BETA-KETOACYL-ACP SYNTHASE III
Escherichia coli
State in the Current Structure
| Assembly | Oligomeric State | Construct | Mutations and Modifications | Ligands, Ions and Associated Components | Method and Experimental Conditions | Structure Quality |
|---|---|---|---|---|---|---|
| 1 | Protein homooligomer Homooligomer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count | Chain A; UniProt 1–317 Chain B; UniProt 1–317 | 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 |
Other States of the Same Protein in the Database
Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.
| Other PDB | Difference from Current Entry 1EBL | Assembly / Oligomeric State | Construct | Mutations and Modifications | Ligands, Ions and Non-polymers | Method and Experimental Conditions | Structure Quality |
|---|---|---|---|---|---|---|---|
| 1HN9 CRYSTAL STRUCTURE OF BETA-KETOACYL-ACP SYNTHASE III Deposited 2000-12-07 | Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein homooligomer Homooligomer;Protein × 2 PDB declaration: dimeric |
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 | Different construct Different mutation/modification Different experimental conditions Different structure-quality metrics | Assembly 1 Protein homooligomer Homooligomer;Protein × 2 PDB declaration: dimeric |
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 | Different construct Different mutation/modification Different experimental conditions Different structure-quality metrics | Assembly 1 Protein homooligomer Homooligomer;Protein × 2 PDB declaration: dimeric |
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 | Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein homooligomer Homooligomer;Protein × 2 PDB declaration: dimeric |
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 | Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein homooligomer Homooligomer;Protein × 2 PDB declaration: dimeric |
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 | Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein monomer Monomer;Protein × 1 PDB declaration: monomeric |
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 | Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 2 Protein homooligomer Homooligomer;Protein × 2 PDB declaration: dimeric |
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 | Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein homooligomer Homooligomer;Protein × 2 PDB declaration: dimeric |
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 | Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein homooligomer Homooligomer;Protein × 2 PDB declaration: dimeric |
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 | Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein homooligomer Homooligomer;Protein × 2 PDB declaration: dimeric |
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 | Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein homooligomer Homooligomer;Protein × 2 PDB declaration: dimeric |
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 | Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein homooligomer Homooligomer;Protein × 2 PDB declaration: dimeric |
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 | Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein homooligomer Homooligomer;Protein × 2 PDB declaration: dimeric |
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 | Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein homooligomer Homooligomer;Protein × 2 PDB declaration: dimeric |
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 | Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein homooligomer Homooligomer;Protein × 2 PDB declaration: dimeric |
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 | Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein homooligomer Homooligomer;Protein × 2 PDB declaration: dimeric |
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 | Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein homooligomer Homooligomer;Protein × 2 PDB declaration: dimeric |
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 | Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein heterocomplex Heteromer;Protein × 3 PDB declaration: trimeric |
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 | Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein heterocomplex Heteromer;Protein × 3 PDB declaration: trimeric |
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 |
18 other PDB entries and 19 assemblies. Open the comparison page and filter oligomeric states
View Construct and Data Evidence
| UniProt name | FABH_ECOLI |
| Isoform | — |
| PDB entities | 1 |
| Chains and sequence ranges | Author chain A; PDBConstruct 1–317; UniProt 1–317 Author chain B; PDBConstruct 1–317; UniProt 1–317 |