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'Iron sulfur proteins' in keywords
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1995 (1)
1978 (1)
1Author    Moshe Belinskii, Ivano Bertini2, Oleg Galas2, Claudio Luchinat3Requires cookie*
 Abstract    h e E le c tro n ic S tr u c t u r e o f th e F e 4S4 + C lu s te r in P r o te in s : T h e I m p o r ta n c e o f D o u b le E x c h a n g e P a r a m e te r Dedicated to Prof. Hitoshi Ohtaki on the occasion of his 60th birthday The recently obtained Mössbauer and EPR parameters of the Fe4S4+ polymetallic center in the High Potential Iron-Sulfur Protein (HiPIP) II from E. halophila have been reproduced with models based on pure Heisenberg exchange. The role of double exchange versus ./-inequivalence is dis­ cussed. An evaluation of the upper limit of the double exchange parameter in the Fe4S |+ bimetallic center is also presented. The present calculations shed further light on the electronic structure of the Fe4S4+ center. 
  Reference    Z. Naturforsch. 50a, 75—80 (1995); received September 21 1994 
  Published    1995 
  Keywords    Heisenberg exchange, Double exchange, Iron-sulfur proteins 
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 TEI-XML for    default:Reihe_A/50/ZNA-1995-50a-0075.pdf 
 Identifier    ZNA-1995-50a-0075 
 Volume    50 
2Author    R. Thauer, H. Schirrmacher, W. Schymanski, P. SchönheitRequires cookie*
 Title    A Rapid Procedure for the Purification of Ferredoxin from Spinach Using Polyethyleneimine  
 Abstract    A rapid procedure for the purification of ferredoxin from spinach is described, which is based on the finding that ferredoxins can be precipitated with polyethyleneimines from acetone containing solutions. The ferredoxin was obtained in high yields (25 — 35 mg/kg spinach) and high purity (A 420/ A 27S= O . 4 7) within less than 8 hours. 
  Reference    Z. Naturforsch. 33c, 495—497 (1978); received M ay 17 1978 
  Published    1978 
  Keywords    Ferredoxin, Iron-Sulfur Proteins, Spinach, Photosynthesis, Polyethyleneimine 
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 TEI-XML for    default:Reihe_C/33/ZNC-1978-33c-0495.pdf 
 Identifier    ZNC-1978-33c-0495 
 Volume    33