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Mitochondrial import inner membrane translocase subunit Tim29 (TIMM29)

Target: TIMM29
Molecular classification: Other (Mitochondrial translocase subunit), Transporter (component of a transporter complex, not itself a transporter or channel, but critically associated)

Overview

Mitochondrial import inner membrane translocase subunit Tim29 (TIMM29) is an integral membrane protein specifically found in metazoans and is a component of the TIM22 complex, which is essential for importing and inserting multi-pass transmembrane proteins, such as metabolite carriers, into the mitochondrial inner membrane[1][2][4][5]. Tim29 is necessary for the assembly and stability of the TIM22 complex and also physically links the TIM22 complex with the translocase of the outer mitochondrial membrane (TOM), thereby coordinating import across both mitochondrial membranes[1][2][5]. Loss of TIMM29 impairs the stability of the TIM22 complex and disrupts mitochondrial protein homeostasis, which may contribute to human diseases linked to mitochondrial protein import dysfunction, such as neurodegenerative disorders and some metabolic syndromes[1][2][5]. TIMM29 is not known to interact directly with any therapeutic drugs, nor is it currently considered a direct therapeutic target, but may be of interest in research concerning mitochondrial disorders, import machineries, and related pathologies[1][5].

Other names: TIM29C19orf52uncharacterized protein C19orf52mitochondrial import inner membrane translocase subunit Tim29

Biological functions

Protein translocation/import into the mitochondrial inner membraneAssembly and stabilization of the TIM22 complexFacilitates interaction between the TIM22 and TOM complexes (involved in metabolic adaptation)

Disease associations

Other (associated with mitochondrial disorders and was reported upregulated in hepatocellular carcinoma)Possible association with Sengers Syndrome and Mohr-Tranebjaerg Syndrome

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