Filter out unmapped reads
Category Read Filters
OverviewFilter out unmapped reads.
Unmapped reads are defined by three criteria:
- SAM flag value 0x4
- An asterisk for reference name or RNAME (column 3 of a SAM record)
- A zero value for leftmost mapping position for POS (column 4 of SAM record)
GATK version 220.127.116.11-SNAPSHOT built at Fri, 24 Apr 2020 12:01:12 -0400.
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