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FXN frataxin

Gene ID: 2395, updated on 21-Mar-2023
Gene type: protein coding
Also known as: FA; X25; CyaY; FARR; FRDA


This nuclear gene encodes a mitochondrial protein which belongs to the FRATAXIN family. The protein functions in regulating mitochondrial iron transport and respiration. The expansion of intronic trinucleotide repeat GAA from 8-33 repeats to >90 repeats results in Friedreich ataxia. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Jul 2016]

Genomic context

Chromosome: 9; NC_000009.12 (69035752..69079076)
Total number of exons:


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