1esu

S235A MUTANT OF TEM1 BETA-LACTAMASE

Method: X-RAY DIFFRACTION Dmax: 59.0 Å Quality: REASONABLE

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

BETA-LACTAMASE

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 A; UniProt 24–286 Mutation:S235A SO4 SULFATE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7;292 K;Imidazole 0.1M pH7.0, ammonium sulfate 43 to 48%, VAPOR DIFFUSION, HANGING DROP, temperature 292K Resolution 2.00 Å

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 155 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name BLAT_ECOLI
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–261; 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 1esu

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1esu
Download Download

2. Structure Basics 2. Structure Basics

Entry ID entry_id1esu
Deposition date deposition_date2000-04-11
Structure title titleS235A MUTANT OF TEM1 BETA-LACTAMASE
Keywords keywordsSERINE BETA-LACTAMASE, HYDROLASE, ANTIBIOTIC RESISTANCE; HYDROLASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier18.84
Radius of gyration Rg (electron density) rg_electron17.60
Forward intensity I(0) i015382200.00
Molecular weight molecular_weight28980.0 kDa
Excluded volume excluded_volume36056 ų
Envelope volume envelope_volume40014 ų
Hydration-shell volume shell_volume18780 ų
Envelope diameter envelope_diameter61.2
Shell Rg shell_rg24.13
Envelope Rg envelope_rg17.89
Shape Rg shape_rg17.64
Total Rg total_rg18.42
Total atoms total_atoms2031
Residues n_residues263
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 dmax59.0
Rg (real space) rg_real18.73
Rg uncertainty (real space) rg_real_error0.27
I(0) (real space) i0_real1.5380e+07
I(0) uncertainty (real space) i0_real_error1.7570e+05
Rg (reciprocal space) rg_reciprocal18.74
I(0) (reciprocal space) i0_reciprocal15380000.0000
Solution quality estimate total_estimate0.6994
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary23.8
Skewness Skewness skewness0.172
Kurtosis Kurtosis kurtosis-0.372
Angular range angular_range— – 0.4200 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha3058000.0000
Real-space data points n_real_points73
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.892; Stabil: 1.000; Sysdev: 0.145; Positv: 1.000; Valcen: 0.991; Smooth: 0.985

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd1esua_
Class classe — Multi-domain proteins (alpha and beta)
Fold Fold folde.3 — beta-lactamase/transpeptidase-like
Superfamily Superfamily superfamilye.3.1 — beta-lactamase/transpeptidase-like
Family Family familye.3.1.1 — beta-Lactamase/D-ala carboxypeptidase

CATH v4.4 (1 domains)

Domain ID domain_id1esuA00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology710 — Beta-lactamase
Homologous superfamily homologous superfamily10 — DD-peptidase/beta-lactamase superfamily

8. Citations (1)

9. Files and Curves (10)