Beta-lactamase
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 monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count | Chain A; UniProt 23–284 | Mutation:N106A | No other associated polymer | X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;298 K;0.2 M Magnesium chloride ,0.1 M Tris pH 8 20% (w/v), PEG 6000 | Resolution 1.50 Å R-free 0.165 |
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 8DOE | Assembly / Oligomeric State | Construct | Mutations and Modifications | Ligands, Ions and Non-polymers | Method and Experimental Conditions | Structure Quality |
|---|---|---|---|---|---|---|---|
| 4UA6 CTX-M-14 Class A Beta-Lactamase Apo Crystal Structure at 0.79 Angstrom Resolution Deposited 2014-08-08 | Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein monomer Monomer;Protein × 1 PDB declaration: monomeric |
Chain A
23–284(262 aa)
|
Non-standard monomer:Yes (specific site not provided by mmCIF) | PO4 PHOSPHATE ION × 2 K POTASSIUM ION × 1 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;pH 8.3;293 K;1.0M potassium phosphate
|
Resolution 0.79 Å R-free 0.115 |
| 4UA6 CTX-M-14 Class A Beta-Lactamase Apo Crystal Structure at 0.79 Angstrom Resolution Deposited 2014-08-08 | Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 2 Protein monomer Monomer;Protein × 1 PDB declaration: monomeric |
Chain B
23–284(262 aa)
|
Non-standard monomer:Yes (specific site not provided by mmCIF) | PO4 PHOSPHATE ION × 3 K POTASSIUM ION × 1 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;pH 8.3;293 K;1.0M potassium phosphate
|
Resolution 0.79 Å R-free 0.115 |
| 4UA7 CTX-M-14 Class A Beta-Lactamase in Complex with a Non-Covalent Inhibitor at Sub-Angstrom Resolution Deposited 2014-08-08 | Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein monomer Monomer;Protein × 1 PDB declaration: monomeric |
Chain A
23–284(262 aa)
|
Non-standard monomer:Yes (specific site not provided by mmCIF) | 3GK N-[3-(2H-tetrazol-5-yl)phenyl]-6-(trifluoromethyl)-1H-benzimidazole-4-carboxamide × 2 PO4 PHOSPHATE ION × 1 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;pH 8.3;293 K;1.0M Potassium Phosphate
|
Resolution 0.89 Å R-free 0.131 |
| 4UA7 CTX-M-14 Class A Beta-Lactamase in Complex with a Non-Covalent Inhibitor at Sub-Angstrom Resolution Deposited 2014-08-08 | Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 2 Protein monomer Monomer;Protein × 1 PDB declaration: monomeric |
Chain B
23–284(262 aa)
|
Non-standard monomer:Yes (specific site not provided by mmCIF) | 3GK N-[3-(2H-tetrazol-5-yl)phenyl]-6-(trifluoromethyl)-1H-benzimidazole-4-carboxamide × 2 PO4 PHOSPHATE ION × 2 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;pH 8.3;293 K;1.0M Potassium Phosphate
|
Resolution 0.89 Å R-free 0.131 |
| 4UA9 CTX-M-14 Class A Beta-Lactamase in Complex with a Boronic Acid Acylation Transition State Analog at Sub-Angstrom Resolution Deposited 2014-08-08 | Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein monomer Monomer;Protein × 1 PDB declaration: monomeric |
Chain A
23–284(262 aa)
|
Non-standard monomer:Yes (specific site not provided by mmCIF) | CB4 PINACOL[[2-AMINO-ALPHA-(1-CARBOXY-1-METHYLETHOXYIMINO)-4-THIAZOLEACETYL]AMINO]METHANEBORONATE × 1 PO4 PHOSPHATE ION × 2 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;pH 8.3;293 K;1.0M Potassium Phosphate
|
Resolution 0.84 Å R-free 0.131 |
| 4UA9 CTX-M-14 Class A Beta-Lactamase in Complex with a Boronic Acid Acylation Transition State Analog at Sub-Angstrom Resolution Deposited 2014-08-08 | Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 2 Protein monomer Monomer;Protein × 1 PDB declaration: monomeric |
Chain B
23–284(262 aa)
|
