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File:Visual cycle.svg

From Wikipedia, the free encyclopedia

Original file ‎(SVG file, nominally 841 × 750 pixels, file size: 19 KB)

Summary

Description
The chemical reactions involved in a visual cycle. Image generated as PDF using LaTeX and then converted to SVG using dvisvgm. The resulting SVG was manually edited.
Date
Source Own work
Author Krishnavedala
SVG development
InfoField
 
The SVG code is valid.
 
This diagram was created with LaTeX by Rubber Duck (☮ • ✍).
Translate this file This SVG file contains embedded text that can be translated into your language, using any capable SVG editor, text editor or the SVG Translate tool. For more information see: About translating SVG files.

LaTeX Source Code

Click to the right to expand 
\documentclass[12pt,border=0pt,tikz,class=scrartcl]{standalone}
\usepackage[T1]{fontenc}
\usepackage[latin1]{inputenc}
\usepackage{lmodern}
\usepackage{mathtools,amssymb}
\usepackage{pgfplots}
\pgfplotsset{compat=1.10}
\usetikzlibrary{positioning,calc,arrows,fit,backgrounds,decorations.text,shapes}

\usepackage{chemfig,chemmacros}
\renewcommand*{\familydefault}{\sfdefault}
\renewcommand*\printatom[1]{\ensuremath{\mathsf{#1}}}
\setatomsep{1.5em}
\setdoublesep{.6ex}
\setarrowdefault{,1,ultra thick}
\setbondstyle{thick,cap=round}

