8v8c

Alpha7-nicotinic acetylcholine receptor time resolved bound to epibatidine and PNU-120596 asymmetric state 1

Method: ELECTRON MICROSCOPY Dmax: 138.8 Å Quality: REASONABLE

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

Neuronal acetylcholine receptor subunit alpha-7,Soluble cytochrome b562

Homo sapiens

UniProt P0ABE7

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Insufficient information Homooligomer Protein × 5 其他Polymer 5 PDB declaration: pentameric(5) Consistent with protein copy count Chain A; UniProt 23–128 Chain B; UniProt 23–128 Chain C; UniProt 23–128 Chain D; UniProt 23–128 Chain E; UniProt 23–128 Not recorded 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 5 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 10 EPJ EPIBATIDINE × 5 I34 N-(5-Chloro-2,4-dimethoxyphenyl)-N'-(5-methyl-3-isoxazolyl)-urea × 5 CA CALCIUM ION × 3 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.4 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.29 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.

714 other PDB entries and 822 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name C562_ECOLX
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 355–460; UniProt 23–128 Author chain B; PDBConstruct 355–460; UniProt 23–128 Author chain C; PDBConstruct 355–460; UniProt 23–128 Author chain D; PDBConstruct 355–460; UniProt 23–128 Author chain E; PDBConstruct 355–460; UniProt 23–128

Neuronal acetylcholine receptor subunit alpha-7,Soluble cytochrome b562

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 Insufficient information Homooligomer Protein × 5 其他Polymer 5 PDB declaration: pentameric(5) Consistent with protein copy count Chain A; UniProt 24–412 Chain A; UniProt 413–502 Chain B; UniProt 24–412 Chain B; UniProt 413–502 Chain C; UniProt 24–412 Chain C; UniProt 413–502 Chain D; UniProt 24–412 Chain D; UniProt 413–502 Chain E; UniProt 24–412 Chain E; UniProt 413–502 Not recorded 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 5 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 10 EPJ EPIBATIDINE × 5 I34 N-(5-Chloro-2,4-dimethoxyphenyl)-N'-(5-methyl-3-isoxazolyl)-urea × 5 CA CALCIUM ION × 3 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.4 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.29 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 1–350; UniProt 24–412 Author chain A; PDBConstruct 461–550; UniProt 413–502 Author chain B; PDBConstruct 1–350; UniProt 24–412 Author chain B; PDBConstruct 461–550; UniProt 413–502 Author chain C; PDBConstruct 1–350; UniProt 24–412 Author chain C; PDBConstruct 461–550; UniProt 413–502 Author chain D; PDBConstruct 1–350; UniProt 24–412 Author chain D; PDBConstruct 461–550; UniProt 413–502 Author chain E; PDBConstruct 1–350; UniProt 24–412 Author chain E; PDBConstruct 461–550; UniProt 413–502

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 8v8c

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 8v8c
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2. Structure Basics 2. Structure Basics

Entry ID entry_id8v8c
Deposition date deposition_date2023-12-05
Structure title titleAlpha7-nicotinic acetylcholine receptor time resolved bound to epibatidine and PNU-120596 asymmetric state 1
Keywords keywordsION CHANNEL, MEMBRANE PROTEIN, NICOTINIC RECEPTOR; MEMBRANE PROTEIN
Experimental Method methodELECTRON MICROSCOPY

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

Radius of gyration Rg (Guinier) rg_guinier41.57
Radius of gyration Rg (electron density) rg_electron40.82
Forward intensity I(0) i0655034000.00
Molecular weight molecular_weight221640.0 kDa
Excluded volume excluded_volume281550 ų
Envelope volume envelope_volume368290 ų
Hydration-shell volume shell_volume73488 ų
Envelope diameter envelope_diameter143.1
Shell Rg shell_rg47.19
Envelope Rg envelope_rg41.22
Shape Rg shape_rg40.84
Total Rg total_rg41.11
Total atoms total_atoms30959
Residues n_residues1879
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 dmax138.8
Rg (real space) rg_real41.62
Rg uncertainty (real space) rg_real_error1.17
I(0) (real space) i0_real6.5500e+08
I(0) uncertainty (real space) i0_real_error1.0900e+07
Rg (reciprocal space) rg_reciprocal41.57
I(0) (reciprocal space) i0_reciprocal655000000.0000
Solution quality estimate total_estimate0.6261
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary47.5
Skewness Skewness skewness0.449
Kurtosis Kurtosis kurtosis-0.245
Angular range angular_range— – 0.1900 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha117500000.0000
Real-space data points n_real_points39
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.759; Stabil: 1.000; Sysdev: 0.008; Positv: 1.000; Valcen: 0.998; Smooth: 0.834

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

8. Citations (1)

9. Files and Curves (10)