谷氨酸脱羧酶（Glutamate Decarboxylase，GAD）

要结合磷酸吡哆醛

$催化反应：$

[[C5：L-谷氨酸（L-Glu，L-glutamate）]]-->[[γ- 氨基丁酸（GABA）]]+$

-

\usepackage{chemfig}
\begin{document}
\chemfig{
C	(-[2,1]COOH)
	(<[7.3,1]NH_2)
	(<:[,1]H)
	(-[4.7,1]CH_2
		-[4,1]CH_2
		-[4,1]HOOC
	)
}
\begin{tikzpicture} 
\draw [->] (0,0) to node[above] {GAD;PLP} (1,0);
\end{tikzpicture}

\chemfig{
^\gamma CH
	(-[4,0.6]H_2N)
	(-[,0.6]^\beta CH_2-[,0.6]^\alpha CH_2-[,0.6]COOH)
}

+$
\end{document}