How to extract only the specific fasta sequences by matching the ID's to a different source files ?

1

Hi

I had 1000's of Multiline text files with sequence ID's, each text file has only 9 sequence ID's.
Example file:

>gene1

>gene2

>gene3

>gene4

>gene5

>gene6

>gene7

>gene8

>gene9


I'm interested in matching the gene1 ID to a ex1fasta and extracting only the gene1 ID sequence to a separate file ?
gene1 ID to ex1fasta >> out.fa
gene2 ID to ex2fasta >> out.fa
gene3 ID to ex3fasta >> out.fa
gene4 ID to ex4fasta >> out.fa
gene5 ID to ex5fasta >> out.fa
gene6 ID to ex6fasta >> out.fa
gene7 ID to ex7fasta >> out.fa
gene8 ID to ex8fasta >> out.fa
gene9 ID to ex9fasta >> out.fa

I tried using this post it, I'm unable to How to extract fasta sequences and only its ID's, based on the subsequence fasta numbers from a main fasta file ? reproduce the result for my analysis.
suggestions.


RNA


alignment


DNA

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