7ekp

human alpha 7 nicotinic acetylcholine receptor bound to EVP-6124

Method: ELECTRON MICROSCOPY Dmax: 149.1 Å Quality: GOOD

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

Neuronal acetylcholine receptor subunit alpha-7

Homo sapiens

UniProt P36544

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Other combination Homooligomer Protein × 5 其他Polymer 5 PDB declaration: pentameric(5) Consistent with protein copy count Chain A; UniProt 1–502 Chain B; UniProt 1–502 Chain C; UniProt 1–502 Chain D; UniProt 1–502 Chain E; UniProt 1–502 Not recorded 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 5 I33 7-chloro-N-(quinuclidin-3-yl)benzo[b]thiophene-2-carboxamide × 5 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 5 CLR CHOLESTEROL × 5 ELECTRON MICROSCOPY cryo-EM buffer:pH 8 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 2.85 Å

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.

44 other PDB entries and 44 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name ACHA7_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–502; UniProt 1–502 Author chain B; PDBConstruct 1–502; UniProt 1–502 Author chain C; PDBConstruct 1–502; UniProt 1–502 Author chain D; PDBConstruct 1–502; UniProt 1–502 Author chain E; PDBConstruct 1–502; UniProt 1–502

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 7ekp

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 7ekp
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2. Structure Basics 2. Structure Basics

Entry ID entry_id7ekp
Deposition date deposition_date2021-04-06
Structure title titlehuman alpha 7 nicotinic acetylcholine receptor bound to EVP-6124
Keywords keywordsalpha 7, nicotinic acetylcholine receptor, apo-form, MEMBRANE PROTEIN; MEMBRANE PROTEIN
Experimental Method methodELECTRON MICROSCOPY

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

Radius of gyration Rg (Guinier) rg_guinier44.30
Radius of gyration Rg (electron density) rg_electron44.01
Forward intensity I(0) i0672902000.00
Molecular weight molecular_weight228330.0 kDa
Excluded volume excluded_volume291440 ų
Envelope volume envelope_volume389730 ų
Hydration-shell volume shell_volume74796 ų
Envelope diameter envelope_diameter157.7
Shell Rg shell_rg47.79
Envelope Rg envelope_rg44.11
Shape Rg shape_rg44.04
Total Rg total_rg44.12
Total atoms total_atoms16080
Residues n_residues1980
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 dmax149.1
Rg (real space) rg_real44.55
Rg uncertainty (real space) rg_real_error1.34
I(0) (real space) i0_real6.7290e+08
I(0) uncertainty (real space) i0_real_error1.3610e+07
Rg (reciprocal space) rg_reciprocal44.30
I(0) (reciprocal space) i0_reciprocal672700000.0000
Solution quality estimate total_estimate0.8289
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary49.7
Skewness Skewness skewness0.580
Kurtosis Kurtosis kurtosis-0.059
Angular range angular_range— – 0.1800 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha112200000.0000
Real-space data points n_real_points37
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.708; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.993; Smooth: 0.655

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

7. Fold Classification (SCOP + CATH) 5 domains

CATH v4.4 (5 domains)

Domain ID domain_id7ekpA01
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_id7ekpB01
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_id7ekpC01
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_id7ekpD01
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_id7ekpE01
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)