7fu5

Crystal Structure of human cyclic GMP-AMP synthase

Method: X-RAY DIFFRACTION Dmax: 99.7 Å Quality: EXCELLENT

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

Cyclic GMP-AMP synthase

Homo sapiens

UniProt Q8N884

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 A; UniProt 161–522 Fragment:UNP RESIDUES 161-522 ZN ZINC ION × 1 YMO (8S)-2-{[(3-fluoro[1,1'-biphenyl]-4-yl)methyl]amino}-5-propyl[1,2,4]triazolo[1,5-a]pyrimidin-7(4H)-one × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 7;293 K;10-12 mg/mL protein in 25 mM Tris/HCl pH7.5, 500mM NaCl, 2mM TCEP, supplemented with 10x molar excess of ligand and, if needed, with 10 mM MgCl2 and 5mM ATP, then mixed 1:1 with reservoir of the Procomplex screen. Several conditions resulted in crystals Resolution 2.18 Å R-free 0.278
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 161–522 Fragment:UNP RESIDUES 161-522 ZN ZINC ION × 1 YMO (8S)-2-{[(3-fluoro[1,1'-biphenyl]-4-yl)methyl]amino}-5-propyl[1,2,4]triazolo[1,5-a]pyrimidin-7(4H)-one × 1 SO4 SULFATE ION × 3 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 7;293 K;10-12 mg/mL protein in 25 mM Tris/HCl pH7.5, 500mM NaCl, 2mM TCEP, supplemented with 10x molar excess of ligand and, if needed, with 10 mM MgCl2 and 5mM ATP, then mixed 1:1 with reservoir of the Procomplex screen. Several conditions resulted in crystals Resolution 2.18 Å R-free 0.278

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.

106 other PDB entries and 131 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name CGAS_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–362; UniProt 161–522 Author chain B; PDBConstruct 1–362; UniProt 161–522

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 7fu5

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 7fu5
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2. Structure Basics 2. Structure Basics

Entry ID entry_id7fu5
Deposition date deposition_date2023-02-08
Structure title titleCrystal Structure of human cyclic GMP-AMP synthase
Keywords keywords;NUCLEOTIDYLTRANSFERASE, CYCLIC GMP-AMP SYNTHASE, CGAS, DNA-BINDING, ACTIVATOR DNA, PATTERN RECOGNITION RECEPTOR, INNATE IMMUNE RESPONSE, VIRAL DNA RECOGNITION, TRANSFERASE ;; TRANSFERASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier31.67
Radius of gyration Rg (electron density) rg_electron30.82
Forward intensity I(0) i0108941000.00
Molecular weight molecular_weight83998.0 kDa
Excluded volume excluded_volume105830 ų
Envelope volume envelope_volume139620 ų
Hydration-shell volume shell_volume37121 ų
Envelope diameter envelope_diameter98.8
Shell Rg shell_rg38.69
Envelope Rg envelope_rg30.45
Shape Rg shape_rg30.82
Total Rg total_rg31.56
Total atoms total_atoms5900
Residues n_residues708
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 dmax99.7
Rg (real space) rg_real31.60
Rg uncertainty (real space) rg_real_error0.72
I(0) (real space) i0_real1.0890e+08
I(0) uncertainty (real space) i0_real_error1.6970e+06
Rg (reciprocal space) rg_reciprocal31.63
I(0) (reciprocal space) i0_reciprocal108900000.0000
Solution quality estimate total_estimate0.9118
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary37.9
Skewness Skewness skewness0.212
Kurtosis Kurtosis kurtosis-0.637
Angular range angular_range— – 0.2500 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha24100000.0000
Real-space data points n_real_points51
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.956; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.998; Smooth: 0.982

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

8. Citations (1)

9. Files and Curves (10)