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Like most cellular RNA enzymes, the bI5 group I intron requires binding by a protein cofactor to fold correctly. Here, we use… Expand Human squamous cell carcinoma of the head and neck (SCCHN) is characterized by over expression of a tumor cell surface-specific… Expand Prior to folding to a native functional structure, many large RNAs form conformationally collapsed states. Formation of the near… Expand Native folding and splicing by the Saccharomyces cerevisiae mitochondrial bI5 group I intron RNA is facilitated by both the S… Expand Most large RNAs achieve their active, native structures only as complexes with one or more cofactor proteins. By varying the Mg2… Expand To study the signal transduction of cytokinins, we characterized cytokinin-binding proteins (CBPs) isolated from tobacco callus… Expand Background. Acutevascular xenograft rejection (AVXR), also termed delayed xenograft rejection (DXR), occurs when hyperacute… Expand A full‐length genomic DNA fragment that codes for a novel EF‐hand protein from Dictyostelium discoideum was cloned and sequenced… Expand The splicing factor CBP2 is required to excise the yeast mitochondrial group I intron bI5 in vivo and at low magnesium ion… Expand The yeast CBP2 gene product is required for the splicing of the terminal intron (bI5) of the mitochondrial cytochrome b pre-mRNA… Expand