Succinic semialdehyde

Succinic semialdehyde (SSA) is a GABA metabolite. It is formed from GABA by the action of GABA transaminase (4-aminobutyrate aminotransferase) and further oxidised to become succinic acid, which enters TCA cycle. SSA is oxidized into succinic acid by the enzyme succinic semialdehyde dehydrogenase, which uses NAD+ as a cofactor.   When the oxidation of succinic semialdehyde to succinic acid is impaired, accumulation of succinic semialdehyde takes place which leads to succinic semialdehyde dehydrogenase deficiency.

Succinic semialdehyde
Names
Preferred IUPAC name
4-Oxobutanoic acid
Identifiers
3D model (JSmol)
ChEBI
ChemSpider
ECHA InfoCard 100.155.728
KEGG
MeSH Succinic+semialdehyde
UNII
  • InChI=1S/C4H6O3/c5-3-1-2-4(6)7/h3H,1-2H2,(H,6,7) Y
    Key: UIUJIQZEACWQSV-UHFFFAOYSA-N Y
  • InChI=1/C4H6O3/c5-3-1-2-4(6)7/h3H,1-2H2,(H,6,7)
    Key: UIUJIQZEACWQSV-UHFFFAOYAS
  • O=CCCC(=O)O
Properties
C4H6O3
Molar mass 102.089 g/mol
Appearance oil
Boiling point 135 °C (275 °F; 408 K) at 14 mmHg
soluble in water, ethanol, benzene, diethyl ether
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
N verify (what is YN ?)
Infobox references
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