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HUMAN NME6 PROTEIN: SUBCELLULAR LOCALIZATION, STRUCTURE AND FUNCTION ; UNUTARSTANIČNI SMJEŠTAJ, STRUKTURA I FUNKCIJA PROTEINA NME6 U ČOVJEKA

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  • معلومة اضافية
    • Contributors:
      Herak-Bosnar, Maja
    • بيانات النشر:
      Sveučilište u Zagrebu. Prirodoslovno-matematički fakultet. Biološki odsjek.
      University of Zagreb. Faculty of Science. Department of Biology.
    • الموضوع:
      2022
    • Collection:
      Nacionalni repozitorij disertacija i znanstvenih magistarskih radova (Nacionalna i sveučilišna knjižnica u Zagrebu) / Croatian Digital Dissertations Repository (National and University Library in Zagreb)
    • نبذة مختصرة :
      Nucleoside diphosphate kinase (NDPK/NME/NM23) family of enzymes catalyze the transfer of gamma phosphate group from nucleoside triphosphates to nucleoside diphosphates. The family sparked interest after the discovery of metastasis suppressor activity of NME1, leading to a comprehensive characterization of Group I members (NME1-NME4). In contrast, the evolutionary ancient Group II members (NME5-NME9) are to date barely explored. We aimed to produce an extensive description of the human NME6 protein, by revealing its expression pattern, enzymatic activity, subcellular localization, quaternary structure and cellular function. Our results show the ubiquitous expression of NME6. We demonstrated a lack of enzymatic activity linked to oligomerization deficiency. We confirmed the mitochondrial localization and refined it to a matrix-facing protein, partially bound to the mitochondrial inner membrane, where NME6 interacts with RCC1L protein. Finally, we unraveled a negative impact of NME6 on mitochondrial respiration, possibly linked to the regulation of mitochondria-encoded protein expression. ; Nukleozid difosfatske kinaze, (NDPK/NME/NM23), kataliziraju prijenos gama fosfata s nukleozid trifosfata na nukleozid difosfate. Ova obitelj enzima privukla je veliku pozornost nakon otkrića da je jedan od njenih članova, NME1, uključen u sprječavanje nastanka metastaza. To je dovelo do sveobuhvatnih istraživanja članova NME iz skupine I (od NME1 do NME4). Nasuprot tome, evolucijski „stariji“ članovi Grupe II (od NME5 do NME9) do danas su vrlo malo istraženi. Cilj ovog rada bio je detaljnije istražiti ljudski protein NME6, utvrditi njegovu ekspresiju, enzimsku aktivnosti, unutarstanični smještaj, kvarternu strukturu i stanične funkcije. Naši rezultati pokazuju sveprisutnu ekspresiju proteina NME6. Pokazali smo da NME6 ne stvara oligomere te da, u vezi s time, ne pokazuje ni enzimatsku aktivnost. Pokazali smo da je protein smješten u matriksu mitohondrija, vjerojatno djelomično vezan na unutarnju membranu, gdje stupa u ...
    • File Description:
      application/pdf
    • Relation:
      https://dr.nsk.hr/islandora/object/pmf:11331; https://urn.nsk.hr/urn:nbn:hr:217:788932; https://repozitorij.unizg.hr/islandora/object/pmf:11331; https://repozitorij.unizg.hr/islandora/object/pmf:11331/datastream/PDF
    • الدخول الالكتروني :
      https://dr.nsk.hr/islandora/object/pmf:11331
      https://urn.nsk.hr/urn:nbn:hr:217:788932
      https://repozitorij.unizg.hr/islandora/object/pmf:11331
      https://repozitorij.unizg.hr/islandora/object/pmf:11331/datastream/PDF
    • Rights:
      http://rightsstatements.org/vocab/InC/1.0/ ; info:eu-repo/semantics/openAccess
    • الرقم المعرف:
      edsbas.A64836B9