set xlabel "Time"
set ylabel "Number of molecules"
set logsc y
plot   [0:100] [100:1300] "/tmp/smb.dat" using 1:3 title 'DAPEx' with lines
replot                    "/tmp/smb.dat" using 1:4 title 'DAP' with lines
replot                    "/tmp/smb.dat" using 1:5 title 'Cre' with lines