MT-TA是位於粒線體DNA上的一個長69鹼基對(bp)的非編碼基因,編碼粒線體丙胺酸轉運RNA(tRNA)MT-tRNAAla[3]。MT-tRNAAla能在粒線體轉譯過程中將游離的丙胺酸運輸至轉錄中的粒線體核糖體上。粒線體纈胺酸轉運RNA與一般的轉運RNA相同,呈現有三個臂的三葉草結構[4]。
MT-TA基因位於人粒線體DNA上5587-5655bp位置,介於同樣編碼粒線體tRNA的MT-TW與MT-TN基因之間[5]。
有案例報告表明,MT-TA基因上的5650G-A突變會造成肌營養不良症[6]。
- ^ Human PubMed Reference:. National Center for Biotechnology Information, U.S. National Library of Medicine.
- ^ Mouse PubMed Reference:. National Center for Biotechnology Information, U.S. National Library of Medicine.
- ^ Anderson S, Bankier AT, Barrell BG, de Bruijn MH, Coulson AR, Drouin J, Eperon IC, Nierlich DP, Roe BA, Sanger F, Schreier PH, Smith AJ, Staden R, Young IG. Sequence and organization of the human mitochondrial genome. Nature. April 1981, 290 (5806): 457–65. Bibcode:1981Natur.290..457A. PMID 7219534. S2CID 4355527. doi:10.1038/290457a0.
- ^ tRNA / transfer RNA. Learn Science at Scitable. [2021-07-25]. (原始內容存檔於2020-06-01).
- ^ MT-TA. NCBI. [2021-07-25].
- ^ Horvath, R. A tRNAAla mutation causing mitochondrial myopathy clinically resembling myotonic dystrophy. Journal of Medical Genetics. 2003, 40 (10): 752–757. ISSN 1468-6244. doi:10.1136/jmg.40.10.752.