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Blast - Basic Local Alignment Search Tool

Note: These are not yet installed for the current Centos 8 nodes. The binaries for the old Centos 6 nodes though can be found under /shared/opt/centos6/. They may work using a Centos 6 singularity container.

There is BLAST (called legacy BLAST) and a newer BLAST+ from NCBI (National Center for Biotechnology Information) and it can be confusing. The program names and functions in blast and blast+ are quite different.
See NCBI Homepage: and


Also called legacy blast, it is based on the NCBI C-toolkit.
These old versions can be found here:
Filenames are of the form: blast-#.#.#-CHIP-OS.tar.gz
Versions up to 2.2.26


Newer one based on the NCBI C++ toolkit.
All versions are found here:
The latest version is found here:
Filenames are of the form: ncbi-blast-#.#.#+-CHIP-OS.tar.gz
Versions from 2.2.18 onwards.