Mostrando 721 - 740 Resultados de 17,537 Para Buscar '"Sam ', tiempo de consulta: 0.37s Limitar resultados
  1. 721
    “…In this study, we examine the characteristics of the endosymbiont-derived β-barrel insertase Sam50(1) in the excavate super-group. A candidate is further characterized in Trichomonas vaginalis, an unusual eukaryote possessing degenerate hydrogen-producing mitochondria called hydrogenosomes. …”
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  2. 722
  3. 723
    “…BACKGROUND: The nuclear protein Src-associated protein of 68 kDa in mitosis (Sam68) is known to bind RNA and be involved in cellular processes triggered in response to environmental stresses, including virus infection. …”
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  4. 724
    “…Knockdown of Sam68 sensitizes human colon cancer cells to genotoxic stress-induced apoptosis and genetic deletion of Sam68 dampens colon tumor burden in mice. …”
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  5. 725
    “…Among these post-translational modifications, C-methylations have been proposed to be catalyzed by two putative radical S-adenosylmethionine (rSAM) enzymes, PoyB and PoyC. Here we report the in vitro activity of PoyC, the first B(12)-dependent rSAM enzyme catalyzing peptide C(β)-methylation. …”
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  6. 726
    “…Furthermore, in vitro studies, using recombinant protein, show that TPMT p.Y240S is less stable than both TPMTwt and TPMT p.Y240C. The addition of SAM increases the stability and, in agreement with Isothermal Titration Calorimetry (ITC) data, higher molar excess of SAM is needed in order to stabilize TPMT p.Y240C and TPMT p.Y240S compared to TPMTwt. …”
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  7. 727
    “…Radical S-adenosylmethionine (rSAM) enzymes use a 5’-deoxyadensyl 5’-radical to methylate a wide array of diverse substrates including proteins, lipids and nucleic acids. …”
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  8. 728
  9. 729
    “…We found that SAM treatment caused a significant dose-dependent decrease in cell proliferation, invasion, migration, anchorage-independent growth and increased apoptosis in vitro. …”
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  10. 730
  11. 731
  12. 732
    “…INTERPRETATION: This study identifies TGF-β1/p65/MAT2A pathway that is involved in the regulation of intracellular SAM concentration and liver fibrogenesis, suggesting that this pathway is a potential therapeutic target for hepatic fibrosis. …”
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  13. 733
  14. 734
    “…SAM-I, SAM-I/IV, and SAM-IV are the three most commonly found SAM riboswitches, but the structure of SAM-IV is still unknown. …”
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  15. 735
  16. 736
    “…S‐Adenosyl‐L‐methionine (AdoMet) analogs in combination with methyltransferases (MTases) have proven useful to map or block and release MTase target sites, however their enzymatic generation has been limited to aliphatic groups at the sulfur atom. We engineered a SAM synthetase from Cryptosporidium hominis (PC‐ChMAT) for efficient generation of AdoMet analogs with photocaging groups that are not accepted by any WT MAT reported to date. …”
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  17. 737
    “…In this work, we designed potential SARS-CoV-2 MTase Nsp14 and Nsp16 inhibitors by using bioisosteric substitution of the sulfonium and amino acid substructures of the cosubstrate S-adenosylmethionine (SAM), which serves as the methyl donor in the enzymatic reaction. …”
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  18. 738
  19. 739
    “…The aim of this study was to determine GoodSAM’s effect on survival to hospital discharge following out-of-hospital cardiac arrest. …”
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  20. 740
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