8atg

Pentameric ligand-gated ion channel GLIC with bound lipids

Method: ELECTRON MICROSCOPY Dmax: 125.3 Å Quality: GOOD

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

Proton-gated ion channel

Gloeobacter violaceus

UniProt Q7NDN8

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 44–359 Chain B; UniProt 44–359 Chain C; UniProt 44–359 Chain D; UniProt 44–359 Chain E; UniProt 44–359 Not recorded POV (2S)-3-(hexadecanoyloxy)-2-[(9Z)-octadec-9-enoyloxy]propyl 2-(trimethylammonio)ethyl phosphate × 25 ELECTRON MICROSCOPY cryo-EM buffer:pH 7 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 2.90 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.

129 other PDB entries and 135 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name GLIC_GLOVI
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 2–317; UniProt 44–359 Author chain B; PDBConstruct 2–317; UniProt 44–359 Author chain C; PDBConstruct 2–317; UniProt 44–359 Author chain D; PDBConstruct 2–317; UniProt 44–359 Author chain E; PDBConstruct 2–317; UniProt 44–359

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 8atg

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id8atg
Deposition date deposition_date2022-08-23
Structure title titlePentameric ligand-gated ion channel GLIC with bound lipids
Keywords keywordsGLIC, ion channel, pentameric channel, proton-gated channel, MEMBRANE PROTEIN; MEMBRANE PROTEIN
Experimental Method methodELECTRON MICROSCOPY

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

Radius of gyration Rg (Guinier) rg_guinier38.45
Radius of gyration Rg (electron density) rg_electron37.45
Forward intensity I(0) i0399149000.00
Molecular weight molecular_weight183420.0 kDa
Excluded volume excluded_volume237910 ų
Envelope volume envelope_volume304520 ų
Hydration-shell volume shell_volume65796 ų
Envelope diameter envelope_diameter125.0
Shell Rg shell_rg44.95
Envelope Rg envelope_rg37.36
Shape Rg shape_rg37.41
Total Rg total_rg38.10
Total atoms total_atoms12990
Residues n_residues1555
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 dmax125.3
Rg (real space) rg_real38.34
Rg uncertainty (real space) rg_real_error1.08
I(0) (real space) i0_real3.9910e+08
I(0) uncertainty (real space) i0_real_error7.1500e+06
Rg (reciprocal space) rg_reciprocal38.41
I(0) (reciprocal space) i0_reciprocal399200000.0000
Solution quality estimate total_estimate0.8113
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary45.9
Skewness Skewness skewness0.302
Kurtosis Kurtosis kurtosis-0.328
Angular range angular_range— – 0.2050 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha70590000.0000
Real-space data points n_real_points42
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.850; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.993; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (2)

8. Citations (1)

9. Files and Curves (10)