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Träfflista för sökning "WFRF:(HALLBERG A) srt2:(2005-2009)"

Sökning: WFRF:(HALLBERG A) > (2005-2009)

  • Resultat 1-10 av 47
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1.
  • Graslund, S, et al. (författare)
  • Protein production and purification
  • 2008
  • Ingår i: Nature methods. - : Springer Science and Business Media LLC. - 1548-7105 .- 1548-7091. ; 5:2, s. 135-146
  • Tidskriftsartikel (refereegranskat)
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  • Bakali, Amin, et al. (författare)
  • Crystal structure of YegS, a homologue to the mammalian diacylglycerol kinases, reveals a novel regulatory metal binding site
  • 2007
  • Ingår i: Journal of Biological Chemistry. - 0021-9258 .- 1083-351X. ; 282:27, s. 19644-19652
  • Tidskriftsartikel (refereegranskat)abstract
    • The human lipid kinase family controls cell proliferation, differentiation, and tumorigenesis and includes diacylglycerol kinases, sphingosine kinases, and ceramide kinases. YegS is an Escherichia coli protein with significant sequence homology to the catalytic domain of the human lipid kinases. We have solved the crystal structure of YegS and shown that it is a lipid kinase with phosphatidylglycerol kinase activity. The crystal structure reveals a two-domain protein with significant structural similarity to a family of NAD kinases. The active site is located in the interdomain cleft formed by four conserved sequence motifs. Surprisingly, the structure reveals a novel metal binding site composed of residues conserved in most lipid kinases.
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  • Murugaiah, A. M. S., et al. (författare)
  • Selective angiotensin II AT(2) receptor agonists devoid of the imidazole ring system
  • 2007
  • Ingår i: Bioorganic & Medicinal Chemistry. - : Elsevier BV. - 0968-0896 .- 1464-3391. ; 15:22, s. 7166-7183
  • Tidskriftsartikel (refereegranskat)abstract
    • A versatile parallel synthetic method to obtain three series of non-cyclic analogues of the first drug-like selective angiotensin II AT2 receptor agonist (1) has been developed. In analogy with the transformation of losartan to valsartan it was demonstrated that a non-cyclic moiety could be employed as an imidazole replacement to obtain AT2 selective compounds. In all the three series, AT2 receptor ligands with affinities in the lower nanomolar range were found. None of the analogues exhibited any affinity for the AT1 receptor. Four compounds, 17, 22, 39 and 51, were examined in a neurite outgrowth cell assay. All four compounds were found to exert a high agonistic effect as deduced from their capacity to induce neurite elongation in neuronal cells, as does angiotensin II.
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  • Wu, Xiongyu, et al. (författare)
  • Selective angiotensin II AT(2) receptor agonists : Arylbenzylimidazole structure-activity relationships
  • 2006
  • Ingår i: Journal of Medicinal Chemistry. - : American Chemical Society (ACS). - 0022-2623 .- 1520-4804. ; 49:24, s. 7160-7168
  • Tidskriftsartikel (refereegranskat)abstract
    • Structural alterations in the 2- and 5-positions of the first drug-like selective angiotensin II AT(2) receptor agonist (1) have been performed. The imidazole ring system was proven to be a strong determinant for the AT(2) selectivity, and with few exceptions all variations gave good AT(2) receptor affinities and with retained high AT(2)/AT(1) selectivities. On the contrary to the findings with AT(1) receptor agonists, the impact of structural modifications in the 5-position of the AT(2) selective compounds were less pronounced regarding activation of the AT(2) receptor. The butyloxyphenyl (56) and the propylthienyl (50) derivatives were found to exert a high agonistic effect as deduced from their capacity to induce neurite elongation in neuronal cells, as does angiotensin II.
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