ID test
PO	A	C	G	U
0	0.855071014203	0.0483096619324	0.0483096619324	0.0483096619324
1	0.24124824965	0.0	0.0	0.75875175035
2	0.0	0.0	0.0	1.0
3	0.0	0.0	0.0	1.0
4	0.862272454491	0.0459091818364	0.0459091818364	0.0459091818364