data_OCA
#
_chem_comp.id OCA
_chem_comp.name 'OCTANOIC ACID (CAPRYLIC ACID)'
_chem_comp.type NON-POLYMER
_chem_comp.pdbx_type HETAIN
_chem_comp.formula 'C8 H16 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 2024-09-27
_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 144.211
_chem_comp.one_letter_code ?
_chem_comp.three_letter_code OCA
_chem_comp.pdbx_model_coordinates_details ?
_chem_comp.pdbx_model_coordinates_missing_flag Y
_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.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
OCA C1 C1 C 0 1 N N N N N N 105.924 5.246 54.063 -5.587 2.352 6.172 C1 OCA 1
OCA C2 C2 C 0 1 N N N N N N 107.205 4.581 54.522 -5.974 1.520 4.970 C2 OCA 2
OCA C3 C3 C 0 1 N N N N N N 107.017 3.741 55.777 -4.981 1.687 3.820 C3 OCA 3
OCA C4 C4 C 0 1 N N N N N N 106.656 4.588 56.996 -5.346 0.869 2.577 C4 OCA 4
OCA C5 C5 C 0 1 N N N N N N 106.615 3.719 58.245 -4.357 0.954 1.410 C5 OCA 5
OCA C6 C6 C 0 1 N N N N N N 106.692 4.554 59.507 -4.761 0.100 0.207 C6 OCA 6
OCA C7 C7 C 0 1 N N N N N N 107.043 3.695 60.719 -3.736 0.216 -0.923 C7 OCA 7
OCA C8 C8 C 0 1 N N N N N N 108.389 2.991 60.623 -4.151 -0.601 -2.137 C8 OCA 8
OCA O1 O1 O 0 1 N N N N N N 105.020 4.517 53.605 -4.599 3.068 6.252 O1 OCA 9
OCA O2 O2 O 0 1 N Y N N N N ? ? ? -6.488 2.214 7.180 O2 OCA 10
OCA H21 1H2 H 0 1 N N N N N N 107.927 5.377 54.759 -6.007 0.469 5.277 H21 OCA 11
OCA H22 2H2 H 0 1 N N N N N N 107.563 3.924 53.716 -6.974 1.836 4.655 H22 OCA 12
OCA H31 1H3 H 0 1 N N N N N N 107.970 3.234 55.989 -3.985 1.369 4.154 H31 OCA 13
OCA H32 2H3 H 0 1 N N N N N N 106.203 3.023 55.598 -4.885 2.747 3.560 H32 OCA 14
OCA H41 1H4 H 0 1 N N N N N N 105.665 5.040 56.839 -6.332 1.191 2.219 H41 OCA 15
OCA H42 2H4 H 0 1 N N N N N N 107.413 5.376 57.127 -5.455 -0.181 2.874 H42 OCA 16
OCA H51 1H5 H 0 1 N N N N N N 107.483 3.043 58.224 -4.291 2.004 1.098 H51 OCA 17
OCA H52 2H5 H 0 1 N N N N N N 105.672 3.153 58.252 -3.353 0.671 1.747 H52 OCA 18
OCA H61 1H6 H 0 1 N N N N N N 105.709 5.015 59.680 -4.848 -0.951 0.504 H61 OCA 19
OCA H62 2H6 H 0 1 N N N N N N 107.469 5.322 59.378 -5.746 0.418 -0.157 H62 OCA 20
OCA H71 1H7 H 0 1 N N N N N N 106.278 2.907 60.781 -3.624 1.265 -1.218 H71 OCA 21
OCA H72 2H7 H 0 1 N N N N N N 107.068 4.351 61.602 -2.757 -0.130 -0.574 H72 OCA 22
OCA H81 1H8 H 0 1 N N N N N N 108.423 2.388 59.703 -4.242 -1.662 -1.883 H81 OCA 23
OCA H82 2H8 H 0 1 N N N N N N 108.523 2.336 61.496 -3.404 -0.504 -2.931 H82 OCA 24
OCA H83 3H8 H 0 1 N N N N N N 109.194 3.740 60.600 -5.112 -0.258 -2.531 H83 OCA 25
OCA HO2 HO2 H 0 1 N N N N N N -0.803 0.417 -0.288 -6.288 2.737 7.987 HO2 OCA 26
#
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
OCA C1 C2 SING N N 1
OCA C1 O1 DOUB N N 2
OCA C1 O2 SING N N 3
OCA C2 C3 SING N N 4
OCA C2 H21 SING N N 5
OCA C2 H22 SING N N 6
