data_NIO # _chem_comp.id NIO _chem_comp.name "NICOTINIC ACID" _chem_comp.type NON-POLYMER _chem_comp.pdbx_type HETAIN _chem_comp.formula "C6 H5 N O2" _chem_comp.mon_nstd_parent_comp_id ? _chem_comp.pdbx_synonyms ? _chem_comp.pdbx_formal_charge 0 _chem_comp.pdbx_initial_date 1999-07-08 _chem_comp.pdbx_modified_date 2024-10-02 _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 123.109 _chem_comp.one_letter_code ? _chem_comp.three_letter_code NIO _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 1D0V _chem_comp.pdbx_subcomponent_list ? _chem_comp.pdbx_processing_site RCSB _chem_comp.pdbx_pcm Y # 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_backbone_atom_flag _chem_comp_atom.pdbx_n_terminal_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 NIO N N N 0 1 Y N N N N N 54.272 40.203 8.275 1.206 -0.001 -1.822 N NIO 1 NIO C1 C1 C 0 1 Y N N N N N 53.052 39.721 8.476 1.174 0.004 -0.505 C1 NIO 2 NIO C2 C2 C 0 1 Y N N N N N 52.044 39.925 7.507 -0.044 -0.000 0.174 C2 NIO 3 NIO C3 C3 C 0 1 Y N N N N N 52.356 40.591 6.295 -1.233 0.000 -0.567 C3 NIO 4 NIO C4 C4 C 0 1 Y N N N N N 53.652 41.024 6.122 -1.144 0.000 -1.947 C4 NIO 5 NIO C5 C5 C 0 1 Y N N N N N 54.588 40.820 7.140 0.103 -0.000 -2.546 C5 NIO 6 NIO C6 C6 C 0 1 N N N Y N Y 50.675 39.411 7.731 -0.081 -0.000 1.651 C6 NIO 7 NIO O1 O1 O 0 1 N N N Y N Y 49.793 39.599 6.835 -1.147 0.000 2.232 O1 NIO 8 NIO O2 O2 O 0 1 N Y N Y N Y 50.380 38.777 8.803 1.068 -0.001 2.353 O2 NIO 9 NIO H1 H1 H 0 1 N N N N N N 52.881 39.169 9.416 2.098 0.003 0.052 H1 NIO 10 NIO H3 H3 H 0 1 N N N N N N 51.607 40.768 5.504 -2.193 0.000 -0.074 H3 NIO 11 NIO H4 H4 H 0 1 N N N N N N 53.936 41.526 5.182 -2.039 0.000 -2.552 H4 NIO 12 NIO H5 H5 H 0 1 N N N N N N 55.631 41.164 7.042 0.175 -0.000 -3.623 H5 NIO 13 NIO HO2 HO2 H 0 1 N Y N Y N Y 49.500 38.446 8.946 1.045 -0.001 3.319 HO2 NIO 14 # 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 NIO N C1 DOUB Y N 1 NIO N C5 SING Y N 2 NIO C1 C2 SING Y N 3 NIO C1 H1 SING N N 4 NIO C2 C3 DOUB Y N 5 NIO C2 C6 SING N N 6 NIO C3 C4 SING Y N 7 NIO C3 H3 SING N N 8 NIO C4 C5 DOUB Y N 9 NIO C4 H4 SING N N 10 NIO C5 H5 SING N N 11 NIO C6 O1 DOUB N N 12 NIO C6 O2 SING N N 13 NIO O2 HO2 SING N N 14 # 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 NIO SMILES ACDLabs 10.04 "O=C(O)c1cccnc1" NIO SMILES_CANONICAL CACTVS 3.341 "OC(=O)c1cccnc1" NIO SMILES CACTVS 3.341 "OC(=O)c1cccnc1" NIO SMILES_CANONICAL "OpenEye OEToolkits" 1.5.0 "c1cc(cnc1)C(=O)O" NIO SMILES "OpenEye OEToolkits" 1.5.0 "c1cc(cnc1)C(=O)O" NIO InChI InChI 1.03 "InChI=1S/C6H5NO2/c8-6(9)5-2-1-3-7-4-5/h1-4H,(H,8,9)" NIO InChIKey InChI 1.03 PVNIIMVLHYAWGP-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 NIO "SYSTEMATIC NAME" ACDLabs 10.04 "pyridine-3-carboxylic acid" NIO "SYSTEMATIC NAME" "OpenEye OEToolkits" 1.5.0 "pyridine-3-carboxylic 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 NIO 'Create component' 1999-07-08 RCSB NIO 'Modify descriptor' 2011-06-04 RCSB NIO 'Modify PCM' 2024-09-27 PDBE NIO 'Modify backbone' 2024-10-02 PDBE # 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.position _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 1 NIO ? None 'Non-standard residue' 'Amino-acid side chain and backbone' N-terminal ? ? ? ? 