Non-standard monomer:Yes (specific site not provided by mmCIF) | CB4 PINACOL[[2-AMINO-ALPHA-(1-CARBOXY-1-METHYLETHOXYIMINO)-4-THIAZOLEACETYL]AMINO]METHANEBORONATE × 1 PO4 PHOSPHATE ION × 3 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;pH 8.3;293 K;1.0M Potassium Phosphate
|
Resolution 0.84 Å R-free 0.131 |
| 4UAA CTX-M-14 Class A Beta-Lactamase in Complex with a Non-Covalent Inhibitor at Sub-Angstrom Resolution Deposited 2014-08-08 | Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein monomer Monomer;Protein × 1 PDB declaration: monomeric |
Chain A
23–284(262 aa)
|
Non-standard monomer:Yes (specific site not provided by mmCIF) | 3GK N-[3-(2H-tetrazol-5-yl)phenyl]-6-(trifluoromethyl)-1H-benzimidazole-4-carboxamide × 2 PO4 PHOSPHATE ION × 1 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;293 K;1.0M Potassium Phosphate
|
Resolution 0.86 Å R-free 0.134 |
| 4UAA CTX-M-14 Class A Beta-Lactamase in Complex with a Non-Covalent Inhibitor at Sub-Angstrom Resolution Deposited 2014-08-08 | Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 2 Protein monomer Monomer;Protein × 1 PDB declaration: monomeric |
Chain B
23–284(262 aa)
|
Non-standard monomer:Yes (specific site not provided by mmCIF) | 3GK N-[3-(2H-tetrazol-5-yl)phenyl]-6-(trifluoromethyl)-1H-benzimidazole-4-carboxamide × 2 PO4 PHOSPHATE ION × 3 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;293 K;1.0M Potassium Phosphate
|
Resolution 0.86 Å R-free 0.134 |
| 5TOP Atomic Resolution X-Ray Crystal Structure of a Ruthenocene Conjugated Beta-Lactam Antibiotic in Complex with CTX-M-14 S70G Beta-Lactamase Deposited 2016-10-18 | Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein monomer Monomer;Protein × 1 PDB declaration: monomeric |
Chain A
22–284(263 aa)
|
Mutation:S70G Non-standard monomer:Yes (specific site not provided by mmCIF) | K POTASSIUM ION × 1 JSE [(1,2,3,4,5-eta)-1-(4-{[carboxy(4-carboxy-5,5-dimethyl-1,3-thiazolidin-2-yl)methyl]amino}-4-oxobutanoyl)cyclopentadienyl][(1,2,3,4,5-eta)-cyclopentadienyl]ruthenium × 1 RU RUTHENIUM ION × 1 JSC [(1,2,3,4,5-eta)-1-(4-{[carboxy(4-carboxy-5,5-dimethyl-1,3-thiazolidin-2-yl)methyl]amino}-4-oxobutanoyl)cyclopentadienyl][(1,2,3,4,5-eta)-cyclopentadienyl]ruthenium × 1 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;pH 7.9;293.15 K;potassium phosphate
|
Resolution 1.18 Å R-free 0.146 |
| 5TOP Atomic Resolution X-Ray Crystal Structure of a Ruthenocene Conjugated Beta-Lactam Antibiotic in Complex with CTX-M-14 S70G Beta-Lactamase Deposited 2016-10-18 | Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 2 Protein monomer Monomer;Protein × 1 PDB declaration: monomeric |
Chain B
22–284(263 aa)
|
Mutation:S70G Non-standard monomer:Yes (specific site not provided by mmCIF) | K POTASSIUM ION × 1 JSE [(1,2,3,4,5-eta)-1-(4-{[carboxy(4-carboxy-5,5-dimethyl-1,3-thiazolidin-2-yl)methyl]amino}-4-oxobutanoyl)cyclopentadienyl][(1,2,3,4,5-eta)-cyclopentadienyl]ruthenium × 1 RU RUTHENIUM ION × 2 7G4 ruthenocene × 1 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;pH 7.9;293.15 K;potassium phosphate
|
Resolution 1.18 Å R-free 0.146 |
| 5U53 CTX-M-14 E166A with acylated ceftazidime molecule Deposited 2016-12-06 | Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein monomer Monomer;Protein × 1 PDB declaration: monomeric |
Chain A
22–284(263 aa)
Fragment:UNP residues 24-284
|
Not recorded | CAZ ACYLATED CEFTAZIDIME × 1 NO3 NITRATE ION × 2 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;293 K;0.2M ammonium nitrate, 20% (w/v) PEG 3350
|
Resolution 1.40 Å R-free 0.195 |
| 5VLE Ultrahigh Resolution X-Ray Crystal Structure of Ruthenocene Conjugated Penicilloate and Penilloate Products in Complex with CTX-M-14 E166A Beta-Lactamase Deposited 2017-04-25 | Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein monomer Monomer;Protein × 1 PDB declaration: monomeric |
