library_construction_protocol: pipeline protocol: https://www.encodeproject.org/documents/c2335554-ab58-4d75-baa2-0de0a087fe8a/@@download/attachment/20240501_PRO-cap_Computational_Pipeline.pdf general protocol: https://www.encodeproject.org/documents/8a82200a-023f-439d-ae91-a1a1bf80eaa0/@@download/attachment/20220128_PROcap_Experimental_Protocol.pdf