Recombinant Human CGAS Protein, His-tagged CGAS-019H

Recombinant Human CGAS Protein, His-tagged


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Recombinant Human CGAS Protein, His-tagged

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Cat.No. : CGAS-019H
Product Overview : Recombinant full length human CGAS protein (2-522) with a N-terminal His tag was expressed in E. coli.
Description : Cyclic GMP-AMP (cGAMP) synthase (cGAS) is a nucleotidyltransferase located in the cytosol that acts as a cytosolic DNA sensor to detect foreign DNA from microbial pathogens as part of the innate immune response. Upon binding to cytosolic DNA, cGAS produces the cyclic dinucleotide second messenger cGAMP, which activates stimulator of interferon genes (STING), leading to activation of the type I interferon (IFN) pathway. In vitro, fibroblasts, macrophages, and dendritic cells isolated from cGAS knockout (cGAS -/- ) mice do not produce type I IFNs following DNA transfection or DNA virus infection. Similarly, cells containing a frame-shift mutation in the cGAS locus fail to mount an immune response to HIV and other retroviruses. In vivo, cGAS -/- mice infected with herpes simplex virus 1 (HSV-1) have lower levels of IFN-α and IFN-β, shorter survival times, and higher post-mortem levels of HSV-1 in the brain.
Source : E. coli
Species : Human
Tag : His
Form : 50 mM HEPES, pH 8.0, with 300 mM sodium chloride, and 10% glycerol
Molecular Mass : 61 kDa
Protein length : 2-522
Purity : ≥90% estimated by SDS-PAGE
Unit Definition : One unit of cGAS produces 1 pmole of cGAMP per minute at 37 centigrade in 80 mM Tris-HCL, pH 7.5, containing 200 mM NaCl, 20 µM ZnCL2 , and 20 mM MgCl2 with 4 µg circular DNA (3623 bp) and 0.25 mM each of GTP and ATP.
Stability : ≥ 1 year
Storage : Store at -80 centigrade
Shipping : Dry ice in continental US; may vary elsewhere
SDS-PAGE analysis of CGAS. :

Lane 1: MW Markers
Lane 2: cGAS (1 µg)
Lane 3: cGAS (2 µg)
Lane 4: cGAS (4 µg)

cGAS Activity :

GAS production of cGMP was detected using 2’3’-cGAMP ELISA Kit.

Gene Name : CGAS cyclic GMP-AMP synthase [ Homo sapiens (human) ]
Official Symbol : CGAS
Synonyms : CGAS; cyclic GMP-AMP synthase; MB21D1; h-cGAS; C6orf150; cyclic GMP-AMP synthase;2'3'-cGAMP synthase; Mab-21 domain containing 1; cGAMP synthase; mab-21 domain-containing protein 1; protein MB21D1; EC
Gene ID : 115004
mRNA Refseq : NM_138441
Protein Refseq : NP_612450
MIM : 613973
UniProt ID : Q8N884

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