Browsing by Author "Cabrera Paucar, Ricardo"
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Cabrera Paucar, Ricardo; Caniuguir, Andrés; Ambrosio, Andre L. B.; Guixé Leguía, Victoria Cristina; Garratt, Richard C.; Babul Cattán, Jorge (BLACKWELL, 2006-09)Escherichia coli contains two phosphofructokinases, Pfk-1 and Pfk-2, which belong to unrelated protein families. In addition to catalytic function, the enzymes have converged in showing substrate inhibition by the nucleotide ...
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Cabrera Paucar, Ricardo; Ambrosio, Andre; Garratt, Richard; Guixé Leguía, Victoria Cristina; Babul Cattán, Jorge (ACADEMIC PRESS LTD ELSEVIER SCIENCE LTD, 2008-08-22)Phosphofructokinase-1 and -2 (Pfk-1 and Pfk-2, respectively) from Escherichia coli belong to different homologous superfamilies. However, in spite of the lack of a common ancestor, they share the ability to catalyze ...
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Fuentealba, Matías; Muñoz, Rodrigo; Maturana, Pablo; Krapp, Adriana; Cabrera Paucar, Ricardo (PUBLIC LIBRARY SCIENCE, 2016)Glucose 6-Phosphate Dehydrogenases (G6PDHs) from different sources show varying specificities towards NAD(+) and NADP(+) as cofactors. However, it is not known to what extent structural determinants of cofactor preference ...
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Rivero, Matías; Torres Paris, Constanza; Muñoz, Rodrigo; Cabrera Paucar, Ricardo; Navarro, Claudio A.; Jerez Guevara, Carlos (Hindawi, 2018)Polyphosphates (PolyP) are linear polymers of orthophosphate residues that have been proposed to participate in metal resistance in bacteria and archaea. In addition of having a CopA/CopB copper efflux system, the ...
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Aguayo, María Francisca; Ampuero, Diego; Mandujano, Patricio; Parada, Roberto; Múnoz, Rodrigo; Gallart, Marta; Altabella, Teresa; Cabrera Paucar, Ricardo; Stange Klein, Claudia; Handford, Michael (Elsevier, 2013)Sorbitol is converted to fructose in Rosaceae species by SORBITOL DEHYDROGENASE (SDH, EC 1.1.1.14), especially in sink organs. SDH has also been found in non-Rosaceae species and here we show that the protein encoded by ...
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Cabrera Paucar, Ricardo; Báez, Mauricio; Pereira, Humberto M.; Caniuguir, Andrés; Garratt, Richard C.; Babul Cattán, Jorge (AMER SOC BIOCHEMISTRY MOLECULAR BIOLOGY INC, 2011-02-18)Substrate inhibition by ATP is a regulatory feature of the phosphofructokinases isoenzymes from Escherichia coli (Pfk-1 and Pfk-2). Under gluconeogenic conditions, the loss of this regulation in Pfk-2 causes substrate ...