SRP125229 PRJNA418973 GSE107076 Global dynamics of stage-specific transcription factor binding during thymocyte development ATAC-seq in DN, DP, CD4 SP and CD8 SP thymocytes isolated from 9 weeks-old wild type C57BL/6J mouse Overall design: Anlysis of 4 mice in 4 different stages GSE107076 pubmed 29618724