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Sample Information

I7490
I7490
Russia_Samara_EBA_Yamnaya
3034 BC
F
Russia
-
Grachevka-2 (Samara Oblast, Krasnoyarsky District, Grachevka Village)

Haplogroups

Not determined
J1b1a1
3282-2918 calBCE (4410±25 BP, PSUAMS-4272)

Ancestry Components

Estimated ancestral proportions from ancient reference populations
Steppe
91.4%
CHG/Iran N
5.9%
ANE
2.5%
AASI
0.1%

Publication

Lazaridis2024; LazaridisReichNature2025

G25 Coordinates

Download the G25 scaled coordinates for this sample to use in calculators like GEDmatch, Vahaduo, or our own calculators.

Download G25 (.txt)

G25 Ancestry Model Cached

Excellent Β· Distance: 0.0130

Model based on Davidski's G25 standard reference populations (nMonte-style optimization).

Yamnaya_RUS_Samara 95.1%
IRN_Ganj_Dareh_N 4.2%
Dinka 0.7%

Ancient Population Distances

Closest ancient reference populations
Bulgaria_Yamnaya_Boyanovo_EBA
0.0385
Czechia_EBA_CordedWare
0.0408
Czechia_EBA_CordedWare
0.0439
China_Xinjiang_G218_BA_Afanasievo_oWestEurasia
0.0467
Czechia_EBA_CordedWare
0.0474
Bulgaria_Boyanovo_EBA
0.0496
Bulgaria_EBA_Ezero
0.0504
Bulgaria_EBA_Yamnaya
0.0511
Bulgaria_Boyanovo_EBA
0.0547
Bulgaria_Boyanovo_EBA
0.0589
Bulgaria_EBA_Yamnaya
0.0597
Czechia_EBA_CordedWare
0.0599
Czechia_EBA_CordedWare
0.0621
Czechia_EBA_CordedWare
0.0630
Czechia_EBA_CordedWare
0.0683
Bulgaria_EBA_Yamnaya
0.0719
Czechia_EBA_CordedWare
0.0736
Czechia_EBA_CordedWare
0.0746
Czechia_EBA_CordedWare
0.0777
Czechia_EBA_CordedWare
0.0780

Modern Population Genetic Proximity

Heatmap based on G25 Euclidean distance to 3,000+ modern populations

Archaeological Site Location

53.5898, 50.5713

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