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Saccharopine

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Title: Saccharopine  
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Subject: Saccharopinuria, Allysine, Lysine, Dipeptides, Methylmalonyl-CoA
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Saccharopine

Saccharopine
Stereo, skeletal formula of saccharopine ((2S)-2-{[(5S)-5-aminopentyl]amino})
Names
IUPAC name
2-[(5-Amino-5-carboxypentyl)amino]pentanedioic acid[1]
Identifiers
 N
3DMet
ChEBI  Y
ChemSpider  Y
DrugBank  Y
Jmol-3D images Image
Image
KEGG  N
MeSH
PubChem
Properties
C11H20N2O6
Molar mass 276.29 g·mol−1
Related compounds
Related alkanoic acids
Related compounds
Palmitoylethanolamide
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
 N  (: Y/N?)

Saccharopine is an intermediate in the metabolism of amino acid lysine. It is a precursor of lysine in the alpha-aminoadipate pathway which occurs in a few lower fungi, the higher fungi, and euglenids. In mammals and higher plants saccharopine is an intermediate in the degradation of lysine, formed by condensation of lysine and alpha-ketoglutarate.

Contents

  • Reaction 1
  • Pathology 2
  • History 3
  • See also 4
  • References 5

Reaction

The reactions involved, catalysed by saccharopine dehydrogenases, are:

lysine + alpha-ketoglutarate ⇌ saccharopine ⇌ glutamate + 2-aminoadipate 6-semialdehyde

Pathology

Saccharopinuria (high amounts of saccharopine in the urine) and saccharopinemia (an excess of saccharopine in the blood) are conditions present in some inherited disorders of lysine degradation.

History

Saccharopine was first isolated in 1961 from yeasts (Saccharomyces, hence the name) by Darling and Larsen.[2]

See also

References

  1. ^ "N-(5-AMINO-5-CARBOXYPENTYL)GLUTAMIC ACID - Compound Summary". PubChem Compound. USA: National Center for Biotechnology Information. 23 June 2005. Identification. Retrieved 11 July 2012. 
  2. ^ Darling, S., and Larsen, P. O., Saccharopine, a new amino acid in Baker's and Brewer's yeast: I. Isolation and properties. Acta Chem. Scand., 15, 743 (1961).
K→acetyl-CoA
lysine→
leucine→
G
proline→
other
valine→
G→fumarate
Other
Description
  • Enzymes and pathways:
Disorders
Treatment
  • Drugs
Index of biochemical
Other
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