Upon receipt, store at -20°C or -80°C. Avoid repeated freeze.
Lead Time
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Plays a role in processing of mitochondrial RNA precursors and in stabilization of a subset of mature mitochondrial RNA species, such as MT-CO1, MT-CO2, MT-CYB, MT-CO3, MT-ND3, MT-ND5 and MT-ATP8/6. May play a role in cell cycle progression.
Gene References into Functions
Despite the fact that proteins of the FASTK family FASTKD1-5 share the same domains, they exhibit various-sometimes opposing-functions in almost all steps of mitochondrial RNA metabolism. PMID: 29036396
Disruption of FASTKD4 reduces the level of ND3 and of other mature mRNAs including ND5 and CYB, and causes accumulation of ND5-CYB precursor RNA. Disrupting FASTKD1 and FASTKD4 decreases ND3 mRNA like depleting FASTKD4 alone, indicating that FASTKD4 loss is epistatic. RAP domain of FASTKD4 has a nuclease fold with a conserved aspartate at the putative active site, mutation of which abolishes its function. PMID: 28335001
SLERT is 694 nucleotides & contains SNORA5A & SNORA5C at its ends; it is produced from the human TBRG4 locus via skipping of exons 4 and 5 that leads to both SNORA5A & SNORA5C embedded within one intron, thereby producing SLERT from this alternatively spliced intron; results reveal an important control of ribosome biogenesis by SLERT lncRNA & its regulatory role in DDX21 ring-shaped arrangements acting on Pol I complexes. PMID: 28475895
13 human CPR (cell cycle progression restoration) genes and 11 yeast OPY (overproduction-induced pheromone-resistant yeast) genes that specifically block the G1 arrest by mating pheromone. PMID: 9383053
Subcellular Location
Mitochondrion matrix.
Protein Families
FAST kinase family
Tissue Specificity
Ubiquitously expressed. Expression detected in spleen, thymus, testis, ovary, colon, heart, smooth muscle, kidney, brain, lung, liver and white adipose tissue with highest expression in smooth muscle.