Expanding the phenotypic and genetic spectrum of GTPBP3 deficiency: findings from nine Chinese pedigrees
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Background: GTPBP3 catalyzes τm5(s2) U biosynthesis at the 34th wobble position of mitochondrial tRNAs, the hypomodification of τm5U leads to mitochondrial disease. While twenty-three variants of GTPBP3 have been reported world... ...