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Immunological detection of the mitochondrial F1‐ATPase α subunit in the matrix of rat liver peroxisomes

Cuezva, J. M. ; Santarén, J. F. ; González, P. ; Valcarce, C. ; Luis, A. M. ; Izquierdo, J. M.

FEBS Letters, 17 September 1990, Vol.270(1-2), pp.71-75 [Tạp chí có phản biện]

ISSN: 0014-5793 ; E-ISSN: 1873-3468 ; DOI: 10.1016/0014-5793(90)81237-I

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  • Nhan đề:
    Immunological detection of the mitochondrial F1‐ATPase α subunit in the matrix of rat liver peroxisomes
  • Tác giả: Cuezva, J. M. ; Santarén, J. F. ; González, P. ; Valcarce, C. ; Luis, A. M. ; Izquierdo, J. M.
  • Chủ đề: Α-F 1 Atpase ; Molecular Chaperone ; Peroxisome ; Mitochondria ; Immunoelectron Microscopy ; Subcellular Fractionation ; Rat Liver
  • Là 1 phần của: FEBS Letters, 17 September 1990, Vol.270(1-2), pp.71-75
  • Mô tả: Rat liver peroxisomes contain in their matrix the α‐subunit of the mitochondrial F‐ATPase complex. The identification of this protein in liver peroxisomes has been achieved by immunoelectron microscopy and subcellular fractionation. No β‐subunit of the mitochondrial F‐ATPase complex was detected in the peroxisomal fractions obtained in sucrose gradients or in Nycodenz pelletted peroxisomes. The consensus peroxisomal targeting sequence (Ala‐Lys‐Leu) is found at the carboxy terminus of the mature α‐subunit from bovine heart and rat liver mitochondria. Due to the dual subcellular localization of the α‐subunit and to the structural homologies that exist between this protein and molecular chaperones [(1990) Biol. Chem. 265, 7713‐7716] it is suggested that the protein should perform another functional role(s) in both organelles, plus to its characteristic involvement in the regulation of mitochondrial ATPase activity.
  • Số nhận dạng: ISSN: 0014-5793 ; E-ISSN: 1873-3468 ; DOI: 10.1016/0014-5793(90)81237-I

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