7utt

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Structure of Non-hydrolyzable ATP (ApCpp) binds to Cyclic GMP AMP synthase (cGAS) through Mn coordinationStructure of Non-hydrolyzable ATP (ApCpp) binds to Cyclic GMP AMP synthase (cGAS) through Mn coordination

Structural highlights

7utt is a 6 chain structure with sequence from DNA molecule and Mus musculus. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Method:X-ray diffraction, Resolution 2.04Å
Ligands:, ,
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

CGAS_MOUSE Nucleotidyltransferase that catalyzes formation of cyclic GMP-AMP (cGAMP) from ATP and GTP and exhibits antiviral activity. Has antiviral activity by acting as a key cytosolic DNA sensor, the presence of DNA in the cytoplasm being a danger signal that triggers the immune responses. Binds cytosolic DNA directly, leading to activation and synthesis of cGAMP, a second messenger that binds to and activates TMEM173/STING, thereby triggering type-I interferon production.

7utt, resolution 2.04Å

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OCA