How do I find out which region of a given nucleotide sequence (encoding an entire protein) encodes for a particular region of the protein?
Would you like to expand/explain what do you want to ask?
With this question either it looks like you did not make the question clear enough to be answered or you need to go through the basics of molecular biology to understand the central dogma.
Suppose I have a nucleotide sequence that codes for a particular protein. But I want to know what part of the nucleotide sequence encodes a specific region of the protein (for ex, residue 200-300. How do I find out which region of the nucleotide sequence encodes residues 200 to 300?
If you don't care about the ORF, simply use the triplet translation to find out the region.
You can blast your DNA sequence using blastx to your protein sequence. Using NCBI blast (https://blast.ncbi.nlm.nih.gov/Blast.cgi). Paste your DNA sequence and check "Align two or more sequences". A new window appear and you paste your protein sequence in there.
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