p54nrb Mouse, Unlabeled, Clone: 3, BD
Mouse Monoclonal Antibody
Manufacturer: BD Biosciences 611278
Splicing, the removal of introns from pre-mRNA, is mediated by spliceosomal complexes that contain multiple snRNPs and a number of non-snRNP splicing factors, such as hPRP17 and hPRP18. p54 [nrb] ( n uclear R NA- b inding kDa) is a non-snRNP RNA splicing factor. It binds and enhances the activity of topoisomerase I, the enzyme that nicks DNA to relieve torsional stress during replication and transcription. p54 [nrb] is the the human homolog of mouse NonO and bovine IPEB. The N-terminal half of p54 [nrb] contains two RNA recognition motifs (RRMs), that allow it to bind single stranded RNA. These motifs are included in a region that is 71% homologous with the human splicing factor PSF and 42% homologous with the Drosophila puff-specific protein BJ6. In addition to its role in RNA splicing, p54 [nrb] functions as a DNA transcription factor in multiple cell types. The N-terminal portion of p54 [nrb] also mediates its interaction with DNA. The ability of p54 [nrb] to bind DNA, but not RNA, is thought to require post-translational modification. Thus, p54 [nrb] can function as either an RNA splicing factor or a DNA transcription factor in a post-translational-dependent manner.
|Human p54 [nrb] aa. 368-471|
|Canine, Human, Murine, Rat|
|Aqueous buffered solution containing BSA, glycerol, and ≤0.09% sodium azide.|
|Store undiluted at -20°C.|
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