4zr6

Lymnaea Stagnalis Acetylcholine Binding Protein in Complex with 3-[(4E)-4-[(3-methylimidazol-4-yl)methylene]-2,3-dihydropyrrol-5-yl]pyridine

Method: X-RAY DIFFRACTION Dmax: 87.9 Å Quality: EXCELLENT

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 Fragment:UNP residues 20-229 4QW 3-{(4E)-4-[(1-methyl-1H-imidazol-5-yl)methylidene]-3,4-dihydro-2H-pyrrol-5-yl}pyridine × 5 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 4.6;291.15 K;0.02 M calcium chloride dihydrate, 0.1 M sodium acetate trihydrate, pH 4.6, 30% v/v MPD Resolution 2.60 Å R-free 0.266

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 122 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 9–218; UniProt 20–229 Author chain B; PDBConstruct 9–218; UniProt 20–229 Author chain C; PDBConstruct 9–218; UniProt 20–229 Author chain D; PDBConstruct 9–218; UniProt 20–229 Author chain E; PDBConstruct 9–218; 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 4zr6

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 4zr6
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2. Structure Basics 2. Structure Basics

Entry ID entry_id4zr6
Deposition date deposition_date2015-05-11
Structure title titleLymnaea Stagnalis Acetylcholine Binding Protein in Complex with 3-[(4E)-4-[(3-methylimidazol-4-yl)methylene]-2,3-dihydropyrrol-5-yl]pyridine
Keywords keywordsacetylcholine, nicotinic, AChBP, Myosmine, ACETYLCHOLINE BINDING PROTEIN; ACETYLCHOLINE BINDING PROTEIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier31.00
Radius of gyration Rg (electron density) rg_electron29.26
Forward intensity I(0) i0171942000.00
Molecular weight molecular_weight103000.0 kDa
Excluded volume excluded_volume128430 ų
Envelope volume envelope_volume169740 ų
Hydration-shell volume shell_volume46009 ų
Envelope diameter envelope_diameter92.2
Shell Rg shell_rg38.51
Envelope Rg envelope_rg28.39
Shape Rg shape_rg29.27
Total Rg total_rg30.16
Total atoms total_atoms7356
Residues n_residues983
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 dmax87.9
Rg (real space) rg_real30.68
Rg uncertainty (real space) rg_real_error0.43
I(0) (real space) i0_real1.7190e+08
I(0) uncertainty (real space) i0_real_error2.4990e+06
Rg (reciprocal space) rg_reciprocal30.82
I(0) (reciprocal space) i0_reciprocal172000000.0000
Solution quality estimate total_estimate0.9052
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary44.8
Skewness Skewness skewness-0.123
Kurtosis Kurtosis kurtosis-0.632
Angular range angular_range— – 0.2550 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha43740000.0000
Real-space data points n_real_points52
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.941; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.963; Smooth: 0.977

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 10 domains

SCOP 2.08 (5 domains)

Domain ID domain_idd4zr6a_
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_idd4zr6b_
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_idd4zr6c_
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_idd4zr6d_
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_idd4zr6e_
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 (5 domains)

Domain ID domain_id4zr6A00
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_id4zr6B00
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_id4zr6C00
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_id4zr6D00
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_id4zr6E00
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)