In biochemistry, a kinase is a type of enzyme that transfers phosphate groups from high-energy donor molecules, such as ATP, to specific target molecules (substrates); the process is termed phosphorylation.
In some settings, the purpose of phosphorylation is to "activate" or "energize" a molecule, increasing its energy so it is able to participate in a subsequent reaction with a negative free-energy change.
The largest group of kinases are Protein kinases, which act on and modify the activity of specific proteins.
en.wikipedia.org /wiki/Kinase (349 words)
Plant Gene Register PGR98-166(Site not responding. Last check: 2007-10-30)
Adenylatekinase then converts AMP into ADP, which is the substrate for the light phase of photosynthesis.
Adenylatekinases have been identified from a wide variety of sources including 27 species of archaebacteria and eubacteria, 3 species of single cell eukaryotes, 2 species of yeast, 3 species of plants, 3 species of mammals, and birds.
The upstream receptor protein kinase gene is expressed from the same strand and is extremely close to the adenylatekinase gene.
www.tarweed.com /pgr/PGR98-166.html (2099 words)
AK1(Site not responding. Last check: 2007-10-30)
Adenylatekinase 1 is essential for the maintenance of cellular energetic economy and is a key enzyme in the synthesis, equilibration and regulation of adenine nucleotides.
Isoforms of adenylatekinase are found in mitochondria, cytosol, and cellular membranes, creating an integrated phosphotransfer network.
Adenylatekinase deficiency in the erythrocyte is a rare genetic disorder associated with hemolytic anemia.
This kinase was found to be a component of the multiprotein complex TAK/P-TEFb, which is an elongation factor for RNA polymerase II-directed transcription and functions by phosphorylating the C-terminal domain of the largest subunit of RNA polymerase II.
The kinase exists as a tetramer and is composed of an alpha, an alpha-prime, and two beta subunits.
Tec family kinases are involved in the intracellular signaling mechanisms of cytokine receptors, lymphocyte surface antigens, heterotrimeric G-protein coupled receptors, and integrin molecules.
Adenylatekinase, an enzyme, is another element vital to all living organisms for the maintenance of energy pathways and metabolism.
AK technology utilises adenosine diphosphate (ADP) and microbial adenylatekinase to catalyse the production of ATP.4 Given the ability of enzymes to effect reactions without being depleted or changed in any way, it is possible to use microbial AK to generate almost unlimited amounts of its products.
3 Adenylatekinase technology is exclusively licensed to Celsis International Plc by the UK Department of Defense and Scientific Testing Laboratories (Dstl) for use in the personal care, pharmaceutical and beverage industries.
Carrari F, Coll-Garcia D, Schauer N, Lytovchenko A, Palacios-Rojas N, Balbo I, Rosso M, Fernie AR 2005 Deficiency of a plastidial adenylatekinase in Arabidopsis results in elevated photosynthetic amino acid biosynthesis and enhanced growth.
Gutierrez JA, Csonka LN 1995 Isolation and characterization of adenylatekinase (adk) mutations in Salmonella typhimurium which block the ability of glycine betaine to function as an osmoprotectant.
Hatch MD 1982 Properties and regulation of adenylatekinase from Zea mays leaf operating in C4 pathway photosynthesis.
Marra M.A. wt p53 dependent expression of a membrane-associatedisoform of adenylatekinase.
Collavin L....Schneider C. Cloning and expression of human adenylatekinase 2 isozymes: differential expression of adenylatekinase 1 and 2 in human muscle tissues.
Wang G....Liu Y.F. Red cell adenylatekinase deficiency: molecular study of 3 new mutations (118G>A,190G>A, and GAC deletion) associated with hereditary nonspherocytic hemolytic anemia.
During incubation the sample itself is diluted in growth medium so that any effects on the final assay are minimized, and any microbes present in the original sample are allowed to multiply and generate adenylatekinase and ATP.
At the end of the treatment, mold adenylatekinase will be dispersed throughout the broth and a sub-sample can be assayed in a cuvette as normal.
Similar to broth selection for ATP Bioluminescence assays, the broth used to incubate the sample must be capable of supporting growth of viable organisms, be able to neutralize any preservative systems, contain relatively low levels of ATP and have good batch to batch consistency.
Adenylatekinase phosphotransfer communicates cellular energetic signals to ATP-sensitive potassium channels -- Carrasco et al.
The Glycolytic Enzymes, Glyceraldehyde-3-phosphate Dehydrogenase, Triose-phosphate Isomerase, and Pyruvate Kinase Are Components of the KATP Channel Macromolecular Complex and Regulate Its Function
Cellular Characterization of AdenylateKinase and Its Isoform: Two-Photon Excitation Fluorescence Imaging and Fluorescence Correlation Spectroscopy
Energy Citations Database (ECD) Document #5623422 - Adenylatekinase increases adenylate cyclase activity in membranes from rat lung
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Adenylatekinase increases adenylate cyclase activity in membranes from rat lung