Cytochrome b mRNA maturase bI3
UniProtKB accession: Q9ZZW7
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Go to UniProtKB: Q9ZZW7
UniProtKB description: Mitochondrial mRNA maturase required for splicing of intron 3 of the cytochrome b (COB) gene, containing its own coding sequence. In vivo splicing requires the formation of a ribonucleoprotein complex together with the imported mitochondrial RNA-splicing protein MRS1. The complex seems to stimulate the intrinsic ribozyme activity of intron bI3 through binding to and stabilizing specific secondary and tertiary structure elements in the RNA.
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