How to BLAST a FASTA sequence with unknown organism source
I have a FASTA file including seven following contigs that I cannot find the origin of these contigs.
>chrZ_001422_local
>chrZ_012849_local
>chrZ_012851_local
>chrZ_012855_local
>chrZ_012856_local
>chrZ_012857_local
>chrZ_014931_local
I tried many BLAST tools such as ENSEMBLE, and NCBI and I could not able to identify these contigs which organisms related to. Does any one know any approach that I can search among all organisms (both vertebrates and invertebrates) to identify the origin of these contigs?
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Just run BLAST (whatever algorithm appeals most) on your sequences against all of NR.