1uv6

X-ray structure of acetylcholine binding protein (AChBP) in complex with carbamylcholine

Method: X-RAY DIFFRACTION Dmax: 131.0 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 20–229 Chain B; UniProt 20–229 Chain C; UniProt 20–229 Chain D; UniProt 20–229 Chain E; UniProt 20–229 Not recorded CCE 2-[(AMINOCARBONYL)OXY]-N,N,N-TRIMETHYLETHANAMINIUM × 2 X-RAY DIFFRACTION X-ray crystallization conditions:pH 8;CAPS PH 10.5, AMMONIUM SULFATE Resolution 2.50 Å R-free 0.265
2 Protein homooligomer Homooligomer Protein × 5 PDB declaration: pentameric(5) Consistent with protein copy count Chain F; UniProt 20–229 Chain G; UniProt 20–229 Chain H; UniProt 20–229 Chain I; UniProt 20–229 Chain J; UniProt 20–229 Not recorded CCE 2-[(AMINOCARBONYL)OXY]-N,N,N-TRIMETHYLETHANAMINIUM × 1 X-RAY DIFFRACTION X-ray crystallization conditions:pH 8;CAPS PH 10.5, AMMONIUM SULFATE Resolution 2.50 Å R-free 0.265

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 1–210; UniProt 20–229 Author chain B; PDBConstruct 1–210; UniProt 20–229 Author chain C; PDBConstruct 1–210; UniProt 20–229 Author chain D; PDBConstruct 1–210; UniProt 20–229 Author chain E; PDBConstruct 1–210; UniProt 20–229 Author chain F; PDBConstruct 1–210; UniProt 20–229 Author chain G; PDBConstruct 1–210; UniProt 20–229 Author chain H; PDBConstruct 1–210; UniProt 20–229 Author chain I; PDBConstruct 1–210; UniProt 20–229 Author chain J; PDBConstruct 1–210; 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 1uv6

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1uv6
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2. Structure Basics 2. Structure Basics

Entry ID entry_id1uv6
Deposition date deposition_date2004-01-15
Structure title titleX-ray structure of acetylcholine binding protein (AChBP) in complex with carbamylcholine
Keywords keywordsGLYCOPROTEIN, IMMUNOGLOBULIN DOMAIN, PENTAMER, IGG FOLD; GLYCOPROTEIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier41.21
Radius of gyration Rg (electron density) rg_electron40.28
Forward intensity I(0) i0846151000.00
Molecular weight molecular_weight232580.0 kDa
Excluded volume excluded_volume288510 ų
Envelope volume envelope_volume388340 ų
Hydration-shell volume shell_volume78330 ų
Envelope diameter envelope_diameter136.8
Shell Rg shell_rg47.56
Envelope Rg envelope_rg39.15
Shape Rg shape_rg40.26
Total Rg total_rg40.73
Total atoms total_atoms16390
Residues n_residues2050
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 dmax131.0
Rg (real space) rg_real41.07
Rg uncertainty (real space) rg_real_error0.92
I(0) (real space) i0_real8.4620e+08
I(0) uncertainty (real space) i0_real_error1.4030e+07
Rg (reciprocal space) rg_reciprocal41.21
I(0) (reciprocal space) i0_reciprocal846300000.0000
Solution quality estimate total_estimate0.8768
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary51.7
Skewness Skewness skewness0.246
Kurtosis Kurtosis kurtosis-0.364
Angular range angular_range— – 0.1900 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha138800000.0000
Real-space data points n_real_points39
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.844; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.976; Smooth: 0.885

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 20 domains

SCOP 2.08 (10 domains)

Domain ID domain_idd1uv6a_
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_idd1uv6b_
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_idd1uv6c_
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_idd1uv6d_
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_idd1uv6e_
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_idd1uv6f_
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_idd1uv6g_
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_idd1uv6h_
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_idd1uv6i_
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_idd1uv6j_
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 (10 domains)

Domain ID domain_id1uv6A00
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_id1uv6B00
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_id1uv6C00
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_id1uv6D00
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_id1uv6E00
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_id1uv6F00
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_id1uv6G00
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_id1uv6H00
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_id1uv6I00
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_id1uv6J00
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 (3)

9. Files and Curves (10)