8bhq

GABA-A receptor a5 homomer - a5V3 - RO7172670

Method: ELECTRON MICROSCOPY Dmax: 128.5 Å Quality: GOOD

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

Gamma-aminobutyric acid receptor subunit alpha-5

Homo sapiens

UniProt P31644

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 32–315 Chain A; UniProt 424–450 Chain B; UniProt 32–315 Chain B; UniProt 424–450 Chain C; UniProt 32–315 Chain C; UniProt 424–450 Chain D; UniProt 32–315 Chain D; UniProt 424–450 Chain E; UniProt 32–315 Chain E; UniProt 424–450 Mutation:;I79M,T82N,V98I,R101A,S103T,I142F,N145W,K151R,L152M,L155I,E156W,D157N,T160R,L161V,M165L,Q176D,A184E,H185Q,A186N,P287A,I336L,T340F,F344I,V335I ; NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 5 QR3 2-[[5-methyl-3-(6-methylpyridazin-3-yl)-1,2-oxazol-4-yl]methyl]-5-(5-oxa-2-azaspiro[3.5]nonan-2-yl)pyridazin-3-one × 5 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.4 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.30 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.

22 other PDB entries and 22 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name GBRA5_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–284; UniProt 32–315 Author chain A; PDBConstruct 323–349; UniProt 424–450 Author chain B; PDBConstruct 1–284; UniProt 32–315 Author chain B; PDBConstruct 323–349; UniProt 424–450 Author chain C; PDBConstruct 1–284; UniProt 32–315 Author chain C; PDBConstruct 323–349; UniProt 424–450 Author chain D; PDBConstruct 1–284; UniProt 32–315 Author chain D; PDBConstruct 323–349; UniProt 424–450 Author chain E; PDBConstruct 1–284; UniProt 32–315 Author chain E; PDBConstruct 323–349; UniProt 424–450

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 8bhq

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 8bhq
Download Download

2. Structure Basics 2. Structure Basics

Entry ID entry_id8bhq
Deposition date deposition_date2022-10-31
Structure title titleGABA-A receptor a5 homomer - a5V3 - RO7172670
Keywords keywordspLGIC GABA Neurotransmission, MEMBRANE PROTEIN; MEMBRANE PROTEIN
Experimental Method methodELECTRON MICROSCOPY

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

Radius of gyration Rg (Guinier) rg_guinier39.25
Radius of gyration Rg (electron density) rg_electron38.86
Forward intensity I(0) i0531431000.00
Molecular weight molecular_weight195720.0 kDa
Excluded volume excluded_volume247710 ų
Envelope volume envelope_volume326340 ų
Hydration-shell volume shell_volume68860 ų
Envelope diameter envelope_diameter127.3
Shell Rg shell_rg45.85
Envelope Rg envelope_rg38.24
Shape Rg shape_rg38.84
Total Rg total_rg39.32
Total atoms total_atoms27400
Residues n_residues1680
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 dmax128.5
Rg (real space) rg_real39.14
Rg uncertainty (real space) rg_real_error0.78
I(0) (real space) i0_real5.3140e+08
I(0) uncertainty (real space) i0_real_error8.7000e+06
Rg (reciprocal space) rg_reciprocal39.21
I(0) (reciprocal space) i0_reciprocal531500000.0000
Solution quality estimate total_estimate0.8756
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary48.2
Skewness Skewness skewness0.319
Kurtosis Kurtosis kurtosis-0.299
Angular range angular_range— – 0.2000 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha83970000.0000
Real-space data points n_real_points41
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.828; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.996; Smooth: 0.898

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

8. Citations (1)

9. Files and Curves (10)