OCA C3 C4 SING N N 7
OCA C3 H31 SING N N 8
OCA C3 H32 SING N N 9
OCA C4 C5 SING N N 10
OCA C4 H41 SING N N 11
OCA C4 H42 SING N N 12
OCA C5 C6 SING N N 13
OCA C5 H51 SING N N 14
OCA C5 H52 SING N N 15
OCA C6 C7 SING N N 16
OCA C6 H61 SING N N 17
OCA C6 H62 SING N N 18
OCA C7 C8 SING N N 19
OCA C7 H71 SING N N 20
OCA C7 H72 SING N N 21
OCA C8 H81 SING N N 22
OCA C8 H82 SING N N 23
OCA C8 H83 SING N N 24
OCA O2 HO2 SING N N 25
#
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
OCA SMILES ACDLabs 10.04 'O=C(O)CCCCCCC'
OCA SMILES_CANONICAL CACTVS 3.341 'CCCCCCCC(O)=O'
OCA SMILES CACTVS 3.341 'CCCCCCCC(O)=O'
OCA SMILES_CANONICAL 'OpenEye OEToolkits' 1.5.0 'CCCCCCCC(=O)O'
OCA SMILES 'OpenEye OEToolkits' 1.5.0 'CCCCCCCC(=O)O'
OCA InChI InChI 1.03 'InChI=1S/C8H16O2/c1-2-3-4-5-6-7-8(9)10/h2-7H2,1H3,(H,9,10)'
OCA InChIKey InChI 1.03 WWZKQHOCKIZLMA-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
OCA 'SYSTEMATIC NAME' ACDLabs 10.04 'octanoic acid'
OCA 'SYSTEMATIC NAME' 'OpenEye OEToolkits' 1.5.0 'octanoic 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
OCA 'Create component' 1999-07-08 RCSB
OCA 'Modify descriptor' 2011-06-04 RCSB
OCA 'Modify PCM' 2024-09-27 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 OCA SER Octanoylation Lipid/lipid-like 'Amino-acid side chain' 'Any position' C1 OG PTM-0239 ?
2 OCA THR Octanoylation Lipid/lipid-like 'Amino-acid side chain' 'Any position' C1 OG1 PTM-0240 ?
3 OCA GLY Octanoylation Lipid/lipid-like 'Amino-acid backbone' N-terminal C1 N ? ?
4 OCA PRO Octanoylation Lipid/lipid-like 'Amino-acid backbone' N-terminal C1 N ? ?
5 OCA WFP Octanoylation Lipid/lipid-like 'Amino-acid backbone' N-terminal C1 N ? ?
6 OCA DSN Octanoylation Lipid/lipid-like 'Amino-acid side chain' 'Any position' C1 OG ? ?
7 OCA DVA Octanoylation Lipid/lipid-like 'Amino-acid backbone' N-terminal C1 N ? ?
8 OCA CYS Octanoylation Lipid/lipid-like 'Amino-acid side chain' 'Any position' C1 SG ? ?
#
_pdbe_chem_comp_drugbank_details.comp_id OCA
_pdbe_chem_comp_drugbank_details.drugbank_id DB04519
_pdbe_chem_comp_drugbank_details.type 'small molecule'
_pdbe_chem_comp_drugbank_details.name 'Caprylic acid'
_pdbe_chem_comp_drugbank_details.description
'Caprylic acid is an eight-carbon chain fatty acid, also known systematically as octanoic acid. It is found naturally in coconuts and breast milk. It is an oily liquid with a slightly unpleasant rancid-like smell that is minimally soluble in water.'
_pdbe_chem_comp_drugbank_details.cas_number 124-07-2
_pdbe_chem_comp_drugbank_details.mechanism_of_action ?
#
loop_
_pdbe_chem_comp_synonyms.comp_id
_pdbe_chem_comp_synonyms.name
_pdbe_chem_comp_synonyms.provenance
_pdbe_chem_comp_synonyms.type
OCA '1-heptanecarboxylic acid' DrugBank ?
OCA 'Acidum octanocium' DrugBank ?
OCA 'Acidum octanoicum' DrugBank ?
OCA C8:0 DrugBank ?
