4qaa

X-RAY STRUCTURE OF ACETYLCHOLINE BINDING PROTEIN (ACHBP) IN COMPLEX WITH 6-(4-Methoxyphenyl)-N4-octylpyrimidine-2,4-diamine

Method: X-RAY DIFFRACTION Dmax: 132.8 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 20–228 Chain B; UniProt 20–228 Chain C; UniProt 20–228 Chain D; UniProt 20–228 Chain E; UniProt 20–228 Not recorded KK1 6-(4-methoxyphenyl)-N~4~-octylpyrimidine-2,4-diamine × 5 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 5 PO4 PHOSPHATE ION × 12 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 5;290 K;0.26 M ammonium phosphate monobasic, 35% v/v glycerol, VAPOR DIFFUSION, HANGING DROP, temperature 290K Resolution 2.70 Å R-free 0.262
2 Protein homooligomer Homooligomer Protein × 5 PDB declaration: pentameric(5) Consistent with protein copy count Chain F; UniProt 20–228 Chain G; UniProt 20–228 Chain H; UniProt 20–228 Chain I; UniProt 20–228 Chain J; UniProt 20–228 Not recorded KK1 6-(4-methoxyphenyl)-N~4~-octylpyrimidine-2,4-diamine × 5 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 5 PO4 PHOSPHATE ION × 7 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 5;290 K;0.26 M ammonium phosphate monobasic, 35% v/v glycerol, VAPOR DIFFUSION, HANGING DROP, temperature 290K Resolution 2.70 Å R-free 0.262

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 9–217; UniProt 20–228 Author chain B; PDBConstruct 9–217; UniProt 20–228 Author chain C; PDBConstruct 9–217; UniProt 20–228 Author chain D; PDBConstruct 9–217; UniProt 20–228 Author chain E; PDBConstruct 9–217; UniProt 20–228 Author chain F; PDBConstruct 9–217; UniProt 20–228 Author chain G; PDBConstruct 9–217; UniProt 20–228 Author chain H; PDBConstruct 9–217; UniProt 20–228 Author chain I; PDBConstruct 9–217; UniProt 20–228 Author chain J; PDBConstruct 9–217; UniProt 20–228

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 4qaa

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id4qaa
Deposition date deposition_date2014-05-03
Structure title titleX-RAY STRUCTURE OF ACETYLCHOLINE BINDING PROTEIN (ACHBP) IN COMPLEX WITH 6-(4-Methoxyphenyl)-N4-octylpyrimidine-2,4-diamine
Keywords keywordsAcetylcholine-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_guinier41.53
Radius of gyration Rg (electron density) rg_electron40.73
Forward intensity I(0) i0943872000.00
Molecular weight molecular_weight243100.0 kDa
Excluded volume excluded_volume300310 ų
Envelope volume envelope_volume407290 ų
Hydration-shell volume shell_volume81132 ų
Envelope diameter envelope_diameter135.5
Shell Rg shell_rg48.02
Envelope Rg envelope_rg39.46
Shape Rg shape_rg40.70
Total Rg total_rg41.18
Total atoms total_atoms17126
Residues n_residues2078
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 dmax132.8
Rg (real space) rg_real41.36
Rg uncertainty (real space) rg_real_error0.92
I(0) (real space) i0_real9.4390e+08
I(0) uncertainty (real space) i0_real_error1.6510e+07
Rg (reciprocal space) rg_reciprocal41.53
I(0) (reciprocal space) i0_reciprocal944000000.0000
Solution quality estimate total_estimate0.8701
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary52.4
Skewness Skewness skewness0.231
Kurtosis Kurtosis kurtosis-0.300
Angular range angular_range— – 0.1900 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha107200000.0000
Real-space data points n_real_points39
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.821; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.970; Smooth: 0.873

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

7. Fold Classification (SCOP + CATH) 30 domains

SCOP 2.08 (20 domains)

Domain ID domain_idd4qaaa1
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_idd4qaaa2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags
Domain ID domain_idd4qaab1
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_idd4qaab2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags
Domain ID domain_idd4qaac1
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_idd4qaac2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags
Domain ID domain_idd4qaad1
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_idd4qaad2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags
Domain ID domain_idd4qaae1
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_idd4qaae2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags
Domain ID domain_idd4qaaf1
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_idd4qaaf2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags
Domain ID domain_idd4qaag1
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_idd4qaag2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags
Domain ID domain_idd4qaah1
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_idd4qaah2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags
Domain ID domain_idd4qaai1
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_idd4qaai2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags
Domain ID domain_idd4qaaj1
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_idd4qaaj2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags

CATH v4.4 (10 domains)

Domain ID domain_id4qaaA00
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_id4qaaB00
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_id4qaaC00
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_id4qaaD00
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_id4qaaE00
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_id4qaaF00
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_id4qaaG00
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_id4qaaH00
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_id4qaaI00
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_id4qaaJ00
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)