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'H PLC' in keywords
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1990 (1)
1983 (1)
1Author    Hector Barrabin, Leopoldo De MeisRequires cookie*
 Title    Phosphorylation of Ca-ATPase of Sarcoplasmic Reticulum with Different Substrates  
 Abstract    ATP and G TP as substrate for phosphorylation o f sarcoplasm ic reticulum A TPase are compared. Maximal levels o f phosphoenzyme are between 4.5 and 4.8 nmol per mg o f protein when either substrate is used provided that phosphoenzym e hydrolysis are strongly inhibited by high calcium concentration (20 mM) and low tem peratures (0 ° C) . T he m axim al values obtained with G TP are lower than those previously reported. It is shown that this difference is due to underestim ation o f the specific activity o f labeled nucleotides used in previous studies, as revealed by U V absorption and H PLC analysis. The dependence o f the phosphoenzyme levels on calcium concentration, pH and tem perature confirm previous findings indicating that ATP, but no G T P , accelerates the rate limiting step o f the catalytic cycle. 
  Reference    Z. Naturforsch. 38c, 845 (1983); received M arch 2 4/Ju n e 16 1983 
  Published    1983 
  Keywords    Calcium, ATPase, Sarcoplasm ic Reticulum, H PLC, N ucleotides 
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 TEI-XML for    default:Reihe_C/38/ZNC-1983-38c-0845.pdf 
 Identifier    ZNC-1983-38c-0845 
 Volume    38 
2Author    SteudelRequires cookie*
 Title    Synthesis o f Isopropoxy-C hloro-D isulfane (ROSSC1) and its R eaction with Titanocene Pentasulfide to Give (R O )2S 9 H ein ar Schm idt and R a lf  
  Reference    Z. Naturforsch. 45b, 557 (1990); received D ecem ber 27 1989 
  Published    1990 
  Keywords    Sulfur C hlorides, A liphatic A lcohols, R am an Spectra, H PLC 
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 TEI-XML for    default:Reihe_B/45/ZNB-1990-45b-0557_n.pdf 
 Identifier    ZNB-1990-45b-0557_n 
 Volume    45