blast+简介

blast+有三大工具类型：

功能	search	database	filter
命令	blastn, blastp, blastx, tblastx, tblastn, psiblast, rpsblast, and rpstblastn	makeblastdb, blastdb_aliastool, makeprofiledb, and blastdbcmd	segmasker, dustmasker, and windowmasker.

1.search:

2.database:

makeblastdb:Application to create BLAST databases.

blastdbcmd: BLAST database client

blastdb_aliastool:Application to create BLAST database aliases.

makeprofiledb: Application to create databases for rpsblast, cobalt and deltablast

3.filter:

Segmasker is an application that identifies and masks low complexity regions of protein sequences.

The dustmasker application provides a similar functionality for nucleotide sequences.

Windowmasker uses a genome to identify sequences represented too often to be of interest to most users.