C4：草酰乙酸（OAA）

称谓

草酰乙酸 oxaloacetic acid oxaloacetate OAA

3D结构

C(C(=O)C(=O)O)C(=O)O

$结构式：$

-

\usepackage{chemfig}
\begin{document}
\chemfig{
C
	(=[4,1]O)
	(-[2,1]COOH)
	(-[6,1]CH_2
		(-[6,1]COOH)
	)
}
\end{document}

-

\usepackage{chemfig}
\begin{document}
\chemfig{
	C
		(=[4,0.5]O)
		(-[,0.5]COO^{-})
		(-[6,0.5]CH_2-[,0.5]COO^{-})
}
\end{document}

-

\usepackage{chemfig}
\begin{document}
\chemfig{
	CH_2
		(-[,0.5]COO^{-})
		(-[2,0.5]C
			(=[4,0.5]O)
			(-[,0.5]COO^{-})
		)
}
\end{document}

-

\usepackage{chemfig}
\begin{document}
\chemfig{
	C
		(=[4,0.5]O)
		(-[,0.5]COOH)
		(-[6,0.5]CH_2-[,0.5]COOH)
}
\end{document}

-

\usepackage{chemfig}
\begin{document}
\chemfig{
	CH_2
		(-[,0.5]COOH)
		(-[2,0.5]C
			(=[4,0.5]O)
			(-[,0.5]COOH)
		)
}
\end{document}

-

\usepackage{chemfig}
\begin{document}
\chemfig{
	(-[3.5,0.5]HO)
	(=[6,0.5]O)
	(-[0.5,0.5]
		(-[7.5,0.5]
			(=[6,0.5]O)
			(-[0.5,0.5]
				(=[2,0.5]O)
				(-[7.5,0.5]OH)
			)
		)
	)
}
\end{document}

-

OC(C(CC(O)=O)=O)=O

产生

[[8. TAC：苹果酸氧化为草酰乙酸：苹果酸脱氢酶（MDH）]] [[丙酮酸羧化酶（PC）]]

参与反应

[[1. TAC：乙酰辅酶 A 与草酰乙酸缩合：柠檬酸合酶（CS）]] [[8. TAC：苹果酸氧化为草酰乙酸：苹果酸脱氢酶（MDH）]] [[谷草转氨酶（aspartate aminotransferase，AST）]] [[磷酸烯醇式丙酮酸羧激酶（PEPCK）]]