Chain A
22–284(263 aa)
Fragment:UNP residues 22-284
|
Mutation:E166A Non-standard monomer:Yes (specific site not provided by mmCIF) | JSD [(1,2,3,4,5-eta)-1-(4-{[(4-carboxy-5,5-dimethyl-1,3-thiazolidin-2-yl)methyl]amino}-4-oxobutanoyl)cyclopentadienyl][(1,2,3,4,5-eta)-cyclopentadienyl]ruthenium × 2 JSC [(1,2,3,4,5-eta)-1-(4-{[carboxy(4-carboxy-5,5-dimethyl-1,3-thiazolidin-2-yl)methyl]amino}-4-oxobutanoyl)cyclopentadienyl][(1,2,3,4,5-eta)-cyclopentadienyl]ruthenium × 1 JSE [(1,2,3,4,5-eta)-1-(4-{[carboxy(4-carboxy-5,5-dimethyl-1,3-thiazolidin-2-yl)methyl]amino}-4-oxobutanoyl)cyclopentadienyl][(1,2,3,4,5-eta)-cyclopentadienyl]ruthenium × 1 K POTASSIUM ION × 1 RU RUTHENIUM ION × 1 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;pH 7.9;293.15 K;potassium phosphate
|
Resolution 0.85 Å |
| 5VLE Ultrahigh Resolution X-Ray Crystal Structure of Ruthenocene Conjugated Penicilloate and Penilloate Products in Complex with CTX-M-14 E166A Beta-Lactamase Deposited 2017-04-25 | Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 2 Protein monomer Monomer;Protein × 1 PDB declaration: monomeric |
Chain B
22–284(263 aa)
Fragment:UNP residues 22-284
|
Mutation:E166A Non-standard monomer:Yes (specific site not provided by mmCIF) | JSD [(1,2,3,4,5-eta)-1-(4-{[(4-carboxy-5,5-dimethyl-1,3-thiazolidin-2-yl)methyl]amino}-4-oxobutanoyl)cyclopentadienyl][(1,2,3,4,5-eta)-cyclopentadienyl]ruthenium × 1 JSE [(1,2,3,4,5-eta)-1-(4-{[carboxy(4-carboxy-5,5-dimethyl-1,3-thiazolidin-2-yl)methyl]amino}-4-oxobutanoyl)cyclopentadienyl][(1,2,3,4,5-eta)-cyclopentadienyl]ruthenium × 1 K POTASSIUM ION × 1 PO4 PHOSPHATE ION × 1 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;pH 7.9;293.15 K;potassium phosphate
|
Resolution 0.85 Å |
| 6MIA Crystal structure of CTX-M-14 with compound 6 Deposited 2018-09-19 | Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein monomer Monomer;Protein × 1 PDB declaration: monomeric |
Chain A
23–284(262 aa)
|
Not recorded | 1CE 3-(1H-tetrazol-5-ylmethyl)-5,6,7,8-tetrahydro[1]benzothieno[2,3-d]pyrimidin-4(3H)-one × 3 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;pH 8.3;293 K;1.0 M potassium phosphate
|
Resolution 1.40 Å R-free 0.163 |
| 6MIA Crystal structure of CTX-M-14 with compound 6 Deposited 2018-09-19 | Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 2 Protein monomer Monomer;Protein × 1 PDB declaration: monomeric |
Chain B
23–284(262 aa)
|
Not recorded | 1CE 3-(1H-tetrazol-5-ylmethyl)-5,6,7,8-tetrahydro[1]benzothieno[2,3-d]pyrimidin-4(3H)-one × 3 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;pH 8.3;293 K;1.0 M potassium phosphate
|
Resolution 1.40 Å R-free 0.163 |
| 7U70 Crystal Structure of CTX-M-14 with compound 2 Deposited 2022-03-07 | Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein monomer Monomer;Protein × 1 PDB declaration: monomeric |
Chain A
22–284(263 aa)
Fragment:UNP residues 23-284
|
Not recorded | LW0 3-fluoro-N-[(1R,3S)-3-(1H-tetrazol-5-yl)-2,3-dihydro-1H-inden-1-yl]benzamide × 1 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;pH 8.3;293 K;1.0 M potassium phosphate
|
Resolution 1.36 Å R-free 0.171 |
| 7U70 Crystal Structure of CTX-M-14 with compound 2 Deposited 2022-03-07 | Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 2 Protein monomer Monomer;Protein × 1 PDB declaration: monomeric |
Chain B
22–284(263 aa)
Fragment:UNP residues 23-284
|
Not recorded | LW0 3-fluoro-N-[(1R,3S)-3-(1H-tetrazol-5-yl)-2,3-dihydro-1H-inden-1-yl]benzamide × 1 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;pH 8.3;293 K;1.0 M potassium phosphate
|
Resolution 1.36 Å R-free 0.171 |
| 7UON CTX-M-14 Y105W mutant Deposited 2022-04-13 | Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein monomer Monomer;Protein × 1 PDB declaration: monomeric |
