Phosphorylation-Dependent Sub-Functionalization of the Calcium-Dependent Protein Kinase CPK28
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Phosphotransferase Activity of Liver Mitochondria (Oxidative Phosphorylation/Adenine Nucleotide Ni-Oxides/Substrate Specificity/In Vivo Phosphorylation) G
Proc. Nat. Acad. Sci. USA Vol. 71, No. 11, pp. 4630-4634, November 1974 Participation of N1-Oxide Derivatives of Adenine Nucleotides in the Phosphotransferase Activity of Liver Mitochondria (oxidative phosphorylation/adenine nucleotide Ni-oxides/substrate specificity/in vivo phosphorylation) G. JEBELEANU, N. G. TY, H. H. MANTSCH*, 0. BARZU, G. NIACt, AND I. ABRUDAN Department of Biochemistry, Medical and Pharmaceutical Institute, Cluj, * Institute of Chemistry, University of Cluj, Cluj, and t Department of Physical Chemistry, University of Craiova, Craiova, Romania Communicated by Henry Lardy, September 3, 1974 ABSTRACT The modified adenine nucleotides ATP- rivatives of adenine nucleotides once produced become "ac- NO, ADP-NO, and AMP-NO were tested as potential tive" components of the mitochondrial or cellular adenylate substrates and/or inhibitors of mitochondrial phospho- transferases. ADP-NO is not recognized by the translocase pool. membrane; system located in the inner mitochondrial AND METHODS however, it is rapidly phosphorylated to ATP-NO in the MATERIALS outer compartment of mitochondria, by way of the The following commercially available chemicals were used: nucleosidediplhosphate kinase (EC 2.7.4.6) reaction, pro-' de- vitded there is sufficient ATP in the mitochondria. AMP- crystalline bovine serum albumin, glucose-6-phosphate NO is not phosphorylated by liver mitochondria to the hydrogenase (Glc-6-P dehydrogenase; EC 1.1.1.49; BDH corresponding nucleoside diphosphate; it cannot serve as Chemicals, Ltd.), yeast hexokinase (EC 2.7.1.1) (Nutritional substrate for adenylate kinase (EC 2.7.4.3). ATP-NO and Biochemicals, Cleveland), (log muscle lactate dehydrogenase ADP-NO, however, are substrates of this enzyme. -
The Prevalence of MADH4 and BMPR1A Mutations in Juvenile Polyposis and Absence of BMPR2, BMPR1B, and ACVR1 Mutations
484 ORIGINAL ARTICLE J Med Genet: first published as 10.1136/jmg.2004.018598 on 2 July 2004. Downloaded from The prevalence of MADH4 and BMPR1A mutations in juvenile polyposis and absence of BMPR2, BMPR1B, and ACVR1 mutations J R Howe, M G Sayed, A F Ahmed, J Ringold, J Larsen-Haidle, A Merg, F A Mitros, C A Vaccaro, G M Petersen, F M Giardiello, S T Tinley, L A Aaltonen, H T Lynch ............................................................................................................................... J Med Genet 2004;41:484–491. doi: 10.1136/jmg.2004.018598 Background: Juvenile polyposis (JP) is an autosomal dominant syndrome predisposing to colorectal and gastric cancer. We have identified mutations in two genes causing JP, MADH4 and bone morphogenetic protein receptor 1A (BMPR1A): both are involved in bone morphogenetic protein (BMP) mediated signalling and are members of the TGF-b superfamily. This study determined the prevalence of mutations See end of article for in MADH4 and BMPR1A, as well as three other BMP/activin pathway candidate genes in a large number authors’ affiliations ....................... of JP patients. Methods: DNA was extracted from the blood of JP patients and used for PCR amplification of each exon of Correspondence to: these five genes, using primers flanking each intron–exon boundary. Mutations were determined by Dr J R Howe, Department of Surgery, 4644 JCP, comparison to wild type sequences using sequence analysis software. A total of 77 JP cases were University of Iowa College sequenced for mutations in the MADH4, BMPR1A, BMPR1B, BMPR2, and/or ACVR1 (activin A receptor) of Medicine, 200 Hawkins genes. The latter three genes were analysed when MADH4 and BMPR1A sequencing found no mutations. -
AGC Kinases in Mtor Signaling, in Mike Hall and Fuyuhiko Tamanoi: the Enzymes, Vol
