Research Topics
Genomes and Genes | Thomas ArnesenSummaryAffiliation: University of Bergen Country: Norway Publications
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Publications
Identification and characterization of the human ARD1-NATH protein acetyltransferase complexThomas Arnesen
Department of Molecular Biology, University of Bergen, N 5020 Bergen, Norway
Biochem J 386:433-43. 2005..This study identifies the human homologues of the yeast Ard1p and Nat1p proteins and presents new aspects of the NATH and hARD1 proteins relative to their yeast homologues...
Protein N-terminal acetylation: NAT 2007-2008 SymposiaThomas Arnesen
Department of Molecular Biology, University of Bergen, N 5020 Bergen, Norway
BMC Proc 3:S1. 2009....
A synopsis of eukaryotic Nalpha-terminal acetyltransferases: nomenclature, subunits and substratesBogdan Polevoda
Department of Biochemistry and Biophysics, University of Rochester Medical Center, Rochester, NY 14642, USA
BMC Proc 3:S2. 2009..ABSTRACT : We have introduced a consistent nomenclature for the various subunits of the NatA-NatE N-terminal acetyltransferases from yeast, humans and other eukaryotes...
A novel human NatA Nalpha-terminal acetyltransferase complex: hNaa16p-hNaa10p (hNat2-hArd1)Thomas Arnesen
Department of Molecular Biology, University of Bergen, N 5020 Bergen, Norway
BMC Biochem 10:15. 2009..In humans, the homologues hNaa15p (hNat1) and hNaa10p (hArd1) were demonstrated to form a stable ribosome associated NAT complex acetylating NatA type N-termini in vitro and in vivo...
The chaperone-like protein HYPK acts together with NatA in cotranslational N-terminal acetylation and prevention of Huntingtin aggregationThomas Arnesen
Department of Molecular Biology, University of Bergen, Thormøhlensgate 55, N 5020 Bergen, Norway
Mol Cell Biol 30:1898-909. 2010..Taken together, the data indicate that the physical interaction between HYPK and NatA seems to be of functional importance both for Htt aggregation and for N-terminal acetylation...
The protein acetyltransferase ARD1: a novel cancer drug target?Thomas Arnesen
Department of Molecular Biology, University of Bergen, N 5020 Bergen, Norway
Curr Cancer Drug Targets 8:545-53. 2008..This review focuses on the enzymatic and biological activities of hARD1, and potential mechanisms of functional inhibition...
Characterization of hARD2, a processed hARD1 gene duplicate, encoding a human protein N-alpha-acetyltransferaseThomas Arnesen
Department of Molecular Biology, University of Bergen, N 5020 Bergen, Norway
BMC Biochem 7:13. 2006..We recently described the human protein acetyltransferase hARD1 (human Arrest Defective 1). hARD1 interacts with NATH (N-Acetyl Transferase Human) forming a complex expressing protein N-terminal alpha-acetylation activity...
Induction of apoptosis in human cells by RNAi-mediated knockdown of hARD1 and NATH, components of the protein N-alpha-acetyltransferase complexT Arnesen
Department of Molecular Biology, University of Bergen, Norway
Oncogene 25:4350-60. 2006..Our results argue for an essential role of the NATH-hARD1 complex in cell survival and underscore the importance of protein N-alpha-acetylation in mammalian cells...
Cloning and characterization of hNAT5/hSAN: an evolutionarily conserved component of the NatA protein N-alpha-acetyltransferase complexThomas Arnesen
Department of Molecular Biology, University of Bergen, N 5020 Bergen, Norway
Gene 371:291-5. 2006..In summary, we present the first description of the human homologue of Nat5p/San, hNAT5, the third component of the human NatA N-alpha-acetyltransferase complex...
Towards a functional understanding of protein N-terminal acetylationThomas Arnesen
Department of Molecular Biology, University of Bergen, Bergen, Norway
PLoS Biol 9:e1001074. 2011..These contributions represent new and intriguing hypotheses that will guide the research in the years to come...
Knockdown of human N alpha-terminal acetyltransferase complex C leads to p53-dependent apoptosis and aberrant human Arl8b localizationKristian K Starheim
Department of Molecular Biology, University of Bergen, Thormøhlensgate 55, N 5020 Bergen, Norway
Mol Cell Biol 29:3569-81. 2009..Taken together, hNatC-mediated N-terminal acetylation is important for maintenance of protein function and cell viability in human cells...
Identification of the human N(alpha)-acetyltransferase complex B (hNatB): a complex important for cell-cycle progressionKristian K Starheim
Department of Molecular Biology, University of Bergen, N 5020 Bergen, Norway
Biochem J 415:325-31. 2008..In summary, we show for the first time a vertebrate NatB protein N(alpha)-acetyltransferase complex essential for normal cell proliferation...
Proteomics analyses reveal the evolutionary conservation and divergence of N-terminal acetyltransferases from yeast and humansThomas Arnesen
Department of Molecular Biology, University of Bergen, Bergen, Norway
Proc Natl Acad Sci U S A 106:8157-62. 2009..Thus, although we revealed different N-acetylation patterns in yeast and humans, the major NAT, NatA, acetylates the same substrates in both species...
