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Fructose 2, 6 bisphosphate promotes the monomer-tetramer conservation of Leishmania mexicana amazonensis pyruvate kinase type two
Ponte-Sucre, Alicia; Ramirez, Jose L.
Affiliation
  • Ponte-Sucre, Alicia; Universidad Central de Venezuela. Instituto de Medicina Experimental.
  • Ramirez, Jose L; Universidad Central de Venezuela. Grupo de Genética Molecular.
Biol. Res ; 26(1/2): 131-4, 1993. graf
Article in En | LILACS | ID: lil-228599
Responsible library: BR1.1
RESUMO
The enzyme pyruvate kinase of Leishmania mexicana amazonensis presents two forms with different kinetic properties and behavior for the heterotrophic activator fructose 2,6 bisphosphate. Pyruvate kinase 1, which is isolated as a tetramer, is inhibited by this metabolite. The second activity, Pyruvate kinase 2, is activated by fructose 2,6 bisphosphate, which promotes the monomer-tetramer conversion of this enzyme
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Index: LILACS Main subject: Pyruvate Kinase / Leishmania mexicana / Fructosediphosphates Limits: Animals Country/Region as subject: Mexico Language: En Journal: Biol. Res Journal subject: BIOLOGIA Year: 1993 Type: Article
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Index: LILACS Main subject: Pyruvate Kinase / Leishmania mexicana / Fructosediphosphates Limits: Animals Country/Region as subject: Mexico Language: En Journal: Biol. Res Journal subject: BIOLOGIA Year: 1993 Type: Article