data_COI # _chem_comp.id COI _chem_comp.name "2-OXO-4-METHYLPENTANOIC ACID" _chem_comp.type NON-POLYMER _chem_comp.pdbx_type HETAIN _chem_comp.formula "C6 H10 O3" _chem_comp.mon_nstd_parent_comp_id ? _chem_comp.pdbx_synonyms "alpha-ketoisocaproic acid" _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 130.142 _chem_comp.one_letter_code ? _chem_comp.three_letter_code COI _chem_comp.pdbx_model_coordinates_details ? _chem_comp.pdbx_model_coordinates_missing_flag N _chem_comp.pdbx_ideal_coordinates_details Corina _chem_comp.pdbx_ideal_coordinates_missing_flag N _chem_comp.pdbx_model_coordinates_db_code 1DXY _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 COI C1 C1 C 0 1 N N N Y N Y 84.981 55.644 -9.725 1.877 -0.258 0.049 C1 COI 1 COI O1 O1 O 0 1 N Y N Y N Y 85.452 55.613 -8.559 2.077 -1.424 0.316 O1 COI 2 COI O2 O2 O 0 1 N N N Y N Y 83.744 55.554 -9.903 2.913 0.593 -0.068 O2 COI 3 COI C2 C2 C 0 1 N N N N N N 85.808 55.807 -10.852 0.484 0.231 -0.155 C2 COI 4 COI O3 O3 O 0 1 N Y N N N N 86.613 54.915 -11.173 0.284 1.392 -0.421 O3 COI 5 COI C3 C3 C 0 1 N N N N N N 85.706 57.063 -11.712 -0.676 -0.723 -0.030 C3 COI 6 COI C4 C4 C 0 1 N N N N N N 85.522 58.342 -10.884 -1.985 0.027 -0.285 C4 COI 7 COI C5 C5 C 0 1 N N N N N N 86.760 58.644 -10.064 -3.150 -0.964 -0.281 C5 COI 8 COI C6 C6 C 0 1 N N N N N N 85.244 59.496 -11.805 -2.197 1.069 0.815 C6 COI 9 COI HO2 HO2 H 0 1 N Y N Y N Y 83.308 55.469 -9.063 3.798 0.229 0.069 HO2 COI 10 COI H31 H31 H 0 1 N N N N N N 86.628 57.158 -12.304 -0.568 -1.524 -0.762 H31 COI 11 COI H32 H32 H 0 1 N N N N N N 84.845 56.956 -12.388 -0.690 -1.148 0.974 H32 COI 12 COI H4 H4 H 0 1 N N N N N N 84.667 58.205 -10.206 -1.934 0.526 -1.253 H4 COI 13 COI H51 H51 H 0 1 N N N N N N 86.600 59.564 -9.482 -3.200 -1.462 0.687 H51 COI 14 COI H52 H52 H 0 1 N N N N N N 86.959 57.807 -9.379 -4.082 -0.429 -0.463 H52 COI 15 COI H53 H53 H 0 1 N N N N N N 87.620 58.780 -10.736 -2.999 -1.706 -1.065 H53 COI 16 COI H61 H61 H 0 1 N N N N N N 85.112 60.414 -11.214 -3.129 1.604 0.633 H61 COI 17 COI H62 H62 H 0 1 N N N N N N 86.089 59.624 -12.497 -2.247 0.571 1.783 H62 COI 18 COI H63 H63 H 0 1 N N N N N N 84.327 59.294 -12.379 -1.367 1.775 0.812 H63 COI 19 # 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 COI C1 O1 DOUB N N 1 COI C1 O2 SING N N 2 COI C1 C2 SING N N 3 COI O2 HO2 SING N N 4 COI C2 O3 DOUB N N 5 COI C2 C3 SING N N 6 COI C3 C4 SING N N 7 COI C3 H31 SING N N 8 COI C3 H32 SING N N 9 COI C4 C5 SING N N 10 COI C4 C6 SING N N 11 COI C4 H4 SING N N 12 COI C5 H51 SING N N 13 COI C5 H52 SING N N 14 COI C5 H53 SING N N 15 COI C6 H61 SING N N 16 COI C6 H62 SING N N 17 COI C6 H63 SING N N 18 # 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 COI SMILES ACDLabs 12.01 "O=C(C(=O)O)CC(C)C" COI InChI InChI 1.03 "InChI=1S/C6H10O3/c1-4(2)3-5(7)6(8)9/h4H,3H2,1-2H3,(H,8,9)" COI InChIKey InChI 1.03 BKAJNAXTPSGJCU-UHFFFAOYSA-N COI SMILES_CANONICAL CACTVS 3.370 "CC(C)CC(=O)C(O)=O" COI SMILES CACTVS 3.370 "CC(C)CC(=O)C(O)=O" COI SMILES_CANONICAL "OpenEye OEToolkits" 1.7.6 "CC(C)CC(=O)C(=O)O" COI SMILES "OpenEye OEToolkits" 1.7.6 "CC(C)CC(=O)C(=O)O" # 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 COI "SYSTEMATIC NAME" ACDLabs 12.01 "4-methyl-2-oxopentanoic acid" COI "SYSTEMATIC NAME" "OpenEye OEToolkits" 1.7.6 "4-methyl-2-oxidanylidene-pentanoic 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 COI "Create component" 1999-07-08 RCSB COI "Modify descriptor" 2011-06-04 RCSB COI "Modify leaving atom flag" 2012-03-12 RCSB COI "Modify synonyms" 2013-05-29 RCSB COI "Modify synonyms" 2021-03-01 PDBE COI "Modify backbone" 2023-11-03 PDBE COI "Modify PCM" 2024-09-27 PDBE # _pdbx_chem_comp_synonyms.ordinal 1 _pdbx_chem_comp_synonyms.comp_id COI _pdbx_chem_comp_synonyms.name "alpha-ketoisocaproic acid" _pdbx_chem_comp_synonyms.provenance ? _pdbx_chem_comp_synonyms.type ? # 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 COI ? None "Non-standard residue" "Amino-acid side chain and backbone" N-terminal ? ? ? ? 2 COI HIS None "Covalent chemical modification" "Amino-acid side chain" "Any position" C2 NE2 ? ? #