称谓
PRPP合成酶 磷酸核糖焦磷酸激酶1 PRPS1
生理意义
[[C5：核糖-5-磷酸（ribose 5-phosphate，R5P）]]的活化，主要的调节步骤
受无机磷酸盐活化 受嘌呤核苷酸抑制
催化反应
[[C5：核糖-5-磷酸（ribose 5-phosphate，R5P）]]+ATP->[[5-磷酸核糖焦磷酸（PRPP）]]+AMP
$化学方程式：$
-
\usepackage{chemfig}
\begin{document}
\chemfig{
(-[3,0.25])
(<:[,0.7]OH)
-[5.5,0.5]
(<:[7,0.7]OH)
-[3.8,0.5]
(<:[5,0.7]HO)
-[2.2,0.5]
(-[0.5,0.5]O)
(<[3.5,0.7]-[4.5,0.8]\fbox{P})
}
+ATP
\begin{tikzpicture}
\draw [->] (0,0) to node[above] {PRPS1;^{2+}$} (1,0);
\end{tikzpicture}
\chemfig{
(-[3,0.25])
(<:[0.3,0.8]\fbox{P}-[7.8,0.8]\fbox{P})
-[5.5,0.5]
(<:[7,0.7]OH)
-[3.8,0.5]
(<:[5,0.7]HO)
-[2.2,0.5]
(-[0.5,0.5]O)
(<[3.5,0.7]-[4.5,0.8]\fbox{P})
}
+AMP
\end{document}