Homoaconitate

Homoaconitic acid

cis-Homoaconitic acid
trans-Homoaconitic acid
Names
IUPAC names (1Z)-1-Butene-1,2,4-tricarboxylic acid (1E)-1-Butene-1,2,4-tricarboxylic acid
Other names Homo-cis-aconitate; Homo-trans-aconitate
Identifiers
CAS Number	13366-20-6 Y 7279-64-3 (Z) Y 7279-63-2 (E) Y
3D model (JSmol)	Interactive image
ChemSpider	4444242 (Z)
PubChem CID	5280640 (Z)
SMILES O=C(O)C(=CC(=O)O)CCC(=O)O
Properties
Chemical formula	C7H8O6
Molar mass	188.14 g·mol−1
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Homoaconitatic acid (homoaconitate) is related to aconitic acid but with one extra carbon. It is part of the α-aminoadipate pathway for lysine biosynthesis, where it is made from homocitrate by homoaconitase. It is converted to homoisocitrate by homoisocitrate dehydrogenase.