Software at OSC |
BLATIntroductionBLAT is a sequence analysis tool which performs rapid mRNA/DNA and cross-species protein alignments. BLAT is more accurate and 500 times faster than popular existing tools for mRNA/DNA alignments and 50 times faster for protein alignments at sensitivity settings typically used when comparing vertebrate sequences. BLAT is not BLAST. DNA BLAT works by keeping an index of the entire genome (but not the genome itself) in memory. Since the index takes up a bit less than a gigabyte of RAM, BLAT can deliver high performance on a reasonably priced Linux box. The index is used to find areas of probable homology, which are then loaded into memory for a detailed alignment. Protein BLAT works in a similar manner, except with 4-mers rather than 11-mers. The protein index takes a little more than 2 gigabytes. More information can be found at http://www.kentinformatics.com/index.asp Version
AvailabilityBLAT is available on the IBM Opteron Cluster. Usage
DocumentationOnline documentation is available at: http://www.kentinformatics.com/blatfaq.asp. |
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