SAXSdb — 9q0a

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1. Protein Identity and Related Structures Protein Identity & Related Structures

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 heterocomplex Heteromer Protein × 2 PDB declaration: dimeric（2） Consistent with protein copy count	Chain A； UniProt 22–284	Fragment：UNP residues 22-284	Beta-lactamase inhibitory protein × 1 （P35804）	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

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 9Q0A	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 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 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 construct Different mutation/modification Different oligomeric state 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 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 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 construct Different mutation/modification Different oligomeric state 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 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 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 construct Different mutation/modification Different oligomeric state 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 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 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 construct Different mutation/modification Different oligomeric state 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 oligomeric state 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 oligomeric state 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 oligomeric state 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 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 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 mutation/modification Different oligomeric state 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 construct 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 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 construct Different oligomeric state 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 oligomeric state 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 oligomeric state 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 oligomeric state 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 oligomeric state 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
8DOE Crystal Structure of CTX-M-14 N106A Deposited 2022-07-12	Different construct Different mutation/modification Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain A 23–284（262 aa）	Mutation：N106A	No recorded non-water small molecule	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
8DON Beta-lactamase CTX-M-14 T215A Deposited 2022-07-13	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 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 oligomeric state 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 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 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 oligomeric state 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 oligomeric state 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

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 1–263； UniProt 22–284

Beta-lactamase inhibitory protein

Streptomyces clavuligerus

UniProt P35804

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 heterocomplex Heteromer Protein × 2 PDB declaration: dimeric（2） Consistent with protein copy count	Chain B； UniProt 37–201	Mutation：E73W	Beta-lactamase × 1 （H6UQI0）	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