Interaction between HIF-1 alpha (ODD) and hARD1 does not induce acetylation and destabilization of HIF-1 alphaThomas Arnesen
Department of Molecular Biology, University of Bergen, N 5020 Bergen, Norway
FEBS Lett 579:6428-32. 2005..Moreover, hARD1 does not acetylate and destabilize HIF-1 alpha. However, we find that hARD1 specifically binds HIF-1 alpha, suggesting a putative, still unclear, connection between these proteins...
The human N-alpha-acetyltransferase 40 (hNaa40p/hNatD) is conserved from yeast and N-terminally acetylates histones H2A and H4Kristine Hole
Department of Molecular Biology, University of Bergen, Bergen, Norway
PLoS ONE 6:e24713. 2011..Combined, our results strongly suggest that human Naa40p/NatD is conserved from yeast. Thus, the NATs of all classes of N-terminally acetylated proteins in humans now appear to be accounted for...
Depletion of the human Nα-terminal acetyltransferase A induces p53-dependent apoptosis and p53-independent growth inhibitionDarina Gromyko
Department of Molecular Biology, University of Bergen, Bergen, Norway
Int J Cancer 127:2777-89. 2010..Our findings indicate that several mechanisms of growth inhibition and apoptosis may be induced by hNatA knockdown and that hNatA knockdown could be exploited for use in combinatorial chemotherapy...
Human protein N-terminal acetyltransferase hNaa50p (hNAT5/hSAN) follows ordered sequential catalytic mechanism: combined kinetic and NMR studyRune H Evjenth
Department of Molecular Biology, University of Bergen, N 5020 Bergen, Norway
J Biol Chem 287:10081-8. 2012..This model is further strengthened by the NMR results using a catalytically inactive hNaa50p mutant...
Human Naa50p (Nat5/San) displays both protein N alpha- and N epsilon-acetyltransferase activityRune Evjenth
Department of Molecular Biology, University of Bergen, N 5020 Bergen, Norway
J Biol Chem 284:31122-9. 2009..In addition, histone 4 was detected as a hNaa50p KAT substrate in vitro. Our findings thus provide the first experimental evidence of an enzyme having both KAT and NAT activities...
Protein N-terminal acetyltransferases: when the start mattersKristian K Starheim
Department of Molecular Biology, University of Bergen, Bergen, Norway
Trends Biochem Sci 37:152-61. 2012..Here, we discuss how these recent findings shed light on NATs as major protein regulators and key cellular players...
Protein N-terminal acetyltransferases act as N-terminal propionyltransferases in vitro and in vivoHåvard Foyn
Department of Molecular Biology, University of Bergen, N 5020 Bergen, Norway
Mol Cell Proteomics 12:42-54. 2013....
HIV-1 Rev oligomerization is not obligatory in the presence of an extra basic domainClemens Furnes
Department of Molecular Biology, University of Bergen, N 5020 Bergen, Norway
Retrovirology 2:39. 2005..However, the biological significance of the obligatory complex formation of Rev upon the viral RNA is unclear...
HPLC-based quantification of in vitro N-terminal acetylationRune H Evjenth
Department of Molecular Biology, University of Bergen, Bergen, Norway
Methods Mol Biol 981:95-102. 2013..We here describe an in vitro method based on reverse-phase HPLC to quantitatively measure in vitro acetylation of NAT oligopeptide substrates, enabling the determination of NAT specificity as well as kinetic parameters...
Composition and biological significance of the human Nalpha-terminal acetyltransferasesKristian K Starheim
Department of Molecular Biology, University of Bergen, N 5020 Bergen, Norway
BMC Proc 3:S3. 2009..We here summarize the identified N-terminal acetyltransferase complexes in humans, and we review the biological studies on Nalpha-terminal acetylation in humans and other higher eukaryotes...
N-Terminal Acetylation by NatC Is Not a General Determinant for Substrate Subcellular Localization in Saccharomyces cerevisiaeHenriette Aksnes
Department of Molecular Biology, University of Bergen, Bergen, Norway
PLoS ONE 8:e61012. 2013..Furthermore, all organelle-localized substrates indicated undisrupted structures, thus suggesting that absence of NatC acetylation does not have a vast effect on organelle morphology in yeast...
The protein Nalpha-terminal acetyltransferase hNaa10p (hArd1) is phosphorylated in HEK293 cellsHiwa Målen
Department of Molecular Biology, University of Bergen, N 5020 Bergen, Norway
BMC Res Notes 2:32. 2009..In the flexible C-terminal tail of hNaa10p, there are several potential phosphorylation sites that might serve as points of regulation...
Expression of N-acetyl transferase human and human Arrest defective 1 proteins in thyroid neoplasmsThomas Arnesen
Department of Surgical Sciences, University of Bergen and Haukeland University Hospital, Norway
Thyroid 15:1131-6. 2005..SiRNA-mediated knockdown of NATH resulted in decreased levels of hARD1 protein. Taken together, these results suggest that NATH positively affects the level of hARD1 protein both in vivo and in cell cultures...
A novel type of deletion in the CDKN2A gene identified in a melanoma-prone familyStian Knappskog
Department of Medicine, Section of Oncology, Haukeland University Hospital, N 5021 Bergen, Norway
Genes Chromosomes Cancer 45:1155-63. 2006....
