GenBank Record for Variant m.4491G>A
991 FL sequences: 957 Main / 26 aDNA / 8 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)
(6668 sequences)		M (Asian)
(12798 sequences)		N (Eurasian)
(42378 sequences)		All
(61883 sequences)
Count1588789991
Frequency in each lineage0.22%
(15/6668)		6.93%
(887/12798)		0.21%
(89/42378)		-
Frequency overall0.02%
(15/61883)		1.43%
(887/61883)		0.14%
(89/61883)		1.60%
(991/61883)

* 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 Jun 28, 2025. These sets consist of: