Paired-end 150 means that one read of 150 bases in size is generated from each end of the fragment through the inserted middle piece of target DNA from both directions for a total of 2 (paired) reads per fragment.
Paired-end 150 means that one read of 150 bases in size is generated from each end of the fragment through the inserted middle piece of target DNA from both directions for a total of 2 (paired) reads per fragment.