hub 201703_X4_RCHACV_ctrl.tp_4h_2_UCSC_hg19 shortLabel 201703_X4_RCHACV_ctrl.tp_4h_2_UCSC_hg19 longLabel 201703_X4_RCHACV_ctrl.tp_4h_2_UCSC_hg19 genomesFile genomes.txt email merjahe@ucsd.edu