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Author Topic:   preRNA branchpoints
cjp1002
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posted 02-17-2004 05:37 PM     Click Here to See the Profile for cjp1002     Edit/Delete Message Reply w/Quote
Convention says that preRNA branchpoints are between 20 and 50 base pairs away from the 3' splice site of introns. I am interested in a region of intronic DNA that contains a consensus sequence for a preRNA branchpoint. However it is around 400 base pairs away from the 3' splice site of its intron. Does anybody know if it is possible that it has any functional significance or is it just likely to be a sort of 'pseudo'branchpoint that may be an evolutionary remnant.

Thanks for any help that you may be able to give.

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