The function of ENSG00000115468 (EFHD1, EF-hand domain family member D1) is as follows. Acts as a calcium sensor for mitochondrial flash (mitoflash) activation, an event characterized by stochastic bursts of superoxide production (PubMed:26975899). May play a role in neuronal differentiation (By similarity). {ECO:0000250|UniProtKB:Q9D4J1, ECO:0000269|PubMed:26975899}.