7b2w

Torpedo californica acetylcholinesterase complexed with UO2

Method: X-RAY DIFFRACTION Dmax: 75.9 Å Quality: GOOD

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

Acetylcholinesterase

OrganismNot specified

UniProt P04058

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 homooligomer Homooligomer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 22–558 Not recorded IUM URANYL (VI) ION × 4 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7;292 K;The use of standard vapor diffusion techniques in hanging drop with 61 percent saturated ammonium sulfate, 360 nM Na,K-phosphate buffer pH 7.0, as the precipating agent and a protein concentration of ~11 mg/ml together with UO2(NO3)2. Resolution 2.65 Å R-free 0.212

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.

124 other PDB entries and 125 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name ACES_TETCF
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–537; UniProt 22–558

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 7b2w

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 7b2w
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2. Structure Basics 2. Structure Basics

Entry ID entry_id7b2w
Deposition date deposition_date2020-11-28
Structure title titleTorpedo californica acetylcholinesterase complexed with UO2
Keywords keywords;acetylcholinesterase; ASSAM; differential scanning calorimetry; divalent metal ion; electron paramagnetic resonance; thermal inactivation; Torpedo; 4D motif, HYDROLASE, 3.1.1.7 ;; HYDROLASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier23.42
Radius of gyration Rg (electron density) rg_electron22.16
Forward intensity I(0) i058181500.00
Molecular weight molecular_weight59812.0 kDa
Excluded volume excluded_volume74573 ų
Envelope volume envelope_volume81357 ų
Hydration-shell volume shell_volume29401 ų
Envelope diameter envelope_diameter78.5
Shell Rg shell_rg30.35
Envelope Rg envelope_rg22.49
Shape Rg shape_rg22.09
Total Rg total_rg23.25
Total atoms total_atoms4193
Residues n_residues531
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 dmax75.9
Rg (real space) rg_real23.26
Rg uncertainty (real space) rg_real_error0.56
I(0) (real space) i0_real5.8180e+07
I(0) uncertainty (real space) i0_real_error8.7190e+05
Rg (reciprocal space) rg_reciprocal23.30
I(0) (reciprocal space) i0_reciprocal58180000.0000
Solution quality estimate total_estimate0.8082
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks3
Primary peak position r_peak_primary30.4
Skewness Skewness skewness0.136
Kurtosis Kurtosis kurtosis-0.425
Angular range angular_range— – 0.3400 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha14250000.0000
Real-space data points n_real_points66
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.838; Stabil: 0.998; Sysdev: 1.000; Positv: 1.000; Valcen: 0.993; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 1 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd7b2wa_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.69 — alpha/beta-Hydrolases
Superfamily Superfamily superfamilyc.69.1 — alpha/beta-Hydrolases
Family Family familyc.69.1.1 — Acetylcholinesterase-like

8. Citations (3)

9. Files and Curves (10)