Provided for non-commercial research and educational use only. Not for reproduction, distribution or commercial use. This chapter was originally published in the book, The Enzymes, Vol .27, published by Elsevier, and the attached copy is provided by Elsevier for the author's benefit and for the benefit of the author's institution, for non-commercial research and educational use including without limitation use in instruction at your institution, sending it to specific colleagues who know you, and providing a copy to your institution’s administrator. All other uses, reproduction and distribution, including without limitation commercial reprints, selling or licensing copies or access, or posting on open internet sites, your personal or institution’s website or repository, are prohibited. For exceptions, permission may be sought for such use through Elsevier's permissions site at: http://www.elsevier.com/locate/permissionusematerial From: ESTELA JACINTO, AGC Kinases in mTOR Signaling, In Mike Hall and Fuyuhiko Tamanoi: The Enzymes, Vol. 27, Burlington: Academic Press, 2010, pp.101-128. ISBN: 978-0-12-381539-2, © Copyright 2010 Elsevier Inc, Academic Press. Author's personal copy 7 AGC Kinases in mTOR Signaling ESTELA JACINTO Department of Physiology and Biophysics UMDNJ-Robert Wood Johnson Medical School, Piscataway New Jersey, USA I. Abstract The mammalian target of rapamycin (mTOR), a protein kinase with homology to lipid kinases, orchestrates cellular responses to growth and stress signals. Various extracellular and intracellular inputs to mTOR are known. mTOR processes these inputs as part of two mTOR protein com- plexes, mTORC1 or mTORC2. Surprisingly, despite the many cellular functions that are linked to mTOR, there are very few direct mTOR substrates identified to date. -
Pyruvate Kinase: Function, Regulation and Role in Cancer
Pyruvate kinase: Function, regulation and role in cancer The MIT Faculty has made this article openly available. Please share how this access benefits you. Your story matters. Citation Israelsen, William J., and Matthew G. Vander Heiden. “Pyruvate Kinase: Function, Regulation and Role in Cancer.” Seminars in Cell & Developmental Biology 43 (2015): 43–51. As Published http://dx.doi.org/10.1016/j.semcdb.2015.08.004 Publisher Elsevier Version Author's final manuscript Citable link http://hdl.handle.net/1721.1/105833 Terms of Use Creative Commons Attribution-NonCommercial-NoDerivs License Detailed Terms http://creativecommons.org/licenses/by-nc-nd/4.0/ HHS Public Access Author manuscript Author Manuscript Author ManuscriptSemin Cell Author Manuscript Dev Biol. Author Author Manuscript manuscript; available in PMC 2016 August 13. Published in final edited form as: Semin Cell Dev Biol. 2015 July ; 43: 43–51. doi:10.1016/j.semcdb.2015.08.004. Pyruvate kinase: function, regulation and role in cancer William J. Israelsena,1,* and Matthew G. Vander Heidena,b,* aKoch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA bDepartment of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA 02115, USA Abstract Pyruvate kinase is an enzyme that catalyzes the conversion of phosphoenolpyruvate and ADP to pyruvate and ATP in glycolysis and plays a role in regulating cell metabolism. There are four mammalian pyruvate kinase isoforms with unique tissue expression patterns and regulatory properties. The M2 isoform of pyruvate kinase (PKM2) supports anabolic metabolism and is expressed both in cancer and normal tissue. The enzymatic activity of PKM2 is allosterically regulated by both intracellular signaling pathways and metabolites; PKM2 thus integrates signaling and metabolic inputs to modulate glucose metabolism according to the needs of the cell. -
Casein Kinase 1 Isoforms in Degenerative Disorders
CASEIN KINASE 1 ISOFORMS IN DEGENERATIVE DISORDERS DISSERTATION Presented in Partial Fulfillment of the Requirements for the Degree Doctor of Philosophy in the Graduate School of The Ohio State University By Theresa Joseph Kannanayakal, M.Sc., M.S. * * * * * The Ohio State University 2004 Dissertation Committee: Approved by Professor Jeff A. Kuret, Adviser Professor John D. Oberdick Professor Dale D. Vandre Adviser Professor Mike X. Zhu Biophysics Graduate Program ABSTRACT Casein Kinase 1 (CK1) enzyme is one of the largest family of Serine/Threonine protein kinases. CK1 has a wide distribution spanning many eukaryotic families. In cells, its kinase activity has been found in various sub-cellular compartments enabling it to phosphorylate many proteins involved in cellular maintenance and disease pathogenesis. Tau is one such substrate whose hyperphosphorylation results in degeneration of neurons in Alzheimer’s disease (AD). AD is a slow neuroprogessive disorder histopathologically characterized by Granulovacuolar degeneration bodies (GVBs) and intraneuronal accumulation of tau in Neurofibrillary Tangles (NFTs). The level of CK1 isoforms, CK1α, CK1δ and CK1ε has been shown to be elevated in AD. Previous studies of the correlation of CK1δ with lesions had demonstrated its importance in tau hyperphosphorylation. Hence we investigated distribution of CK1α and CK1ε with the lesions to understand if they would play role in tau hyperphosphorylation similar to CK1δ. The kinase results were also compared with lesion correlation studies of peptidyl cis/trans prolyl isomerase (Pin1) and caspase-3. Our results showed that among the enzymes investigated, CK1 isoforms have the greatest extent of colocalization with the lesions. We have also investigated the distribution of CK1α with different stages of NFTs that follow AD progression. -
