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BLAST is giving me a result totally unrelated to the gene I expect


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#1 Procyon

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Posted 28 April 2013 - 04:09 PM

Hello,

After I obtained the results from sequencing, I proceeded to curate the sequences and identifying (with Vector NTI) the primers I used in the sequence. The primers, although are degenerated, were found with no mismatches.

The problem is that when I blast the squence using BLASTn or BLASTX, the results are malate synthase, a gene/protein that I totally didn't expected and totally unrelated to the gene I'm interesed. These results were like 13 of the 20 sequences while 5 were of the gene I was expecting.

Please tell me what went wrong. I'm a bit desperate. I used a clone library with pGEM and chemocompetent DH5-alpha.

#2 bob1

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Posted 28 April 2013 - 07:28 PM

What were the BLAST scores?




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