2ha4

Crystal structure of mutant S203A of mouse acetylcholinesterase complexed with acetylcholine

Method: X-RAY DIFFRACTION Dmax: 134.5 Å Quality: GOOD

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

Acetylcholinesterase

Mus musculus

UniProt P21836

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 32–574 Chain B; UniProt 32–574 Fragment:catalytic domain Mutation:S203A ACT ACETATE ION × 2 ACH ACETYLCHOLINE × 4 P6G HEXAETHYLENE GLYCOL × 1 X-RAY DIFFRACTION mmCIF provides none of the parsed experimental conditions Resolution 2.56 Å R-free 0.224

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.

97 other PDB entries and 115 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name ACES_MOUSE
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 2ha4

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 2ha4
Download Download

2. Structure Basics 2. Structure Basics

Entry ID entry_id2ha4
Deposition date deposition_date2006-06-12
Structure title titleCrystal structure of mutant S203A of mouse acetylcholinesterase complexed with acetylcholine
Keywords keywordsHYDROLASE FOLD, SERINE ESTERASE, ACETYLCHOLINESTERASE, MUTANT, HOMODIMER, GLYCOSYLATED PROTEIN, Hydrolase; HYDROLASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier38.16
Radius of gyration Rg (electron density) rg_electron38.01
Forward intensity I(0) i0207126000.00
Molecular weight molecular_weight119080.0 kDa
Excluded volume excluded_volume149730 ų
Envelope volume envelope_volume184390 ų
Hydration-shell volume shell_volume42100 ų
Envelope diameter envelope_diameter144.8
Shell Rg shell_rg41.98
Envelope Rg envelope_rg37.99
Shape Rg shape_rg37.98
Total Rg total_rg38.38
Total atoms total_atoms8424
Residues n_residues1072
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 dmax134.5
Rg (real space) rg_real38.56
Rg uncertainty (real space) rg_real_error1.45
I(0) (real space) i0_real2.0710e+08
I(0) uncertainty (real space) i0_real_error3.5830e+06
Rg (reciprocal space) rg_reciprocal38.32
I(0) (reciprocal space) i0_reciprocal207100000.0000
Solution quality estimate total_estimate0.7857
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary32.8
Skewness Skewness skewness0.506
Kurtosis Kurtosis kurtosis-0.506
Angular range angular_range— – 0.2050 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha57860000.0000
Real-space data points n_real_points42
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.547; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.721; Smooth: 0.848

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

7. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd2ha4a_
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
Domain ID domain_idd2ha4b_
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

CATH v4.4 (2 domains)

Domain ID domain_id2ha4A00
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_id2ha4B00
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)