C2：甘氨酸（Gly，glycine）

称谓

甘氨酸 Gly glycine

3D结构

C(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]H
	)
}
\end{document}

^2

-

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

^1

---

-

\usepackage{chemfig}
\begin{document}
\chemfig{
	C
		(<[,1]H)
		(<:[2,1]COOH
			-[2,0.5,,,transparent] % 上边缘支撑
		)
		(<[4,1]NH_2)
		(<:[6,1]H)
} 
\end{document}

^3

-

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

^4

-

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

-

\usepackage{chemfig}
\begin{document}
\chemfig{
	(=[2,0.8]O)
	(-[7.5,0.8]OH)
	(-[4.5,0.8]
		-[3.5,0.8]NH_2
	)
}
\end{document}

-

\usepackage{chemfig}
\begin{document}
\chemfig{
(=[2,0.8]O)
(-[4.5,0.8]HO)
(-[7.5,0.8]
	-[0.5,0.8]NH_2
)
} 
\end{document}

• 形成肽链

\usepackage{chemfig}
\begin{document}

%% 甘氨酸a
\definesubmol\glya{
N
	(-[::60,0.3,,,transparent]H)
	-[::-60]
		(-[::-60]H
		)
	-[::60]
		(=[::60]O
			-[2,0.5,,,transparent] % 上边缘支撑
		)
}
%% 甘氨酸b
\definesubmol\glyb{
N
	(-[::-60,0.3,,,transparent]H)
	-[::60]
		(-[::60]H
		)
	-[::-60]
		(=[::-60]O)
}
\chemfig{
H
	-[::+30]!\glya
	-[::-60]!\glyb
	-[::+60]!\glya
	-[::-60]!\glyb
	-[::+60]!OH
}
\end{document}

^5-1

• 形成肽链-带颜色

\usepackage{chemfig}
\begin{document}

%% 甘氨酸a
\definesubmol\glya{
N
	(-[::+60,0.3,,,,transparent]H)
	-[::-60]
		(-[::-60,,,,green]\textcolor{green}{H}
		)
	-[::60]
		(=[::60]O
			-[2,0.5,,,transparent] % 上边缘支撑
		)
}
%% 甘氨酸b
\definesubmol\glyb{
N
	(-[::-60,0.3,,,transparent]H)
	-[::60]
		(-[::60,,,,green]\textcolor{green}{H}
		)
	-[::-60]
		(=[::-60]O)
}
\chemfig{
H
	-[::+30]!\glya
	-[::-60]!\glyb
	-[::+60]!\glya
	-[::-60]!\glyb
	-[::+60]!OH
}
\end{document}

^5-2