3u8j

Crystal structure of the acetylcholine binding protein (AChBP) from Lymnaea stagnalis in complex with NS3531 (1-(pyridin-3-yl)-1,4-diazepane)

Method: X-RAY DIFFRACTION Dmax: 143.0 Å Quality: GOOD

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

Acetylcholine-binding protein

Lymnaea stagnalis

UniProt P58154

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 20–229 Chain B; UniProt 20–229 Chain C; UniProt 20–229 Chain D; UniProt 20–229 Chain E; UniProt 20–229 Not recorded 09O 1-(pyridin-3-yl)-1,4-diazepane × 5 SO4 SULFATE ION × 4 X-RAY DIFFRACTION X-ray crystallization conditions:pH 8;293 K;50mM Tris, 1.9M Ammonium sulfate, 1% PEG 400, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K Resolution 2.35 Å R-free 0.258
2 Protein homooligomer Homooligomer Protein × 5 PDB declaration: pentameric(5) Consistent with protein copy count Chain F; UniProt 20–229 Chain G; UniProt 20–229 Chain H; UniProt 20–229 Chain I; UniProt 20–229 Chain J; UniProt 20–229 Not recorded 09O 1-(pyridin-3-yl)-1,4-diazepane × 5 SO4 SULFATE ION × 2 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 X-RAY DIFFRACTION X-ray crystallization conditions:pH 8;293 K;50mM Tris, 1.9M Ammonium sulfate, 1% PEG 400, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K Resolution 2.35 Å R-free 0.258

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.

59 other PDB entries and 121 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name ACHP_LYMST
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–210; UniProt 20–229 Author chain B; PDBConstruct 1–210; UniProt 20–229 Author chain C; PDBConstruct 1–210; UniProt 20–229 Author chain D; PDBConstruct 1–210; UniProt 20–229 Author chain E; PDBConstruct 1–210; UniProt 20–229 Author chain F; PDBConstruct 1–210; UniProt 20–229 Author chain G; PDBConstruct 1–210; UniProt 20–229 Author chain H; PDBConstruct 1–210; UniProt 20–229 Author chain I; PDBConstruct 1–210; UniProt 20–229 Author chain J; PDBConstruct 1–210; UniProt 20–229

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 3u8j

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 3u8j
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2. Structure Basics 2. Structure Basics

Entry ID entry_id3u8j
Deposition date deposition_date2011-10-17
Structure title titleCrystal structure of the acetylcholine binding protein (AChBP) from Lymnaea stagnalis in complex with NS3531 (1-(pyridin-3-yl)-1,4-diazepane)
Keywords keywords;Lymnaea stagnalis, agonist, Ligand-bindig domain, Acetylcholine, Acetylcholine-binding protein, Acetylcholine-binding protein-agonist complex ;; Acetylcholine-binding protein/agonist
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier46.55
Radius of gyration Rg (electron density) rg_electron46.46
Forward intensity I(0) i01583910000.00
Molecular weight molecular_weight215990.0 kDa
Excluded volume excluded_volume207180 ų
Envelope volume envelope_volume392640 ų
Hydration-shell volume shell_volume71389 ų
Envelope diameter envelope_diameter156.8
Shell Rg shell_rg49.50
Envelope Rg envelope_rg45.66
Shape Rg shape_rg46.42
Total Rg total_rg46.62
Total atoms total_atoms16346
Residues n_residues2022
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 dmax143.0
Rg (real space) rg_real46.81
Rg uncertainty (real space) rg_real_error0.90
I(0) (real space) i0_real1.5840e+09
I(0) uncertainty (real space) i0_real_error2.9300e+07
Rg (reciprocal space) rg_reciprocal46.56
I(0) (reciprocal space) i0_reciprocal1583000000.0000
Solution quality estimate total_estimate0.8132
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary46.3
Skewness Skewness skewness0.454
Kurtosis Kurtosis kurtosis-0.515
Angular range angular_range— – 0.1700 −1
Current regularization parameter α current_alpha0.0001
Highest regularization parameter α highest_alpha129700000.0000
Real-space data points n_real_points35
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.848; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.994; Smooth: 0.030

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

7. Fold Classification (SCOP + CATH) 20 domains

SCOP 2.08 (10 domains)

Domain ID domain_idd3u8ja_
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.96.1.1 — Nicotinic receptor ligand binding domain-like
Domain ID domain_idd3u8jb_
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.96.1.1 — Nicotinic receptor ligand binding domain-like
Domain ID domain_idd3u8jc_
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.96.1.1 — Nicotinic receptor ligand binding domain-like
Domain ID domain_idd3u8jd_
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.96.1.1 — Nicotinic receptor ligand binding domain-like
Domain ID domain_idd3u8je_
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.96.1.1 — Nicotinic receptor ligand binding domain-like
Domain ID domain_idd3u8jf_
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.96.1.1 — Nicotinic receptor ligand binding domain-like
Domain ID domain_idd3u8jg_
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.96.1.1 — Nicotinic receptor ligand binding domain-like
Domain ID domain_idd3u8jh_
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.96.1.1 — Nicotinic receptor ligand binding domain-like
Domain ID domain_idd3u8ji_
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.96.1.1 — Nicotinic receptor ligand binding domain-like
Domain ID domain_idd3u8jj_
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.96.1.1 — Nicotinic receptor ligand binding domain-like

CATH v4.4 (10 domains)

Domain ID domain_id3u8jA00
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_id3u8jB00
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_id3u8jC00
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_id3u8jD00
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_id3u8jE00
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_id3u8jF00
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_id3u8jG00
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_id3u8jH00
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_id3u8jI00
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_id3u8jJ00
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)