1b41

HUMAN ACETYLCHOLINESTERASE COMPLEXED WITH FASCICULIN-II, GLYCOSYLATED PROTEIN

Method: X-RAY DIFFRACTION Dmax: 75.1 Å Quality: EXCELLENT

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 Heteromer Protein × 4 其他Polymer 2 PDB declaration: tetrameric(4) Consistent with protein copy count Chain A; UniProt 36–574 Fragment:SINGLE DOMAIN Mutation:YES FASCICULIN-2 × 2 (P01403) 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose × 2 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 X-RAY DIFFRACTION X-ray crystallization conditions:pH 7.2;pH 7.20 Resolution 2.76 Å R-free 0.265

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 1–539; UniProt 36–574

FASCICULIN-2

OrganismNot specified

UniProt P01403

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 Heteromer Protein × 4 其他Polymer 2 PDB declaration: tetrameric(4) Consistent with protein copy count Chain B; UniProt 1–61 Fragment:SINGLE DOMAIN Mutation:YES ACETYLCHOLINESTERASE × 2 (P22303) 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose × 2 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 X-RAY DIFFRACTION X-ray crystallization conditions:pH 7.2;pH 7.20 Resolution 2.76 Å R-free 0.265

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.

6 other PDB entries and 8 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name TXF7_DENAN
Isoform
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 1–61; UniProt 1–61

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 1b41

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1b41
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2. Structure Basics 2. Structure Basics

Entry ID entry_id1b41
Deposition date deposition_date1999-01-05
Structure title titleHUMAN ACETYLCHOLINESTERASE COMPLEXED WITH FASCICULIN-II, GLYCOSYLATED PROTEIN
Keywords keywordsSERINE ESTERASE, HUMAN-ACETYLCHOLINESTERASE, HYDROLASE, SNAKE TOXIN, HYDROLASE-TOXIN COMPLEX; HYDROLASE/TOXIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier24.83
Radius of gyration Rg (electron density) rg_electron23.46
Forward intensity I(0) i070255500.00
Molecular weight molecular_weight65657.0 kDa
Excluded volume excluded_volume82135 ų
Envelope volume envelope_volume93767 ų
Hydration-shell volume shell_volume32093 ų
Envelope diameter envelope_diameter78.3
Shell Rg shell_rg31.81
Envelope Rg envelope_rg23.65
Shape Rg shape_rg23.40
Total Rg total_rg24.54
Total atoms total_atoms4633
Residues n_residues592
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 dmax75.1
Rg (real space) rg_real24.63
Rg uncertainty (real space) rg_real_error0.40
I(0) (real space) i0_real7.0260e+07
I(0) uncertainty (real space) i0_real_error8.9050e+05
Rg (reciprocal space) rg_reciprocal24.68
I(0) (reciprocal space) i0_reciprocal70260000.0000
Solution quality estimate total_estimate0.9060
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary32.2
Skewness Skewness skewness0.106
Kurtosis Kurtosis kurtosis-0.484
Angular range angular_range— – 0.3200 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha14130000.0000
Real-space data points n_real_points64
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.931; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.983; Smooth: 0.998

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_idd1b41a_
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_idd1b41b_
Class classg — Small proteins
Fold Fold foldg.7 — Snake toxin-like
Superfamily Superfamily superfamilyg.7.1 — Snake toxin-like
Family Family familyg.7.1.1 — Snake venom toxins

CATH v4.4 (2 domains)

Domain ID domain_id1b41A00
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_id1b41B00
Class class2 — Mainly Beta
Architecture architecture10 — Ribbon
Topology topology60 — CD59
Homologous superfamily homologous superfamily10 — CD59

8. Citations (2)

9. Files and Curves (10)