Hapmap allelic frequencies of MT4 Tyr30 (rs666636) and Trp31 (rs666647) in human population.

Population description as indicated in Hapmap: ASW, African ancestry in Southwest USA; CEU, Utah residents with Northern and Western European ancestry from the CEPH collection; CHB, Han Chinese in Beijing, China; CHD, Chinese in Metropolitan Denver, Colorado; GIH, Gujarati Indians in Houston, Texas; JPT, Japanese in Tokyo, Japan; LWK, Luhya in Webuye, Kenya; MEX, Mexican ancestry in Los Angeles, California; MKK, Maasai in Kinyawa, Kenya; TSI, Toscans in Italy; and YRI, Yoruba in Ibadan, Nigeria.