SAXSdb — 8don

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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 monomer Monomer Protein × 1 PDB declaration: monomeric（1） Consistent with protein copy count	Chain A； UniProt 23–284	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

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 8DON	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 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
8DOE Crystal Structure of CTX-M-14 N106A Deposited 2022-07-12	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：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
8DP4 Beta-lactamase CTX-M-14 T235A Deposited 2022-07-14	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：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 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）	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 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）	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 ligand/ion 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

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	8don
Deposition date deposition_date	2022-07-13
Structure title title	Beta-lactamase CTX-M-14 T215A
Keywords keywords	Beta-lactamase, antibiotic resistance, Beta-lactam, CTX-M-14, HYDROLASE; HYDROLASE
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	18.43 Å
Radius of gyration Rg (electron density) rg_electron	17.43 Å
Forward intensity I(0) i0	14511800.00
Molecular weight molecular_weight	27912.0 kDa
Excluded volume excluded_volume	34653 Å³
Envelope volume envelope_volume	37902 Å³
Hydration-shell volume shell_volume	18079 Å³
Envelope diameter envelope_diameter	60.9 Å
Shell Rg shell_rg	23.89 Å
Envelope Rg envelope_rg	17.78 Å
Shape Rg shape_rg	17.44 Å
Total Rg total_rg	18.31 Å
Total atoms total_atoms	3872
Residues n_residues	262
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	61.0 Å
Rg (real space) rg_real	18.74 Å
Rg uncertainty (real space) rg_real_error	0.13 Å
I(0) (real space) i0_real	1.4310e+07
I(0) uncertainty (real space) i0_real_error	1.4730e+05
Rg (reciprocal space) rg_reciprocal	18.36 Å
I(0) (reciprocal space) i0_reciprocal	14510000.0000
Solution quality estimate total_estimate	0.6766
Solution quality rating solution_quality	REASONABLE a REASONABLE solution
P(r) peaks n_peaks	1
Primary peak position r_peak_primary	22.6 Å
Skewness Skewness skewness	0.360
Kurtosis Kurtosis kurtosis	-0.023
Angular range angular_range	— – 0.4300 Å⁻¹
Current regularization parameter α current_alpha	7.1150
Highest regularization parameter α highest_alpha	3140000.0000
Real-space data points n_real_points	74
GNOM version gnom_version	4.1.3
Quality Criteria quality_criteria	AN1: 0.000; Oscil: 0.828; Stabil: 0.929; Sysdev: 0.000; Positv: 1.000; Valcen: 0.999; Smooth: 0.560

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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	27842.4 kDa
EC 编号 ec_number	3.5.2.6
Mutation mutation	T215A
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	4302

TSAVQQKLAALEKSSGGRLGVALIDTADNTQVLYRGDERFPMCSTSKVMAAAAVLKQSETQKQLLNQPVEIKPADLVNYNPIAEKHVNGTMTLAELSAAALQYSDNTAMNKLIAQLGGPGGVTAFARAIGDETFRLDRTEPTLNTAIPGDPRDTTTPRAMAQTLRQLTLGHALGETQRAQLVTWLKGNATGAASIRAGLPTSWTVGDKTGSGDYGTTNDIAVIWPQGRAPLVLVTYFTQPQQNAESRRDVLASAARIIAEGL

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-Gold(DE3)pLysS AG' ;

Entity 2 Entity 2 non-polymer

Description description	PHOSPHATE ION
Molecular weight formula_weight	95.0 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 3 Entity 3 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	430

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7. Fold Classification (SCOP + CATH) 1 domains

CATH v4.4 (1 domains)

Domain ID domain_id	8donA01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	710 — Beta-lactamase
Homologous superfamily homologous superfamily	10 — DD-peptidase/beta-lactamase superfamily

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8. Citations (1)

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Unit-cell length a length_a	41.430 Å
Unit-cell length b length_b	41.430 Å
Unit-cell length c length_c	231.260 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	90.00 °
Unit-cell angle γ angle_gamma	120.00 °
Molecules per unit cell Z z_pdb	6

Space group space_group	P 32 2 1
Space-group number int_tables_number	154
Crystal system crystal_system	—

Resolution resolution	1.360 Å
Low-resolution limit resolution_low	35.455 Å
R factor r_factor	0.1457
R_work r_work	0.1451
R_free r_free	0.1595

fit	/app/data/saxs_computation/do/8don/8don.fit
pddf	/app/data/pr_computation/do/8don/8don.pr.out
profile	/app/data/saxs_computation/do/8don/8don.dat

Beta-lactamase CTX-M-14 T215A

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

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