6sh0

Crystal structure of AcAChBP in complex with anatoxin

Method: X-RAY DIFFRACTION Dmax: 142.2 Å Quality: GOOD

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

Acetylcholine binding protein

Aplysia californica

UniProt Q8WSF8

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 × 5 PDB declaration: pentameric(5) Consistent with protein copy count Chain A; UniProt 1–236 Chain B; UniProt 1–236 Chain C; UniProt 1–236 Chain D; UniProt 1–236 Chain E; UniProt 1–236 Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 5 GOL GLYCEROL × 4 4P0 1-[(1R,6R)-9-azabicyclo[4.2.1]non-2-en-2-yl]ethanone × 5 ACT ACETATE ION × 3 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 4.6;298 K;Reservoir solution: 8% PEG 4K, 0.1 M NaOAc pH 4.6 Protein buffer: 50 mM tris, 250 mM NaCl, pH 7.5, 4mg/ml Resolution 2.50 Å R-free 0.289
2 Protein homooligomer Homooligomer Protein × 5 PDB declaration: pentameric(5) Consistent with protein copy count Chain F; UniProt 1–236 Chain G; UniProt 1–236 Chain H; UniProt 1–236 Chain I; UniProt 1–236 Chain J; UniProt 1–236 Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 4 GOL GLYCEROL × 1 4P0 1-[(1R,6R)-9-azabicyclo[4.2.1]non-2-en-2-yl]ethanone × 5 ACT ACETATE ION × 7 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 4.6;298 K;Reservoir solution: 8% PEG 4K, 0.1 M NaOAc pH 4.6 Protein buffer: 50 mM tris, 250 mM NaCl, pH 7.5, 4mg/ml Resolution 2.50 Å R-free 0.289

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.

85 other PDB entries and 119 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name Q8WSF8_APLCA
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–236; UniProt 1–236 Author chain B; PDBConstruct 1–236; UniProt 1–236 Author chain C; PDBConstruct 1–236; UniProt 1–236 Author chain D; PDBConstruct 1–236; UniProt 1–236 Author chain E; PDBConstruct 1–236; UniProt 1–236 Author chain F; PDBConstruct 1–236; UniProt 1–236 Author chain G; PDBConstruct 1–236; UniProt 1–236 Author chain H; PDBConstruct 1–236; UniProt 1–236 Author chain I; PDBConstruct 1–236; UniProt 1–236 Author chain J; PDBConstruct 1–236; UniProt 1–236

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 6sh0

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 6sh0
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2. Structure Basics 2. Structure Basics

Entry ID entry_id6sh0
Deposition date deposition_date2019-08-05
Structure title titleCrystal structure of AcAChBP in complex with anatoxin
Keywords keywordstoxin, acetylcholine binding protein, SIGNALING PROTEIN; SIGNALING PROTEIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier43.60
Radius of gyration Rg (electron density) rg_electron42.87
Forward intensity I(0) i0844762000.00
Molecular weight molecular_weight238080.0 kDa
Excluded volume excluded_volume297140 ų
Envelope volume envelope_volume406020 ų
Hydration-shell volume shell_volume78966 ų
Envelope diameter envelope_diameter145.3
Shell Rg shell_rg48.39
Envelope Rg envelope_rg41.20
Shape Rg shape_rg42.84
Total Rg total_rg43.23
Total atoms total_atoms16755
Residues n_residues2059
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 dmax142.2
Rg (real space) rg_real43.52
Rg uncertainty (real space) rg_real_error1.22
I(0) (real space) i0_real8.4480e+08
I(0) uncertainty (real space) i0_real_error1.5270e+07
Rg (reciprocal space) rg_reciprocal43.60
I(0) (reciprocal space) i0_reciprocal844800000.0000
Solution quality estimate total_estimate0.8736
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary51.4
Skewness Skewness skewness0.303
Kurtosis Kurtosis kurtosis-0.391
Angular range angular_range— – 0.1800 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha72920000.0000
Real-space data points n_real_points37
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.829; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.994; Smooth: 0.873

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

7. Fold Classification (SCOP + CATH) 10 domains

SCOP 2.08 (10 domains)

Domain ID domain_idd6sh0a_
Class classb — All beta proteins
Fold Fold foldb.96 — Nicotinic receptor ligand binding domain-like
Superfamily Superfamily superfamilyb.96.1 — Nicotinic receptor ligand binding domain-like
Family Family familyb.96.1.0 — automated matches
Domain ID domain_idd6sh0b_
Class classb — All beta proteins
Fold Fold foldb.96 — Nicotinic receptor ligand binding domain-like
Superfamily Superfamily superfamilyb.96.1 — Nicotinic receptor ligand binding domain-like
Family Family familyb.96.1.0 — automated matches
Domain ID domain_idd6sh0c_
Class classb — All beta proteins
Fold Fold foldb.96 — Nicotinic receptor ligand binding domain-like
Superfamily Superfamily superfamilyb.96.1 — Nicotinic receptor ligand binding domain-like
Family Family familyb.96.1.0 — automated matches
Domain ID domain_idd6sh0d_
Class classb — All beta proteins
Fold Fold foldb.96 — Nicotinic receptor ligand binding domain-like
Superfamily Superfamily superfamilyb.96.1 — Nicotinic receptor ligand binding domain-like
Family Family familyb.96.1.0 — automated matches
Domain ID domain_idd6sh0e_
Class classb — All beta proteins
Fold Fold foldb.96 — Nicotinic receptor ligand binding domain-like
Superfamily Superfamily superfamilyb.96.1 — Nicotinic receptor ligand binding domain-like
Family Family familyb.96.1.0 — automated matches
Domain ID domain_idd6sh0f_
Class classb — All beta proteins
Fold Fold foldb.96 — Nicotinic receptor ligand binding domain-like
Superfamily Superfamily superfamilyb.96.1 — Nicotinic receptor ligand binding domain-like
Family Family familyb.96.1.0 — automated matches
Domain ID domain_idd6sh0g_
Class classb — All beta proteins
Fold Fold foldb.96 — Nicotinic receptor ligand binding domain-like
Superfamily Superfamily superfamilyb.96.1 — Nicotinic receptor ligand binding domain-like
Family Family familyb.96.1.0 — automated matches
Domain ID domain_idd6sh0h_
Class classb — All beta proteins
Fold Fold foldb.96 — Nicotinic receptor ligand binding domain-like
Superfamily Superfamily superfamilyb.96.1 — Nicotinic receptor ligand binding domain-like
Family Family familyb.96.1.0 — automated matches
Domain ID domain_idd6sh0i_
Class classb — All beta proteins
Fold Fold foldb.96 — Nicotinic receptor ligand binding domain-like
Superfamily Superfamily superfamilyb.96.1 — Nicotinic receptor ligand binding domain-like
Family Family familyb.96.1.0 — automated matches
Domain ID domain_idd6sh0j_
Class classb — All beta proteins
Fold Fold foldb.96 — Nicotinic receptor ligand binding domain-like
Superfamily Superfamily superfamilyb.96.1 — Nicotinic receptor ligand binding domain-like
Family Family familyb.96.1.0 — automated matches

8. Citations (1)

9. Files and Curves (10)