file format type num_seqs sum_len min_len avg_len max_len ERR5001997_1.fastq FASTQ DNA 100,000 14,990,004 100 149.9 151 ERR5001997_2.fastq FASTQ DNA 100,000 14,998,358 100 150 151 ERR5001999_1.fastq FASTQ DNA 100,000 14,987,993 100 149.9 151 ERR5001999_2.fastq FASTQ DNA 100,000 14,989,178 100 149.9 151