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Cyclic guanosine monophosphate (cGMP) is a cyclic nucleotide derived from guanosine triphosphate (GTP). cGMP acts as a second messenger much like cyclic AMP.Its most likely mechanism of action is activation of intracellular protein kinases in response to the binding of membrane-impermeable peptide hormones to the external cell surface. [1]
In mammalian cells, cGAMP is synthesized by cyclic GMP-AMP synthase from ATP and GTP upon cytosolic DNA stimulation. [2] cGAMP produced by cGAS contains mixed phosphodiester linkages, with one between 2'-OH of GMP and 5'-phosphate of AMP and the other between 3'-OH of AMP and 5'-phosphate of GMP. [3] [4] [5] [6]
A cyclic nucleotide (cNMP) is a single-phosphate nucleotide with a cyclic bond arrangement between the sugar and phosphate groups. Like other nucleotides, cyclic nucleotides are composed of three functional groups: a sugar, a nitrogenous base , and a single phosphate group.
cAMP represented in three ways Adenosine triphosphate. Cyclic adenosine monophosphate (cAMP, cyclic AMP, or 3',5'-cyclic adenosine monophosphate) is a second messenger, or cellular signal occurring within cells, that is important in many biological processes. cAMP is a derivative of adenosine triphosphate (ATP) and used for intracellular signal transduction in many different organisms ...
The GTP form of the α subunit of transducin (G t) activates the cyclic GMP phosphodiesterase from retinal rod outer segments, [3] and the GTP form of the α subunit of the stimulatory G protein (G s) activates hormone-sensitive adenylate cyclase. [4] [5] More than one type of G protein co-exist in the same tissue. For example, in adipose ...
Cyclic GMP-AMP (cGAMP) is a cyclic dinucleotide (CDN) and the first to be found in metazoans. Other CDNs (c-di-GMP and c-di-AMP) are commonly found in bacteria, archaea, and protozoa. As the name suggests, cGAMP is cyclic molecule composed of one Adenine monophosphate (AMP) and one Guanine monophosphate (GMP) connected by two phosphodiester bonds.
Examples of second messenger molecules include cyclic AMP, cyclic GMP, inositol triphosphate, diacylglycerol, and calcium. [2] First messengers are extracellular factors, often hormones or neurotransmitters, such as epinephrine, growth hormone, and serotonin.
214763 Ensembl ENSG00000164430 ENSMUSG00000032344 UniProt Q8N884 Q8C6L5 RefSeq (mRNA) NM_138441 NM_173386 RefSeq (protein) NP_612450 NP_775562 Location (UCSC) Chr 6: 73.41 – 73.45 Mb Chr 9: 78.34 – 78.35 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse Cyclic GMP-AMP synthase is a protein that in humans is encoded by the CGAS gene. It's an enzyme, a nucleotidyltransferase, a ...