百科词条

C6的形成：羧化酶（PAICS(E1)）

5-氨基咪唑核苷酸（AIR） + 2$+ATP 5-氨基-4-羧基咪唑核苷酸（CAIR） +ADP+ i$ $化学方程式：$ tikz \usepackage chemfig \begin document \chemfig \fbox R - 2,0.8 N - 2,0.25 9 - 3.5,0.6 - 3.3,0.25 4 - 4.5,0.

作者：admin

2026-08-16

催化反应

[[5-氨基咪唑核苷酸（AIR）]]+$+ATP<->[[5-氨基-4-羧基咪唑核苷酸（CAIR）]]+ADP+$

$化学方程式：$

\usepackage{chemfig}
\begin{document}

\chemfig{
	\fbox{R}-[2,0.8]N(-[2,0.25]9)
	-[3.5,0.6](-[3.3,0.25]4)(-[4.5,0.7]N(-[2,0.25]3)(-[4,0.3]H_2))
	=[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]
		(-[4,0.2]8)
		-[5.25,0.6]
}
+$+ATP
\begin{tikzpicture} 
\draw [<->] (0,0) to node[above] {PAICS(E1);^{2+}$} (1,0); 
\end{tikzpicture}

\chemfig{
	\fbox{R}-[2,0.8]N(-[2,0.25]9)
	-[3.5,0.6](-[3.3,0.25]4)(-[4.5,0.7]N(-[2,0.25]3)(-[4,0.3]H_2))
	=[2,0.8](-[4.8,0.25]5)(-[3,0.7](=[2,0.7]O)(-[4.7,0.7]HO)(-[6,0.25]6))
	-[0.5,0.8]N(-[5.5,0.25]7)(-[,0.3]H)
	=[6.55,0.8]
		(-[4,0.2]8)
		-[5.25,0.6]
}
+ADP+$

\end{document}