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Chemfig 对齐（-X>箭头）

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Chemfig 对齐（-X>箭头）

我在化学图形中遇到了一个小的对齐/间距问题。我正在使用这个 -X> 箭头，这是我在这我相信这篇文章。但正如您在调试信息中看到的那样，甘氨酸的结构与谷氨酰半胱氨酸的结构重叠。最重要的是，结构与“甘氨酸”标签之间的距离大于与其他结构的标签/化学名称之间的距离。我不知道如何解决这个问题，而不会让 -X> 箭头变得异常长。有人能帮忙吗？

在此处输入图片描述

我的代码（请原谅冗长的序言，它是用于 -X> 箭头；请参阅上面链接的帖子）：

\documentclass{scrbook}
\usepackage[utf8]{inputenc}
\usepackage{chemfig,chemformula}
\usepackage[version=4,arrows=pgf-filled]{mhchem}
\usepackage{tikz-cd}
\usetikzlibrary{shapes.geometric, arrows}
\usepackage{amsmath,amssymb}

% allow for editing Chemfig 
\catcode`\_=11
 
% Initial arguments:
% #1, #2: Same as for -U> (above arrow)
% #3: Additional label at midpoint (also above arrow)
% #4, #5, #6: Like #1, #2, and #3, but below arrow
% #7: Optional shift, default 0
% #8: Optional arrow radius
% #9: Optional arrow angle   
\definearrow9{-X>}{%
    \CF_arrowshiftnodes{#7}%
    \expandafter\draw\expandafter[\CF_arrowcurrentstyle](\CF_arrowstartnode)--(\CF_arrowendnode)node[midway](Xarrowarctangent){};%
    \CF_ifempty{#8}
        {\def\CF_Xarrowradius{0.333}}
        {\def\CF_Xarrowradius{#8}}%
    \CF_ifempty{#9}%
        {\def\CF_Xarrowabsangle{60}}
        {\pgfmathsetmacro\CF_Xarrowabsangle{abs(#9)}}
    % Draw top arrow (start)
    \edef\CF_tmpstr{[\CF_ifempty{#1}{draw=none}{\unexpanded\expandafter{\CF_arrowcurrentstyle}},-]}%
    \expandafter\draw\CF_tmpstr (Xarrowarctangent)%
    arc[radius=\CF_compoundsep*\CF_currentarrowlength*\CF_Xarrowradius,start angle=\CF_arrowcurrentangle-90,delta angle=-\CF_Xarrowabsangle]node(Xarrow1start){};
    % Draw bottom arrow (end)
    \edef\CF_tmpstr{[\CF_ifempty{#2}{draw=none}{\unexpanded\expandafter{\CF_arrowcurrentstyle}},-CF]}%
    \expandafter\draw\CF_tmpstr (Xarrowarctangent)%
    arc[radius=\CF_compoundsep*\CF_currentarrowlength*\CF_Xarrowradius,%
    start angle=\CF_arrowcurrentangle-90,%
    delta angle=\CF_Xarrowabsangle]%
    node(Xarrow1end){};
    % Draw bottom arrow (start)
    \edef\CF_tmpstr{[\CF_ifempty{#4}{draw=none}{\unexpanded\expandafter{\CF_arrowcurrentstyle}},-]}%
    \expandafter\draw\CF_tmpstr (Xarrowarctangent)%
    arc[radius=\CF_compoundsep*\CF_currentarrowlength*\CF_Xarrowradius,start angle=\CF_arrowcurrentangle+90,delta angle=\CF_Xarrowabsangle]node(Xarrow2start){};
    % Draw bottom arrow (end)
    \edef\CF_tmpstr{[\CF_ifempty{#5}{draw=none}{\unexpanded\expandafter{\CF_arrowcurrentstyle}},-CF]}%
    \expandafter\draw\CF_tmpstr (Xarrowarctangent)%
    arc[radius=\CF_compoundsep*\CF_currentarrowlength*\CF_Xarrowradius,%
    start angle=\CF_arrowcurrentangle+90,%
    delta angle=-\CF_Xarrowabsangle]%
    node(Xarrow2end){};
    % Insert labels
    \pgfmathsetmacro\CF_tmpstra{\CF_Xarrowradius*cos(\CF_arrowcurrentangle)<0?"-":"+"}%
    \pgfmathsetmacro\CF_tmpstrb{\CF_Xarrowradius*cos(\CF_arrowcurrentangle)<0?"+":"-"}%
    \ifdim\CF_Xarrowradius pt>0 pt
        \CF_arrowdisplaylabel{#1}{0}\CF_tmpstra{Xarrow1start}{#2}{1}\CF_tmpstra{Xarrow1end}%
        \CF_arrowdisplaylabel{#4}{0}\CF_tmpstrb{Xarrow2start}{#5}{1}\CF_tmpstrb{Xarrow2end}%
        \CF_arrowdisplaylabel{#3}{0.5}\CF_tmpstra\CF_arrowstartnode{}{}{}\CF_arrowendnode%
        \CF_arrowdisplaylabel{#6}{0.5}\CF_tmpstrb\CF_arrowstartnode{}{}{}\CF_arrowendnode%
    \else
        \CF_arrowdisplaylabel{#2}{0}\CF_tmpstra{Xarrow1start}{#1}{1}\CF_tmpstra{Xarrow1end}%
        \CF_arrowdisplaylabel{#5}{0}\CF_tmpstrb{Xarrow2start}{#4}{1}\CF_tmpstrb{Xarrow2end}%
        \CF_arrowdisplaylabel{#3}{0.5}\CF_tmpstra\CF_arrowstartnode{}{}{}\CF_arrowendnode%
        \CF_arrowdisplaylabel{#6}{0.5}\CF_tmpstrb\CF_arrowstartnode{}{}{}\CF_arrowendnode%
    \fi
}
% stop editting chemfig
\catcode`\_=8

