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  • Articles: DFG German National Licenses  (2)
  • Electronic Resource  (2)
  • 1975-1979  (2)
  • 1930-1934
  • 1870-1879
  • Mitochondrial rRNA  (1)
  • Myoglobin, deoxygenated, quadrupole splitting  (1)
Source
  • Articles: DFG German National Licenses  (2)
Material
  • Electronic Resource  (2)
Years
  • 1975-1979  (2)
  • 1930-1934
  • 1870-1879
Year
Keywords
  • 1
    Electronic Resource
    Electronic Resource
    Temperature-sensitive nuclear mutants of Neurospora crassa deficient in mitochondrial ribosomes (1979)
    Springer
    Current genetics 1 (1979), S. 1-7 
    Details
    ISSN: 1432-0983
    Keywords: Mitochondrial rRNA ; Nuclear/mitochondrial interactions
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary We have isolated two non-allelic nuclear mutants of Neurospora crassa that are temperature-sensitive for the production of cytochromes aa 3 and b. When grown at 23 °C the mutants are virtually indistinguishable from the parent wild-type strains. When grown at 41 °C the mutants have large amounts of KCN-insensitive respiration and lack cytochromes aa 3 and b. Further examination of the mutants revealed that they were extremely deficient in their capacity for mitochondrial protein synthesis when grown at 41 °C. This protein synthesis deficiency appears to be related to a virtual absence of both small and large mitochondrial ribosomal subunits following growth at 41 °C. Examination of the mitochondrial RNAs of the mutants suggests that mitochondrial rRNAs are synthesized in greatly reduced amounts or that they are misprocessed when these mutants are grown at the non-permissive temperature.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00413301
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    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    Molecular structure, quadrupole splitting, and magnetic susceptibility of iron in deoxygenated myoglobin and hemoglobin (1975)
    Springer
    Theoretical chemistry accounts 37 (1975), S. 89-104 
    Details
    ISSN: 1432-2234
    Keywords: Myoglobin, deoxygenated, quadrupole splitting ; Hemoglobin, deoxygenated, quadrupole splitting
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract For three stereo-structural models of deoxymyoglobin (Mb) and deoxyhemoglobin (Hb) we derive electronic configurations and their mutual spin-orbit coupling. From the temperature dependent molecular electric field gradient (EFG) tensor we calculate temperature dependent quadrupole splittings, ΔE q(T), asymmetry parameters, η(T), and orientations of the EFG component V zz(T) with respect to the heme group. Comparing theoretical and experimental data we find a molecular electronic structure, which then is used to compute temperature dependent magnetic susceptibilities, χ(T). Theoretical and experimental χ(T) data are in reasonable agreement. From the consistency of our model calculations with experimental results we conclude that iron in Mb and Hb probably is pentacoordinated and considerably out of the heme plane by 0.4–0.8 Å.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00549562
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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