdbx_align 0
_chem_comp_atom.pdbx_aromatic_flag N
_chem_comp_atom.pdbx_leaving_atom_flag N
_chem_comp_atom.pdbx_stereo_config N
_chem_comp_atom.pdbx_backbone_atom_flag N
_chem_comp_atom.pdbx_n_terminal_atom_flag N
_chem_comp_atom.pdbx_c_terminal_atom_flag N
_chem_comp_atom.model_Cartn_x 0.000
_chem_comp_atom.model_Cartn_y 0.000
_chem_comp_atom.model_Cartn_z 0.000
_chem_comp_atom.pdbx_model_Cartn_x_ideal 0.000
_chem_comp_atom.pdbx_model_Cartn_y_ideal 0.000
_chem_comp_atom.pdbx_model_Cartn_z_ideal 0.000
_chem_comp_atom.pdbx_component_atom_id FE
_chem_comp_atom.pdbx_component_comp_id FE
_chem_comp_atom.pdbx_ordinal 1
#
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
FE SMILES ACDLabs 10.04 "[Fe+3]"
FE SMILES_CANONICAL CACTVS 3.341 "[Fe+3]"
FE SMILES CACTVS 3.341 "[Fe+3]"
FE SMILES_CANONICAL "OpenEye OEToolkits" 1.5.0 "[Fe+3]"
FE SMILES "OpenEye OEToolkits" 1.5.0 "[Fe+3]"
FE InChI InChI 1.03 InChI=1S/Fe/q+3
FE InChIKey InChI 1.03 VTLYFUHAOXGGBS-UHFFFAOYSA-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
FE "SYSTEMATIC NAME" ACDLabs 10.04 iron(3+)
FE "SYSTEMATIC NAME" "OpenEye OEToolkits" 1.5.0 "iron(+3) cation"
#
loop_
_pdbx_chem_comp_audit.comp_id
_pdbx_chem_comp_audit.action_type
_pdbx_chem_comp_audit.date
_pdbx_chem_comp_audit.processing_site
FE 'Create component' 1999-07-08 RCSB
FE 'Modify descriptor' 2011-06-04 RCSB
#
_pdbe_chem_comp_drugbank_details.comp_id FE
_pdbe_chem_comp_drugbank_details.drugbank_id DB13949
_pdbe_chem_comp_drugbank_details.type 'small molecule'
_pdbe_chem_comp_drugbank_details.name 'Ferric cation'
_pdbe_chem_comp_drugbank_details.description
'Iron is a transition metal with a symbol Fe and atomic number 26. By mass, it is the most common element on Earth. Iron is an essential element involved in various metabolic processes, including oxygen transport, deoxyribonucleic acid (DNA) synthesis, and energy production in electron transport [A32514]. Resulting from inadequate supply of iron to cells due to depletion of stores, iron deficiency is the most common nutritional deficiency worldwide, particularly affecting children, women of childbearing age, and pregnant women [L2257]. Iron deficiency may be characterized without the development of anemia, and may result in functional impairments affecting cognitive development and immunity mechanisms, as well as infant or maternal mortality if it occurs during pregnancy [A32514]. The main therapeutic preparation of iron is [DB13257], and iron-sucrose may also be given intravenously [T28].  Iron exists in two oxidation states: the ferrous cation (Fe2+) and ferric cation (Fe3+). Non-haem iron in food is mainly in the ferric state, which is the insoluble form of iron, and must be reduced to the ferrous cation for absorption [T28]. Ferric citrate (tetraferric tricitrate decahydrate) is a phosphate binder indicated for the control of serum phosphorus levels in patients with chronic kidney disease on dialysis.'
