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Cyclic di-GMP levels regulate other processes via a number of mechanisms. The Gluconacetobacter xylinus cellulose synthase is allosterically stimulated by cyclic di-GMP, presenting a mechanism by which cyclic di-GMP can regulate cellulose synthase activity. The PilZ domain has been shown to bind cyclic di-GMP and is believed to be involved in ...
The substrates of diguanylate cyclases (DGCs) are two molecules of guanosine triphosphate (GTP) and the products are two molecules of diphosphate and one molecule of cyclic di-3’,5’-guanylate (cyclic di-GMP). Degradation of cyclic di-GMP to guanosine monophosphate (GMP) is catalyzed by a phosphodiesterase (PDE).
Guanosine (symbol G or Guo) is a purine nucleoside comprising guanine attached to a ribose (ribofuranose) ring via a β-N 9-glycosidic bond.Guanosine can be phosphorylated to become guanosine monophosphate (GMP), cyclic guanosine monophosphate (cGMP), guanosine diphosphate (GDP), and guanosine triphosphate (GTP).
Cyclic guanosine monophosphate–adenosine monophosphate (cyclic GMP-AMP, cGAMP) is the first cyclic di-nucleotide found in metazoa. [1] In mammalian cells, cGAMP is synthesized by cyclic GMP-AMP synthase ( cGAS ) from ATP and GTP upon cytosolic DNA stimulation.
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]
Its function is to act as a diguanylate cyclase and synthesize cyclic di-GMP, which is used as an intracellular signalling molecule in a wide variety of bacteria. [1] [2] Enzymatic activity can be strongly influenced by the adjacent domains.
Guanylate cyclase (EC 4.6.1.2, also known as guanyl cyclase, guanylyl cyclase, or GC; systematic name GTP diphosphate-lyase (cyclizing; 3′,5′-cyclic-GMP-forming)) is a lyase enzyme that converts guanosine triphosphate (GTP) to cyclic guanosine monophosphate (cGMP) and pyrophosphate: [1]
Guanosine monophosphate (GMP), also known as 5′-guanidylic acid or guanylic acid (conjugate base guanylate), is a nucleotide that is used as a monomer in RNA. It is an ester of phosphoric acid with the nucleoside guanosine. GMP consists of the phosphate group, the pentose sugar ribose, and the nucleobase guanine; hence it is a ribonucleotide ...