Recombinant Human PRPF4B protein
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Recombinant Human PRPF4B protein is a Human Fragment protein, in the 551 to 1007 aa range, expressed in Baculovirus infected Sf9 cells, with >90%, suitable for SDS-PAGE.
View Alternative Names
KIAA0536, PRP4, PRP4B, PRP4H, PRPF4K, PRP4K, PRPF4B, Serine/threonine-protein kinase PRP4 homolog, PRP4 kinase, PRP4 pre-mRNA-processing factor 4 homolog
- SDS-PAGE
Supplier Data
SDS-PAGE - Recombinant Human PRPF4B protein (AB201398)
SDS PAGE analysis of ab201398
Reactivity data
Sequence info
Properties and storage information
Shipped at conditions
Appropriate short-term storage conditions
Appropriate long-term storage conditions
Storage information
Specifications
Form
Liquid
Additional notes
Affinity purified.
General info
Function
Serine/threonine kinase involved in spliceosomal assembly as well as mitosis and signaling regulation (PubMed : 10799319, PubMed : 12077342, PubMed : 17513757, PubMed : 17998396). Connects chromatin mediated regulation of transcription and pre-mRNA splicing (PubMed : 12077342). During spliceosomal assembly, interacts with and phosphorylates PRPF6 and PRPF31, components of the U4/U6-U5 tri-small nuclear ribonucleoprotein (snRNP), to facilitate the formation of the spliceosome B complex. Plays a role in regulating transcription and the spindle assembly checkpoint (SAC) (PubMed : 20118938). Associates with U5 snRNP and NCOR1 deacetylase complexes which may allow a coordination of pre-mRNA splicing with chromatin remodeling events involved in transcriptional regulation (PubMed : 12077342). Associates and probably phosphorylates SMARCA4 and NCOR1 (PubMed : 12077342). Phosphorylates SRSF1 (PubMed : 11418604). Associates with kinetochores during mitosis and is necessary for recruitment and maintenance of the checkpoint proteins such as MAD1L1 and MAD12L1 at the kinetochores (PubMed : 17998396). Phosphorylates and regulates the activity of the transcription factors such as ELK1 and KLF13 (PubMed : 10799319, PubMed : 17513757). Phosphorylates nuclear YAP1 and WWTR1/TAZ which induces nuclear exclusion and regulates Hippo signaling pathway, involved in tissue growth control (PubMed : 29695716).
Sequence similarities
Belongs to the protein kinase superfamily. CMGC Ser/Thr protein kinase family.
Post-translational modifications
Phosphorylated by CLK1 (PubMed:11418604). Autophosphorylated; phosphorylation inhibits interaction with its targets, such as PRPF6 or SMARCA4 (PubMed:12077342).
Subcellular localisation
Nucleus
Target data
Product promise
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