domain:The FCP1 homology domain does not contain the canonical D-x-D-x-[TV] active site, suggesting that it probably does not display phosphatase activity in vivo.,function:Essential component of the TIM23 complex, a complex that mediates the translocation of transit peptide-containing proteins across the mitochondrial inner membrane. Has some phosphatase activity in vitro; however such activity may not be relevant in vivo. Isoform 2 may participate in the release of snRNPs and SMN from the Cajal body.,sequence caution:Chimera.,similarity:Belongs to the TIM50 family.,similarity:Contains 1 FCP1 homology domain.,subcellular location:Nuclear and enriched in speckles with snRNPs.,subunit:Component of the TIM23 complex at least composed of TIMM23, TIMM17 (TIMM17A or TIMM17B) and TIMM50. Interacts directly with TIMM23. Isoform 2 interacts with COIL and snRNPs.,tissue specificity:Widely expressed. Expressed at higher level in brain, kidney and liver (at protein level).,
Mitochondrion inner membrane ; Single-pass membrane protein .; [Isoform 2]: Nucleus speckle . Nuclear and enriched in speckles with snRNPs. .
Widely expressed. Expressed at higher level in brain, kidney and liver (at protein level).
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