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Protein Structures and Oligomeric States

Enter a protein name, UniProt accession or PDB ID. Name searches ask you to confirm the protein identity before related structures are queried.

Current Protein Identity：P0A6R0 New Search
19PDB entries
20Biological assembly
30chain/assembly records
Main Difference Dimensions in This Set
Different mutation/modification Different assembly state Different ligand/ion Different experimental conditions Different structure-quality metrics

Difference tags compare only the current result set; every original PDB and assembly record remains separate.

Related-Structure Differences

Each row represents one biological assembly in one PDB entry; multiple monomers of the same protein are listed separately.

PDB Entry Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Experimental Method Experimental Conditions Structure Quality
1EBL THE 1.8 A CRYSTAL STRUCTURE AND ACTIVE SITE ARCHITECTURE OF BETA-KETOACYL-[ACYL CARRIER PROTEIN] SYNTHASE III (FABH) FROM ESCHERICHIA COLI Deposited 2000-01-24 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–317（317 aa）
Chain B 1–317（317 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) Non-standard monomer：Yes (specific site not provided by mmCIF) COA COENZYME A × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；298 K；1.8-2.0 M ammonium sulphate, 2% PEG 400, 0.1M HEPES, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 298.0K
Resolution 1.80 Å R-free 0.225
1HN9 CRYSTAL STRUCTURE OF BETA-KETOACYL-ACP SYNTHASE III Deposited 2000-12-07 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–317（317 aa）
Chain B 1–317（317 aa）
Not recorded PO4 PHOSPHATE ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；298 K；PEK4000, pH 7, VAPOR DIFFUSION, SITTING DROP, temperature 298K
Resolution 2.00 Å R-free 0.218
1HND CRYSTAL STRUCTURE OF BETA-KETOACYL-ACP SYNTHASE III-COA COMPLEX Deposited 2000-12-07 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–317（317 aa）
Not recorded COA COENZYME A × 2 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 1.60 Å R-free 0.257
1HNH CRYSTAL STRUCTURE OF BETA-KETOACYL-ACP SYNTHASE III + DEGRADED FORM OF ACETYL-COA Deposited 2000-12-07 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–317（317 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) COA COENZYME A × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；298 K；PEK4000, pH 7, VAPOR DIFFUSION, SITTING DROP, temperature 298K
Resolution 1.90 Å R-free 0.274
1HNJ CRYSTAL STRUCTURE OF BETA-KETOACYL-ACP SYNTHASE III + MALONYL-COA Deposited 2000-12-07 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–317（317 aa）
Not recorded PO4 PHOSPHATE ION × 2 MLC MALONYL-COENZYME A × 2 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 1.46 Å R-free 0.193
1HNK CRYSTAL STRUCTURE OF BETA-KETOACYL-ACP SYNTHASE III, APO TETRAGONAL FORM Deposited 2000-12-07 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–317（317 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 1.90 Å R-free 0.240
1MZS CRYSTAL STRUCTURE OF BETA-KETOACYL-ACP SYNTHASE III WITH BOUND dichlorobenzyloxy-indole-carboxylic acid inhibitor Deposited 2002-10-09 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–317（317 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) PO4 PHOSPHATE ION × 1 669 1-(5-CARBOXYPENTYL)-5-(2,6-DICHLOROBENZYLOXY)-1H-INDOLE-2-CARBOXYLIC ACID × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；278 K；20% PEG 8000, pH 7.0, VAPOR DIFFUSION, SITTING DROP, temperature 278K
Resolution 2.10 Å R-free 0.230
1MZS CRYSTAL STRUCTURE OF BETA-KETOACYL-ACP SYNTHASE III WITH BOUND dichlorobenzyloxy-indole-carboxylic acid inhibitor Deposited 2002-10-09 Assembly 2 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–317（317 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) PO4 PHOSPHATE ION × 2 669 1-(5-CARBOXYPENTYL)-5-(2,6-DICHLOROBENZYLOXY)-1H-INDOLE-2-CARBOXYLIC ACID × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；278 K；20% PEG 8000, pH 7.0, VAPOR DIFFUSION, SITTING DROP, temperature 278K
Resolution 2.10 Å R-free 0.230
2EFT Methanethiol-CYS 112 inhibition complex of E. coli ketoacyl synthase III (FABH) and Coenzyme A (high concentration (1.7mM) soak) Deposited 2007-02-24 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–317（317 aa）
Chain B 1–317（317 aa）
Not recorded SO4 SULFATE ION × 2 COA COENZYME A × 1 MEE METHANETHIOL × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；295 K；1.7M AMMONIUM SULFATE, 2% PEG 400, 100MM NA HEPES, pH 7.00, VAPOR DIFFUSION, HANGING DROP, temperature 295K
Resolution 2.00 Å R-free 0.246
2GYO Methanethiol-Cys 112 Inhibition Complex of E. Coli Ketoacyl Synthase III (FabH) and Coenzyme A Deposited 2006-05-09 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–317（317 aa）