OCA 'Caprylic acid' DrugBank ?
OCA 'n-caprylic acid' DrugBank ?
OCA 'n-octanoic acid' DrugBank ?
OCA 'n-Octoic acid' DrugBank ?
OCA 'n-octylic acid' DrugBank ?
OCA 'Octanoic acid' DrugBank ?
OCA 'Octoic acid' DrugBank ?
OCA 'Octylic acid' DrugBank ?
#
_pdbe_chem_comp_drugbank_classification.comp_id OCA
_pdbe_chem_comp_drugbank_classification.drugbank_id DB04519
_pdbe_chem_comp_drugbank_classification.parent 'Medium-chain fatty acids'
_pdbe_chem_comp_drugbank_classification.kingdom 'Organic compounds'
_pdbe_chem_comp_drugbank_classification.class 'Fatty Acyls'
_pdbe_chem_comp_drugbank_classification.superclass 'Lipids and lipid-like molecules'
_pdbe_chem_comp_drugbank_classification.description
'This compound belongs to the class of organic compounds known as medium-chain fatty acids. These are fatty acids with an aliphatic tail that contains between 4 and 12 carbon atoms.'
#
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
OCA DB04519 'Peroxisome proliferator-activated receptor alpha' Humans Q07869 unknown 1
OCA DB04519 '3-oxoacyl-[acyl-carrier-protein] synthase 1' 'Escherichia coli (strain K12)' P0A953 unknown 2
OCA DB04519 'Acyl-CoA thioesterase I' 'Escherichia coli (strain K12)' P0ADA1 unknown 3
#
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
OCA C1 C 5.104 0.375 1
OCA C2 C 6.404 1.125 2
OCA C3 C 7.702 0.375 3
OCA C4 C 9.002 1.125 4
OCA C5 C 10.301 0.375 5
OCA C6 C 11.600 1.125 6
OCA C7 C 12.899 0.375 7
OCA C8 C 14.198 1.125 8
OCA O1 O 3.805 1.125 9
OCA O2 O 5.104 -1.125 10
#
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
OCA C1 C2 SINGLE NONE 1
OCA C1 O1 DOUBLE NONE 2
OCA C1 O2 SINGLE NONE 3
OCA C2 C3 SINGLE NONE 4
OCA C3 C4 SINGLE NONE 5
OCA C4 C5 SINGLE NONE 6
OCA C5 C6 SINGLE NONE 7
OCA C6 C7 SINGLE NONE 8
OCA C7 C8 SINGLE NONE 9
#
#
#
_pdbe_chem_comp_rdkit_properties.comp_id OCA
_pdbe_chem_comp_rdkit_properties.exactmw 144.115
_pdbe_chem_comp_rdkit_properties.amw 144.214
_pdbe_chem_comp_rdkit_properties.lipinskiHBA 2
_pdbe_chem_comp_rdkit_properties.lipinskiHBD 1
_pdbe_chem_comp_rdkit_properties.NumRotatableBonds 7
_pdbe_chem_comp_rdkit_properties.NumHBD 1
_pdbe_chem_comp_rdkit_properties.NumHBA 2
_pdbe_chem_comp_rdkit_properties.NumHeavyAtoms 10
_pdbe_chem_comp_rdkit_properties.NumAtoms 26
_pdbe_chem_comp_rdkit_properties.NumHeteroatoms 2
_pdbe_chem_comp_rdkit_properties.NumAmideBonds 0
_pdbe_chem_comp_rdkit_properties.FractionCSP3 0.875
_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 84.816
_pdbe_chem_comp_rdkit_properties.tpsa 37.300
_pdbe_chem_comp_rdkit_properties.CrippenClogP 2.431
_pdbe_chem_comp_rdkit_properties.CrippenMR 41.012
_pdbe_chem_comp_rdkit_properties.chi0v 4.816
_pdbe_chem_comp_rdkit_properties.chi1v 2.158
_pdbe_chem_comp_rdkit_properties.chi2v 0.415
_pdbe_chem_comp_rdkit_properties.chi3v 0.415
