And in this paper,they found all the M217+ samples PK2+,however there are only three subclades found in this paper:C3c1-M48,C3 star cluster,C3* 448del,so that means PK2+ is SNP united these three braches of C3.While the Japanese sample already turn to be PK2-,if we consider the strong link between M407 and Mongolic groups,then I can guess the Jinggouzi people were M407
Mitochondrial DNA and Y Chromosome Variation. Provides Evidence for a
Recent Common Ancestry between Native Americans and Indigenous Altaians