Chain B 1–317（317 aa）
Not recorded COA COENZYME A × 1 MEE METHANETHIOL × 1 SO4 SULFATE ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；295 K；1.7M ammonium sulfate, 2% PEG400, 100 mM Na Hepes (pH 7.0), VAPOR DIFFUSION, HANGING DROP, temperature 295K
Resolution 2.00 Å R-free 0.268
3IL9 Structure of E. coli FabH Deposited 2009-08-06 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–317（317 aa）
Chain B 1–317（317 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) Non-standard monomer：Yes (specific site not provided by mmCIF) No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；288 K；12% PEG 3350, 5 mM calcium acetate, 0.1 M HEPES, pH 7.5, 2 mM TCEP and 1% DMSO, VAPOR DIFFUSION, HANGING DROP, temperature 288K
Resolution 1.85 Å R-free 0.213
5BNM E. coli FabH with Small Molecule Inhibitor 1 Deposited 2015-05-26 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–317（317 aa）
Chain B 1–317（317 aa）
Not recorded SO4 SULFATE ION × 1 4VK N-{[3'-(hydroxymethyl)biphenyl-4-yl]methyl}benzenesulfonamide × 1 PG4 TETRAETHYLENE GLYCOL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；298 K；14% PEG 4000, 0.1 M magnesium chloride, 0.1 M Tris
Resolution 1.70 Å R-free 0.269
5BNR E. coli Fabh with small molecule inhibitor 2 Deposited 2015-05-26 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–317（317 aa）
Not recorded 4VL 1-{5-[2-fluoro-5-(hydroxymethyl)phenyl]pyridin-2-yl}piperidine-4-carboxylic acid × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；298 K；14% PEG 4000, magnesium chloride, 0.1 M Tris
Resolution 1.89 Å R-free 0.245
5BNS E. coli Fabh with small molecule inhibitor 2 Deposited 2015-05-26 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–317（317 aa）
Chain B 1–317（317 aa）
Not recorded 4VM 1-{5-[2-fluoro-5-(hydroxymethyl)phenyl]pyridin-2-yl}-N-(quinolin-6-ylmethyl)piperidine-4-carboxamide × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；298 K；14% PEG 4000, 0.1 M magnesium chloride, 0.1 m Tris
Resolution 2.20 Å R-free 0.287
6X7R E. coli beta-ketoacyl-[acyl carrier protein] synthase III (FabH) in complex with oxa(dethia)-coenzyme A Deposited 2020-05-30 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–317（317 aa）
Not recorded UT7 oxa(dethia)-CoA × 2 MG MAGNESIUM ION × 2 DMS DIMETHYL SULFOXIDE × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；298 K；75 mM magnesium chloride, 100 mM HEPES:NaOH, pH 7.5, 23% PEG3350, 1.5% DMSO
Resolution 1.35 Å R-free 0.176
8D1U E. coli beta-ketoacyl-[acyl carrier protein] synthase III (FabH) with an acetylated cysteine and in complex with oxa(dethia)-Coenzyme A Deposited 2022-05-27 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–317（317 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) UT7 oxa(dethia)-CoA × 2 CL CHLORIDE ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；298 K；75 mM Magnesium Chloride, 20% PEG 6000, 3% PEG 400
Resolution 1.30 Å R-free 0.167
9KA2 Crystal structure of beta-ketoacyl-ACP synthase FabH from E. coli Deposited 2024-10-28 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–317（317 aa）
Chain B 1–317（317 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；293 K；0.1 M Tris Bicine, PH8.5, 10% w/v PEG 20000
Resolution 1.50 Å R-free 0.198
9KA5 Crystal structure of beta-ketoacyl-ACP synthase FabH C112Q from E. coli Deposited 2024-10-28 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–317（317 aa）
Mutation：C112Q No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；293 K；0.1 M Tris Bicine, PH8.5, 10% w/v PEG 20000
Resolution 1.42 Å R-free 0.192
9KA6 Crystal structure of beta-ketoacyl-ACP synthase FabH C112Q in complex with acyl-ACP from E. coli Deposited 2024-10-28 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 1–317（317 aa）
Chain B 1–317（317 aa）
Mutation：C112Q Mutation：C112Q 6VG ~{S}-[2-[3-[[(2~{R})-3,3-dimethyl-2-oxidanyl-4-phosphonooxy-butanoyl]amino]propanoylamino]ethyl] ethanethioate × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；293 K；1.0M sodium chloride,0.1M HEPES PH7.0
Resolution 1.47 Å R-free 0.178
9KA7 Crystal structure of beta-ketoacyl-ACP synthase FabH C112Q in complex with malonyl-ACP from E. coli Deposited 2024-10-28 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 1–317（317 aa）
Chain B 1–317（317 aa）
Mutation：C112Q Mutation：C112Q A1EE0 3-[2-[3-[[(2R)-4-bis(oxidanyl)phosphanyloxy-3,3-dimethyl-2-oxidanyl-butanoyl]amino]propanoylamino]ethylsulfanyl]-3-oxidanylidene-propanoic acid × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；293 K；1.0M sodium chloride,0.1M HEPES PH7.0
Resolution 2.30 Å R-free 0.207

This page presents structural evidence recorded in PDB/mmCIF.“No recorded non-water small molecule” does not prove that the experimental sample was ligand-free; experimental conditions belong to the PDB experiment, while ligands and copy counts are shown for each biological assembly.