2zju

Crystal Structure of Lymnaea stagnalis Acetylcholine Binding Protein (Ls-AChBP) Complexed with Imidacloprid

Method: X-RAY DIFFRACTION Dmax: 91.7 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 16–229 Chain B; UniProt 16–229 Chain C; UniProt 16–229 Chain D; UniProt 16–229 Chain E; UniProt 16–229 Fragment:UNP residues 16-229 Mutation:S0A, L1A, N66D IM4 (2E)-1-[(6-chloropyridin-3-yl)methyl]-N-nitroimidazolidin-2-imine × 5 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 5.7;293 K;0.2M Na citrate, pH5.7, 15-22% PEG3350, 0.5mM imidacloprid, VAPOR DIFFUSION, HANGING DROP, temperature 293.0K Resolution 2.58 Å R-free 0.277

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 1–214; UniProt 16–229 Author chain B; PDBConstruct 1–214; UniProt 16–229 Author chain C; PDBConstruct 1–214; UniProt 16–229 Author chain D; PDBConstruct 1–214; UniProt 16–229 Author chain E; PDBConstruct 1–214; UniProt 16–229

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 2zju

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 2zju
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2. Structure Basics 2. Structure Basics

Entry ID entry_id2zju
Deposition date deposition_date2008-03-10
Structure title titleCrystal Structure of Lymnaea stagnalis Acetylcholine Binding Protein (Ls-AChBP) Complexed with Imidacloprid
Keywords keywords;acetylcholine binding protein, neonicotinoids, nicotinic acetylcholine receptor, imidacloprid, Cell junction, Glycoprotein, Immunoglobulin domain, Secreted, Synapse, 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_guinier31.90
Radius of gyration Rg (electron density) rg_electron30.07
Forward intensity I(0) i0241050000.00
Molecular weight molecular_weight118750.0 kDa
Excluded volume excluded_volume146680 ų
Envelope volume envelope_volume190690 ų
Hydration-shell volume shell_volume49737 ų
Envelope diameter envelope_diameter98.4
Shell Rg shell_rg39.64
Envelope Rg envelope_rg29.56
Shape Rg shape_rg30.06
Total Rg total_rg30.94
Total atoms total_atoms8363
Residues n_residues1040
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 dmax91.7
Rg (real space) rg_real31.56
Rg uncertainty (real space) rg_real_error0.51
I(0) (real space) i0_real2.4100e+08
I(0) uncertainty (real space) i0_real_error3.5820e+06
Rg (reciprocal space) rg_reciprocal31.71
I(0) (reciprocal space) i0_reciprocal241100000.0000
Solution quality estimate total_estimate0.9037
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary45.9
Skewness Skewness skewness-0.094
Kurtosis Kurtosis kurtosis-0.611
Angular range angular_range— – 0.2500 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha73070000.0000
Real-space data points n_real_points51
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.932; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.969; Smooth: 0.981

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 15 domains

SCOP 2.08 (10 domains)

Domain ID domain_idd2zjua1
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_idd2zjua2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags
Domain ID domain_idd2zjub1
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_idd2zjub2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags
Domain ID domain_idd2zjuc1
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_idd2zjuc2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags
Domain ID domain_idd2zjud1
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_idd2zjud2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags
Domain ID domain_idd2zjue1
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_idd2zjue2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags

CATH v4.4 (5 domains)

Domain ID domain_id2zjuA00
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_id2zjuB00
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_id2zjuC00
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_id2zjuD00
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_id2zjuE00
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)