GSM6637930: ATAC-seq from spleen (ENCLB256QPQ); Homo sapiens; ATAC-seq
general protocol: https://www.encodeproject.org/documents/ce0b7d60-8043-4fd8-9a2e-fd6df4127c76/@@download/attachment/ENCODE4_ATAC_TissueProcessing_v1.pdf