How to extract the peptide sequence centered the amino acid position of protein?
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The question as you've stated it isn't clear to me. Can you please provide a simple example to illustrate it further?
Yes, I have the chromosome and the protein position information like: chr1 230
What I want to extract is the amino acid sequence centered the chr1:230 position, with one length parameter offered L. So the actual peptide sequence is the 230-L to 230+L region on chr1.
If there is any program would automatically extract these information in batch should be convenient.
I've solved this problem.
@Lisa Can you provide your solution to the rest of us? Thanks.