Chain A
22–284(263 aa)
|
Mutation:Y105W | PO4 PHOSPHATE ION × 1 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;pH 7.5;296 K;HEPES (0.1M), PEG 4,000 (25% w/v)
|
Resolution 1.35 Å R-free 0.246 |
| 8DOD Beta-lactamase CTX-M-14 S130A Deposited 2022-07-12 | Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein monomer Monomer;Protein × 1 PDB declaration: monomeric |
Chain A
22–284(263 aa)
|
Mutation:S130A Non-standard monomer:Yes (specific site not provided by mmCIF) | K POTASSIUM ION × 1 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;298 K;0.1 M Tris-HCl pH 8.5, 25% (W/V) PEG6000
|
Resolution 1.61 Å R-free 0.259 |
| 8DON Beta-lactamase CTX-M-14 T215A Deposited 2022-07-13 | Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein monomer Monomer;Protein × 1 PDB declaration: monomeric |
Chain A
23–284(262 aa)
|
Mutation:T215A | PO4 PHOSPHATE ION × 1 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;298 K;0.2 M Calcium chloride ,0.1 M HEPES pH 7, 20% (w/v) PEG 6000
|
Resolution 1.36 Å R-free 0.160 |
| 8DP4 Beta-lactamase CTX-M-14 T235A Deposited 2022-07-14 | Different construct Different mutation/modification Different experimental conditions Different structure-quality metrics | Assembly 1 Protein monomer Monomer;Protein × 1 PDB declaration: monomeric |
Chain A
22–284(263 aa)
|
Mutation:T235A 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;298 K;0.1 M SPG buffer pH 6, 25% (w/v) PEG 1500
|
Resolution 1.40 Å R-free 0.182 |
| 8DPQ Beta-lactamase CTX-M-14 N170A Deposited 2022-07-15 | Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein monomer Monomer;Protein × 1 PDB declaration: monomeric |
Chain A
23–284(262 aa)
|
Mutation:N170A | EDO 1,2-ETHANEDIOL × 2 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;298 K;0.1 M Sodium HEPES pH7.5, 25% (w/v) PEG 8000
|
Resolution 1.67 Å R-free 0.233 |
| 8SJ3 Beta-lactamase CTX-M-14 E166Y/N170G Deposited 2023-04-17 | Different construct Different mutation/modification Different experimental conditions Different structure-quality metrics | Assembly 1 Protein monomer Monomer;Protein × 1 PDB declaration: monomeric |
Chain A
22–284(263 aa)
|
Not recorded | No recorded non-water small molecule |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;pH 5;298 K;0.2 M ammonium chloride, 0.1 M sodium acetate, 20% w/v PEG 6,000
|
Resolution 1.50 Å R-free 0.198 |
| 8SJ3 Beta-lactamase CTX-M-14 E166Y/N170G Deposited 2023-04-17 | Different construct Different mutation/modification Different experimental conditions Different structure-quality metrics | Assembly 2 Protein monomer Monomer;Protein × 1 PDB declaration: monomeric |
Chain B
22–284(263 aa)
|
Not recorded | No recorded non-water small molecule |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;pH 5;298 K;0.2 M ammonium chloride, 0.1 M sodium acetate, 20% w/v PEG 6,000
|
Resolution 1.50 Å R-free 0.198 |
| 9Q0A CTX-M-14 WT in complex with BLIP E73W Deposited 2025-08-12 | Different construct Different mutation/modification Different oligomeric state Different experimental conditions Different structure-quality metrics | Assembly 1 Protein heterocomplex Heteromer;Protein × 2 PDB declaration: dimeric |
Chain A
22–284(263 aa)
Fragment:UNP residues 22-284
|
Not recorded | No recorded non-water small molecule |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;298 K;0.2 M calcium chloride, 0.1 M sodium acetate pH 5, 20% (w/v) PEG 6000
|
Resolution 1.65 Å R-free 0.211 |
16 other PDB entries and 25 assemblies. Open the comparison page and filter oligomeric states
View Construct and Data Evidence
| UniProt name | H6UQI0_ECOLX |
| Isoform | — |
| PDB entities | 1 |
| Chains and sequence ranges | Author chain A; PDBConstruct 1–262; UniProt 23–284 |