GenBank Record for Variant m.921T>C
452 FL sequences: 443 Main / 0 aDNA / 9 cancer, cell lines or cybrids; 0 CR sequences
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Count of the Variant in the Three hmtDNA Lineages in Mitomap
LineageL (African)
(6836 sequences)		M (Asian)
(12945 sequences)		N (Eurasian)
(42735 sequences)		All
(62556 sequences)
Count4493452
Frequency in each lineage6.57%
(449/6836)		0.02%
(3/12945)		0.00%
(/42735)		-
Frequency overall0.72%
(449/62556)		0.00%
(3/62556)		0.00%
(/62556)		0.72%
(452/62556)

* Footnotes:

Full Length (FL) sequences are now classified into three subsets: aDNA for ancient DNA, CancerCL for cancer, tumor, other abnormal tissues, or cell line studies (include cybrids), and Main for the rest.

The current sequence counts are from two sets of human mitochondrial sequences collected from GenBank on Dec 05, 2025. These sets consist of: