7qor

Structure of beta-lactamase TEM-171

Method: X-RAY DIFFRACTION Dmax: 128.5 Å Quality: GOOD

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

Beta-lactamase TEM

Escherichia coli

UniProt P62593

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 AAA; UniProt 24–286 Mutation:V84I EDO 1,2-ETHANEDIOL × 1 TRS 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;277 K;PEG-4000, 0.2 M calcium acetate, 0.1 M Tris-HCl, pH 7.5 Resolution 2.00 Å R-free 0.211
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain BBB; UniProt 24–286 Mutation:V84I No other associated polymer X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;277 K;PEG-4000, 0.2 M calcium acetate, 0.1 M Tris-HCl, pH 7.5 Resolution 2.00 Å R-free 0.211
3 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain CCC; UniProt 24–286 Mutation:V84I EDO 1,2-ETHANEDIOL × 2 ACT ACETATE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;277 K;PEG-4000, 0.2 M calcium acetate, 0.1 M Tris-HCl, pH 7.5 Resolution 2.00 Å R-free 0.211
4 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain DDD; UniProt 24–286 Mutation:V84I ACT ACETATE ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;277 K;PEG-4000, 0.2 M calcium acetate, 0.1 M Tris-HCl, pH 7.5 Resolution 2.00 Å R-free 0.211
5 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain EEE; UniProt 24–286 Mutation:V84I No other associated polymer X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;277 K;PEG-4000, 0.2 M calcium acetate, 0.1 M Tris-HCl, pH 7.5 Resolution 2.00 Å R-free 0.211
6 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain FFF; UniProt 24–286 Mutation:V84I No other associated polymer X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;277 K;PEG-4000, 0.2 M calcium acetate, 0.1 M Tris-HCl, pH 7.5 Resolution 2.00 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.

72 other PDB entries and 150 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name BLAT_ECOLX
Isoform
PDB entities 1
Chains and sequence ranges Author chain AAA; PDBConstruct 1–263; UniProt 24–286 Author chain BBB; PDBConstruct 1–263; UniProt 24–286 Author chain CCC; PDBConstruct 1–263; UniProt 24–286 Author chain DDD; PDBConstruct 1–263; UniProt 24–286 Author chain EEE; PDBConstruct 1–263; UniProt 24–286 Author chain FFF; PDBConstruct 1–263; UniProt 24–286

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 7qor

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 7qor
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2. Structure Basics 2. Structure Basics

Entry ID entry_id7qor
Deposition date deposition_date2021-12-28
Structure title titleStructure of beta-lactamase TEM-171
Keywords keywordsBETA-LACTAMASE, HYDROLASE; HYDROLASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier41.44
Radius of gyration Rg (electron density) rg_electron40.77
Forward intensity I(0) i0469689000.00
Molecular weight molecular_weight173970.0 kDa
Excluded volume excluded_volume216810 ų
Envelope volume envelope_volume292740 ų
Hydration-shell volume shell_volume60637 ų
Envelope diameter envelope_diameter141.4
Shell Rg shell_rg45.90
Envelope Rg envelope_rg39.53
Shape Rg shape_rg40.78
Total Rg total_rg41.01
Total atoms total_atoms12200
Residues n_residues1578
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 dmax128.5
Rg (real space) rg_real41.29
Rg uncertainty (real space) rg_real_error0.81
I(0) (real space) i0_real4.6970e+08
I(0) uncertainty (real space) i0_real_error7.1060e+06
Rg (reciprocal space) rg_reciprocal41.44
I(0) (reciprocal space) i0_reciprocal469800000.0000
Solution quality estimate total_estimate0.8769
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary54.1
Skewness Skewness skewness0.160
Kurtosis Kurtosis kurtosis-0.342
Angular range angular_range— – 0.1900 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha33130000.0000
Real-space data points n_real_points39
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.876; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.986; Smooth: 0.783

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

8. Citations (1)

9. Files and Curves (10)