A Calcium- and Calmodulin-Dependent Kinase I␣/ Microtubule Affinity Regulating Kinase 2 Signaling Cascade Mediates Calcium-Dependent Neurite Outgrowth
The Journal of Neuroscience, April 18, 2007 • 27(16):4413–4423 • 4413 Cellular/Molecular A Calcium- and Calmodulin-Dependent Kinase I␣/ Microtubule Affinity Regulating Kinase 2 Signaling Cascade Mediates Calcium-Dependent Neurite Outgrowth Nataliya V. Uboha,1 Marc Flajolet,2 Angus C. Nairn,1,2 and Marina R. Picciotto1 1Department of Psychiatry, Yale University School of Medicine, New Haven, Connecticut 06508, and 2Laboratory of Molecular and Cellular Neuroscience, The Rockefeller University, New York, New York 10021 Calcium is a critical regulator of neuronal differentiation and neurite outgrowth during development, as well as synaptic plasticity in adulthood. Calcium- and calmodulin-dependent kinase I (CaMKI) can regulate neurite outgrowth; however, the signal transduction cascades that lead to its physiological effects have not yet been elucidated. CaMKI␣ was therefore used as bait in a yeast two-hybrid assay and microtubule affinity regulating kinase 2 (MARK2)/Par-1b was identified as an interacting partner of CaMKI in three independent screens. The interaction between CaMKI and MARK2 was confirmed in vitro and in vivo by coimmunoprecipitation. CaMKI binds MARK2 within its kinase domain, but only if it is activated by calcium and calmodulin. Expression of CaMKI and MARK2 in Neuro-2A (N2a) cells and in primary hippocampal neurons promotes neurite outgrowth, an effect dependent on the catalytic activities of these enzymes. In addition, decreasing MARK2 activity blocks the ability of the calcium ionophore ionomycin to promote neurite outgrowth. Finally, CaMKI phosphorylates MARK2 on novel sites within its kinase domain. Mutation of these phosphorylation sites decreases both MARK2 kinase activity and its ability to promote neurite outgrowth. -
Kinome Profiling of Clinical Cancer Specimens
Published OnlineFirst March 23, 2010; DOI: 10.1158/0008-5472.CAN-09-3989 Review Cancer Research Kinome Profiling of Clinical Cancer Specimens Kaushal Parikh and Maikel P. Peppelenbosch Abstract Over the past years novel technologies have emerged to enable the determination of the transcriptome and proteome of clinical samples. These data sets will prove to be of significant value to our elucidation of the mechanisms that govern pathophysiology and may provide biological markers for future guidance in person- alized medicine. However, an equally important goal is to define those proteins that participate in signaling pathways during the disease manifestation itself or those pathways that are made active during successful clinical treatment of the disease: the main challenge now is the generation of large-scale data sets that will allow us to define kinome profiles with predictive properties on the outcome-of-disease and to obtain insight into tissue-specific analysis of kinase activity. This review describes the current techniques available to gen- erate kinome profiles of clinical tissue samples and discusses the future strategies necessary to achieve new insights into disease mechanisms and treatment targets. Cancer Res; 70(7); 2575–8. ©2010 AACR. Background the current state of the cell or tissue as characterized by pro- teomic and metabolic measurements (3). The past five years have seen an exponential increase in In this review we describe and evaluate the various tech- technological development to explore the genome and the niques that have recently become available to study the ki- proteome to understand the molecular basis of disease. How- nomes of clinical tissue samples. -
RAF Protein-Serine/Threonine Kinases: Structure and Regulation
