5co5

Crystal structure of Ac-AChBP in complex with conotoxin GIC

Method: X-RAY DIFFRACTION Dmax: 88.0 Å Quality: EXCELLENT

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

Soluble acetylcholine receptor

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 heterocomplex Heteromer Protein × 10 PDB declaration: decameric(10) Consistent with protein copy count Chain A; UniProt 1–236 Chain B; UniProt 1–236 Chain D; UniProt 1–236 Chain G; UniProt 1–236 Chain I; UniProt 1–236 Not recorded Alpha-conotoxin GIC × 5 (Q86RB2) X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 8.5;291 K;1.5M lithium sulfate monohydrate, 0.1M Tris pH 8.5 Resolution 2.10 Å R-free 0.221

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 120 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 D; PDBConstruct 1–236; UniProt 1–236 Author chain G; PDBConstruct 1–236; UniProt 1–236 Author chain I; PDBConstruct 1–236; UniProt 1–236

Alpha-conotoxin GIC

OrganismNot specified

UniProt Q86RB2

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 C; UniProt 21–36 Chain E; UniProt 21–36 Chain F; UniProt 21–36 Chain H; UniProt 21–36 Chain J; UniProt 21–36 Non-standard monomer:Yes (specific site not provided by mmCIF) Soluble acetylcholine receptor × 5 (Q8WSF8) X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 8.5;291 K;1.5M lithium sulfate monohydrate, 0.1M Tris pH 8.5 Resolution 2.10 Å R-free 0.221

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.

1 other PDB entries and 1 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name CA1C_CONGE
Isoform
PDB entities 2
Chains and sequence ranges Author chain C; PDBConstruct 1–16; UniProt 21–36 Author chain E; PDBConstruct 1–16; UniProt 21–36 Author chain F; PDBConstruct 1–16; UniProt 21–36 Author chain H; PDBConstruct 1–16; UniProt 21–36 Author chain J; PDBConstruct 1–16; UniProt 21–36

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 5co5

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 5co5
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2. Structure Basics 2. Structure Basics

Entry ID entry_id5co5
Deposition date deposition_date2015-07-19
Structure title titleCrystal structure of Ac-AChBP in complex with conotoxin GIC
Keywords keywordsAChBP, GIC, METAL BINDING PROTEIN-TOXIN complex; METAL BINDING PROTEIN/TOXIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier32.28
Radius of gyration Rg (electron density) rg_electron30.59
Forward intensity I(0) i0263004000.00
Molecular weight molecular_weight125520.0 kDa
Excluded volume excluded_volume155380 ų
Envelope volume envelope_volume199190 ų
Hydration-shell volume shell_volume51369 ų
Envelope diameter envelope_diameter94.5
Shell Rg shell_rg40.06
Envelope Rg envelope_rg29.80
Shape Rg shape_rg30.57
Total Rg total_rg31.49
Total atoms total_atoms8810
Residues n_residues1115
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 dmax88.0
Rg (real space) rg_real31.91
Rg uncertainty (real space) rg_real_error0.43
I(0) (real space) i0_real2.6300e+08
I(0) uncertainty (real space) i0_real_error3.7720e+06
Rg (reciprocal space) rg_reciprocal32.07
I(0) (reciprocal space) i0_reciprocal263000000.0000
Solution quality estimate total_estimate0.9084
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary84.4
Skewness Skewness skewness-0.112
Kurtosis Kurtosis kurtosis-0.624
Angular range angular_range— – 0.2450 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha47480000.0000
Real-space data points n_real_points50
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.970; Stabil: 0.997; Sysdev: 1.000; Positv: 1.000; Valcen: 0.983; Smooth: 0.922

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 5 domains

CATH v4.4 (5 domains)

Domain ID domain_id5co5A00
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_id5co5B00
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_id5co5D00
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_id5co5G00
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_id5co5I00
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)