2uz6

AChBP-targeted a-conotoxin correlates distinct binding orientations with nAChR subtype selectivity.

Method: X-RAY DIFFRACTION Dmax: 162.6 Å Quality: GOOD

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

SOLUBLE ACETYLCHOLINE RECEPTOR

OrganismNot specified

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 heterocomplex Heteromer Protein × 10 PDB declaration: decameric(10) Consistent with protein copy count Chain A; UniProt 20–236 Chain B; UniProt 20–236 Chain C; UniProt 20–236 Chain D; UniProt 20–236 Chain E; UniProt 20–236 Fragment:RESIDUES 20-236 ALPHA-CONOTOXIN TXIA(A10L) × 5 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 GOL GLYCEROL × 1 X-RAY DIFFRACTION mmCIF provides none of the parsed experimental conditions Resolution 2.40 Å R-free 0.252
2 Protein heterocomplex Heteromer Protein × 10 PDB declaration: decameric(10) Consistent with protein copy count Chain F; UniProt 20–236 Chain G; UniProt 20–236 Chain H; UniProt 20–236 Chain I; UniProt 20–236 Chain J; UniProt 20–236 Fragment:RESIDUES 20-236 ALPHA-CONOTOXIN TXIA(A10L) × 5 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 GOL GLYCEROL × 1 X-RAY DIFFRACTION mmCIF provides none of the parsed experimental conditions Resolution 2.40 Å R-free 0.252

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 1–217; UniProt 20–236 Author chain B; PDBConstruct 1–217; UniProt 20–236 Author chain C; PDBConstruct 1–217; UniProt 20–236 Author chain D; PDBConstruct 1–217; UniProt 20–236 Author chain E; PDBConstruct 1–217; UniProt 20–236 Author chain F; PDBConstruct 1–217; UniProt 20–236 Author chain G; PDBConstruct 1–217; UniProt 20–236 Author chain H; PDBConstruct 1–217; UniProt 20–236 Author chain I; PDBConstruct 1–217; UniProt 20–236 Author chain J; PDBConstruct 1–217; UniProt 20–236

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 2uz6

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 2uz6
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2. Structure Basics 2. Structure Basics

Entry ID entry_id2uz6
Deposition date deposition_date2007-04-25
Structure title titleAChBP-targeted a-conotoxin correlates distinct binding orientations with nAChR subtype selectivity.
Keywords keywordsRECEPTOR-TOXIN COMPLEX; RECEPTOR/TOXIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier48.51
Radius of gyration Rg (electron density) rg_electron48.36
Forward intensity I(0) i0937902000.00
Molecular weight molecular_weight250080.0 kDa
Excluded volume excluded_volume310810 ų
Envelope volume envelope_volume429000 ų
Hydration-shell volume shell_volume75120 ų
Envelope diameter envelope_diameter164.3
Shell Rg shell_rg50.84
Envelope Rg envelope_rg47.43
Shape Rg shape_rg48.33
Total Rg total_rg48.52
Total atoms total_atoms17550
Residues n_residues2210
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 dmax162.6
Rg (real space) rg_real48.80
Rg uncertainty (real space) rg_real_error1.95
I(0) (real space) i0_real9.3790e+08
I(0) uncertainty (real space) i0_real_error2.0580e+07
Rg (reciprocal space) rg_reciprocal48.51
I(0) (reciprocal space) i0_reciprocal937500000.0000
Solution quality estimate total_estimate0.8284
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary50.8
Skewness Skewness skewness0.448
Kurtosis Kurtosis kurtosis-0.535
Angular range angular_range— – 0.1600 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha134400000.0000
Real-space data points n_real_points33
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.702; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.979; Smooth: 0.681

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

7. Fold Classification (SCOP + CATH) 10 domains

CATH v4.4 (10 domains)

Domain ID domain_id2uz6A00
Class class2 — Mainly Beta
Architecture architecture70 — Distorted Sandwich
Topology topology170 — Acetylcholine Binding Protein; Chain: A,
Homologous superfamily homologous superfamily10 — Neurotransmitter-gated ion-channel ligand-binding domain
Domain ID domain_id2uz6B00
Class class2 — Mainly Beta
Architecture architecture70 — Distorted Sandwich
Topology topology170 — Acetylcholine Binding Protein; Chain: A,
Homologous superfamily homologous superfamily10 — Neurotransmitter-gated ion-channel ligand-binding domain
Domain ID domain_id2uz6C00
Class class2 — Mainly Beta
Architecture architecture70 — Distorted Sandwich
Topology topology170 — Acetylcholine Binding Protein; Chain: A,
Homologous superfamily homologous superfamily10 — Neurotransmitter-gated ion-channel ligand-binding domain
Domain ID domain_id2uz6D00
Class class2 — Mainly Beta
Architecture architecture70 — Distorted Sandwich
Topology topology170 — Acetylcholine Binding Protein; Chain: A,
Homologous superfamily homologous superfamily10 — Neurotransmitter-gated ion-channel ligand-binding domain
Domain ID domain_id2uz6E00
Class class2 — Mainly Beta
Architecture architecture70 — Distorted Sandwich
Topology topology170 — Acetylcholine Binding Protein; Chain: A,
Homologous superfamily homologous superfamily10 — Neurotransmitter-gated ion-channel ligand-binding domain
Domain ID domain_id2uz6F00
Class class2 — Mainly Beta
Architecture architecture70 — Distorted Sandwich
Topology topology170 — Acetylcholine Binding Protein; Chain: A,
Homologous superfamily homologous superfamily10 — Neurotransmitter-gated ion-channel ligand-binding domain
Domain ID domain_id2uz6G00
Class class2 — Mainly Beta
Architecture architecture70 — Distorted Sandwich
Topology topology170 — Acetylcholine Binding Protein; Chain: A,
Homologous superfamily homologous superfamily10 — Neurotransmitter-gated ion-channel ligand-binding domain
Domain ID domain_id2uz6H00
Class class2 — Mainly Beta
Architecture architecture70 — Distorted Sandwich
Topology topology170 — Acetylcholine Binding Protein; Chain: A,
Homologous superfamily homologous superfamily10 — Neurotransmitter-gated ion-channel ligand-binding domain
Domain ID domain_id2uz6I00
Class class2 — Mainly Beta
Architecture architecture70 — Distorted Sandwich
Topology topology170 — Acetylcholine Binding Protein; Chain: A,
Homologous superfamily homologous superfamily10 — Neurotransmitter-gated ion-channel ligand-binding domain
Domain ID domain_id2uz6J00
Class class2 — Mainly Beta
Architecture architecture70 — Distorted Sandwich
Topology topology170 — Acetylcholine Binding Protein; Chain: A,
Homologous superfamily homologous superfamily10 — Neurotransmitter-gated ion-channel ligand-binding domain

8. Citations (1)

9. Files and Curves (10)