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4. 转酮酶:催化2

C5:木酮糖-5-磷酸(xylulose 5-phosphate,Xu5P) + C4:赤藓糖-4-磷酸(erythrose 4-phosphate;E4P) C6:果糖-6-磷酸(F6P) + C3:甘油醛 3-磷酸(PGAL;G3P) $化学方程式:$ - tikz \usepackage chemfig \definecolor cpk P rgb

催化反应

[[C5:木酮糖-5-磷酸(xylulose 5-phosphate,Xu5P)]]+[[C4:赤藓糖-4-磷酸(erythrose 4-phosphate;E4P)]]<->[[C6:果糖-6-磷酸(F6P)]]+[[C3:甘油醛 3-磷酸(PGAL;G3P)]]

$化学方程式:$ -

\usepackage{chemfig}
\definecolor{cpk_P}{rgb}{1.00, 0.50, 0.00}     % P
\begin{document}

\chemname{
\chemfig[atom sep=2em]{
%纵向对齐
-[2,2,,,,transparent]
CH_2OH
-[6]C(=O)
-[6]C(-[4]HO)(-H)
-[6]C(-[4]H)(-OH)
-[6]CH_2O
	% P
	(-[0,0.54,,,,transparent]{\chemmove{\draw[ultra thick,green,fill=cpk_P,line width=2pt] (0.1,0.12)circle(6pt);}P}
	% 下边界支撑
	-[6,0.5,,,,transparent])
}
}{xylulose 5-phosphate}

\quad\quad
+
\quad\quad

\chemname{
\chemfig[atom sep=2em]{
%纵向对齐
-[2,1,,,,transparent]
	C(-[1,]H)(=[3,]O)
	-[6,]C(-[,]OH)(-[4,]H)
	-[6,]C(-[,]OH)(-[4,]H)
	-[6,]CH_2O
		% P
		(-[0,0.54,,,,transparent]{\chemmove{\draw[ultra thick,green,fill=cpk_P,line width=2pt] (0.1,0.12)circle(6pt);}P}
		% 下边界支撑
		-[6,0.5,,,,transparent])
}
}{erythrose 4-phosphate}

\quad\quad\quad
\begin{tikzpicture} 
\draw [<->] (0,0) to node[above] {transketolase} (2.2,0); 
\end{tikzpicture}
\quad\quad\quad

\chemname{
\chemfig[atom sep=2em]{
%纵向对齐
-[2,3,,,,transparent]
CH_2OH
-[6]C(=O)
-[6]C(-[4]HO)(-H)
-[6]C(-[4]H)(-OH)
-[6]C(-[4]H)(-OH)
-[6]CH_2O
	% P
	(-[0,0.54,,,,transparent]{\chemmove{\draw[ultra thick,green,fill=cpk_P,line width=2pt] (0.1,0.12)circle(6pt);}P}
	% 下边界支撑
	-[6,0.5,,,,transparent])
}
}{fructose 6-phosphate}

\quad\quad
+
\quad\quad\quad

\chemname{
\chemfig[atom sep=2em]{
%纵向对齐
-[2,1,,,,transparent]
	C(-[1,]H)(=[3,]O)
	-[6,]C(-[,]OH)(-[4,]H)
	-[6,]CH_2O
		% P
		(-[0,0.54,,,,transparent]{\chemmove{\draw[ultra thick,green,fill=cpk_P,line width=2pt] (0.1,0.12)circle(6pt);}P}
		% 下边界支撑
		-[6,0.5,,,,transparent])
}
}{glyceraldehyde 3-phosphate}

\quad\quad
\quad\quad
\end{document}

^1

• 464

\usepackage{chemfig}
\begin{document}

\chemname{
\chemfig[atom sep=2em]{
%纵向对齐
-[2,2,,,,transparent]
CH_2OH
-[6]C(=O)
-[6]C(-[4]HO)(-H)
-[6]C(-[4]H)(-OH)
-[6]CH_2OP_3^{2-}
}
}{xylulose 5-phosphate}

