Blast

Blast - Basic Local Alignment Search Tool

There is BLAST (called legacy BLAST) and a newer BLAST+ from NCBI (National Center for Biotechnology Information) and it can be confusing.
NCBI Homepage: http://blast.ncbi.nlm.nih.gov

The program names and functions in blast and blast+ are quite different. See: http://www.ncbi.nlm.nih.gov/books/NBK52640/

We have both installed on the cluster.

$ yum info blast
$ yum info ncbi-blast

blast

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

blast+

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

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