Mary,
Is it possible to obtain NCBI annotations I referred to in previous
email? I want it in the genome browser.
Thank you
Ammar

On Fri, Oct 29, 2010 at 2:45 PM, Mary Goldman <[email protected]> wrote:
> Hi Ammar,
>
> Thank you for your patience. I believe the phenomena you are describing stems 
> from the way we construct the RefSeq track. We construct this track by taking 
> the entire mRNA sequence from Genbank and aligning it to the genome using 
> Blat (for more information see the details page here: 
> http://genome.ucsc.edu/cgi-bin/hgTrackUi?db=hg18&g=refGene). In other words, 
> we do not use the RefSeq produced annotations.
>
> Very small exons, like those you have pointed out, are quite difficult for 
> computer algorithms, such as blat, to align correctly to the genome. These 
> small exons are often included in next exon, as is demonstrated here: 
> http://genome.ucsc.edu/cgi-bin/hgTracks?hgS_doOtherUser=submit&hgS_otherUserName=Marygoldman&hgS_otherUserSessionName=hg18RefSeqExon.
>  Hand curated tracks, such as Gencode, have a higher probability of aligning 
> these very small exons correctly (see 
> http://genome.ucsc.edu/cgi-bin/hgTracks?hgS_doOtherUser=submit&hgS_otherUserName=Marygoldman&hgS_otherUserSessionName=hg18GenecodeExon).
>
> I hope this information is helpful. Please feel free to contact the mail list 
> again if you require further assistance.
>
> Best,
> Mary
>
> ----- Original Message -----
> From: "Ammar Husami" <[email protected]>
> To: [email protected], [email protected]
> Sent: Tuesday, October 26, 2010 2:47:02 PM GMT -08:00 US/Canada Pacific
> Subject: Re: [Genome] CDH23 exon 33 of 3bps
>
> Hi Venessa,
> Regarding my initial note to SOE community, AAG corresponds to hg18
> coordinates Chr10:73164419-73164421 its clearly an exon in gene records you
> can view it here
> http://www.ncbi.nlm.nih.gov//nuccore/NM_022124.4?report=graph
> Please let me know if you still not convinced. There is another exon as well
> you can see it there too its exons 11 and 33.
> They are very small exons but there are there.
> Anyone else can confirm this besides me?
>
> Ammar
>
> On Mon, Oct 25, 2010 at 5:06 PM, Vanessa Kirkup Swing
> <[email protected]>wrote:
>
>> Hi Ammar,
>>
>> Thank you for your question. In order to receive an answer in the timeliest
>> manner and for the benefit of all of our users, for whom we try to have the
>> most comprehensive archives, I would appreciate it if you resent your email
>> to [email protected]. Thank you for your understanding in this matter.
>>
>> Much thanks,
>> Vanessa
>>
>> ----- Original Message -----
>> From: "Ammar Husami" <[email protected]>
>> To: "Vanessa Kirkup Swing" <[email protected]>
>> Sent: Monday, October 25, 2010 1:49:52 PM GMT -08:00 US/Canada Pacific
>> Subject: Re: [Genome] CDH23 exon 33 of 3bps
>>
>> its exons 11 and 33 I apologize.
>>
>>
>> On Mon, Oct 25, 2010 at 4:47 PM, Ammar Husami < [email protected] >
>> wrote:
>>
>>
>> Hi Venessa,
>> I don't know what RefSeq you referring to its clearly an exon in gene
>> records you can view it here
>> http://www.ncbi.nlm.nih.gov//nuccore/NM_022124.4?report=graph
>> Please let me know if you still not convinced. There is another exon as
>> well you can see it there too its exon 3.
>> They are very small exons but there are there.
>>
>>
>>
>>
>>
>> On Fri, Oct 22, 2010 at 7:23 PM, Vanessa Kirkup Swing <
>> [email protected] > wrote:
>>
>>
>> Dear Ammar,
>>
>> UCSC Genes is based mostly on RefSeq and there is not an exon displayed in
>> RefSeq for that given location. Can you tell us why you think there should
>> be an exon there? Thanks.
>>
>>
>> Vanessa Kirkup Swing
>> UCSC Genome Bioinformatics Group
>>
>> ----- Original Message -----
>> From: "Ammar Husami" < [email protected] >
>>
>>
>>
>> To: "Vanessa Kirkup Swing" < [email protected] >
>> Sent: Friday, October 22, 2010 9:44:27 AM GMT -08:00 US/Canada Pacific
>> Subject: Re: [Genome] CDH23 exon 33 of 3bps
>>
>> Yes, AAG corresponds to hg18 coordinates Chr10:73164419-73164421.
>> Please email me back, I want to see this issue fixed.
>>
>> Thanks you
>>
>>
>> On Fri, Oct 22, 2010 at 12:20 PM, Vanessa Kirkup Swing <
>> [email protected] > wrote:
>>
>>
>> Dear Ammar,
>>
>> Can you please send us the exact coordinates of the AAG that you are
>> describing? Thanks!
>>
>> Vanessa Kirkup Swing
>> UCSC Genome Bioinformatics Group
>>
>>
>>
>>
>> ----- Original Message -----
>> From: "Ammar Husami" < [email protected] >
>> To: [email protected]
>> Sent: Thursday, October 21, 2010 8:11:11 AM GMT -08:00 US/Canada Pacific
>> Subject: [Genome] CDH23 exon 33 of 3bps
>>
>> Dear Community of SOE,
>> I am noticing that there is an exon in CDH23 gene of 3 nucleotides
>> specifically AAG and one amino acid K that is not able to find in the
>> genome
>> hg18. The region encompassing this exon is chr10:73163920-73164440. You can
>> see this small exon in graphical view here scroll to exon 34.
>> Thank you
>>
>>
>> Ammar Husami
>> Application Specialist
>> Molecular Diagnostics Lab
>> Department of Human Genetics
>> Cincinnati Childrens Hospital Medical Center
>> Cincinnati, Ohio 45229
>> _______________________________________________
>> Genome maillist - [email protected]
>> https://lists.soe.ucsc.edu/mailman/listinfo/genome
>>
>>
>>
>>
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