6t9r

Aplysia californica AChBP in complex with a cytisine derivative

Method: X-RAY DIFFRACTION Dmax: 159.4 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 AAA; UniProt 1–236 Chain BBB; UniProt 1–236 Chain CCC; UniProt 1–236 Chain DDD; UniProt 1–236 Chain EEE; UniProt 1–236 Not recorded MXQ (1~{R},9~{S})-5-(3-oxidanylpropyl)-7,11-diazatricyclo[7.3.1.0^{2,7}]trideca-2,4-dien-6-one × 5 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 5 GOL GLYCEROL × 21 PO4 PHOSPHATE ION × 5 CL CHLORIDE ION × 5 K POTASSIUM ION × 5 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7;295.15 K;Starting protein concentration 12.5 mg/ml + 6 mM ligand BS82. Crystallised as hanging drops, the drop containing 1.5 ul protein, 0.2 ul reservoir (0.8 M NaH2PO4, 0.8 M KH2PO4, 10% glycerol, 0.1 M HEPES pH 7.0) and 0.3 ul microseeds from cytisine bound AChBP crystals (grown as sitting drops in 0.8 M NaH2PO4, 0.8 M KH2PO4, 0.1 M HEPES pH 7.5). Resolution 1.72 Å R-free 0.192
2 Protein homooligomer Homooligomer Protein × 5 PDB declaration: pentameric(5) Consistent with protein copy count Chain FFF; UniProt 1–236 Chain GGG; UniProt 1–236 Chain HHH; UniProt 1–236 Chain III; UniProt 1–236 Chain JJJ; UniProt 1–236 Not recorded MXQ (1~{R},9~{S})-5-(3-oxidanylpropyl)-7,11-diazatricyclo[7.3.1.0^{2,7}]trideca-2,4-dien-6-one × 5 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 5 GOL GLYCEROL × 20 PO4 PHOSPHATE ION × 5 CL CHLORIDE ION × 5 K POTASSIUM ION × 5 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7;295.15 K;Starting protein concentration 12.5 mg/ml + 6 mM ligand BS82. Crystallised as hanging drops, the drop containing 1.5 ul protein, 0.2 ul reservoir (0.8 M NaH2PO4, 0.8 M KH2PO4, 10% glycerol, 0.1 M HEPES pH 7.0) and 0.3 ul microseeds from cytisine bound AChBP crystals (grown as sitting drops in 0.8 M NaH2PO4, 0.8 M KH2PO4, 0.1 M HEPES pH 7.5). Resolution 1.72 Å R-free 0.192

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 AAA; PDBConstruct 1–236; UniProt 1–236 Author chain BBB; PDBConstruct 1–236; UniProt 1–236 Author chain CCC; PDBConstruct 1–236; UniProt 1–236 Author chain DDD; PDBConstruct 1–236; UniProt 1–236 Author chain EEE; PDBConstruct 1–236; UniProt 1–236 Author chain FFF; PDBConstruct 1–236; UniProt 1–236 Author chain GGG; PDBConstruct 1–236; UniProt 1–236 Author chain HHH; PDBConstruct 1–236; UniProt 1–236 Author chain III; PDBConstruct 1–236; UniProt 1–236 Author chain JJJ; 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 6t9r

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 6t9r
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2. Structure Basics 2. Structure Basics

Entry ID entry_id6t9r
Deposition date deposition_date2019-10-28
Structure title titleAplysia californica AChBP in complex with a cytisine derivative
Keywords keywordsAcetylcholine binding protein, nicotinic receptor surrogate, hydrolase; HYDROLASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier46.83
Radius of gyration Rg (electron density) rg_electron46.66
Forward intensity I(0) i0872643000.00
Molecular weight molecular_weight243280.0 kDa
Excluded volume excluded_volume303190 ų
Envelope volume envelope_volume410750 ų
Hydration-shell volume shell_volume73775 ų
Envelope diameter envelope_diameter161.2
Shell Rg shell_rg50.23
Envelope Rg envelope_rg45.97
Shape Rg shape_rg46.66
Total Rg total_rg46.77
Total atoms total_atoms33494
Residues n_residues2058
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 dmax159.4
Rg (real space) rg_real47.04
Rg uncertainty (real space) rg_real_error1.75
I(0) (real space) i0_real8.7260e+08
I(0) uncertainty (real space) i0_real_error1.6800e+07
Rg (reciprocal space) rg_reciprocal46.83
I(0) (reciprocal space) i0_reciprocal872400000.0000
Solution quality estimate total_estimate0.7704
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary46.9
Skewness Skewness skewness0.450
Kurtosis Kurtosis kurtosis-0.459
Angular range angular_range— – 0.1700 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha168000000.0000
Real-space data points n_real_points35
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.671; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.998; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (8)

8. Citations (1)

9. Files and Curves (10)