%% 
%%  The LaTeX Graphics Companion, 2ed (first printing May 2007)
%% 
%%  Example 5-5-12 on page 231.
%% 
%%  Copyright (C) 2007 Michel Goossens, Frank Mittelbach, Denis Roegel, Sebastian Rahtz, Herbert Vo\ss 
%% 
%%  It may be distributed and/or modified under the conditions
%%  of the LaTeX Project Public License, either version 1.3
%%  of this license or (at your option) any later version.
%% 
%%  See http://www.latex-project.org/lppl.txt for details.
%% 

\documentclass{ttctexa}
\pagestyle{empty}
\setcounter{page}{6}
\setlength\textwidth{348.0pt}
\usepackage{graphicx}
\newsavebox\IBox%
\sbox\IBox{\includegraphics[scale=0.75]{pstricks/overlay50-2}}
\StartShownPreambleCommands
\usepackage{pstricks,pst-node}
\StopShownPreambleCommands
\begin{document}
\begin{pspicture}(-2,0)(1.1\wd\IBox,1.4\ht\IBox)
  \rput[lb](0,0){\usebox\IBox}
  \pnode(-0.5,0){A}\pnode(-0.5,\ht\IBox){B}
  \ncline{->}{A}{B}
  \ncput*[nrot=:U]{\small molecular weight}
  \rput[rC](-1,.3\ht\IBox){\small $13$\,db}
  \rput[rC](-1,.65\ht\IBox){\small $38$\,db}
  \rput[rC](-1,.8\ht\IBox){\small $76$\,db}
  \pnode(0,1.05\ht\IBox){A}\pnode(\wd\IBox,1.05\ht\IBox){B}
  \ncline{->}{A}{B}
  \ncput*{\small molecular weight in the complex}
  \rput[rC]{-90}(0.1\wd\IBox,1.1\ht\IBox){\small $-100$\,kDa}
  \rput[rC]{-90}(0.8\wd\IBox,1.1\ht\IBox){\small $-800$\,kDa}
  \psline[linewidth=0.1pt,arrowscale=2]{|-|}(4,1)(5,1)
  \uput[-90](4.5,1){\small $1$\,$\mu$m}
\end{pspicture}
\end{document}