Box , ▁Z erg , ▁Bio Parser , ▁B LA ST - Ex plorer ▁ ▁special ized ▁B LA ST - related ▁tools : ▁M EG AN , ▁B LA ST 2 GEN E , ▁BO V , ▁Cir co let to ▁ ▁Us es ▁of ▁B LA ST ▁▁ ▁B LA ST ▁can ▁be ▁used ▁for ▁several ▁purposes . ▁These ▁include ▁ident ifying ▁species , ▁loc ating ▁domains , ▁establish ing ▁ph y log eny , ▁DNA ▁mapping , ▁and ▁comparison . ▁ ▁Ident ifying ▁species ▁With ▁the ▁use ▁of ▁B LA ST , ▁you ▁can ▁possibly ▁correctly ▁identify ▁a ▁species ▁or ▁find ▁hom olog ous ▁species . ▁This ▁can ▁be ▁useful , ▁for ▁example , ▁when ▁you ▁are ▁working ▁with ▁a ▁DNA ▁sequence ▁from ▁an ▁unknown ▁species . ▁ ▁Loc ating ▁domains ▁When ▁working ▁with ▁a ▁protein ▁sequence ▁you ▁can ▁input ▁it ▁into ▁B LA ST , ▁to ▁locate ▁known ▁domains ▁within ▁the ▁sequence ▁of ▁interest . ▁ ▁Est ab lish ing ▁ph y log eny ▁Using ▁the ▁results ▁received ▁through ▁B LA ST ▁you ▁can ▁create ▁a ▁ph y log en etic ▁tree ▁using ▁the ▁B LA ST ▁web - page . ▁Ph y log en ies ▁based ▁on ▁B LA ST ▁alone ▁are ▁less ▁reliable ▁than ▁other ▁purpose - built ▁computational ▁ph y log en etic ▁methods , ▁so ▁should ▁only ▁be ▁re lied ▁upon ▁for ▁" first ▁pass " ▁ph y log en etic ▁anal ys es . ▁ ▁DNA ▁mapping ▁When ▁working ▁with ▁a ▁known ▁species ,