adenosine triphosphate

adenosine triphosphate
Name	Adenosine triphosphate
Formula	C10H16N5O13P3
Molar mass	507.18 g·mol−1
Solubility	Soluble in water

adenosine triphosphate

Adenosine triphosphate is a nucleotide that serves as a primary energy carrier in living cells, central to metabolism and signal transduction. It participates in diverse processes from muscle contraction to biosynthesis, and interfaces with major pathways studied across institutions such as Massachusetts Institute of Technology, University of Cambridge, Max Planck Society, Harvard University, and Stanford University. Researchers at organizations like National Institutes of Health, Wellcome Trust, Howard Hughes Medical Institute, European Molecular Biology Laboratory, and Riken have characterized its roles using techniques developed at Cold Spring Harbor Laboratory, Salk Institute, and Lawrence Berkeley National Laboratory.

Structure and chemical properties

The molecule comprises an adenine base found in texts by Alexander Fleming alongside a ribose sugar and three phosphate groups linked by phosphoanhydride bonds, details elucidated with methods from X-ray crystallography at Royal Institution and Diamond Light Source, and with nuclear magnetic resonance spectroscopy pioneered at ETH Zurich and University of California, Berkeley. Its empirical formula and stereochemistry were refined in studies associated with Royal Society publications and with instrumentation from National Physical Laboratory and Brookhaven National Laboratory. The high-energy character of the terminal phosphoanhydride bond was quantified in thermodynamic analyses similar to those by James Watson and Francis Crick teams, and the UV absorbance properties link to spectrophotometry protocols used at American Chemical Society meetings. Solubility and stability parameters are reported in handbooks produced by IUPAC and tested in labs at Tokyo University and University of Toronto.

Biological roles and metabolism

ATP functions as the immediate donor of chemical energy for processes studied in model organisms like Drosophila melanogaster, Saccharomyces cerevisiae, Escherichia coli, Arabidopsis thaliana, and Caenorhabditis elegans, and it fuels activities characterized in work from Max Planck Institute for Molecular Genetics and Broad Institute. It provides phosphate groups for kinases described in literature from Cold Spring Harbor Laboratory and modulates motor proteins such as myosin, kinesin, and dynein, with experimental systems developed at Rockefeller University and University of Oxford. ATP is central to nucleic acid synthesis in experiments by teams at National Cancer Institute and to membrane transport mechanisms investigated at Johns Hopkins University and Imperial College London. Cellular energy charge concepts are traced in reviews from Royal Society of Chemistry and discussed at conferences hosted by American Society for Biochemistry and Molecular Biology.

ATP synthesis and cellular respiration

Synthesis pathways include substrate-level phosphorylation observed in glycolysis research from University of Göttingen and oxidative phosphorylation characterized in mitochondria studies by groups at Cleveland Clinic, Max Planck Institute for Biology of Ageing, and University of Wisconsin–Madison. The chemiosmotic theory advanced by work at University of British Columbia and University of California, San Diego explains ATP synthase function, a rotor-stator enzyme examined in single-molecule studies at University of Basel and University of Geneva. Photosynthetic ATP production in chloroplasts links to research by Royal Botanic Gardens, Kew and findings from California Institute of Technology teams working on the photosystems. Anaerobic ATP production pathways were delineated in microbial studies conducted at Institut Pasteur and Wadsworth Center.

Regulation and signaling functions

Beyond energy transfer, ATP acts as a substrate for kinases catalogued in databases curated by European Bioinformatics Institute and as an extracellular signaling ligand for purinergic receptors discovered in studies led by investigators at Karolinska Institute and University College London. Intracellular ATP levels influence ion channels characterized by researchers at Vanderbilt University and University of Pennsylvania, and they affect apoptosis pathways explored at Dana-Farber Cancer Institute and Memorial Sloan Kettering Cancer Center. Allosteric regulation of metabolic enzymes by ATP was reported in biochemical work from University of Chicago and University of Michigan, and ATP-dependent chromatin remodeling complexes were identified in studies at Cold Spring Harbor Laboratory and Institute of Cancer Research.

Clinical significance and pathology

Alterations in ATP production or utilization are implicated in disorders investigated at Mayo Clinic, Cleveland Clinic, National Health Service, Karolinska University Hospital, and Johns Hopkins Hospital. Mitochondrial diseases affecting oxidative phosphorylation have been diagnosed and studied in consortia involving European Molecular Genetics Quality Network and Children's Hospital of Philadelphia. Ischemia-related ATP depletion in heart attacks and strokes is the focus of clinical trials registered with Food and Drug Administration and treatment protocols discussed at American Heart Association. Pharmacological modulation of ATP-dependent targets is a strategy used by pharmaceutical companies such as Pfizer, Roche, Novartis, GlaxoSmithKline, and AstraZeneca in drug discovery programs. Diagnostic assays measuring ATP levels are implemented in clinical labs affiliated with LabCorp and Quest Diagnostics.

Historical discovery and research methods

Foundational biochemical observations were made in early 20th-century laboratories including those at University of Leipzig and University of Stockholm, with pivotal experiments carried out by researchers associated with institutions like University of London and University of Edinburgh. Techniques such as ultracentrifugation from Cold Spring Harbor Laboratory, chromatography from Columbia University, mass spectrometry developed at Lawrence Livermore National Laboratory, and cryo-electron microscopy advanced at European Molecular Biology Laboratory and Janelia Research Campus have progressively refined understanding. Seminal reviews and Nobel lectures delivered at Royal Swedish Academy of Sciences and symposia at Gordon Research Conferences document the evolving methodologies and theoretical frameworks that shaped current ATP research.

Category:Nucleotides