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Assessment | Biopsychology | Comparative | Cognitive | Developmental | Language | Individual differences | Personality | Philosophy | Social |
Methods | Statistics | Clinical | Educational | Industrial | Professional items | World psychology |

Biological: Behavioural genetics · Evolutionary psychology · Neuroanatomy · Neurochemistry · Neuroendocrinology · Psychoneuroimmunology · Physiological Psychology · Psychopharmacology

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Aldolase A
300px Enzyme Fructose 1,6-bisphosphate aldolase PDB Code PDB 4ALD Organism Human Tissue Muscle Complexed molecules fructose 1,6-bisphosphate

Aldolase A is an enzyme which catalyses one of the aldol reactions: The substrate, fructose 1,6-bisphosphate (F-1,6-BP) is broken down into glyceraldehyde 3-phosphate and dihydroxyacetone phosphate (DHAP). This reaction is a part of glycolysis.

β-D-fructose 1,6-phosphate	fructose bisphosphate aldolase		D-glyceraldehyde 3-phosphate		dihydroxyacetone phosphate
				+
	fructose bisphosphate aldolase

Compound C05378 at KEGG Pathway Database.

Enzyme 4.1.2.13 at KEGG Pathway Database.
Compound C00111 at KEGG Pathway Database.
Compound C00118 at KEGG Pathway Database.

The numbering of the carbon atoms indicates the fate of the carbons according to their position in fructose 6-phosphate.

MechanismEdit

In mammalian aldolase the key catylitic amino acid residues involved in the reaction are lysine and tyrosine. The tyrosine acts as an efficient hydrogen acceptor while the lysine covalently binds and stabilizes the intermediates. Many bacteria use two magnesium ions in place of the lysine.

External linksEdit

• http://pdbdev.sdsc.edu:48346/pdb/molecules/pdb50_5.html
• MeSH Fructose-Bisphosphate+Aldolase
• ALDOA
• EC 4.1.2.13

v·d·e Carbon-carbon lyases (EC 4.1)
4.1.1: Carboxy-lyases	Pyruvate decarboxylase -Oxaloacetate decarboxylase - Acetoacetate decarboxylase - Malonyl-CoA decarboxylase - Glutamate decarboxylase - Ornithine decarboxylase - Lysine decarboxylase - Phosphoribosylaminoimidazole carboxylase - Histidine decarboxylase - Uridine monophosphate synthetase/Orotidine 5'-phosphate decarboxylase - Aromatic L-amino acid decarboxylase - Phosphoenolpyruvate carboxylase - Pyrophosphomevalonate decarboxylase - Uroporphyrinogen III decarboxylase - RuBisCO - Phosphoenolpyruvate carboxykinase - Adenosylmethionine decarboxylase
4.1.2: Aldehyde-lyases	Aldolase A/Aldolase B - 2-hydroxyphytanoyl-CoA lyase
4.1.3: Oxo-acid-lyases	3-hydroxy-3-methylglutaryl-CoA lyase

v·d·e Carbohydrate metabolism: glycolysis/gluconeogenesis enzymes
Glycolysis	Glucokinase/Hexokinase/Glucose 6-phosphatase - Glucose isomerase - Phosphofructokinase 1/Fructose 1,6-bisphosphatase - Aldolase - Triosephosphate isomerase - Glyceraldehyde 3-phosphate dehydrogenase - Phosphoglycerate kinase - Phosphoglycerate mutase - Enolase - Pyruvate kinase
Gluconeogenesis only	Pyruvate carboxylase - Phosphoenolpyruvate carboxykinase - from lactate (Cori cycle): Lactate dehydrogenase - from alanine (Alanine cycle): Alanine transaminase
Regulatory	Phosphofructokinase 2/Fructose 2,6-bisphosphatase - Bisphosphoglycerate mutase

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