\begin{document}

\begin{figure}
\centering
\setchemfig{scheme debug=true}
\schemestart
    \chemname{\chemfig{(-[:145,0.75]HOOC)(-[:270,0.75]NH_2)(-[:35,0.75]-[:325,0.75]-[:35,0.75](=[:90,0.75]O)-[:325,0.75]OH)}}{\color{blue!70}Glutamat}
    \+
    \chemname{\chemfig{(-[:145,0.75]HOOC)(-[:270,0.75]NH_2)(-[:35,0.75]-[:325,0.75]SH)}}{\color{blue!70}Cystein}
    \arrow(@c1.293--){-X>[*{0.180}\small\chemfig{ATP}][*{0.180}\small\chemfig{ADP+P_i}][][][][*{0}\small \color{blue!70}Glutamyl-Cystein-Ligase][][]}[-90,1]
    \chemname{\chemfig{(-[:145,0.75]HOOC)(-[:270,0.75]NH_2)(-[:35,0.75]-[:325,0.75]-[:35,0.75](=[:90,0.75]O)-[:325,0.75]\chembelow{N}{H}-[:35,0.75](-[:90,0.75]-[:135,0.75]HS)-[:325,0.75]COOH)}}{\color{blue!70}$\gamma$-Glutamylcystein}
    \arrow(@c2--){-X>[*{0.180}\small\chemfig{ATP}][*{0.180}\small\chemfig{ADP+P_i}][*{0}\small \color{blue!70}Glutathion-Synthetase][*{0}\chemname{\chemfig{NH_2-[:90,0.75]-[:35,0.75](=[:90,0.75]O)(-[:325,0.75]OH)}}{\color{blue!70}Glycin}][][][][]}[-90,2]
    \chemname{\chemfig{(-[:145,0.75]HOOC)(<:[:270,0.75]NH_2)(-[:35,0.75]-[:325,0.75]-[:35,0.75](=[:90,0.75]O)-[:325,0.75]\chembelow{N}{H}>[:35,0.75](-[:90,0.75]-[:135,0.75]HS)-[:325,0.75](=[:270,0.75]O)-[:35,0.75]\chemabove{N}{H}-[:325,0.75,1]-[:35,0.75]COOH)}}{\color{blue!70}Glutathion}
\schemestop
\end{figure}
\end{document}

答案1

箭头上有一点变化

\arrow(@c2--){-X>[*{0.180}\small\chemfig{ATP}][*{0.180}\small\chemfig{ADP+P_i}][*{0}\small \color{blue!70}Glutathion-Synthetase][*{0.45}\chemname{\chemfig{NH_2-[:90,0.75]-[:35,0.75](=[:90,0.75]O)(-[:325,0.75]OH)}}{\color{blue!70}Glycin}][][][][0.25]}[-90,3]

在此处输入图片描述

更新：完整的解决方案

\schemestart
\subscheme{\chemname{\chemfig{NH_2-[2,0.75,1](-[:145,0.75]HOOC)-[:35,0.75]-[:325,0.75]-[:35,0.75](-[:325,0.75]OH)=[:90,0.75]O}}{\color{blue!70}Glutamat}
\arrow{0}[,0.2] \+ \arrow{0}[,0.2]
\chemname{\chemfig{NH_2-[2,0.75,1](-[:145,0.75]HOOC)-[:35,0.75](=[:90,0.75,,,draw=none]\phantom{O})-[:325,0.75]SH}}{\color{blue!70}Cystein}}
\arrow(@c1.295--){-X>[*{0.180}\small\chemfig{ATP}][*{0.180}\small\chemfig{ADP+P_i}][][][][*{0}\small \color{blue!70}Glutamyl-Cystein-Ligase][][]}[-90,1]
\chemname{\chemfig{NH_2-[2,0.75,1](-[:145,0.75]HOOC)-[:35,0.75]-[:325,0.75]-[:35,0.75](=[:90,0.75]O)-[:325,0.75]\chembelow{N}{H}-[:35,0.75](-[:90,0.75]-[:135,0.75]HS)-[:325,0.75]COOH}}{\color{blue!70}$\gamma$-Glutamylcystein}
\arrow{-X>[*{0.180}\small\chemfig{ATP}][*{0.180}\small\chemfig{ADP+P_i}][*{0}\small\color{blue!70}Glutathion-Synthetase][*{0.45}\chemname{\chemfig{NH_2-[2,0.75]-[:35,0.75](-[:-35,0.75]OH)=[2,0.75]O}}{\color{blue!70}Glycin}][][][][0.25]}[-90,2.6]
\chemname{\chemfig{(-[:145,0.75]HOOC)(<:[:270,0.75]NH_2)(-[:35,0.75]-[:325,0.75]-[:35,0.75](=[:90,0.75]O)-[:325,0.75]\chembelow{N}{H}>[:35,0.75](-[:90,0.75]-[:135,0.75]HS)-[:325,0.75](=[:270,0.75]O)-[:35,0.75]\chemabove{N}{H}-[:325,0.75,1]-[:35,0.75]COOH)}}{\color{blue!70}Glutathion}
\schemestop

在此处输入图片描述

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