SwePub
Sök i SwePub databas

  Utökad sökning

Träfflista för sökning "WFRF:(Fulton M.) srt2:(1997-1999)"

Sökning: WFRF:(Fulton M.) > (1997-1999)

  • Resultat 1-2 av 2
Sortera/gruppera träfflistan
   
NumreringReferensOmslagsbildHitta
1.
  • Dunham, I, et al. (författare)
  • The DNA sequence of human chromosome 22
  • 1999
  • Ingår i: Nature. - : Springer Science and Business Media LLC. - 0028-0836 .- 1476-4687. ; 402:6761, s. 489-495
  • Tidskriftsartikel (refereegranskat)
  •  
2.
  • Ekiel, I, et al. (författare)
  • NMR structural studies of human cystatin C dimers and monomers
  • 1997
  • Ingår i: Journal of Molecular Biology. - : Elsevier BV. - 1089-8638 .- 0022-2836. ; 271:2, s. 266-277
  • Tidskriftsartikel (refereegranskat)abstract
    • Human cystatin C undergoes dimerization before unfolding. Dimerization leads to a complete loss of its activity as a cysteine proteinase inhibitor. A similar process of dimerization has been observed in cells, and may be related to the amyloid formation seen for the L68Q variant of the protein. Dimerization is barrier controlled, and no dimer/monomer interconversion can be observed at physiological conditions. As a consequence, very stable, “trapped” dimers can be easily separated from monomers. A study of the structural aspects of cystatin C dimer formation was undertaken using NMR spectroscopy. The monomer/dimer model was verified by (pulse field gradient NMR) self-diffusion molecular mass measurements. Complete backbone resonance assignments and secondary structure determination were obtained for the monomer using data from triple resonance experiments performed on 13C/15N doubly labeled protein. A marked similarity of the cystatin C secondary structure to that of chicken cystatin was observed. Using uniformly and amino-acid-specific 15N-enriched protein, backbone NH signals were assigned for cystatin C in its dimeric state. Comparison of 1H-15N correlation NMR spectra of the monomer and dimer shows that the three-dimensional structure remains unchanged in the dimer and that only local perturbations occur. These are localized to the amino acid residues comprising the cysteine proteinase binding site. Such a mode of dimerization readily explains the complete loss of the inhibitory activity in the dimer. The NMR results also demonstrate that the dimer is symmetric.
  •  
Skapa referenser, mejla, bekava och länka
  • Resultat 1-2 av 2

Kungliga biblioteket hanterar dina personuppgifter i enlighet med EU:s dataskyddsförordning (2018), GDPR. Läs mer om hur det funkar här.
Så här hanterar KB dina uppgifter vid användning av denna tjänst.

 
pil uppåt Stäng

Kopiera och spara länken för att återkomma till aktuell vy