wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/files/b781c571-2ebb-4e93-a85f-eaa4cbfc13d4/4DNFINJFAPVM.r3d
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/files/b781c571-2ebb-4e93-a85f-eaa4cbfc13d4/4DNFINJFAPVM.r3d Chr4A_Nucl_85.r3d
test "5e87f0f596f60666a8aba3d2659857c4" = "$(md5sum Chr4A_Nucl_85.r3d)"
drs get -d https://data.4dnucleome.org 4DNFINJFAPVM