File:Nucleotides syn1.svg

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% From: http://tex.stackexchange.com/a/125761
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\begin{document}
\definesubmol\nobond{-[,0.2,,,draw=none]}
\definesubmol{rb}{Ribotide}
\schemestart[][west]
	\chemname{\chemfig{ {\color{red}P}-O--[:-18]*5(-(<:HO)-(<:OH)-(<:OH)-O-) } }{\color{brown}R5P}
    \arrow{-X>[{\color{orange}ATP}][{\color{orange}AMP}][{\color{magenta}\ch{Mg^2+} }][][][\color{blue}PRPS1]}
	\chemname{\chemfig{ {\color{red}P}-O--[:-18]*5(-(<:HO)-(<:OH)-(<:O-[0]{\color{red}P}-[0,,,,red,decorate,decoration=snake, segment length=6pt]{ {\color{red}P} })-O-) } }{\color{brown}PRPP}
    \arrow{-X>[{\color{orange}Gln},{\color{red}\ch{H2O} }][{\color{brown}Glu},{\color{red}2\ch{P_i} }][{\color{magenta}\ch{Mg^2+} }][][][\parbox{5em}{\centering\color{blue}PPAT\\1}]}
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    \arrow(.-45--){-X>[*0{ {\color{orange}ATP},{\color{brown}Gly} }][*0{ {\color{orange}ADP},{\color{red}\ch{P_i} } }][*0{\color{magenta}\ch{Mg^2+} }][][][*0\parbox{5em}{\centering\color{blue}GART (E1)\\2}]}[-90,1.5]
    \chemname*{\chemfig{O=[:30](-[2]-[::-60]NH_2)-[:-30]NH-[6,,1]!{rb} } }{\color{brown}GAR}
    \arrow{-X>[][][\parbox{5em}{\centering\color{blue}GART (E2)\\3}][\parbox{2.75cm}{ {\color{orange}\ch{N^{10} }-formyl-THF} }][{\color{orange}THF}][][-2em]}[180,3]
    \chemname*{\chemfig{ O=[:30] *6(-NH(-[6]!{rb})-[,,,,draw=none]O=-NH--) } }{\color{brown}FGAR}
    \arrow{-X>[][][\parbox{5em}{\centering\color{blue}PFAS\\4}][{\color{orange}Gln},{\color{orange}ATP},{\color{red}\ch{H2O} }][{\color{brown}Glu},{\color{orange}ADP},{\color{red}\ch{P_i} }][{\color{magenta}\ch{Mg^2+} }][-2em]}[180,2.5]
    \chemname*{\chemfig{ HN=[:30] *6(-NH(-[6]!{rb})-[,,,,draw=none]O=-NH--) } }{\color{brown}FGAM}
    \arrow{-X>[][][\parbox{5em}{\centering\color{blue}GART (E3)\\5}][{\color{orange}ATP}][{\color{orange}ADP},{\color{red}\ch{P_i} }][{\color{magenta}\ch{Mg^2+} }][-2em]}[180]
    \chemname*{\chemfig{*5((-H_2N)-N(-!{rb})-=N-=)} }{\color{brown}AIR}
    \arrow{-X>[*0{ {\color{orange}ATP},{\color{red}\ch{HCO3^-} } }][*0{ {\color{orange}ADP},{\color{red}\ch{P_i} } }][*0{\color{magenta}\ch{Mg^2+} }][][][*0\parbox{5em}{\centering\color{blue}PAICS (E1)\\6}]}[-90]
    \chemname*{\chemfig{*5((-HN_2)-N(-!{rb}) -=N- (-[:150](=[::-60]O)-[::60]OH) =)} }{\color{brown}CAIR}
    \arrow{-X>[{\color{orange}ATP},{\color{brown}ASP}][{\color{orange}ADP},{\color{red}\ch{P_i} }][{\color{magenta}\ch{Mg^2+} }][][][\parbox{5em}{\centering\color{blue}PAICS (E2)\\7}]}
    \chemname*{\chemfig{ O=[:30] *6(-O^{-} -[,,,,draw=none]-[,,,,draw=none]\chembelow{N}{H} (-[:30](=[2]O)-[:-36]*5(=(-H_2N)-N(-!{rb})-=N-))
    	- (-(=[::60]O)-[::-60]O^{-}) --) } }{\color{brown}SACAIR}
    \arrow{-X>[][{\color{brown}Fumarate}][][][][\parbox{5em}{\centering\color{blue}ADSL\\8}]}\quad
    \chemname*{\chemfig{*5((-HN_2)-N(-!{rb}) -=N- (-[:120](=[::-60]O)-[::60]NH_2) =)} }{\color{brown}AICAR}
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    \chemname*{\chemfig{*5((-HN-[::-60]=[::60]O)-N(-!{rb}) -=N- (-[:150](=[::-60]O)-[::60]NH_2) =)} }{\color{brown}FAICAR}
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\schemestop
\end{document}