SRR2145725 XLATAC17_S9_R1.fastq.gz WT pro B atac_seq_1 SRR2145727 XLATAC14_S6_R1.fastq.gz WT pro B atac_seq_2 SRR2145728 XLATAC16_S8_R1.fastq.gz Tet2/3 DKO pro B atac_seq_1 SRR2145730 XLATAC13_S5_R1.fastq.gz Tet2/3 DKO pro B atac_seq_2