C8的形成：转甲酰基酶（GART(E2)）

催化反应

[[甘氨酰胺核苷酸（GAR）]]+[[N10-甲酰四氢叶酸（10-formyl-THF）]]+$->[[N-甲酰甘氨酰胺核苷酸（FGAR）]]+[[四氢叶酸（THF）]]

$化学方程式：$

\usepackage{chemfig}
\begin{document}

\chemfig{
	\fbox{R}-[2,0.8]NH(-[2,0.25]9)
	-[3.5,0.6](-[3.3,0.25]4)(=[4.5,0.7]O)
	=[2,0.8](-[4.8,0.25]5)
	-[0.5,0.8]NH_2(-[5.5,0.25]7)
}
+
^{10}-CHO-FH_4$
+$

\begin{tikzpicture} 
\draw [->] (0,0) to node[above] {GART(E2)} (1,0); 
\end{tikzpicture}

\chemfig{
	\fbox{R}-[2,0.8]NH(-[2,0.25]9)
	-[3.5,0.6](-[3.3,0.25]4)(=[4.5,0.7]O)
	=[2,0.8](-[4.8,0.25]5)
	-[0.5,0.8]N(-[5.5,0.25]7)(-[,0.3]H)
	-[6.55,0.8]CHO
		(-[4,0.2]8)
}
+
$

\end{document}