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1995 (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