8shu

Structure of mouse cGAS

Method: X-RAY DIFFRACTION Dmax: 69.1 Å Quality: EXCELLENT

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

Cyclic GMP-AMP synthase

Mus musculus

UniProt Q8C6L5

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 monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain C; UniProt 147–507 Fragment:catalytic domain (UNP residues 147-507) ZN ZINC ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6.5;277.15 K;0.2 M magnesium acetate tetrahydrate, 0.1 M sodium cacodylate trihydrate, pH 6.5, 20% w/v PEG8000 Resolution 1.71 Å R-free 0.211

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.

55 other PDB entries and 63 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name CGAS_MOUSE
Isoform
PDB entities 1
Chains and sequence ranges Author chain C; PDBConstruct 4–364; UniProt 147–507

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 8shu

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id8shu
Deposition date deposition_date2023-04-14
Structure title titleStructure of mouse cGAS
Keywords keywordsIMMUNE SYSTEM, TRANSFERASE; TRANSFERASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier22.59
Radius of gyration Rg (electron density) rg_electron21.26
Forward intensity I(0) i028309800.00
Molecular weight molecular_weight41990.0 kDa
Excluded volume excluded_volume53142 ų
Envelope volume envelope_volume63277 ų
Hydration-shell volume shell_volume24377 ų
Envelope diameter envelope_diameter71.4
Shell Rg shell_rg28.34
Envelope Rg envelope_rg21.25
Shape Rg shape_rg21.23
Total Rg total_rg22.29
Total atoms total_atoms2955
Residues n_residues359
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 dmax69.1
Rg (real space) rg_real22.45
Rg uncertainty (real space) rg_real_error0.32
I(0) (real space) i0_real2.8310e+07
I(0) uncertainty (real space) i0_real_error3.3690e+05
Rg (reciprocal space) rg_reciprocal22.48
I(0) (reciprocal space) i0_reciprocal28310000.0000
Solution quality estimate total_estimate0.9054
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary29.3
Skewness Skewness skewness0.094
Kurtosis Kurtosis kurtosis-0.521
Angular range angular_range— – 0.3500 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha5288000.0000
Real-space data points n_real_points67
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.938; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.985; Smooth: 0.967

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

8. Citations (1)

9. Files and Curves (10)