2 NIO CYS None 'Covalent chemical modification' 'Amino-acid side chain' 'Any position' C6 SG ? ? # _pdbe_chem_comp_drugbank_details.comp_id NIO _pdbe_chem_comp_drugbank_details.drugbank_id DB00627 _pdbe_chem_comp_drugbank_details.type 'small molecule' _pdbe_chem_comp_drugbank_details.name Niacin _pdbe_chem_comp_drugbank_details.description 'Niacin is a B vitamin used to treat vitamin deficiencies as well as hyperlipidemia, dyslipidemia, hypertriglyceridemia, and to reduce the risk of myocardial infarctions.[L7550,L7553,L7556,L7559,L7562,L7565]' _pdbe_chem_comp_drugbank_details.cas_number 59-67-6 _pdbe_chem_comp_drugbank_details.mechanism_of_action 'Niacin performs a number of functions in the body and so has many mechanisms, not all of which have been fully described.[A19555] Niacin can decrease lipids and apolipoprotein B (apo B)-containing lipoproteins by modulating triglyceride synthesis in the liver, which degrades apo B, or by modulating lipolysis in adipose tissue.[A19555] Niacin inhibits hepatocyte diacylglycerol acyltransferase-2.[A19555] This action prevents the final step of triglyceride synthesis in hepatocytes, limiting available triglycerides for very low density lipoproteins (VLDL).[A19555] This activity also leads to intracellular degradation of apo B and decreased production of low density lipoproteins, the catabolic product of VLDL.[A19555] Niacin also inhibits a high density lipoprotein (HDL) catabolism receptor, which increases the levels and half life of HDL.[A19555]' # loop_ _pdbe_chem_comp_synonyms.comp_id _pdbe_chem_comp_synonyms.name _pdbe_chem_comp_synonyms.provenance _pdbe_chem_comp_synonyms.type NIO 3-carboxypyridine DrugBank ? NIO '3-Pyridinecarboxylic acid' DrugBank ? NIO '3-Pyridylcarboxylic acid' DrugBank ? NIO 'Acidum Nicotinicum' DrugBank ? NIO 'anti-pellagra vitamin' DrugBank ? NIO 'm-pyridinecarboxylic acid' DrugBank ? NIO Niacin DrugBank ? NIO 'Nicotinic acid' DrugBank ? NIO 'pyridine-β-carboxylic acid' DrugBank ? NIO 'Vitamin B-3' DrugBank ? NIO 'Vitamin B3' DrugBank ? NIO 'β-pyridinecarboxylic acid' DrugBank ? # _pdbe_chem_comp_drugbank_classification.comp_id NIO _pdbe_chem_comp_drugbank_classification.drugbank_id DB00627 _pdbe_chem_comp_drugbank_classification.parent 'Pyridinecarboxylic acids' _pdbe_chem_comp_drugbank_classification.kingdom 'Organic compounds' _pdbe_chem_comp_drugbank_classification.class 'Pyridines and derivatives' _pdbe_chem_comp_drugbank_classification.superclass 'Organoheterocyclic compounds' _pdbe_chem_comp_drugbank_classification.description 'This compound belongs to the class of organic compounds known as pyridinecarboxylic acids. These are compounds containing a pyridine ring bearing a carboxylic acid group.' # 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 NIO DB00627 'Hydroxycarboxylic acid receptor 3' Humans P49019 yes 1 NIO DB00627 'Hydroxycarboxylic acid receptor 2' Humans Q8TDS4 yes 2 NIO DB00627 'Nicotinate-nucleotide pyrophosphorylase [carboxylating]' Humans Q15274 yes 3 NIO DB00627 'Nicotinamide N-methyltransferase' Humans P40261 yes 4 NIO DB00627 'Diacylglycerol O-acyltransferase 2' Humans Q96PD7 