6f7a

Gloeobacter Ligand-gated Ion Channel (GLIC) closed state crystallized in an ultra-swollen lipidic mesophase

Method: X-RAY DIFFRACTION Dmax: 123.9 Å Quality: GOOD

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

Proton-gated ion channel

Gloeobacter violaceus (strain PCC 7421)

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 47–357 Chain B; UniProt 47–357 Chain C; UniProt 47–357 Chain D; UniProt 47–357 Chain E; UniProt 47–357 Not recorded No other associated polymer X-RAY DIFFRACTION X-ray crystallization conditions:LIPIDIC CUBIC PHASE;298 K;0.2 M (NH4)SO4, 0.02M NaCl, 0.02M Na Act 4 pH, 33%v/v PEG200 Resolution 6.00 Å R-free 0.318

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 1–311; UniProt 47–357 Author chain B; PDBConstruct 1–311; UniProt 47–357 Author chain C; PDBConstruct 1–311; UniProt 47–357 Author chain D; PDBConstruct 1–311; UniProt 47–357 Author chain E; PDBConstruct 1–311; UniProt 47–357

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 6f7a

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 6f7a
Download Download

2. Structure Basics 2. Structure Basics

Entry ID entry_id6f7a
Deposition date deposition_date2017-12-07
Structure title titleGloeobacter Ligand-gated Ion Channel (GLIC) closed state crystallized in an ultra-swollen lipidic mesophase
Keywords keywordsTRANSPORT PROTEIN, MEMBRANE PROTEIN; MEMBRANE PROTEIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier38.13
Radius of gyration Rg (electron density) rg_electron37.30
Forward intensity I(0) i0347512000.00
Molecular weight molecular_weight164280.0 kDa
Excluded volume excluded_volume210280 ų
Envelope volume envelope_volume282910 ų
Hydration-shell volume shell_volume62585 ų
Envelope diameter envelope_diameter126.4
Shell Rg shell_rg44.31
Envelope Rg envelope_rg36.74
Shape Rg shape_rg37.29
Total Rg total_rg37.85
Total atoms total_atoms11682
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 dmax123.9
Rg (real space) rg_real38.03
Rg uncertainty (real space) rg_real_error0.85
I(0) (real space) i0_real3.4750e+08
I(0) uncertainty (real space) i0_real_error5.8240e+06
Rg (reciprocal space) rg_reciprocal38.10
I(0) (reciprocal space) i0_reciprocal347500000.0000
Solution quality estimate total_estimate0.8823
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary45.3
Skewness Skewness skewness0.303
Kurtosis Kurtosis kurtosis-0.338
Angular range angular_range— – 0.2050 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha73180000.0000
Real-space data points n_real_points42
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.866; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.995; Smooth: 0.871

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (1)

8. Citations (1)

9. Files and Curves (10)