6o47

human cGAS core domain (K427E/K428E) bound with RU-521

Method: X-RAY DIFFRACTION Dmax: 68.8 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 152–522 Mutation:K427E, K428E CIT CITRIC ACID × 2 ZN ZINC ION × 1 LLS (3~{S})-3-[1-[4,5-bis(chloranyl)-1~{H}-benzimidazol-2-yl]-3-methyl-5-oxidanyl-pyrazol-4-yl]-3~{H}-2-benzofuran-1-one × 1 AEV 2-(4,5-dichloro-1H-benzimidazol-2-yl)-5-methyl-4-[(1R)-3-oxo-1,3-dihydro-2-benzofuran-1-yl]-1,2-dihydro-3H-pyrazol-3-one × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7;293 K;0.064 M sodium citrate 7.0, 0.1 M HEPES, pH 7.0, 10% PEG5000MME Resolution 2.20 Å R-free 0.221

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 132 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 2–372; UniProt 152–522

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 6o47

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 6o47
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2. Structure Basics 2. Structure Basics

Entry ID entry_id6o47
Deposition date deposition_date2019-02-28
Structure title titlehuman cGAS core domain (K427E/K428E) bound with RU-521
Keywords keywordshuman, cGAS, core domain, compound, RU-521, DNA BINDING PROTEIN, TRANSFERASE; TRANSFERASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier22.17
Radius of gyration Rg (electron density) rg_electron20.82
Forward intensity I(0) i028498200.00
Molecular weight molecular_weight41431.0 kDa
Excluded volume excluded_volume52113 ų
Envelope volume envelope_volume62389 ų
Hydration-shell volume shell_volume24498 ų
Envelope diameter envelope_diameter69.8
Shell Rg shell_rg27.82
Envelope Rg envelope_rg20.88
Shape Rg shape_rg20.79
Total Rg total_rg21.83
Total atoms total_atoms2909
Residues n_residues346
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 dmax68.8
Rg (real space) rg_real22.00
Rg uncertainty (real space) rg_real_error0.34
I(0) (real space) i0_real2.8500e+07
I(0) uncertainty (real space) i0_real_error3.4180e+05
Rg (reciprocal space) rg_reciprocal22.03
I(0) (reciprocal space) i0_reciprocal28500000.0000
Solution quality estimate total_estimate0.9033
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary28.7
Skewness Skewness skewness0.107
Kurtosis Kurtosis kurtosis-0.501
Angular range angular_range— – 0.3600 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha5596000.0000
Real-space data points n_real_points68
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.917; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.993; Smooth: 0.993

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

7. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

Domain ID domain_id6o47A01
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology1410 — Poly(a)-polymerase, middle domain
Homologous superfamily homologous superfamily40
Domain ID domain_id6o47A02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology460 — Beta Polymerase; domain 2
Homologous superfamily homologous superfamily90

8. Citations (1)

9. Files and Curves (10)