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Old 04-28-2017, 07:29 PM   #1
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Location: Orange, California

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Default My translated A.A seq longer than my original Nucleotide seq!! Could someone explain

Hello everyone!

I am in the process of identifying an uncharacterized protein, when I convert my nucleotide sequence to Amino Acid using blastx, I get a long Amino Acid sequence. I am not sure if I am doing something wrong or missing a step or there is a biological explanation for it that I don't know of.

Nucleotide sequence / Accession Number X79334 region 333-548


Amino Acid Sequence / Protein accession number ERH37120.1


I am new to Bioinformatics, but I am fascinated by this developing field. I was researching my question and came across this amazing website. I hope someone can help.
zaineb is offline   Reply With Quote
Old 04-29-2017, 05:26 AM   #2
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Did you check whether any part of the amino acid sequence corresponds to your nucleotide sequence?

Perhaps blastx translated the entire nucleotide sequence, 1-548, and not just the part annotated as a gene (333-548)? Would the length of the amino acid sequence be consistent with that?
mastal is offline   Reply With Quote
Old 04-29-2017, 12:40 PM   #3
Location: Brazil

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This is the full sequence of a matching protein that you're seeing.
Your sequence translates to:
And it was aligned to the segment starting "VILFAVLLTASCLMVSFANS".
r.rosati is offline   Reply With Quote

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