8dp4

Beta-lactamase CTX-M-14 T235A

Method: X-RAY DIFFRACTION Dmax: 61.5 Å Quality: GOOD

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

Beta-lactamase

Escherichia coli

UniProt H6UQI0

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 22–284 Mutation:T235A Non-standard monomer:Yes (specific site not provided by mmCIF) No other associated polymer 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

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.

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

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.

SAXS scattering curve SAXS Profile

SAXS profile for 8dp4

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 8dp4
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2. Structure Basics 2. Structure Basics

Entry ID entry_id8dp4
Deposition date deposition_date2022-07-14
Structure title titleBeta-lactamase CTX-M-14 T235A
Keywords keywordsBeta-lactamase, antibiotic resistance, CTX-M-14, Beta-lactam, HYDROLASE; HYDROLASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier18.59
Radius of gyration Rg (electron density) rg_electron17.53
Forward intensity I(0) i014376000.00
Molecular weight molecular_weight27895.0 kDa
Excluded volume excluded_volume34716 ų
Envelope volume envelope_volume38476 ų
Hydration-shell volume shell_volume18230 ų
Envelope diameter envelope_diameter61.5
Shell Rg shell_rg23.94
Envelope Rg envelope_rg17.90
Shape Rg shape_rg17.54
Total Rg total_rg18.43
Total atoms total_atoms1960
Residues n_residues262
Spherical-harmonic order n_harmonics20
q range q_range— – 0.5000 −1
Data points n_points101
Shell type shell_typedirectional
Solvent electron density solvent_density0.3340 e/ų
Shell contrast contrast_shell0.0300 e/ų
CRYSOL version crysol_version4.1.3

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

Maximum dimension Dmax dmax61.5
Rg (real space) rg_real18.49
Rg uncertainty (real space) rg_real_error0.35
I(0) (real space) i0_real1.4380e+07
I(0) uncertainty (real space) i0_real_error1.8480e+05
Rg (reciprocal space) rg_reciprocal18.51
I(0) (reciprocal space) i0_reciprocal14380000.0000
Solution quality estimate total_estimate0.7995
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks3
Primary peak position r_peak_primary23.6
Skewness Skewness skewness0.231
Kurtosis Kurtosis kurtosis-0.266
Angular range angular_range— – 0.4300 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha3194000.0000
Real-space data points n_real_points74
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.797; Stabil: 0.999; Sysdev: 1.000; Positv: 1.000; Valcen: 0.999; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (2)

8. Citations (1)

9. Files and Curves (10)