The function of TIMCC (TIM double twin CX3C motif chaperone, Ensembl gene identifier ENSG00000035141) is as follows. Plays a role in proteostasis of the mitochondrion intermembrane space and counteracts aggregation of certain proteins (PubMed:40714634, PubMed:41109133). Required for mitochondrial oxidative phosphorylation (PubMed:40714634). .