Download the following dataset from 10x site:
PBMC from a healthy donor - granulocytes removed through cell
sorting (10k)
When fragments=TRUE
the fragment file and its index are downloaded as well.
Link: https://support.10xgenomics.com/single-cell-multiome-atac-gex/datasets/1.0.0/pbmc_granulocyte_sorted_10k
Processed data: Filtered feature barcode matrix MEX (DIR)
Fragments: ATAC Per fragment information file (TSV.GZ)