unknown 5 # 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.' # loop_ _pdbe_chem_comp_atom_depiction.comp_id _pdbe_chem_comp_atom_depiction.atom_id _pdbe_chem_comp_atom_depiction.element _pdbe_chem_comp_atom_depiction.model_Cartn_x _pdbe_chem_comp_atom_depiction.model_Cartn_y _pdbe_chem_comp_atom_depiction.pdbx_ordinal NIO N N 1.012 -2.083 1 NIO C1 C -0.288 -1.334 2 NIO C2 C -0.289 0.166 3 NIO C3 C 1.010 0.917 4 NIO C4 C 2.309 0.169 5 NIO C5 C 2.310 -1.331 6 NIO C6 C -1.588 0.916 7 NIO O1 O -1.590 2.416 8 NIO O2 O -2.887 0.164 9 # loop_ _pdbe_chem_comp_bond_depiction.comp_id _pdbe_chem_comp_bond_depiction.atom_id_1 _pdbe_chem_comp_bond_depiction.atom_id_2 _pdbe_chem_comp_bond_depiction.value_order _pdbe_chem_comp_bond_depiction.bond_dir _pdbe_chem_comp_bond_depiction.pdbx_ordinal NIO N C1 DOUBLE NONE 1 NIO N C5 SINGLE NONE 2 NIO C1 C2 SINGLE NONE 3 NIO C2 C3 DOUBLE NONE 4 NIO C2 C6 SINGLE NONE 5 NIO C3 C4 SINGLE NONE 6 NIO C4 C5 DOUBLE NONE 7 NIO C6 O1 DOUBLE NONE 8 NIO C6 O2 SINGLE NONE 9 # loop_ _pdbe_chem_comp_substructure.comp_id _pdbe_chem_comp_substructure.substructure_name _pdbe_chem_comp_substructure.id _pdbe_chem_comp_substructure.substructure_type _pdbe_chem_comp_substructure.substructure_smiles _pdbe_chem_comp_substructure.substructure_inchis _pdbe_chem_comp_substructure.substructure_inchikeys NIO MurckoScaffold S1 scaffold c1ccncc1 InChI=1S/C5H5N/c1-2-4-6-5-3-1/h1-5H JUJWROOIHBZHMG-UHFFFAOYSA-N NIO pyridine F1 fragment c1ccncc1 InChI=1S/C5H5N/c1-2-4-6-5-3-1/h1-5H JUJWROOIHBZHMG-UHFFFAOYSA-N # loop_ _pdbe_chem_comp_substructure_mapping.comp_id _pdbe_chem_comp_substructure_mapping.atom_id _pdbe_chem_comp_substructure_mapping.substructure_id _pdbe_chem_comp_substructure_mapping.substructure_ordinal NIO N S1 1 NIO C1 S1 1 NIO C2 S1 1 NIO C3 S1 1 NIO C4 S1 1 NIO C5 S1 1 NIO C1 F1 1 NIO C2 F1 1 NIO C3 F1 1 NIO C4 F1 1 NIO C5 F1 1 NIO N F1 1 # _pdbe_chem_comp_rdkit_properties.comp_id NIO _pdbe_chem_comp_rdkit_properties.exactmw 123.032 _pdbe_chem_comp_rdkit_properties.amw 123.111 _pdbe_chem_comp_rdkit_properties.lipinskiHBA 3 _pdbe_chem_comp_rdkit_properties.lipinskiHBD 1 _pdbe_chem_comp_rdkit_properties.NumRotatableBonds 1 _pdbe_chem_comp_rdkit_properties.NumHBD 1 _pdbe_chem_comp_rdkit_properties.NumHBA 3 _pdbe_chem_comp_rdkit_properties.NumHeavyAtoms 9 _pdbe_chem_comp_rdkit_properties.NumAtoms 14 _pdbe_chem_comp_rdkit_properties.NumHeteroatoms 3 _pdbe_chem_comp_rdkit_properties.NumAmideBonds 0 _pdbe_chem_comp_rdkit_properties.FractionCSP3 0 _pdbe_chem_comp_rdkit_properties.NumRings 1 _pdbe_chem_comp_rdkit_properties.NumAromaticRings 1 _pdbe_chem_comp_rdkit_properties.NumAliphaticRings 0 _pdbe_chem_comp_rdkit_properties.NumSaturatedRings 0 _pdbe_chem_comp_rdkit_properties.NumHeterocycles 1 _pdbe_chem_comp_rdkit_properties.NumAromaticHeterocycles 1 _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 59.083 _pdbe_chem_comp_rdkit_properties.tpsa 50.190 _pdbe_chem_comp_rdkit_properties.CrippenClogP 0.725 _pdbe_chem_comp_rdkit_properties.CrippenMR 30.930 _pdbe_chem_comp_rdkit_properties.chi0v 4.264 _pdbe_chem_comp_rdkit_properties.chi1v 2.105 _pdbe_chem_comp_rdkit_properties.chi2v 0.671 _pdbe_chem_comp_rdkit_properties.chi3v 