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  • ATP sulphurylase  (1)
  • Dimethylsulfoxide  (1)
  • 1
    Digitale Medien
    Digitale Medien
    Cloning and characterisation of the adenosyl phosphosulphate kinase gene from Aspergillus nidulans (1997)
    Springer
    Current genetics 32 (1997), S. 408-412 
    Details
    ISSN: 1432-0983
    Schlagwort(e): Key words APS kinase ; ATP sulphurylase ; Aspergillus nidulans ; Allosteric inhibition
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Abstract The sD gene of Aspergillus nidulans has been cloned by heterologous screening of rationally selected cosmids. Co-transformation of the sD50 mutant JMP1 confirmed the presence of a functional gene. Sequence analysis determined this gene to be 680 bp in length, containing a 59-bp intron and encoding a protein of 206 amino acids. A protein-sequence comparison revealed a similarity to the C-terminal region of ATP sulphurylase, the sC gene product. Further sequence comparison revealed differences in a consensus sequence ATP-binding motif, indicating non-functionality of the APS kinase-like domain of ATP sulphurylase, and confirms sD as the gene encoding APS kinase in A. nidulans.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/s002940050295
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    A thallium-205 NMR study of thallium acetate ion association in 2,2,2-trifluoroethanol and dimethylsulfoxide (1982)
    Springer
    Journal of solution chemistry 11 (1982), S. 379-386 
    Details
    ISSN: 1572-8927
    Schlagwort(e): Dimethylsulfoxide ; thallium acetate ; trifluoroethanol ; Tl-205 NMR chemical shifts
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Chemie und Pharmazie
    Notizen: Abstract The association of thallium acetate ion in 2,2,2-trifluoroethanol and dimethyl-sulfoxide has been investigated by thallium-205 NMR spectroscopy. Analysis of the association constants as a function of temperature indicates that in trifluoroethanol the association enthalpy and entropy are, respectively, 1.6 kcal-mol−1 and 19.3 cal-mol−1-K−1 and in dimethylsulfoxide they are-0.99 kcal-mol−1 and 18.0 cal-mol−1-K−1. Examination of the temperature dependence of the chemical shift of the ion-pair reveals that in dimethylsulfoxide the ion-pair exists as a contact species, while in trifluoroethanol the solvent-separated ion-pair is more likely.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00649036
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