6sgv

Crystal structure of AcAChBP in complex with hosieine

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

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 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 × 3 LDQ Hosieine × 5 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 4.5;298 K;reservoir solution: 0.2 M CaCl2, 0.1M NaOAc pH 4.5, 16% isopropanol Protein buffer: 50 mM tris pH 7.5, 250 mM NaCl, 4 mg/ml mixed in 1ul protein : 2 ul reservoir Resolution 2.60 Å R-free 0.257
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 LDQ Hosieine × 5 ACT ACETATE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 4.5;298 K;reservoir solution: 0.2 M CaCl2, 0.1M NaOAc pH 4.5, 16% isopropanol Protein buffer: 50 mM tris pH 7.5, 250 mM NaCl, 4 mg/ml mixed in 1ul protein : 2 ul reservoir Resolution 2.60 Å R-free 0.257

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 6sgv

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id6sgv
Deposition date deposition_date2019-08-05
Structure title titleCrystal structure of AcAChBP in complex with hosieine
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_guinier43.42
Radius of gyration Rg (electron density) rg_electron42.70
Forward intensity I(0) i0823874000.00
Molecular weight molecular_weight235720.0 kDa
Excluded volume excluded_volume294420 ų
Envelope volume envelope_volume398090 ų
Hydration-shell volume shell_volume78006 ų
Envelope diameter envelope_diameter143.8
Shell Rg shell_rg48.16
Envelope Rg envelope_rg40.86
Shape Rg shape_rg42.66
Total Rg total_rg43.07
Total atoms total_atoms16597
Residues n_residues2051
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_real43.34
Rg uncertainty (real space) rg_real_error1.02
I(0) (real space) i0_real8.2390e+08
I(0) uncertainty (real space) i0_real_error1.3680e+07
Rg (reciprocal space) rg_reciprocal43.42
I(0) (reciprocal space) i0_reciprocal823900000.0000
Solution quality estimate total_estimate0.8049
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary51.3
Skewness Skewness skewness0.298
Kurtosis Kurtosis kurtosis-0.406
Angular range angular_range— – 0.1800 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha72470000.0000
Real-space data points n_real_points37
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.822; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.995; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

7. Fold Classification (SCOP + CATH) 10 domains

SCOP 2.08 (10 domains)

Domain ID domain_idd6sgva_
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_idd6sgvb_
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_idd6sgvc_
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_idd6sgvd_
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_idd6sgve_
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_idd6sgvf_
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_idd6sgvg_
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_idd6sgvh_
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_idd6sgvi_
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_idd6sgvj_
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)