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Fructose-bisphosphate aldolase (EC 4.1.2.13), often just aldolase, is an enzyme catalyzing a reversible reaction that splits the aldol, fructose 1,6-bisphosphate, into the triose phosphates dihydroxyacetone phosphate (DHAP) and glyceraldehyde 3-phosphate (G3P).
The aldol cleavage of fructose 1,6-bisphosphate by aldolase b demonstrates the different reaction products, dihydroxyacetone phosphate and glyceraldehyde 3-phosphate. The generic fructose bisphosphate aldolase enzyme cleaves a 6-carbon fructose sugar into two 3-carbon products in a reverse aldol reaction.
Aldolase A (ALDOA, or ALDA), also known as fructose-bisphosphate aldolase, is an enzyme that in humans is encoded by the ALDOA gene on chromosome 16.. The protein encoded by this gene is a glycolytic enzyme that catalyzes the reversible conversion of fructose-1,6-bisphosphate to glyceraldehyde 3-phosphate (G3P) and dihydroxyacetone phosphate (DHAP).
In particular increased fructose-1,6-bisphosphate accumulation can have inhibitory effects on glucose-6-phosphate dehydrogenase, an essential enzyme of this pathway. [6] Lactate accumulation has also been noted in some patients, potentially linked to reciprocal stimulation of pyruvate kinase, a key enzyme in lactic acid fermentation. [8]
1 Proteins serving as fructose-bisphosphate aldolase. 2 Other enzymes called "aldolases" Toggle the table of contents. List of aldolases. 4 languages. Galego;
11676 Ensembl ENSG00000109107 ENSMUSG00000017390 UniProt P09972 P05063 RefSeq (mRNA) NM_005165 NM_009657 NM_001303423 RefSeq (protein) NP_005156 NP_001290352 NP_033787 Location (UCSC) Chr 17: 28.57 – 28.58 Mb Chr 11: 78.21 – 78.22 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse Aldolase C, fructose-bisphosphate (ALDOC, or ALDC), is an enzyme that, in humans, is encoded by the ...
Fructose 1,6-bisphosphate, known in older publications as Harden-Young ester, is fructose sugar phosphorylated on carbons 1 and 6 (i.e., is a fructosephosphate). The β-D-form of this compound is common in cells. [1] Upon entering the cell, most glucose and fructose is converted to fructose 1,6-bisphosphate. [2] [3]
Fructose-bisphosphate aldolase [EC 4.1.2.13] catalyzes a key reaction in glycolysis and energy production and is produced by all four species. [19] The P.falciparum aldolase is a 41 kDa protein and has 61-68% sequence similarity to known eukaryotic aldolases. [20] Its crystal structure has been published. [21]