This SNP seems to be at the junction of (TAAT)4 and (TTAT)3 STRs, and converts these to (TAAT)5 and (TTAT)2 (see the sequence at YBrowse). It does seem to be pretty recurrent but may still be useful in context, depending on just how recurrent it is. On Tue, May 13, 2014 at 11:18 AM, Matthew Simonds <mwsimonds@hotmail.com>wrote: > > > > Did you check for it under it's other names, L199, L443, L675, in Known > > SNPs? > > > > It's there in my "Known SNPs" under L199. > It's in the ISOGG SNP Index as L199.1 and associated with R1b1a2a1a1d1. > L199 is also in YBrowse, found in an R1b WTY participant by Thomas Krahn > and listed as a private SNP (found in 7 people). It's also been found by > Thomas Krahn in 10 E1b1b1a1b2c individuals and is listed in YBrowse as L675 > (also listed in the ISOGG SNP Index). > It's interesting that it has been found numerous times by Family Tree DNA > but was given 3 different numbers (L199, L443, L675) rather than being > given a variant of the same number, i.e. L199.1, L199.2, L199.3. > > Matthew > > > >