7V0W

Structure of Ternary Complex of cGAS with dsDNA and Bound 5 -pppG(2,5 )pA


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.66 Å
  • R-Value Free: 0.238 
  • R-Value Work: 0.199 
  • R-Value Observed: 0.201 

Starting Model: experimental
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This is version 2.0 of the entry. See complete history


Literature

The structural basis for 2'-5'/3'-5'-cGAMP synthesis by cGAS

Wu, S.Gabelli, S.B.Sohn, J.

(2024) Nat Commun 15: 4012


Macromolecules

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Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
Cyclic GMP-AMP synthaseA,
B [auth C]
364Mus musculusMutation(s): 2 
Gene Names: CgasMb21d1
EC: 2.7.7.86
UniProt & NIH Common Fund Data Resources
Find proteins for Q8C6L5 (Mus musculus)
Explore Q8C6L5 
Go to UniProtKB:  Q8C6L5
IMPC:  MGI:2442261
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupQ8C6L5
Sequence Annotations
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  • Reference Sequence

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Entity ID: 2
MoleculeChains LengthOrganismImage
Palindromic DNA18C [auth E],
D [auth F],
E [auth I],
F [auth J]
18synthetic construct
Sequence Annotations
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  • Reference Sequence
Small Molecules
Ligands 4 Unique
IDChains Name / Formula / InChI Key2D Diagram3D Interactions
GTP (Subject of Investigation/LOI)
Query on GTP

Download Ideal Coordinates CCD File 
J [auth A],
N [auth C]
GUANOSINE-5'-TRIPHOSPHATE
C10 H16 N5 O14 P3
XKMLYUALXHKNFT-UUOKFMHZSA-N
AMP (Subject of Investigation/LOI)
Query on AMP

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I [auth A],
M [auth C]
ADENOSINE MONOPHOSPHATE
C10 H14 N5 O7 P
UDMBCSSLTHHNCD-KQYNXXCUSA-N
ZN
Query on ZN

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G [auth A],
K [auth C]
ZINC ION
Zn
PTFCDOFLOPIGGS-UHFFFAOYSA-N
MN (Subject of Investigation/LOI)
Query on MN

Download Ideal Coordinates CCD File 
H [auth A],
L [auth C]
MANGANESE (II) ION
Mn
WAEMQWOKJMHJLA-UHFFFAOYSA-N
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.66 Å
  • R-Value Free: 0.238 
  • R-Value Work: 0.199 
  • R-Value Observed: 0.201 
  • Space Group: P 21 21 21
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 78.475α = 90
b = 99.474β = 90
c = 142.088γ = 90
Software Package:
Software NamePurpose
XDSdata reduction
Aimlessdata scaling
MOLREPphasing
REFMACrefinement
PDB-REDOrefinement
PDB_EXTRACTdata extraction

Structure Validation

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Ligand Structure Quality Assessment 


Entry History & Funding Information

Deposition Data


Funding OrganizationLocationGrant Number
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)United States--

Revision History  (Full details and data files)

  • Version 1.0: 2023-05-17
    Type: Initial release
  • Version 1.1: 2023-10-25
    Changes: Data collection, Refinement description
  • Version 1.2: 2024-05-22
    Changes: Database references
  • Version 2.0: 2024-05-29
    Changes: Atomic model, Author supporting evidence, Data collection, Derived calculations, Non-polymer description, Structure summary