BAM (Binary Alignment Map)
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Revision as of 02:13, 4 August 2020
BAM (Binary Alignment Map) is a data format used for mapping sequences of DNA. It is a compressed binary version of the data in the SAM format. It is classified as an alignment format, as is CRAM. This is as opposed to sequence-only, unaligned, formats such as FASTA and FASTQ.
BAM is compressed as a series of compressed blocks, each one a gzip archive. This is known as BGZF compression.
