A portion of amino acids 374-402 from the human protein was used as the immunogen for the Splicing factor 3B subunit 1 antibody.
This gene encodes subunit 1 of the splicing factor 3b protein complex. Splicing factor 3b, together with splicing factor 3a and a 12S RNA unit, forms the U2 small nuclear ribonucleoproteins complex (U2 snRNP). The splicing factor 3b/3a complex binds pre-mRNA upstream of the introns branch site in a sequence independent manner and may anchor the U2 snRNP to the pre-mRNA. Splicing factor 3b is also a component of the minor U12-type spliceosome. The carboxy-terminal two-thirds of subunit 1 have 22 non-identical, tandem HEAT repeats that form rod-like, helical structures. Alternative splicing results in multiple transcript variants encoding different isoforms. [provided by RefSeq].
Immunohistochemistry (FFPE): 1:25, Western blot: 1:500-1:2000
Application Notes:
The stated application concentrations are suggested starting points. Titration of the Splicing factor 3B subunit 1 antibody may be required due to differences in protocols and secondary/substrate sensitivity.
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