dihydropteroate synthase DHS DHPS
[[对氨基苯甲酸（PABA）]]+[[二磷酸蝶啶（Pteridine diphosphate）]]<->[[二氢蝶酸（7,8-dihydropteroate）]]+二磷酸
\usepackage{chemfig}
\begin{document}
\chemfig{
NH_2-[2,0.6]**6(
-
-
-(-[,0.6]C
(=[4,0.7]O)
(-[2,0.7]OH)
)
-
-
-
)
}
+
\chemfig{
N(-[4,0.3]H)
-[7,0.8](-[6,0.6]NH_2)
=[,0.8]N
-[1,0.8](=[,0.6]O)
-[3,0.8]
(-[1,0.8]N
=[3,0.8](-[2,0.6]
-[,0.6]\fbox{P}
-[,0.8]\fbox{P}
)
-[4,0.8]-[5,0.8]N(-[4,0.3]H)-[7,0.8])
=[4,0.8]-[5,0.6]
}
\begin{tikzpicture}
\draw [<->] (0,0) to node[above] {DHPS} (1,0);
\end{tikzpicture}
\chemfig{
N(-[4,0.3]H)-[7,0.8](-[6,0.6]NH_2)=[,0.8]N(-[0,0.3]H)-[1,0.8](=[,0.6]O)-[3,0.8]
(-[1,0.8]N=[3,0.8]
(-[2,0.6]CH_2-[2,0.6]
NH-[2,0.6]**6(
-
-
-(-[,0.6]C
(=[4,0.7]O)
(-[2,0.7]
OH
)
)
-
-
-
)
)
-[4,0.8]-[5,0.8]N(-[4,0.3]H)-[7,0.8])
=[4,0.8]-[5,0.6]
}
+$
\end{document}[[0. 磺胺类（Sulfonamides，SAs）]]阻碍