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Pathways

PathWhiz ID Pathway Meta Data

PW000034

Pw000034 View Pathway
metabolic

Pyruvaldehyde Degradation

Homo sapiens
This Pyruvaldehyde degradation pathway (Methylglyoxal degradation;2-oxopropanal degradation), also known as the glyoxalase system, is probably the most common pathway for the degradation of pyruvaldehyde (methylglyoxal), a potentially toxic metabolite due to its interaction with nucleic acids and other proteins. Pyruvaldehyde is formed in low concentrations by glycolysis, fatty acid metabolism and protein metabolism. Pyruvaldehyde is catalyzed by the glyoxylase system, composed of the enzymes lactoylglutathione lyase (glyoxalase I) and glyoxylase II. Glyoxalase I catalyes the isomerization of the spontaneously formed hemithioacetal adduct between glutathione and pyruvaldehyde into S-lactoylglutathione. S-lactoylglutathione is then catalyzed by glyoxalase II into D-lactic acid and glutathione. D-lactic acid is then catalyzed by an unknown quinol in the membrane to pyruvic acid, which then enters pyruvate metabolism.

PW122389

Pw122389 View Pathway
metabolic

pyruvate

Chlamydomonas reinhardtii

PW122016

Pw122016 View Pathway
disease

Pyruvate Carboxylase Deficiency

Rattus norvegicus
Pyruvate carboxylase deficiency is caused by mutation in the pyruvate carboxylase gene. Serine—pyruvate aminotransferase catalyzes the reaction of serine and pyruvate to produce 3-hydroxypyruvate and L-alanine, as well as the reaction from L-alanine and glyodxylate to pyruvate and glycine. A defect in this results in accumulation of ammonia, glucose and pyruvate in blood; proline, lysine, citrulline, and alanine in plasma; and 2-oxoglutaric acid, fumaric acid, ketone bodies and succinate in urine. Symptoms include ataxia, lactic acidosis, mental retardation, metabolic acidosis, siezures, and dyspnea.

PW121791

Pw121791 View Pathway
disease

Pyruvate Carboxylase Deficiency

Mus musculus
Pyruvate carboxylase deficiency is caused by mutation in the pyruvate carboxylase gene. Serine—pyruvate aminotransferase catalyzes the reaction of serine and pyruvate to produce 3-hydroxypyruvate and L-alanine, as well as the reaction from L-alanine and glyodxylate to pyruvate and glycine. A defect in this results in accumulation of ammonia, glucose and pyruvate in blood; proline, lysine, citrulline, and alanine in plasma; and 2-oxoglutaric acid, fumaric acid, ketone bodies and succinate in urine. Symptoms include ataxia, lactic acidosis, mental retardation, metabolic acidosis, siezures, and dyspnea.

PW000058

Pw000058 View Pathway
disease

Pyruvate Carboxylase Deficiency

Homo sapiens
Pyruvate carboxylase deficiency is caused by mutation in the pyruvate carboxylase gene. Serine—pyruvate aminotransferase catalyzes the reaction of serine and pyruvate to produce 3-hydroxypyruvate and L-alanine, as well as the reaction from L-alanine and glyodxylate to pyruvate and glycine. A defect in this results in accumulation of ammonia, glucose and pyruvate in blood; proline, lysine, citrulline, and alanine in plasma; and 2-oxoglutaric acid, fumaric acid, ketone bodies and succinate in urine. Symptoms include ataxia, lactic acidosis, mental retardation, metabolic acidosis, siezures, and dyspnea.

PW127317

Pw127317 View Pathway
disease

Pyruvate Carboxylase Deficiency

Homo sapiens
Pyruvate carboxylase deficiency is caused by mutation in the pyruvate carboxylase gene. Serine—pyruvate aminotransferase catalyzes the reaction of serine and pyruvate to produce 3-hydroxypyruvate and L-alanine, as well as the reaction from L-alanine and glyodxylate to pyruvate and glycine. A defect in this results in accumulation of ammonia, glucose and pyruvate in blood; proline, lysine, citrulline, and alanine in plasma; and 2-oxoglutaric acid, fumaric acid, ketone bodies and succinate in urine. Symptoms include ataxia, lactic acidosis, mental retardation, metabolic acidosis, siezures, and dyspnea.

PW121789

Pw121789 View Pathway
disease

Pyruvate Decarboxylase E1 Component Deficiency (PDHE1 Deficiency)

Mus musculus
Pyruvate Decarboxylase E1 Component Deficiency is caused by a defect in the PDHA1 gene which codes for mitochondrial pyruvate dehydrogenase E1 component subunit alpha, somatic form. This is a homotetrameric enzyme that catalyses the decarboxylation of pyruvic acid to acetaldehyde and carbon dioxide. A defect in this enzyme results in accumulation of lacate and pyruvate. Symptoms and signs include severe lactic acidosis in the newborns that usually leading to death, hypotonic, lethargic, seizures, mental retardation and spasticity.

PW127338

Pw127338 View Pathway
disease

Pyruvate Decarboxylase E1 Component Deficiency (PDHE1 Deficiency)

Homo sapiens
Pyruvate Decarboxylase E1 Component Deficiency is caused by a defect in the PDHA1 gene which codes for mitochondrial pyruvate dehydrogenase E1 component subunit alpha, somatic form. This is a homotetrameric enzyme that catalyses the decarboxylation of pyruvic acid to acetaldehyde and carbon dioxide. A defect in this enzyme results in accumulation of lacate and pyruvate. Symptoms and signs include severe lactic acidosis in the newborns that usually leading to death, hypotonic, lethargic, seizures, mental retardation and spasticity.

PW122014

Pw122014 View Pathway
disease

Pyruvate Decarboxylase E1 Component Deficiency (PDHE1 Deficiency)

Rattus norvegicus
Pyruvate Decarboxylase E1 Component Deficiency is caused by a defect in the PDHA1 gene which codes for mitochondrial pyruvate dehydrogenase E1 component subunit alpha, somatic form. This is a homotetrameric enzyme that catalyses the decarboxylation of pyruvic acid to acetaldehyde and carbon dioxide. A defect in this enzyme results in accumulation of lacate and pyruvate. Symptoms and signs include severe lactic acidosis in the newborns that usually leading to death, hypotonic, lethargic, seizures, mental retardation and spasticity.

PW000116

Pw000116 View Pathway
disease

Pyruvate Decarboxylase E1 Component Deficiency (PDHE1 Deficiency)

Homo sapiens
Pyruvate Decarboxylase E1 Component Deficiency is caused by a defect in the PDHA1 gene which codes for mitochondrial pyruvate dehydrogenase E1 component subunit alpha, somatic form. This is a homotetrameric enzyme that catalyses the decarboxylation of pyruvic acid to acetaldehyde and carbon dioxide. A defect in this enzyme results in accumulation of lacate and pyruvate. Symptoms and signs include severe lactic acidosis in the newborns that usually leading to death, hypotonic, lethargic, seizures, mental retardation and spasticity.