'reference_name.grp', 'reference_name.ti', 'reference_name.seq', 'reference_name.idx.fa', and 'reference_name.chrlist' are used by RSEM internally.
'reference_name.grp', 'reference_name.ti', 'reference_name.seq', 'reference_name.idx.fa', and 'reference_name.chrlist' are used by RSEM internally.