Biochemical and Biophysical Research Communications 399 (2010) 313–317 Contents lists available at ScienceDirect Biochemical and Biophysical Research Communications journal homepage: www.elsevier.com/locate/ybbrc Mini Review RAF protein-serine/threonine kinases: Structure and regulation Robert Roskoski Jr. * Blue Ridge Institute for Medical Research, 3754 Brevard Road, Suite 116, Box 19, Horse Shoe, NC 28742, USA article info abstract Article history: A-RAF, B-RAF, and C-RAF are a family of three protein-serine/threonine kinases that participate in the Received 12 July 2010 RAS-RAF-MEK-ERK signal transduction cascade. This cascade participates in the regulation of a large vari- Available online 30 July 2010 ety of processes including apoptosis, cell cycle progression, differentiation, proliferation, and transforma- tion to the cancerous state. RAS mutations occur in 15–30% of all human cancers, and B-RAF mutations Keywords: occur in 30–60% of melanomas, 30–50% of thyroid cancers, and 5–20% of colorectal cancers. Activation 14-3-3 of the RAF kinases requires their interaction with RAS-GTP along with dephosphorylation and also phos- ERK phorylation by SRC family protein-tyrosine kinases and other protein-serine/threonine kinases. The for- GDC-0879 mation of unique side-to-side RAF dimers is required for full kinase activity. RAF kinase inhibitors are MEK Melanoma effective in blocking MEK1/2 and ERK1/2 activation in cells containing the oncogenic B-RAF Val600Glu PLX4032 activating mutation. RAF kinase inhibitors lead to the paradoxical increase in RAF kinase activity in cells PLX4720 containing wild-type B-RAF and wild-type or activated mutant RAS. -
Phosphoenolpyruvate-Dependent Phosphotransferase System in Lactobacillus Casei BRUCE M
JOURNAL OF BACTERIOLOGY, June 1983, p. 1204-1214 Vol. 154, No. 3 0021-9193/83/061204-11$02.00/0 Copyright C 1983, American Society for Microbiology Regulation and Characterization of the Galactose- Phosphoenolpyruvate-Dependent Phosphotransferase System in Lactobacillus casei BRUCE M. CHASSY* AND JOHN THOMPSON Microbiology Section, Laboratory of Microbiology and Immunology, National Institute of Dental Research, Bethesda, Maryland 20205 Received 8 November 1982/Accepted 5 March 1983 Cells ofLactobacillus casei grown in media containing galactose or a metaboliz- able ,-galactoside (lactose, lactulose, or arabinosyl-P-D-galactoside) were in- duced for a galactose-phosphoenolpyruvate-dependent phosphotransferase sys- tem (gal-PTS). This high-affinity system (Km for galactose, 11 ,uM) was inducible in eight strains examined, which were representative of all five subspecies of L. casei. The gal-PTS was also induced in strains defective in glucose- and lactose- phosphoenolpyruvate-dependent phosphotransferase systems during growth on galactose. Galactose 6-phosphate appeared to be the intracellular inducer of the gal-PTS. The gal-PTS was quite specific for D-galactose, and neither glucose, lactose, nor a variety of structural analogs of galactose caused significant inhibition of phosphotransferase system-mediated galactose transport in intact cells. The phosphoenolpyruvate-dependent phosphorylation of galactose in vitro required specific membrane and cytoplasmic components (including enzyme Illgal), which were induced only by growth of the cells on galactose or ,B- galactosides. Extracts prepared from such cells also contained an ATP-dependent galactokinase which converted galactose to galactose 1-phosphate. Our results demonstrate the separate identities of the gal-PTS and the lactose-phosphoenol- pyruvate-dependent phosphotransferase system in L. -
Protein Kinases Phosphorylation/Dephosphorylation Protein Phosphorylation Is One of the Most Important Mechanisms of Cellular Re
Protein Kinases Phosphorylation/dephosphorylation Protein phosphorylation is one of the most important mechanisms of cellular responses to growth, stress metabolic and hormonal environmental changes. Most mammalian protein kinases have highly a homologous 30 to 32 kDa catalytic domain. • Most common method of reversible modification - activation and localization • Up to 1/3 of cellular proteins can be phosphorylated • Leads to a very fast response to cellular stress, hormonal changes, learning processes, transcription regulation .... • Different than allosteric or Michealis Menten regulation Protein Kinome To date – 518 human kinases known • 50 kinase families between yeast, invertebrate and mammaliane kinomes • 518 human PKs, most (478) belong to single super family whose catalytic domain are homologous. • Kinase dendrogram displays relative similarities based on catalytic