5oal

Crystal structure of mutant AChBP in complex with strychnine (T53F, Q74R, Y110A, I135S, G162E)

Method: X-RAY DIFFRACTION Dmax: 157.1 Å Quality: GOOD

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

Soluble acetylcholine receptor

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 A; UniProt 1–236 Chain B; UniProt 1–236 Chain C; UniProt 1–236 Chain D; UniProt 1–236 Chain E; UniProt 1–236 Mutation:T53F, Q74R, Y110A, I135S, G162E SY9 STRYCHNINE × 5 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 7.5;293 K;Reservoir buffer: 20 % PEG3350 0.2 M Mg formate Protein buffer: 50 mM trism 250 mM NaCl Ph 7.5, 0.5 mM strychnine Resolution 3.20 Å R-free 0.231
2 Protein homooligomer Homooligomer Protein × 5 PDB declaration: pentameric(5) Consistent with protein copy count Chain F; UniProt 1–236 Chain G; UniProt 1–236 Chain H; UniProt 1–236 Chain I; UniProt 1–236 Chain J; UniProt 1–236 Mutation:T53F, Q74R, Y110A, I135S, G162E SY9 STRYCHNINE × 5 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 7.5;293 K;Reservoir buffer: 20 % PEG3350 0.2 M Mg formate Protein buffer: 50 mM trism 250 mM NaCl Ph 7.5, 0.5 mM strychnine Resolution 3.20 Å R-free 0.231
3 Protein homooligomer Homooligomer Protein × 5 PDB declaration: pentameric(5) Consistent with protein copy count Chain K; UniProt 1–236 Chain L; UniProt 1–236 Chain M; UniProt 1–236 Chain N; UniProt 1–236 Chain O; UniProt 1–236 Mutation:T53F, Q74R, Y110A, I135S, G162E SY9 STRYCHNINE × 5 ARG ARGININE × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 7.5;293 K;Reservoir buffer: 20 % PEG3350 0.2 M Mg formate Protein buffer: 50 mM trism 250 mM NaCl Ph 7.5, 0.5 mM strychnine Resolution 3.20 Å R-free 0.231

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 118 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 A; PDBConstruct 1–236; UniProt 1–236 Author chain B; PDBConstruct 1–236; UniProt 1–236 Author chain C; PDBConstruct 1–236; UniProt 1–236 Author chain D; PDBConstruct 1–236; UniProt 1–236 Author chain E; PDBConstruct 1–236; UniProt 1–236 Author chain F; PDBConstruct 1–236; UniProt 1–236 Author chain G; PDBConstruct 1–236; UniProt 1–236 Author chain H; PDBConstruct 1–236; UniProt 1–236 Author chain I; PDBConstruct 1–236; UniProt 1–236 Author chain J; PDBConstruct 1–236; UniProt 1–236 Author chain K; PDBConstruct 1–236; UniProt 1–236 Author chain L; PDBConstruct 1–236; UniProt 1–236 Author chain M; PDBConstruct 1–236; UniProt 1–236 Author chain N; PDBConstruct 1–236; UniProt 1–236 Author chain O; 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 5oal

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 5oal
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2. Structure Basics 2. Structure Basics

Entry ID entry_id5oal
Deposition date deposition_date2017-06-22
Structure title titleCrystal structure of mutant AChBP in complex with strychnine (T53F, Q74R, Y110A, I135S, G162E)
Keywords keywordsreceptor, 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_guinier51.45
Radius of gyration Rg (electron density) rg_electron50.84
Forward intensity I(0) i01816740000.00
Molecular weight molecular_weight355000.0 kDa
Excluded volume excluded_volume442940 ų
Envelope volume envelope_volume619520 ų
Hydration-shell volume shell_volume100210 ų
Envelope diameter envelope_diameter159.7
Shell Rg shell_rg55.82
Envelope Rg envelope_rg49.24
Shape Rg shape_rg50.83
Total Rg total_rg51.04
Total atoms total_atoms25009
Residues n_residues3078
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 dmax157.1
Rg (real space) rg_real51.30
Rg uncertainty (real space) rg_real_error1.24
I(0) (real space) i0_real1.8170e+09
I(0) uncertainty (real space) i0_real_error3.5330e+07
Rg (reciprocal space) rg_reciprocal51.56
I(0) (reciprocal space) i0_reciprocal1817000000.0000
Solution quality estimate total_estimate0.8675
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary55.8
Skewness Skewness skewness0.155
Kurtosis Kurtosis kurtosis-0.654
Angular range angular_range— – 0.1550 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha403000000.0000
Real-space data points n_real_points32
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.949; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.986; Smooth: 0.439

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 15 domains

CATH v4.4 (15 domains)

Domain ID domain_id5oalA00
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_id5oalB00
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_id5oalC00
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_id5oalD00
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_id5oalE00
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_id5oalF00
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_id5oalG00
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_id5oalH00
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_id5oalI00
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_id5oalJ00
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_id5oalK00
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_id5oalL00
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_id5oalM00
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_id5oalN00
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_id5oalO00
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)