\begin{overpic}[width=0.49\textwidth]{M4chr5b-041}
\put(1,74){\colorbox{white}{(\sublabel{M4chr5b-041}) \href{http://dream.misasa.okayama-u.ac.jp/?q=20170908194759-759095}{M4chr5b-041}}}
%%(\subref{M4chr5b-041}) \href{M4chr5b-041}
\color{red}
\put(46.5,66.6){\footnotesize \circle{0.7} \href{http://dream.misasa.okayama-u.ac.jp/?q=20161109191533-725016}{spot of ys_chr_ok10vma@3206}} % 20161109191533-725016 % \vs(-1406.4, -4018.4)
\put(5.5,44.6){\footnotesize \circle{0.7} \href{http://dream.misasa.okayama-u.ac.jp/?q=20161109191532-533198}{spot of ys_chr_ok10vma@3205}} % 20161109191532-533198 % \vs(-1448.5, -4037.5)
\put(47.0,42.0){\footnotesize \circle{0.7} \href{http://dream.misasa.okayama-u.ac.jp/?q=20170908194754-186429}{spot of ys_chr_OK10VMa@21}} % 20170908194754-186429 % \vs(-1403.5, -4042.9)
%%scale 10 micro meter
\put(1,1){\line(1,0){9.0}}
\end{overpic}