Human Airway Ecto-adenylate Kinase
نویسندگان
چکیده
منابع مشابه
Human airway ecto-adenylate kinase. A mechanism to propagate ATP signaling on airway surfaces.
Mechanically induced ATP release from human airway epithelial cells regulates mucociliary clearance through cell surface nucleotide receptors. Ectoenzymes detected on these cells were recently shown to terminate ATP-mediated responses by sequential dephosphorylation of extracellular ATP into ADP, AMP, and adenosine. We now demonstrate that an ecto-adenylate kinase (ecto-AK) contributes to the m...
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Adenylate kinases (ADK) are ubiquitous enzymes that contribute to the homeostasis of adeninenucleotides in living cells. In this study, the cloning of a cDNA encoding an adenylate kinase from the filariaOnchocerca volvulus has been described. Using PCR technique, a 281 bp cDNA fragment encoding part ofan adenylate kinase was isolated from an O. volvulus cDNA library. Use of this fragment as a p...
متن کاملThe crystal structure of human adenylate kinase 6: An adenylate kinase localized to the cell nucleus.
Adenylate kinases (AKs) play important roles in nucleotide metabolism in all organisms and in cellular energetics by means of phosphotransfer networks in eukaryotes. The crystal structure of a human AK named AK6 was determined by in-house sulfur single-wavelength anomalous dispersion phasing methods and refined to 2.0-A resolution with a free R factor of 21.8%. Sequence analyses revealed that h...
متن کاملmolecular cloning of adenylate kinase from the human filarial parasite onchocerca volvulus
adenylate kinases (adk) are ubiquitous enzymes that contribute to the homeostasis of adeninenucleotides in living cells. in this study, the cloning of a cdna encoding an adenylate kinase from the filariaonchocerca volvulus has been described. using pcr technique, a 281 bp cdna fragment encoding part ofan adenylate kinase was isolated from an o. volvulus cdna library. use of this fragment as a p...
متن کاملSecreted and cell-associated adenylate kinase and nucleoside diphosphokinase contribute to extracellular nucleotide metabolism on human airway surfaces.
5'-Nucleoside triphosphates (NTP) are present in the liquid covering airway surfaces and mediate important physiologic events through their interaction with P2-nucleotide receptors. Activation of airway P2Y(2) receptors, for example, stimulates ciliary beat frequency, chloride/liquid secretion, and goblet cell degranulation. We, therefore, have studied the metabolic pathways that regulate the c...
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ژورنال
عنوان ژورنال: Journal of Biological Chemistry
سال: 2003
ISSN: 0021-9258
DOI: 10.1074/jbc.m208071200