Question: Identify or update refseq transcript version on snpeff
gravatar for Nandini
7 months ago by
Nandini760 wrote:


I am using snpeff version 4.3t and have downloaded the database for hg19 to annotate my vcf files. However, the refseq version number of most transcripts seem to be a bit older and do not match with a list of transcript versions that is being used here in our lab (which was updated in july 2017 using UCSC table broswer). Is there a way to find out what refseq file is being used in snpeff ? Or is there a way to update it with refseq file that I have ?

I tried using the steps in here to update the data followed by java -jar snpEff.jar build -refSeq -v hg19 but most of the links seem to be out of date and as a result building the database throws an error.

Can anyone suggest the steps to build the update-to-date refseq database for snpeff ?

Thank you

ADD COMMENTlink modified 7 months ago • written 7 months ago by Nandini760

Hello Nandini,

I have no idea how old the transcript versions beeings used by snpEff are or if there is an easy way to update them. Maybe you could ask the authors directly (and post their answer here).

What you could try is following the instruction for building a new database.

fin swimmer

(+1 for an interesting question)

ADD REPLYlink written 7 months ago by finswimmer11k

thanks fin swimmer,

I've written to the author before a few times but haven't had a response. I've followed the link provided above to update the database by downloading the file from UCSC and then running the command but it ends up annotating with older versions.. maybe i'll just try emailing the author once more - if they respond, i'll definitely post the answer here.

ADD REPLYlink written 7 months ago by Nandini760
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