domains. • AGC (PKA, PKG, PKC) • CAMK (Casein kinase 1) • CMGC (CDC, MAPK, GSK3, CLK) • STE (Sterile 7, 11 & 20 kinases) • TK (Tryosine kinases memb and cyto) • TKL (Tyrosine kinase-like) • Phosphorylation stabilized thermodynamically - only half available energy used in adding phosphoryl to protein - change in free energy forces phosphorylation reaction in one direction • Phosphatases reverse direction • The rate of reaction of most phosphatases are 1000 times faster • Phosphorylation occurs on Ser/The or Tyr • What differences occur due to the addition of a phosphoryl group? • Regulation of protein phosphorylation varies depending on protein - some turned on or off -
Analysis of Protein Kinase Domain and Tyrosine Kinase Or Serine/Threonine Kinase Signatures Involved in Lung Cancer
Analysis of Protein Kinase Domain and Tyrosine Kinase Or serine/Threonine Kinase Signatures Involved In Lung Cancer Lung cancer results when normal check and balance system of cell division is disrupted and ultimately the cells divide and proliferate in an uncontrollable manner forming a mass of cells in our body, known as tumor. Frequent mutations in Protein Kinase Domain alter the process of phosphorylation which results in abnormality in regulations of cell apoptosis and differentiation. Tyrosine Protein kinases and Serine/Threonine Protein Kinases are the two s t broad classes of protein kinases in accordance to their substrate specificity. The study of n i r Tyrosine protein kinase and serine Kinase coding regions have the importance of sequence P and structure determinants of cancer-causing mutations from mutation-dependent activation e r P process. In the present study, we analyzed huge amounts of data extracted from various biological databases and NCBI. Out of the 534 proteins that may play a role in lung cancer, 71 proteins were selected that are likely to be actively involved in lung cancer. These proteins were evaluated by employing Multiple Sequence Alignment and a Phylogenetic tree was constructed using Neighbor-Joining Algorithm. From the constructed phylogenetic tree, protein kinase domain and motif study was performed. The results of this study revealed that the presence of Protein Kinase Domain and Tyrosine or Serine/Threonine Kinase signatures in some of the proteins are mutated, which play a dominant role in the pathogenesis of Lung Cancer and these may be addressed with the help of inhibitors to develop an efficient anticancer drugs. -
Determination of Hexokinase and Other Enzymes Which Possibly Phosphorylate Fructose in Neurospora Crassa
Fungal Genetics Reports Volume 8 Article 23 Determination of hexokinase and other enzymes which possibly phosphorylate fructose in Neurospora crassa W. Klingmuller H. G. Truper Follow this and additional works at: https://newprairiepress.org/fgr This work is licensed under a Creative Commons Attribution-Share Alike 4.0 License. Recommended Citation Klingmuller, W., and H.G. Truper (1965) "Determination of hexokinase and other enzymes which possibly phosphorylate fructose in Neurospora crassa," Fungal Genetics Reports: Vol. 8, Article 23. https://doi.org/ 10.4148/1941-4765.2129 This Technical Note is brought to you for free and open access by New Prairie Press. It has been accepted for inclusion in Fungal Genetics Reports by an authorized administrator of New Prairie Press. For more information, please contact [email protected]. Determination of hexokinase and other enzymes which possibly phosphorylate fructose in Neurospora crassa Abstract Determination of hexokinase and other enzymes which possibly phosphorylate fructose in Neurospora crassa This technical note is available in Fungal Genetics Reports: https://newprairiepress.org/fgr/vol8/iss1/23 silky sheen is usually observed when CI suspension of the crystals is agitated; the silky appearance is usually IX)+ present on initial crystallization. It is apparent that an enormous number of variations is possible in carrying out the described procedure. It is therefore of in- terest that each of the twelve systems with which we hove tried this method has allowed crystallization without recourse to changes in pH,temperotwe or other conditions except for the inclusion of a mercaptan where warranted. Ox experience at this time in- cludes dehydrogemses, decarboxylases, transferases and protein hornwnes and involves proteins usucllly sensitive to room tempero- tire, proteins with high and low polysoccharide content and complexes of more than one protein.