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 9Q0A	Assembly / Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Non-polymers	Method and Experimental Conditions	Structure Quality
1JTG CRYSTAL STRUCTURE OF TEM-1 BETA-LACTAMASE / BETA-LACTAMASE INHIBITOR PROTEIN COMPLEX Deposited 2001-08-20	Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain B 37–201（165 aa）	Not recorded	CA CALCIUM ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions pH 8.8；pH 8.8	Resolution 1.73 Å R-free 0.205
1JTG CRYSTAL STRUCTURE OF TEM-1 BETA-LACTAMASE / BETA-LACTAMASE INHIBITOR PROTEIN COMPLEX Deposited 2001-08-20	Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain D 37–201（165 aa）	Not recorded	CA CALCIUM ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions pH 8.8；pH 8.8	Resolution 1.73 Å R-free 0.205
1S0W 1b Lactamse/ b Lactamase Inhibitor Deposited 2004-01-05	Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain C 37–201（165 aa）	Mutation：F1142A	CA CALCIUM ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions MICROBATCH；pH 7.5；293 K；PEG 8000, Dioxane, pH 7.5, Microbatch, temperature 293K	Resolution 2.30 Å
1S0W 1b Lactamse/ b Lactamase Inhibitor Deposited 2004-01-05	Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain D 37–201（165 aa）	Mutation：F1142A	CA CALCIUM ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions MICROBATCH；pH 7.5；293 K；PEG 8000, Dioxane, pH 7.5, Microbatch, temperature 293K	Resolution 2.30 Å
1XXM The modular architecture of protein-protein binding site Deposited 2004-11-07	Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain C 37–201（165 aa）	Mutation：K74A; F142A; Y143A	CA CALCIUM ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions MICROBATCH；pH 5；298 K；LiCl; sodium Acetate; PEG 6000, pH 5., Microbatch, temperature 298K	Resolution 1.90 Å R-free 0.247
1XXM The modular architecture of protein-protein binding site Deposited 2004-11-07	Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain D 37–201（165 aa）	Mutation：K74A; F142A; Y143A	CA CALCIUM ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions MICROBATCH；pH 5；298 K；LiCl; sodium Acetate; PEG 6000, pH 5., Microbatch, temperature 298K	Resolution 1.90 Å R-free 0.247
2B5R 1B Lactamase / B Lactamase Inhibitor Deposited 2005-09-29	Different mutation/modification Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain C 37–201（165 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions pH 8.5；298 K；PEG 3350, NH4 Acetate, pH 8.5, Microbatch, temperature 298K	Resolution 1.65 Å R-free 0.222
2B5R 1B Lactamase / B Lactamase Inhibitor Deposited 2005-09-29	Different mutation/modification Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain D 37–201（165 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions pH 8.5；298 K；PEG 3350, NH4 Acetate, pH 8.5, Microbatch, temperature 298K	Resolution 1.65 Å R-free 0.222
2G2U Crystal Structure of the SHV-1 Beta-lactamase/Beta-lactamase inhibitor protein (BLIP) complex Deposited 2006-02-16	Different mutation/modification Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain B 37–201（165 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions EVAPORATION；pH 6.5；293 K；30% Ammonium SO4,25mM cacodylate, 10mM BisTris, 25mM NaCl , pH 6.5, EVAPORATION, temperature 293K	Resolution 1.60 Å R-free 0.186
2G2W Crystal Structure of the SHV D104K Beta-lactamase/Beta-lactamase inhibitor protein (BLIP) complex Deposited 2006-02-16	Different mutation/modification Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain B 37–201（165 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions EVAPORATION；pH 6.5；293 K；4% PEG 8000, 25mM cacodylate, 10 mM BisTris, 25mM NaCl, pH 6.5, EVAPORATION, temperature 293K	Resolution 1.80 Å R-free 0.222
3C4O Crystal Structure of the SHV-1 Beta-lactamase/Beta-lactamase inhibitor protein (BLIP) E73M/S130K/S146M complex Deposited 2008-01-30	Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain B 37–201（165 aa）	Mutation：E109M,S166K,S182M	SO4 SULFATE ION × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.4；292 K；37.5% Ammonium Sulfate, 100mM Tris HCl, pH 8.4, VAPOR DIFFUSION, HANGING DROP, temperature 292K	Resolution 1.70 Å R-free 0.196
3C4P Crystal Structure of the SHV-1 Beta-lactamase/Beta-lactamase inhibitor protein (BLIP) E73M complex Deposited 2008-01-30	Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain B 37–201（165 aa）	Mutation：E109M	SO4 SULFATE ION × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.4；292 K；37.5% Ammonium Sulfate, 100mM Tris HCl, pH 8.4, VAPOR DIFFUSION, HANGING DROP, temperature 292K	Resolution 1.75 Å R-free 0.207
3C7U Structural Insight into the Kinetics and Cp of interactions between TEM-1-Lactamase and BLIP Deposited 2008-02-08	Different mutation/modification Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain B 37–201（165 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 4.5；298 K；15% PEG 8000, 0.1M Phosphate-Citrate, 0.1M NaCl, pH 4.5, VAPOR DIFFUSION, SITTING DROP, temperature 298K	Resolution 2.20 Å R-free 0.232
3C7U Structural Insight into the Kinetics and Cp of interactions between TEM-1-Lactamase and BLIP Deposited 2008-02-08	Different mutation/modification Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain D 37–201（165 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 4.5；298 K；15% PEG 8000, 0.1M Phosphate-Citrate, 0.1M NaCl, pH 4.5, VAPOR DIFFUSION, SITTING DROP, temperature 298K	Resolution 2.20 Å R-free 0.232
3C7V Structural Insight into the Kinetics and Delta-Cp of interactions between TEM-1 Beta-Lactamase and BLIP Deposited 2008-02-08	Different mutation/modification Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain B 37–201（165 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 4.2；298 K；12% PEG 8000, 0.1M Phosphate-Citrate, 0.1M NaCl, pH 4.2, VAPOR DIFFUSION, SITTING DROP, temperature 298K	Resolution 2.07 Å R-free 0.238
3C7V Structural Insight into the Kinetics and Delta-Cp of interactions between TEM-1 Beta-Lactamase and BLIP Deposited 2008-02-08	Different mutation/modification Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain D 37–201（165 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 4.2；298 K；12% PEG 8000, 0.1M Phosphate-Citrate, 0.1M NaCl, pH 4.2, VAPOR DIFFUSION, SITTING DROP, temperature 298K	Resolution 2.07 Å R-free 0.238
3E2K Crystal Structure of the KPC-2 Beta-lactamase/Beta-lactamase inhibitor protein (BLIP) Deposited 2008-08-05	Different mutation/modification Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain D 37–201（165 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 4.5；290 K；20% PEG 8000, 4% ethylene glycol, 100mM citrate, pH 4.5, VAPOR DIFFUSION, HANGING DROP, temperature 290K	Resolution 2.10 Å R-free 0.234
3E2K Crystal Structure of the KPC-2 Beta-lactamase/Beta-lactamase inhibitor protein (BLIP) Deposited 2008-08-05	Different mutation/modification Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain C 37–201（165 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 4.5；290 K；20% PEG 8000, 4% ethylene glycol, 100mM citrate, pH 4.5, VAPOR DIFFUSION, HANGING DROP, temperature 290K	Resolution 2.10 Å R-free 0.234
3E2L Crystal Structure of the KPC-2 Beta-lactamase/Beta-lactamase inhibitor protein (BLIP) Deposited 2008-08-05	Different mutation/modification Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain C 37–201（165 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5；290 K；20% PEG 8000, 6% ethylene glycol, 100mM citrate, pH 5.0, VAPOR DIFFUSION, HANGING DROP, temperature 290K	Resolution 1.87 Å R-free 0.213
3E2L Crystal Structure of the KPC-2 Beta-lactamase/Beta-lactamase inhibitor protein (BLIP) Deposited 2008-08-05	Different mutation/modification Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain D 37–201（165 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5；290 K；20% PEG 8000, 6% ethylene glycol, 100mM citrate, pH 5.0, VAPOR DIFFUSION, HANGING DROP, temperature 290K	Resolution 1.87 Å R-free 0.213
3GMU Crystal Structure of Beta-Lactamse Inhibitory Protein (BLIP) in Apo Form Deposited 2009-03-15	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 B 37–201（165 aa）	Not recorded	NH4 AMMONIUM ION × 1 SO4 SULFATE ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION；pH 5.5；298 K；10 mg/ml protein, 20% saturated ammonium sulfate, 50 mM sodium citrate, pH 5.5, vapor diffusion, temperature 298K	Resolution 1.98 Å R-free 0.229
3N4I Crystal structure of the SHV-1 D104E beta-lactamase/beta-lactamase inhibitor protein (BLIP) complex Deposited 2010-05-21	Different mutation/modification Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain B 37–201（165 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.5；291 K；40% ammonium sulfate, 100mM Tris, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K	Resolution 1.56 Å R-free 0.179
7S5S CTX-M-15 WT in complex with BLIP WT Deposited 2021-09-11	Different mutation/modification Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain B 37–201（165 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；298 K；20% w/v PEG3350, 0.2 M NaF, 0.1 M Bis-Tris-propane pH 6.5	Resolution 1.40 Å R-free 0.166
9Q0B CTX-M-15 WT in complex with BLIP E73W Deposited 2025-08-12	Different construct Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain B 38–201（164 aa）	Mutation：E73W	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；298 K；0.1 M MES pH 6.5, 25% (w/v) PEG 4000	Resolution 1.58 Å R-free 0.182
9Q0C TEM-1 WT in complex with BLIP E73W Deposited 2025-08-12	Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain B 37–201（165 aa）	Mutation：E73W	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；298 K；0.1 M magnesium chloride, 0.1 M sodium acetate pH 4.6, 25% (w/v) PEG 400	Resolution 1.78 Å R-free 0.215
9Q0C TEM-1 WT in complex with BLIP E73W Deposited 2025-08-12	Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain D 37–201（165 aa）	Mutation：E73W	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；298 K；0.1 M magnesium chloride, 0.1 M sodium acetate pH 4.6, 25% (w/v) PEG 400	Resolution 1.78 Å R-free 0.215

