Sample	Total Read Count	Portion (%)
col1	140,005,591	15.898
col2	116,721,322	13.254
col3	142,097,062	16.136
glr4mutant1	104,143,166	11.825
glr4mutant2	109,037,597	12.381
glr4mutant3	119,718,550	13.594
glutamate	126,416,516	14.355
undetermined_library	22,509,394	2.556