C6：亮氨酸（Leu，leucine）

称谓

亮氨酸 Leucine Leu

3D结构

CC(C)C[C@@H](C(=O)O)N

$结构式：$ -

\usepackage{chemfig}
\begin{document}
\chemfig{
C	(-[2,1]COOH
		-[2,0.5,,,transparent] % 上边缘支撑
	)
	(<[7.3,1]NH_2)
	(<:[,1]H)
	(-[4.7,1]CH_2
		-[4,1]CH
		(-[3.1,1]CH_3)
		(-[4.9,1]CH_3)
	)
}
\end{document}

^2

-

\usepackage{chemfig}
\begin{document}
\chemfig{
C
	(-[4,1]H_3N^{+})
	(-[2,1]COO^{-})
	(-[0,1]H)
	-[6,1]CH_{2}
	-[6,1]CH
		(-[5,1]H_{3}C)
		(-[7,1,1]CH_{3})
}
\end{document}

-

\usepackage{chemfig}
\begin{document}
\chemfig{
C
	(-[4,1]H_3N^{+})
	(-[2,1]COO^{-})
	(-[0,1]H)
	-[6,1,]\textcolor{blue}{C}(-[7.9,0.35,,,,transparent]\textcolor{blue}{H_{2}})
	-[6,1,,,,blue]\textcolor{blue}{C}(-[7.95,0.25,,,,transparent]\textcolor{blue}{H})
		(-[5,1,,,,blue]\textcolor{blue}{C}(-[4.1,0.35,,,,transparent]\textcolor{blue}{H_{3}}))
		(-[7,1,1,,,blue]\textcolor{blue}{C}(-[7.9,0.35,,,,transparent]\textcolor{blue}{H_{3}}))
}
\end{document}

^1

--- -

\usepackage{chemfig}
\begin{document}
\chemfig{
C
	(<[4,1]H_2N)
	(<:[2,1]COOH
		-[2,0.5,,,transparent] % 上边缘支撑
	)
	(<[0,1]H)
	(<:[6,1]CH_2-[6,1]
		(-[7,1])
		(-[5,1])
	)
}
\end{document}

^3

-

\usepackage{chemfig}
\begin{document}
\chemfig{
	(-[0.7,1]COOH
		-[2,0.5,,,transparent] % 上边缘支撑
	)
	(<[6,0.8]NH_2)
	(-[3.3,1]-[4.7,1]
		(-[6,0.8])
		(-[3.3,1])
	)
}
\end{document}

^4

-

\usepackage{chemfig}
\begin{document}
\chemfig{
	C
		(-[,0.6]NH_2)
		(-[4,0.5]H)
		(-[6,0.5]COOH)
		(-[2,0.5]C(-[,0.3]H_2)
			-[2,0.5]C
				(-[,0.5]CH_3)
				(-[2,0.5]CH_3)
				-[4,0.3]H
		)
} 
\end{document}

-

\usepackage{chemfig}
\begin{document}
\chemfig{
	(-[7,0.5]
		(=[,0.5]O)
		(-[5,0.5]HO)
	)
	(-[4,0.6]H_2N)
	(-[1,0.5]
		-[3,0.5]
			(-[2,0.5])
			(-[4,0.5])
	)
} 
\end{document}

• 形成肽链

\usepackage{chemfig}
\begin{document}

%% 亮氨酸a
\definesubmol\leua{
N
	(-[::+60,0.3,,,,transparent]H)
	-[::-60]
		(<:[::-60]-[::30]
			(-[::60])
			(-[::-60])
		)
	-[::60]
		(=[::60]O)
}
%% 亮氨酸b
\definesubmol\leub{
N
	(-[::-60,0.3,,,transparent]H)
	-[::60]
		(<[::60]-[::30]
			(-[::60])
			(-[::-60])
		)
	-[::-60]
		(=[::-60]O)
}
\chemfig{
H
	-[::+30]!\leua
	-[::-60]!\leub
	-[::+60]!\leua
	-[::-60]!\leub
	-[::+60]!OH
}
\end{document}

^5-1

• 形成肽链-带颜色

\usepackage{chemfig}
\begin{document}

%% 亮氨酸a
\definesubmol\leua{
N
	(-[::+60,0.3,,,,transparent]H)
	-[::-60]
		(<:[::-60,,,,green]-[::30,,,,blue]
			(-[::60,,,,blue])
			(-[::-60,,,,blue])
		)
	-[::60]
		(=[::60]O)
}
%% 亮氨酸b
\definesubmol\leub{
N
	(-[::-60,0.3,,,transparent]H)
	-[::60]
		(<[::60,,,,green]-[::30,,,,blue]
			(-[::60,,,,blue])
			(-[::-60,,,,blue])
		)
	-[::-60]
		(=[::-60]O)
}
\chemfig{
H
	-[::+30]!\leua
	-[::-60]!\leub
	-[::+60]!\leua
	-[::-60]!\leub
	-[::+60]!OH
}
\end{document}

^5-2