_pdbe_chem_comp_drugbank_details.cas_number 20074-52-6
_pdbe_chem_comp_drugbank_details.mechanism_of_action
'Iron is incorporated into various proteins to serve biological functions as a structural component or cofactor. Once ferric or ferrous cation from intestinal enterocytes or reticuloendothelial macrophages is bound to circulating transferrin, iron-transferrin complex binds to the cell-surface transferrin receptor (TfR) 1, resulting in endocytosis and uptake of the metal cargo. Internalized iron is transported to mitochondria for the synthesis of heme or iron-sulfur clusters, which are integral parts of several metalloproteins [A32514]. Excess iron is stored and detoxified in cytosolic ferritin [A32514]. Internalized Fe2+ exported across the basolateral membrane into the bloodstream via Fe+2 transporter ferroportin, which is coupled by reoxidation to Fe3+ via membrane-bound ferroxidase hephaestin or ceruloplasmin activity [A32514]. Fe+3 is again scavenged by transferrin which maintains the ferric iron in a redox-inert state and delivers it into tissues [A32514].  Fe3+ participates in the autoxidation reaction, where it can be chelated by DNA. It mainly binds to the backbone phosphate group, whereas at higher metal ion content, the cation binds to both guanine N-7 atom and the backbone phosphate group [A32520].'
#
loop_
_pdbe_chem_comp_synonyms.comp_id
_pdbe_chem_comp_synonyms.name
_pdbe_chem_comp_synonyms.provenance
_pdbe_chem_comp_synonyms.type
FE 'FE (III) ION' DrugBank ?
FE Fe(III) DrugBank ?
FE 'Ferric cation' DrugBank ?
FE 'Ferric ion' DrugBank ?
FE iron(3+) DrugBank ?
#
loop_
_pdbe_chem_comp_drugbank_targets.comp_id
_pdbe_chem_comp_drugbank_targets.drugbank_id
_pdbe_chem_comp_drugbank_targets.name
_pdbe_chem_comp_drugbank_targets.organism
_pdbe_chem_comp_drugbank_targets.uniprot_id
_pdbe_chem_comp_drugbank_targets.pharmacologically_active
_pdbe_chem_comp_drugbank_targets.ordinal
FE DB13949 'Transferrin receptor protein 1' Humans P02786 yes 1
FE DB13949 'Iron(3+)-hydroxamate-binding protein FhuD' 'Escherichia coli (strain K12)' P07822 unknown 2
#
loop_
_software.name
_software.version
_software.description
rdkit 2025.03.3 'Core functionality.'
pdbeccdutils 1.0.0 'Wrapper to provide 2D templates and molecular fragments.'
#
_pdbe_chem_comp_atom_depiction.comp_id FE
_pdbe_chem_comp_atom_depiction.atom_id FE
_pdbe_chem_comp_atom_depiction.element Fe
_pdbe_chem_comp_atom_depiction.model_Cartn_x 3.000
_pdbe_chem_comp_atom_depiction.model_Cartn_y 0.000
_pdbe_chem_comp_atom_depiction.pdbx_ordinal 1
#
#
#
#
_pdbe_chem_comp_rdkit_properties.comp_id FE
_pdbe_chem_comp_rdkit_properties.exactmw 55.933
_pdbe_chem_comp_rdkit_properties.amw 55.845
_pdbe_chem_comp_rdkit_properties.lipinskiHBA 0
_pdbe_chem_comp_rdkit_properties.lipinskiHBD 0
_pdbe_chem_comp_rdkit_properties.NumRotatableBonds 0
_pdbe_chem_comp_rdkit_properties.NumHBD 0
_pdbe_chem_comp_rdkit_properties.NumHBA 0
