Structural Insights into the Substrate Binding and Stereoselectivity of Giardia Fructose-1,6-bisphosphate Aldolase,

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Structural insights into the substrate binding and stereoselectivity of giardia fructose-1,6-bisphosphate aldolase.

Giardia lamblia fructose-1,6-bisphosphate aldolase (FBPA) is a member of the class II zinc-dependent aldolase family that catalyzes the cleavage of d-fructose 1,6-bisphosphate (FBP) into dihydroxyacetone phosphate (DHAP) and d-glyceraldehyde 3-phosphate (G3P). In addition to the active site zinc, the catalytic apparatus of FBPA employs an aspartic acid, Asp83 in the G. lamblia enzyme, which whe...

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ALDOB (aldolase B, fructose-bisphosphate)

Other names: ALDB, EC 4.1.2.13, OTTHUMP00000021803 HGNC (Hugo): ALDOB Location: 9q31.1 Local order: Telomeric to the PRG-3 (plasticity related gene 3), BAAT (bile acid Coenzyme A: amino acid N-acyltransferase), MRPL50 (mitochondrial ribosomal protein L50) and ZNF189 (zinc finger protein 189) genes. Centromeric to C9orf125 (chromosome 9 open reading frame 125), RNF20 (ring finger protein 20), PP...

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Characterization, kinetics, and crystal structures of fructose-1,6-bisphosphate aldolase from the human parasite, Giardia lamblia.

Class I and class II fructose-1,6-bisphosphate aldolases (FBPA), glycolytic pathway enzymes, exhibit no amino acid sequence homology and utilize two different catalytic mechanisms. The mammalian class I FBPA employs a Schiff base mechanism, whereas the human parasitic protozoan Giardia lamblia class II FBPA is a zinc-dependent enzyme. In this study, we have explored the potential exploitation o...

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Intracellular localization of fructose 1,6-bisphosphate aldolase.

Submission of a rat liver homogenate made in 250 mM sucrose-1 mM EDTA to centrifugation between 9,500 times g for 10 min and 105,000 times g for 60 min results in the sedimentation of 60 to 70% of the total cellular fructose 1,6-bisphosphate aldolase (EC 4.1.2.13). Under these conditions only about one-quarter of the total triose phosphate dehydrogenase and phosphoglycerate kinase appears in th...

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Structure of fructose bisphosphate aldolase from Bartonella henselae bound to fructose 1,6-bisphosphate

Fructose bisphosphate aldolase (FBPA) enzymes have been found in a broad range of eukaryotic and prokaryotic organisms. FBPA catalyses the cleavage of fructose 1,6-bisphosphate into glyceraldehyde 3-phosphate and dihydroxyacetone phosphate. The SSGCID has reported several FBPA structures from pathogenic sources, including the bacterium Brucella melitensis and the protozoan Babesia bovis. Bioinf...

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ژورنال

عنوان ژورنال: Biochemistry

سال: 2009

ISSN: 0006-2960,1520-4995

DOI: 10.1021/bi9001166