\pagestyle{empty}
\begin{document}
\begin{tikzpicture}
	\node (n1) {
		\chemfig{*6(--(-)=(
		-=_[::-60]-[::60](-[2])
		=_[::-60]-[::60]=_[::-60]-[::60](-[2])
		=_[::-60]-[::60]=^[::-60]N(-[6,.6,,1,draw=none]H|^{\scriptstyle+})-[::60,,,1]R|hodopsin
		)-(-[::-30])(-[::-90])--)}
	};
	\node at ($(n1)-(25em,0)$) (n2) {
		\chemfig{*6(--(-)=(
		-=_[::-60]-[::60](-[2])
		=_[::-60]-[::60]=_[::-60]-[::60](-[2])
		=_[::-60]-[::60]=_[::-60]O
		)-(-[::-30])(-[::-90])--)}
	};
	\node at ($(n2)-(2,4.8)$) (n3) {
		\chemfig{*6(--(-)=(
		-=_[::-60]-[::60](-[2])
		=_[::-60]-[::60]=_[::-60]-[::60](-[2])
		=_[::-60]-[::60]-[::-60]OH
		)-(-[::-30])(-[::-90])--)}
	};
	\node at ($(n3)-(0,3.8)$) (n4) {
		\chemfig{*6(--(-)=(
		-=_[::-60]-[::60](-[2])
		=_[::-60]-[::60]=_[::-60]-[::60](-[2])
		=_[::-60]-[::60]-[::-60]OH
		)-(-[:120])(-[:60])--)}
	};
	\node at ($(n4.west)-(0,4)$) (n5) [anchor=west] {
		\chemfig{*6(--(-)=(
		-=_[::-60]-[::60](-[2])
		=_[::-60]-[::60]=_[::-60]-[::60](-[2])
		=_[::-60]-[::60]-[::-60]O-[::60](=[2]O)-[::-60]R
		)-(-[:120])(-[:60])--)}
	};
	\node at ($(n5)+(34em,0)$) (n6) {
		\chemfig{*6(--(-)=(
		-=_[::-60]-[::60](-[2])
		=_[::-60]-[::60]=_[::-60]-[6](-[::-60])=^[::60]-[::-60]-[::60]OH
		)-(-[:120])(-[:60])--)}
	};
	\node at ($(n6)+(0,4)$) (n7) {
		\chemfig{*6(--(-)=(
		-=_[::-60]-[::60](-[2])
		=_[::-60]-[::60]=_[::-60]-[6](-[::-60])=^[::60]-[::-60]=^[::60]O
		)-(-[:120])(-[:60])--)}
	};
	\node at ($(n7.east)+(.1,2.9)$) (n8) [anchor=south east] {
		\chemfig{*6(--(-)=(
			-=_[::-60]-[::60](-[2])
			=_[::-60]-[::60]=_[::-60]-[6](-[::-60])=^[::60]-[::-60]=^[::60]
			N(-[6,.6,,1,draw=none]H|^{\scriptstyle+})-[::60,,,1]R|hodopsin
			)-(-[:120])(-[:60])--)}
	};
	\node at ($(n5.east)!.5!(n6.west)-(3.7,4)$) (n9) {
		\chemfig{*6(--(-)=(
			-=_[::-60]-[::60](-[2])
			=_[::-60]-[::60]=_[::-60]-[6](-[::-60])=^[::60]-[::-60]-[::60]OH
			)-(-[:120])(-[:60])--)}
	};
	\node at ($(n5.east)!.5!(n6.west)+(3.7,-4.5)$) (n10) {
		\chemfig{*6(--(-)=(
			-=_[::-60]-[::60](-[2])
			=_[::-60]-[::60]=_[::-60]-[6](-[::-60])=^[::60]-[::-60]-[::60]O-[::-60] (-[::60]R)=[::-60]O
			)-(-[:120])(-[:60])--)}
	};
	\begin{pgfonlayer}{background} 
		\node [rounded corners=2em,draw=green,fill=yellow!30,line width=6pt,fit=(n1) (n2) (n3) (n8),inner sep=8pt] (big1) {};
		\node [rounded corners=2em,draw=green,fill=cyan!30,line width=6pt,fit=(n4) (n5) (n6) (n7) (n9) (n10),inner sep=8pt] (big2) {};
	\end{pgfonlayer}
	\draw [-latex,ultra thick] 
		(n1.west) -- (n2.east) 
		node [pos=.5,above] {\large\chemfig[green!50!black]{H_2O}};
	\draw [-latex,ultra thick] 
		(n2.south) node [above right] {\large all-trans retinal} 
		-- (n3.north) 
		node [pos=.5,left] {\large\color{green!50!black}all-trans RDH};
	\draw [-latex,ultra thick] 
		(n3.south) node [above right] {\large all-trans retinol} 
		-- (n4.north);
	\draw [-latex,ultra thick] 
		(n4.south) node [above right] {\large all-trans retinol} 
		-- (n4.north |- n5.north) 
		node [pos=.5,right] {\large\color{green!50!black}LRAT};
	\draw [-latex,ultra thick] 
		node at ($(n5)+(1,-1)$) {\large all-trans retinyl ester} 
		(n5.east) -- (n6.west) 
		node [pos=.5,above] {\large\color{green!50!black}RPE65};
	\draw [very thick] 
		(n9.north) .. controls ++(0,1.5) and ++(-1.5,0) .. ($(n5.east)!.5!(n6.west)$);
	\draw [-latex,very thick] 
		($(n5.east)!.5!(n6.west)$) .. controls ++(1.5,0) and ++(0,1.5) .. (n10.north);
	\draw [-latex,ultra thick] 
		node at ($(n6)+(0,-1)$) {\large 11-cis retinol} 
		(n6.north) -- ($(n7.south)+(0,.45)$) 
		node [pos=.5,left] {\large\color{green!50!black}11-cis RDH} 
		node [pos=1,above] {\large 11-cis retinal};
	\draw [-latex,ultra thick]
		(n7.north) -- (n7.north |- n8.south)
		node [pos=1,left] {\large 11-cis retinilidene};
	\draw [-latex,ultra thick]
		(n8.north) -- ($(n1.south)-(0,.1)$)
		node [pos=1,above] {\large all-trans retinilidene}
		node [pos=.5,right,inner xsep=8pt] {\large\color{green!50!black}h$\nu$};
	\draw [decorate, decoration={brace,amplitude=2em}, ultra thick]
		(big1.south west) -- (big1.north west)
		node [pos=.5,anchor=south,xshift=-20pt,rotate=90] {\Large Rod outer segment};
	\draw [decorate, decoration={brace,amplitude=2em}, ultra thick]
		(big2.south west) -- (big2.north west)
		node [pos=.5,anchor=south,xshift=-20pt,rotate=90] {\Large Retinal pigment epithelium};
\end{tikzpicture}
\end{document}

Licensing

I, the copyright holder of this work, hereby publish it under the following license:
w:en:Creative Commons
attribution share alike
This file is licensed under the Creative Commons Attribution-Share Alike 4.0 International license.
You are free:
  • to share – to copy, distribute and transmit the work
  • to remix – to adapt the work
Under the following conditions:
  • attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
  • share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.

Captions

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Items portrayed in this file

depicts

inception

10 April 2015

File history

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Date/TimeThumbnailDimensionsUserComment
current02:13, 30 March 2016Thumbnail for version as of 02:13, 30 March 2016841 × 750 (19 KB)KrishnavedalaMuch reduced and text is now translatable
07:34, 11 April 2015Thumbnail for version as of 07:34, 11 April 2015824 × 748 (82 KB)KrishnavedalaPDF conversion using {{w|dvisvgm}} giving a much optimized SVG
17:59, 10 April 2015Thumbnail for version as of 17:59, 10 April 2015829 × 748 (121 KB)KrishnavedalaUser created page with UploadWizard
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Retrieved from "https://en.wikipedia.org/wiki/File:Visual_cycle.svg"
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