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    Wyświetlanie 1-3 z 3
    Tytuł:
    Genetic variation in the mitochondrial cytochrome c oxidase subunit 1 (cox1) gene of Enterobius vermicularis (Nematoda) in Poland: a preliminary study
    Autorzy:
    Kubiak, K.
    Paukszto, L.
    Powiązania:
    https://bibliotekanauki.pl/articles/6116.pdf
    Data publikacji:
    2016
    Wydawca:
    Polskie Towarzystwo Parazytologiczne
    Tematy:
    genetic variation
    mitochondrial cytochrome c
    cytochrome C oxidase subunit 1
    Enterobius vermicularis
    Nematoda
    parasite
    intestinal parasite
    human parasite
    Polska
    Źródło:
    Annals of Parasitology; 2016, 62, Suppl.
    0043-5163
    Pojawia się w:
    Annals of Parasitology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Proteins involved in maturation pathways of plant mitochondrial and plastid c-type cytochromes
    Autorzy:
    Rurek, Michal
    Powiązania:
    https://bibliotekanauki.pl/articles/1040695.pdf
    Data publikacji:
    2008
    Wydawca:
    Polskie Towarzystwo Biochemiczne
    Tematy:
    plastids
    c-type cytochromes
    plant mitochondria
    protein-protein
    cytochrome c maturation proteins
    Opis:
    c-type cytochromes are characterized by the presence of two covalent bonds linking heme to apocytochrome and by the heme attachment motif in the apoprotein. Several molecular systems for the maturation of c-type cytochromes have evolved in different organisms. The best characterized are three of them: system I, system II and system III. Heme is synthesized in bacterial cytoplasm, in plastids, and in animal and fungal mitochondria. Therefore the maturation of bacterial and plastid c-type cytochromes involves the transport of heme and apocytochrome from the n-side to the p-side of the respective biological membranes and the formation of the covalent bond at the p-side. It should be underlined that the site of the c-type apocytochrome synthesis is also distinct from the site of its functioning. The aim of this review is to present the current state of knowledge concerning the structure and function of two systems - system I and system II - in the maturation of plant mitochondrial and plastid c-type cytochromes, respectively.
    Źródło:
    Acta Biochimica Polonica; 2008, 55, 3; 417-433
    0001-527X
    Pojawia się w:
    Acta Biochimica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The function of complexes between the outer mitochondrial membrane pore (VDAC) and the adenine nucleotide translocase in regulation of energy metabolism and apoptosis.
    Autorzy:
    Vyssokikh, Mikhail
    Brdiczka, Dieter
    Powiązania:
    https://bibliotekanauki.pl/articles/1043614.pdf
    Data publikacji:
    2003
    Wydawca:
    Polskie Towarzystwo Biochemiczne
    Tematy:
    cytochrome c
    hexokinase
    free energy
    creatine kinase
    permeability transition pore
    Bax
    Opis:
    The outer mitochondrial membrane pore (VDAC) changes its structure either voltage-dependently in artificial membranes or physiologically by interaction with the adenine nucleotide translocase (ANT) in the c-conformation. This interaction creates contact sites and leads in addition to a specific organisation of cytochrome c in the VDAC-ANT complexes. The VDAC structure that is specific for contact sites generates a signal at the surface for several proteins in the cytosol to bind with high capacity, such as hexokinase, glycerol kinase and Bax. If the VDAC binding site is not occupied by hexokinase, the VDAC-ANT complex has two critical qualities: firstly, Bax gets access to cytochrome c and secondly the ANT is set in its c-conformation that easily changes conformation into an unspecific channel (uniporter) causing permeability transition. Activity of bound hexokinase protects against both, it hinders Bax binding and employs the ANT as anti-porter. The octamer of mitochondrial creatine kinase binds to VDAC from the inner surface of the outer membrane. This firstly restrains interaction between VDAC and ANT and secondly changes the VDAC structure into low affinity for hexokinase and Bax. Cytochrome c in the creatine kinase complex will be differently organised, not accessible to Bax and the ANT is run as anti-porter by the active creatine kinase octamer. However, when, for example, free radicals cause dissociation of the octamer, VDAC interacts with the ANT with the same results as described above: Bax-dependent cytochrome c release and risk of permeability transition pore opening.
    Źródło:
    Acta Biochimica Polonica; 2003, 50, 2; 389-404
    0001-527X
    Pojawia się w:
    Acta Biochimica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-3 z 3

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