17 other PDB entries and 26 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence

UniProt name	BLIP_STRCL
Isoform	—
PDB entities	2
Chains and sequence ranges	Author chain B； PDBConstruct 1–165； UniProt 37–201

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

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2. Structure Basics 2. Structure Basics

Entry ID entry_id	9q0a
Deposition date deposition_date	2025-08-12
Structure title title	CTX-M-14 WT in complex with BLIP E73W
Keywords keywords	Antibiotic resistance, inhibition, BLIP, beta-lactamase, PROTEIN BINDING, HYDROLASE-PROTEIN BINDING complex; HYDROLASE/PROTEIN BINDING
Experimental Method method	X-RAY DIFFRACTION

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3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

Radius of gyration Rg (Guinier) rg_guinier	22.57 Å
Radius of gyration Rg (electron density) rg_electron	21.76 Å
Forward intensity I(0) i0	36266500.00
Molecular weight molecular_weight	45556.0 kDa
Excluded volume excluded_volume	56621 Å³
Envelope volume envelope_volume	64219 Å³
Hydration-shell volume shell_volume	24528 Å³
Envelope diameter envelope_diameter	76.9 Å
Shell Rg shell_rg	28.79 Å
Envelope Rg envelope_rg	22.00 Å
Shape Rg shape_rg	21.73 Å
Total Rg total_rg	22.65 Å
Total atoms total_atoms	3204
Residues n_residues	428
Spherical-harmonic order n_harmonics	20
q range q_range	— – 0.5000 Å⁻¹
Data points n_points	101
Shell type shell_type	directional
Solvent electron density solvent_density	0.3340 e/Å³
Shell contrast contrast_shell	0.0300 e/Å³
CRYSOL version crysol_version	4.1.3

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4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