\quad\quad
+
\quad\quad

\chemname{
\chemfig[atom sep=2em]{
%纵向对齐
-[2,1,,,,transparent]
	C(-[1,]H)(=[3,]O)
	-[6,]C(-[,]OH)(-[4,]H)
	-[6,]C(-[,]OH)(-[4,]H)
	-[6,]CH_2OPO_3^{2-}
}
}{erythrose 4-phosphate}

\quad\quad\quad
\begin{tikzpicture} 
\draw [<->] (0,0) to node[above] {transketolase} (2.2,0); 
\end{tikzpicture}
\quad\quad\quad

\chemname{
\chemfig[atom sep=2em]{
%纵向对齐
-[2,3,,,,transparent]
CH_2OH
-[6]C(=O)
-[6]C(-[4]HO)(-H)
-[6]C(-[4]H)(-OH)
-[6]C(-[4]H)(-OH)
-[6]CH_2OP_3^{2-}
}
}{fructose 6-phosphate}

\quad\quad
+
\quad\quad\quad

\chemname{
\chemfig[atom sep=2em]{
%纵向对齐
-[2,1,,,,transparent]
	C(-[1,]H)(=[3,]O)
	-[6,]C(-[,]OH)(-[4,]H)
	-[6,]CH_2OPO_3^{2-}
}
}{glyceraldehyde 3-phosphate}

\quad\quad
\quad\quad
\end{document}

-

\usepackage{chemfig}
\begin{document}

\chemfig{
	C
		(-[0,0.8]OH)
		(-[6,0.5]C
			(=[,0.8]O)
			(-[6,0.5]C(-[4,0.8]HO)
				(-[6,0.5]C(-[,0.8]OH)
					(-[6,0.5]C-[,0.8]\fbox{P})
				)
			)
		)
}
+
\chemfig{
	C
		(=[,0.8]O)
		(-[6,0.5]C(-[,0.8]OH)
				(-[6,0.5]C(-[,0.8]OH)
					(-[6,0.5]C-[,0.8]\fbox{P})
				)
		)
}

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

\chemfig{
	(-[2,0.5]OH)
	(>[5,0.5]
		(-[3,0.6])
		(<:[7.5,0.8]OH)
		(-[5,0.5]
			(<[7,0.8]OH)
			(-[4,0.5]
				(<:[5,0.8]HO)
				(-[3,0.5]
					(-[1,0.85]O)
					(<[3,0.5]
						(-[2,0.8]\fbox{P})
					)
				)
			)
		)
	)
}
+
\chemfig{
	C
		(-[2,0.5]H)
		(=[,0.5]O)
		(-[6,0.5]C(-[,0.5]OH)
			(-[6,0.5]CH_2-[,0.8]\fbox{P})
		)
}

\end{document}

-

\usepackage{chemfig}
\begin{document}

\chemfig{
	(-[6,0.5]OH)
	(-[0.5,0.5]
		(=[2,0.5]O)
		(-[7.5,0.5]
			(<:[6,0.8]OH)
			(-[0.5,0.5]
				(<:[2,0.8]OH)
				(-[7.5,0.5]
					(-[0.5,0.8]\fbox{P})
				)
			)
		)
	)
}
+
\chemfig{
	(=[3,0.8]O)
	(-[6,0.5](<[5,0.8]HO)
		(-[7.5,0.5](<[6,0.8]OH)
			(-[0.5,0.5]-[7.5,0.8]\fbox{P})
		)
	)
}

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

\chemfig{
	(-[2,0.5]OH)
	(>[5,0.5]
		(-[3,0.6])
		(<:[7.5,0.8]OH)
		(-[5,0.5]
			(<[7,0.8]OH)
			(-[4,0.5]
				(<:[5,0.8]HO)
				(-[3,0.5]
					(-[1,0.85]O)
					(<[3,0.5]
						(-[2,0.8]\fbox{P})
					)
				)
			)
		)
	)
}
+
\chemfig{
	(=[4.5,0.8]O)
	(-[7.5,0.5]
		(<[6,0.8]OH)
		(-[0.5,0.5]
			-[7.5,0.8]\fbox{P})
	)
}

\end{document}