Atanas These are IUPAC nucleotide labels A - Adenine C - Cytosine G - Guanine T (or U) - Thymine (or Uracil) R - A or G Y - C or T S - G or C W - A or T K - G or T M - A or C B - C or G or T D - A or G or T H - A or C or T V - A or C or G N any base See also http://www.bioinformatics.org/sms/iupac.html 'R' and 'Y' are reasonably common, all the others less so. Ian ------------- On 18/10/2015 20:04, Atanas Kumbarov via wrote: > Ian, thanks for posting the new samples which appear on GenBank! A > completely unrelated question - I sometimes see mutations to some allele > different from ACGT like for example TxxxxY - what do these extra > letters (like Y) mean? >

Thanks Ian! -- Best regards, Atanas Kumbarov http://dna.kumbarov.com/ On 2015-10-18 22:10, Ian Logan via wrote: > Atanas > > These are IUPAC nucleotide labels > > A - Adenine > C - Cytosine > G - Guanine > T (or U) - Thymine (or Uracil) > R - A or G > Y - C or T > S - G or C > W - A or T > K - G or T > M - A or C > B - C or G or T > D - A or G or T > H - A or C or T > V - A or C or G > N any base > > See also http://www.bioinformatics.org/sms/iupac.html > > 'R' and 'Y' are reasonably common, all the others less so. > > Ian > ------------- > On 18/10/2015 20:04, Atanas Kumbarov via wrote: >> Ian, thanks for posting the new samples which appear on GenBank! A >> completely unrelated question - I sometimes see mutations to some allele >> different from ACGT like for example TxxxxY - what do these extra >> letters (like Y) mean? >> > > ------------------------------- > To unsubscribe from the list, please send an email to GENEALOGY-DNA-request@rootsweb.com with the word 'unsubscribe' without the quotes in the subject and the body of the message