file	normalization factor	total signal
SRR1657531.bedGraph	0.432070	2.31444e+09
SRR1657530.bedGraph	0.404227	2.47386e+09
SRR1657529.bedGraph	0.401865	2.4884e+09
SRR1657528.bedGraph	0.318330	3.14139e+09
SRR1657527.bedGraph	0.344519	2.9026e+09
SRR1657532.bedGraph	0.429323	2.32925e+09