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1985 (1)
1Author    Wilhelm Hasselbach, A. Ndrea Migala, Gafni, P. D. BoyerRequires cookie*
 Title    Invariance of Stoichiometry of the Sarcoplasmic Reticulum Calcium Pump at Physiological Calcium Concentrations — a Reevaluation  
 Abstract    The decline of the transport ratio of the sarcoplasmic calcium pump observed in a recent study (A. results from the retardation of calcium oxalate precipitation at low calcium/protein ratios. The prevailing high internal calcium level supports a rapid calcium backflux and a compensatory ATP hydrolysis during net calcium uptake which reduces the transport ratio. Yet, the determined calcium back­ flux does not fully account for the decline of the transport ratio. A supposed modulation of the stoichiometry of the pump by external calcium (0.1 ^m) is at variance with results of previous studies showing a constant transport ratio of two in the same calcium concentration range. 
  Reference    Z. Naturforsch. 40c, 571—575 (1985); received May 20 1985 
  Published    1985 
  Keywords    Sarcoplasmic Reticulum, Calcium Pump, Stoichiometry 
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 TEI-XML for    default:Reihe_C/40/ZNC-1985-40c-0571.pdf 
 Identifier    ZNC-1985-40c-0571 
 Volume    40