3wtk

Crystal Structure of Lymnaea stagnalis Acetylcholine-Binding Protein Q55R Mutant Complexed with Thiacloprid

Method: X-RAY DIFFRACTION Dmax: 92.1 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 21–229 Chain B; UniProt 21–229 Chain C; UniProt 21–229 Chain D; UniProt 21–229 Chain E; UniProt 21–229 Fragment:UNP residues 21-229 Mutation:Q55R TH4 {(2Z)-3-[(6-chloropyridin-3-yl)methyl]-1,3-thiazolidin-2-ylidene}cyanamide × 5 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION;pH 5.7;293 K;0.2M Na citrate pH 5.7, 15-22% PEG3350, 0.5mM thiacloprid, VAPOR DIFFUSION, temperature 293K Resolution 2.69 Å R-free 0.274

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 6–214; UniProt 21–229 Author chain B; PDBConstruct 6–214; UniProt 21–229 Author chain C; PDBConstruct 6–214; UniProt 21–229 Author chain D; PDBConstruct 6–214; UniProt 21–229 Author chain E; PDBConstruct 6–214; UniProt 21–229

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 3wtk

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id3wtk
Deposition date deposition_date2014-04-11
Structure title titleCrystal Structure of Lymnaea stagnalis Acetylcholine-Binding Protein Q55R Mutant Complexed with Thiacloprid
Keywords keywordsneonicotinoids, nicotinic acetylcholine receptor, thiacloprid, acetylcholine binding, 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_guinier31.76
Radius of gyration Rg (electron density) rg_electron29.95
Forward intensity I(0) i0240823000.00
Molecular weight molecular_weight118970.0 kDa
Excluded volume excluded_volume147020 ų
Envelope volume envelope_volume188920 ų
Hydration-shell volume shell_volume49519 ų
Envelope diameter envelope_diameter98.5
Shell Rg shell_rg39.52
Envelope Rg envelope_rg29.41
Shape Rg shape_rg29.95
Total Rg total_rg30.81
Total atoms total_atoms8374
Residues n_residues1041
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 dmax92.1
Rg (real space) rg_real31.42
Rg uncertainty (real space) rg_real_error0.42
I(0) (real space) i0_real2.4080e+08
I(0) uncertainty (real space) i0_real_error3.3730e+06
Rg (reciprocal space) rg_reciprocal31.57
I(0) (reciprocal space) i0_reciprocal240900000.0000
Solution quality estimate total_estimate0.8969
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary46.0
Skewness Skewness skewness-0.097
Kurtosis Kurtosis kurtosis-0.607
Angular range angular_range— – 0.2500 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha73580000.0000
Real-space data points n_real_points51
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.921; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.966; Smooth: 0.928

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_idd3wtka1
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_idd3wtka2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags
Domain ID domain_idd3wtkb1
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_idd3wtkb2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags
Domain ID domain_idd3wtkc1
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_idd3wtkc2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags
Domain ID domain_idd3wtkd1
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_idd3wtkd2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags
Domain ID domain_idd3wtke1
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_idd3wtke2
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_id3wtkA00
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_id3wtkB00
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_id3wtkC00
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_id3wtkD00
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_id3wtkE00
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)