UniprotKB/SwissProt ID: Q925I1 (Q925I1)
Gene Name:
Atad3a
Organism: Mus musculus (Mouse)
Function: Essential for mitochondrial network organization, mitochondrial metabolism and cell growth at organism and cellular level. May play an important role in mitochondrial protein synthesis. May also participate in mitochondrial DNA replication. May bind to mitochondrial DNA D-loops and contribute to nucleoid stability. Required for enhanced channeling of cholesterol for hormone-dependent steroidogenesis. Involved in mitochondrial-mediated antiviral innate immunity. Required to protect mitochondria from the PERK-mediated unfolded protein response: specifically inhibits the activity of EIF2AK3/PERK at mitochondria-endoplasmic reticulum contact sites, thereby providing a safe haven for mitochondrial protein translation during endoplasmic reticulum stress. Ability to inhibit EIF2AK3/PERK is independent of its ATPase activity. Also involved in the mitochondrial DNA damage response by promoting signaling between damaged genomes and the mitochondrial membrane, leading to activation of the integrated stress response (ISR)
Other Modifications: View all modification sites in dbPTM
Protein Subcellular Localization: Mitochondrion inner membrane. Mitochondrion matrix, mitochondrion nucleoid
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