_pdbe_chem_comp_rdkit_properties.NumHeavyAtoms 1
_pdbe_chem_comp_rdkit_properties.NumAtoms 1
_pdbe_chem_comp_rdkit_properties.NumHeteroatoms 1
_pdbe_chem_comp_rdkit_properties.NumAmideBonds 0
_pdbe_chem_comp_rdkit_properties.FractionCSP3 0
_pdbe_chem_comp_rdkit_properties.NumRings 0
_pdbe_chem_comp_rdkit_properties.NumAromaticRings 0
_pdbe_chem_comp_rdkit_properties.NumAliphaticRings 0
_pdbe_chem_comp_rdkit_properties.NumSaturatedRings 0
_pdbe_chem_comp_rdkit_properties.NumHeterocycles 0
_pdbe_chem_comp_rdkit_properties.NumAromaticHeterocycles 0
_pdbe_chem_comp_rdkit_properties.NumSaturatedHeterocycles 0
_pdbe_chem_comp_rdkit_properties.NumAliphaticHeterocycles 0
_pdbe_chem_comp_rdkit_properties.NumSpiroAtoms 0
_pdbe_chem_comp_rdkit_properties.NumBridgeheadAtoms 0
_pdbe_chem_comp_rdkit_properties.NumAtomStereoCenters 0
_pdbe_chem_comp_rdkit_properties.NumUnspecifiedAtomStereoCenters 0
_pdbe_chem_comp_rdkit_properties.labuteASA 17.964
_pdbe_chem_comp_rdkit_properties.tpsa 0
_pdbe_chem_comp_rdkit_properties.CrippenClogP -0.003
_pdbe_chem_comp_rdkit_properties.CrippenMR 0
_pdbe_chem_comp_rdkit_properties.chi0v 1.458
_pdbe_chem_comp_rdkit_properties.chi1v 0
_pdbe_chem_comp_rdkit_properties.chi2v 0
_pdbe_chem_comp_rdkit_properties.chi3v 0
_pdbe_chem_comp_rdkit_properties.chi4v 0
_pdbe_chem_comp_rdkit_properties.chi0n 0.354
_pdbe_chem_comp_rdkit_properties.chi1n 0
_pdbe_chem_comp_rdkit_properties.chi2n 0
_pdbe_chem_comp_rdkit_properties.chi3n 0
_pdbe_chem_comp_rdkit_properties.chi4n 0
_pdbe_chem_comp_rdkit_properties.hallKierAlpha 0.519
_pdbe_chem_comp_rdkit_properties.kappa1 1.519
_pdbe_chem_comp_rdkit_properties.kappa2 0.444
_pdbe_chem_comp_rdkit_properties.kappa3 4.219
_pdbe_chem_comp_rdkit_properties.Phi 0.675
#
loop_
_pdbe_chem_comp_external_mappings.comp_id
_pdbe_chem_comp_external_mappings.source
_pdbe_chem_comp_external_mappings.resource
_pdbe_chem_comp_external_mappings.resource_id
FE UniChem DrugBank DB13949
FE UniChem 'KEGG LIGAND' C14819
FE UniChem ChEBI 29034
FE UniChem fdasrs 91O4LML611
FE UniChem HMDB HMDB0015531
FE UniChem 'PubChem TPHARMA' 14747289
FE UniChem PubChem 29936
FE UniChem Mcule MCULE-3117305964
FE UniChem ACTor 20074-52-6
FE UniChem Recon fe3
FE UniChem 'EPA CompTox Dashboard' DTXSID9041029
FE UniChem MetaboLights MTBLC29034
FE UniChem BRENDA 21825
FE UniChem BRENDA 228481
FE UniChem BRENDA 49050
FE UniChem BRENDA 49051
FE UniChem BRENDA 4910
FE UniChem BRENDA 70
FE UniChem BRENDA 8235
FE UniChem BRENDA 82544
FE UniChem Rhea 29034
FE UniChem rxnorm 'FERRIC CATION'
FE UniChem 'Probes And Drugs' PD013427
#
_pdbe_chem_comp_rdkit_conformer.comp_id FE
_pdbe_chem_comp_rdkit_conformer.atom_id FE
_pdbe_chem_comp_rdkit_conformer.Cartn_x_rdkit 0.000
_pdbe_chem_comp_rdkit_conformer.Cartn_y_rdkit 0.000
_pdbe_chem_comp_rdkit_conformer.Cartn_z_rdkit 0.000
_pdbe_chem_comp_rdkit_conformer.rdkit_method ETKDGv3
_pdbe_chem_comp_rdkit_conformer.rdkit_ordinal 1
#