Maximum dimension Dmax dmax	73.9 Å
Rg (real space) rg_real	22.51 Å
Rg uncertainty (real space) rg_real_error	0.37 Å
I(0) (real space) i0_real	3.6270e+07
I(0) uncertainty (real space) i0_real_error	4.4460e+05
Rg (reciprocal space) rg_reciprocal	22.53 Å
I(0) (reciprocal space) i0_reciprocal	36270000.0000
Solution quality estimate total_estimate	0.6883
Solution quality rating solution_quality	REASONABLE a REASONABLE solution
P(r) peaks n_peaks	2
Primary peak position r_peak_primary	26.9 Å
Skewness Skewness skewness	0.289
Kurtosis Kurtosis kurtosis	-0.342
Angular range angular_range	— – 0.3500 Å⁻¹
Current regularization parameter α current_alpha	0.0000
Highest regularization parameter α highest_alpha	9518000.0000
Real-space data points n_real_points	67
GNOM version gnom_version	4.1.3
Quality Criteria quality_criteria	AN1: 0.000; Oscil: 0.862; Stabil: 1.000; Sysdev: 0.130; Positv: 1.000; Valcen: 1.000; Smooth: 0.969

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5. Crystallography and Experiment 5. Crystallography & Experiment

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6. Entities and Polymers Entities & Polymers (3)

Entity 1 Entity 1 polymer

Description description	Beta-lactamase
Molecular weight formula_weight	28000.5 kDa
EC 编号 ec_number	3.5.2.6
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A
Atom count atom_count	3597

QTSAVQQKLAALEKSSGGRLGVALIDTADNTQVLYRGDERFPMCSTSKVMAAAAVLKQSETQKQLLNQPVEIKPADLVNYNPIAEKHVNGTMTLAELSAAALQYSDNTAMNKLIAQLGGPGGVTAFARAIGDETFRLDRTEPTLNTAIPGDPRDTTTPRAMAQTLRQLTLGHALGETQRAQLVTWLKGNTTGAASIRAGLPTSWTVGDKTGSGDYGTTNDIAVIWPQGRAPLVLVTYFTQPQQNAESRRDVLASAARIIAEGL

来源 Source

来源生物 organism	Escherichia coli
NCBI Class编号 ncbi_taxonomy_id	562
宿主生物 host_organism	Escherichia coli BL21(DE3)

Entity 2 Entity 2 polymer

Description description	Beta-lactamase inhibitory protein
Molecular weight formula_weight	17613.6 kDa
Mutation mutation	E73W
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	B

AGVMTGAKFTQIQFGMTRQQVLDIAGAENCETGGSFGDSIHCRGHAAGDYYAYATFGFTSAAADAKVDSKSQWKLLAPSAPTLTLAKFNQVTVGMTRAQVLATVGQGSCTTWSEYYPAYPSTAGVTLSLSCFDVDGYSSTGFYRGSAHLWFTDGVLQGKRQWDLV

来源 Source

来源生物 organism	Streptomyces clavuligerus
NCBI Class编号 ncbi_taxonomy_id	1901
宿主生物 host_organism	Komagataella pastoris

Entity 3 Entity 3 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	393

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8. Citations (1)

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Unit-cell length a length_a	43.170 Å
Unit-cell length b length_b	79.890 Å
Unit-cell length c length_c	118.080 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	90.00 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	4

Space group space_group	P 2 21 21
Space-group number int_tables_number	18
Crystal system crystal_system	orthorhombic

Resolution resolution	1.650 Å
Low-resolution limit resolution_low	47.480 Å
R factor r_factor	0.1874
R_work r_work	0.1861
R_free r_free	0.2115

fit	/app/data/saxs_computation/q0/9q0a/9q0a.fit
pddf	/app/data/pr_computation/q0/9q0a/9q0a.pr.out
profile	/app/data/saxs_computation/q0/9q0a/9q0a.dat

CTX-M-14 WT in complex with BLIP E73W

1. Protein Identity and Related Structures Protein Identity & Related Structures

Beta-lactamase

State in the Current Structure

Other States of the Same Protein in the Database

Beta-lactamase inhibitory protein

State in the Current Structure

Other States of the Same Protein in the Database

SAXS scattering curve SAXS Profile

P(r) Distance Distribution P(r) Distribution

2. Structure Basics 2. Structure Basics

3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

5. Crystallography and Experiment 5. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

Diffraction experiment Diffraction

6. Entities and Polymers Entities & Polymers (3)

Entity 1 Entity 1 polymer

Polymer Polymer

来源 Source

Entity 2 Entity 2 polymer

Polymer Polymer

来源 Source

Entity 3 Entity 3 water

8. Citations (1)

9. Files and Curves (10)

Files (7)

Curves (3)