Amino acid sequence of a ferredoxin from thermoacidophilic archaebacteria, Thermoplasma acidophilum

Authors:
  • SWS. Wakabayashi
    S. Wakabayashi
  • NFN. Fujimoto
    N. Fujimoto
  • KWK. Wada
    K. Wada
  • HMH. Matsubara
    H. Matsubara
  • LKL. Kerscher
    L. Kerscher
  • DOD. Oesterhelt
    D. Oesterhelt

Abstract
The amino acid sequence of Thermoplasma acidophilum was determined by various conventional techniques. It is composed of 142 amino acid residues including 9 cysteines. One of the two cysteine clusters shows exactly the same cysteine distribution as clostridial ferredoxins, but the other shows a unique distribution. Comparison of various archaebacterial ferredoxins suggests multiple origins.

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