_pdbe_chem_comp_rdkit_properties.chi4v 0.176
_pdbe_chem_comp_rdkit_properties.chi0n 20.816
_pdbe_chem_comp_rdkit_properties.chi1n 10.066
_pdbe_chem_comp_rdkit_properties.chi2n 0.415
_pdbe_chem_comp_rdkit_properties.chi3n 0.415
_pdbe_chem_comp_rdkit_properties.chi4n 0.176
_pdbe_chem_comp_rdkit_properties.hallKierAlpha -0.530
_pdbe_chem_comp_rdkit_properties.kappa1 1.135
_pdbe_chem_comp_rdkit_properties.kappa2 6.588
_pdbe_chem_comp_rdkit_properties.kappa3 7.470
_pdbe_chem_comp_rdkit_properties.Phi 0.747
#
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
OCA UniChem DrugBank DB04519
OCA UniChem 'Guide to Pharmacology' 4585
OCA UniChem 'KEGG LIGAND' C06423
OCA UniChem ChEBI 28837
OCA UniChem ZINC ZINC000001530416
OCA UniChem eMolecules 488981
OCA UniChem fdasrs OBL58JN025
OCA UniChem SureChEMBL SCHEMBL20552548
OCA UniChem HMDB HMDB0000482
OCA UniChem 'PubChem TPHARMA' 14747813
OCA UniChem PubChem 135372298
OCA UniChem NMRShiftDB 60018547
OCA UniChem ACTor 124-07-2
OCA UniChem ACTor 68937-75-7
OCA UniChem BindingDb 50485608
OCA UniChem DrugCentral 3998
OCA UniChem MetaboLights MTBLC28837
OCA UniChem BRENDA 131475
OCA UniChem BRENDA 1649
OCA UniChem BRENDA 195468
OCA UniChem BRENDA 225058
OCA UniChem BRENDA 4089
OCA UniChem BRENDA 4924
OCA UniChem BRENDA 6004
OCA UniChem BRENDA 865
OCA UniChem BRENDA 96858
OCA UniChem ChemicalBook CB5227624
OCA UniChem ClinicalTrials 'CAPRYLIC ACID'
OCA UniChem ClinicalTrials 'OCTANOIC ACID'
OCA UniChem rxnorm 'OCTANOIC ACID'
OCA UniChem MedChemExpress HY-41417
OCA UniChem 'Probes And Drugs' PD006035
OCA UniChem CCDC ISENUP
OCA UniChem 'EPA CompTox Dashboard' DTXSID3021645
OCA UniChem SureChEMBL SCHEMBL3933
OCA UniChem PubChem 379
OCA UniChem Mcule MCULE-5193957469
OCA UniChem Nikkaji J2.013C
#
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
OCA C1 -3.239 -0.167 1.129 ETKDGv3 1
OCA C2 -1.939 -0.910 1.080 ETKDGv3 2
OCA C3 -1.402 -1.018 -0.355 ETKDGv3 3
OCA C4 -0.895 0.327 -0.922 ETKDGv3 4
OCA C5 0.636 0.470 -0.891 ETKDGv3 5
OCA C6 1.197 0.559 0.538 ETKDGv3 6
OCA C7 2.677 0.973 0.566 ETKDGv3 7
OCA C8 3.602 -0.109 0.010 ETKDGv3 8
OCA O1 -3.279 1.013 1.570 ETKDGv3 9
OCA O2 -4.402 -0.775 0.666 ETKDGv3 10
OCA H21 -2.109 -1.934 1.477 ETKDGv3 11
OCA H22 -1.196 -0.418 1.743 ETKDGv3 12
OCA H31 -2.212 -1.408 -1.011 ETKDGv3 13
OCA H32 -0.591 -1.779 -0.380 ETKDGv3 14
OCA H41 -1.364 1.192 -0.404 ETKDGv3 15
OCA H42 -1.210 0.393 -1.986 ETKDGv3 16
OCA H51 1.095 -0.387 -1.429 ETKDGv3 17
OCA H52 0.904 1.397 -1.444 ETKDGv3 18
OCA H61 0.619 1.319 1.108 ETKDGv3 19
OCA H62 1.082 -0.419 1.053 ETKDGv3 20
OCA H71 2.821 1.916 -0.005 ETKDGv3 21
OCA H72 2.966 1.171 1.620 ETKDGv3 22
OCA H81 3.436 -1.072 0.539 ETKDGv3 23
OCA H82 4.659 0.198 0.158 ETKDGv3 24
OCA H83 3.432 -0.250 -1.078 ETKDGv3 25
OCA HO2 -5.288 -0.283 0.684 ETKDGv3 26
#