0.671 _pdbe_chem_comp_rdkit_properties.chi4v 0.327 _pdbe_chem_comp_rdkit_properties.chi0n 9.264 _pdbe_chem_comp_rdkit_properties.chi1n 4.514 _pdbe_chem_comp_rdkit_properties.chi2n 0.671 _pdbe_chem_comp_rdkit_properties.chi3n 0.671 _pdbe_chem_comp_rdkit_properties.chi4n 0.327 _pdbe_chem_comp_rdkit_properties.hallKierAlpha -1.380 _pdbe_chem_comp_rdkit_properties.kappa1 2.097 _pdbe_chem_comp_rdkit_properties.kappa2 2.259 _pdbe_chem_comp_rdkit_properties.kappa3 1.253 _pdbe_chem_comp_rdkit_properties.Phi 0.526 # 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 NIO UniChem DrugBank DB00627 NIO UniChem 'Guide to Pharmacology' 1588 NIO UniChem 'Guide to Pharmacology' 1594 NIO UniChem 'PubChem DOTF' 87550957 NIO UniChem 'KEGG LIGAND' C00253 NIO UniChem ChEBI 15940 NIO UniChem NIH SAM002554917 NIO UniChem ZINC ZINC000000001795 NIO UniChem eMolecules 28295293 NIO UniChem atlas 'nicotinic acid' NIO UniChem fdasrs 2679MF687A NIO UniChem SureChEMBL SCHEMBL16147135 NIO UniChem PharmGKB PA450617 NIO UniChem HMDB HMDB0001488 NIO UniChem Selleck Niacin(Nicotinic-acid) NIO UniChem 'PubChem TPHARMA' 15146539 NIO UniChem NMRShiftDB 20027733 NIO UniChem LINCS LSM-4676 NIO UniChem ACTor 123574-58-3 NIO UniChem ACTor 59-67-6 NIO UniChem Nikkaji J2.809F NIO UniChem BindingDb 23515 NIO UniChem DrugCentral 2835 NIO UniChem MetaboLights MTBLC15940 NIO UniChem BRENDA 1029 NIO UniChem BRENDA 107144 NIO UniChem BRENDA 11184 NIO UniChem BRENDA 1282 NIO UniChem BRENDA 143710 NIO UniChem BRENDA 145298 NIO UniChem BRENDA 171408 NIO UniChem BRENDA 221654 NIO UniChem BRENDA 43365 NIO UniChem BRENDA 43567 NIO UniChem BRENDA 45153 NIO UniChem BRENDA 50899 NIO UniChem BRENDA 51559 NIO UniChem ChemicalBook CB0276607 NIO UniChem DailyMed NIACIN NIO UniChem ClinicalTrials NIACIN NIO UniChem ClinicalTrials NIACOR NIO UniChem ClinicalTrials NIASPAN NIO UniChem ClinicalTrials NICOLAR NIO UniChem ClinicalTrials 'NICOTINIC ACID' NIO UniChem ClinicalTrials WAMPOCAP NIO UniChem rxnorm NIACIN NIO UniChem rxnorm NIACOR NIO UniChem rxnorm NIASPAN NIO UniChem MedChemExpress HY-B0143 NIO UniChem 'Probes And Drugs' PD001840 NIO UniChem CCDC NICOAC NIO UniChem 'EPA CompTox Dashboard' DTXSID1020932 NIO UniChem eMolecules 503323 NIO UniChem SureChEMBL SCHEMBL1433 NIO UniChem PubChem 117629482 NIO UniChem PubChem 938 NIO UniChem Mcule MCULE-3788394698 # loop_ _pdbe_chem_comp_rdkit_conformer.comp_id _pdbe_chem_comp_rdkit_conformer.atom_id _pdbe_chem_comp_rdkit_conformer.Cartn_x_rdkit _pdbe_chem_comp_rdkit_conformer.Cartn_y_rdkit _pdbe_chem_comp_rdkit_conformer.Cartn_z_rdkit _pdbe_chem_comp_rdkit_conformer.rdkit_method _pdbe_chem_comp_rdkit_conformer.rdkit_ordinal NIO N -1.411 1.530 0.612 ETKDGv3 1 NIO C1 -0.119 1.422 0.496 ETKDGv3 2 NIO C2 0.487 0.151 0.023 ETKDGv3 3 NIO C3 -0.331 -0.873 -0.280 ETKDGv3 4 NIO C4 -1.792 -0.720 -0.140 ETKDGv3 5 NIO C5 -2.293 0.442 0.290 ETKDGv3 6 NIO C6 1.954 0.022 -0.110 ETKDGv3 7 NIO O1 2.704 0.993 0.179 ETKDGv3 8 NIO O2 2.520 -1.170 -0.555 ETKDGv3 9 NIO H1 0.506 2.267 0.750 ETKDGv3 10 NIO H3 0.061 -1.820 -0.630 ETKDGv3 11 NIO H4 -2.450 -1.544 -0.384 ETKDGv3 12 NIO H5 -3.362 0.567 0.398 ETKDGv3 13 NIO HO2 3.525 -1.266 -0.648 ETKDGv3 14 #