8aen

Human acetylcholinesterase in complex with zinc and N,N,N-trimethyl-2-oxo-2-(2-(pyridin-2-ylmethylene)hydrazineyl)ethan-1-aminium

Method: X-RAY DIFFRACTION Dmax: 128.6 Å Quality: GOOD

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

Acetylcholinesterase

Homo sapiens

UniProt P22303

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Other combination Homooligomer Protein × 2 其他Polymer 4 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 32–574 Chain B; UniProt 32–574 Not recorded 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose × 2 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 N-acetyl-alpha-neuraminic acid-(2-3)-beta-D-galactopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 LWL N,N,N-trimethyl-2-oxo-2-(2-(pyridin-2-ylmethylene)hydrazineyl)ethan-1-aminium × 2 ZN ZINC ION × 4 SO4 SULFATE ION × 21 CL CHLORIDE ION × 36 MG MAGNESIUM ION × 12 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6.5;293 K;1.5 M LISO4, 100 MM HEPES PH7, 60 MM MGSO4 Resolution 3.01 Å R-free 0.196

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.

77 other PDB entries and 84 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name ACES_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–543; UniProt 32–574 Author chain B; PDBConstruct 1–543; UniProt 32–574

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 8aen

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id8aen
Deposition date deposition_date2022-07-13
Structure title titleHuman acetylcholinesterase in complex with zinc and N,N,N-trimethyl-2-oxo-2-(2-(pyridin-2-ylmethylene)hydrazineyl)ethan-1-aminium
Keywords keywordsInhibitor, complex, zinc, acetylcholinesterase, HYDROLASE; HYDROLASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier37.82
Radius of gyration Rg (electron density) rg_electron37.77
Forward intensity I(0) i0245907000.00
Molecular weight molecular_weight123870.0 kDa
Excluded volume excluded_volume153050 ų
Envelope volume envelope_volume190500 ų
Hydration-shell volume shell_volume43433 ų
Envelope diameter envelope_diameter138.5
Shell Rg shell_rg42.17
Envelope Rg envelope_rg37.69
Shape Rg shape_rg37.74
Total Rg total_rg38.13
Total atoms total_atoms8650
Residues n_residues1068
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 dmax128.6
Rg (real space) rg_real38.16
Rg uncertainty (real space) rg_real_error1.29
I(0) (real space) i0_real2.4590e+08
I(0) uncertainty (real space) i0_real_error4.2820e+06
Rg (reciprocal space) rg_reciprocal37.96
I(0) (reciprocal space) i0_reciprocal245900000.0000
Solution quality estimate total_estimate0.8196
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary33.7
Skewness Skewness skewness0.491
Kurtosis Kurtosis kurtosis-0.519
Angular range angular_range— – 0.2100 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha75670000.0000
Real-space data points n_real_points43
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.653; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.867; Smooth: 0.823

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (10)

7. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

Domain ID domain_id8aenA01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily1820 — Alpha/Beta hydrolase fold, catalytic domain
Domain ID domain_id8aenB01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily1820 — Alpha/Beta hydrolase fold, catalytic domain

8. Citations (1)

9. Files and Curves (10)