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PRPF4B
HPA
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  • PRPF4B
PROTEIN SUMMARY GENE INFORMATION RNA DATA ANTIBODY DATA
GENERAL INFORMATIONi

General description of the gene and the encoded protein(s) using information from HGNC and Ensembl, as well as predictions made by the Human Protein Atlas project.

Gene namei

Official gene symbol, which is typically a short form of the gene name, according to HGNC.

PRPF4B
Synonyms KIAA0536, PR4H, Prp4
Gene descriptioni

Full gene name according to HGNC.

Pre-mRNA processing factor 4B
Protein classi

Assigned HPA protein class(es) for the encoded protein(s).

Enzymes
Plasma proteins
Predicted locationi

All transcripts of all genes have been analyzed regarding the location(s) of corresponding protein based on prediction methods for signal peptides and transmembrane regions.

  • Genes with at least one transcript predicted to encode a secreted protein, according to prediction methods or to UniProt location data, have been further annotated and classified with the aim to determine if the corresponding protein(s) are secreted or actually retained in intracellular locations or membrane-attached.

  • Remaining genes, with no transcript predicted to encode a secreted protein, will be assigned the prediction-based location(s).

The annotated location overrules the predicted location, so that a gene encoding a predicted secreted protein that has been annotated as intracellular will have intracellular as the final location.

Intracellular
Protein evidence Evidence at protein level (all genes)
GENE INFORMATIONi

Gene information from Ensembl and Entrez, as well as links to available gene identifiers are displayed here. Information was retrieved from Ensembl if not indicated otherwise.

Chromosome 6
Cytoband p25.2
Chromosome location (bp) 4021267 - 4064983
Number of transcriptsi

Number of protein-coding transcripts from the gene as defined by Ensembl.

1
Ensembl ENSG00000112739 (version 109)
Entrez gene 8899
HGNC HGNC:17346
UniProt Q13523 (UniProt - Evidence at protein level)
neXtProt NX_Q13523
GeneCards PRPF4B
Antibodypedia PRPF4B antibodies


PROTEIN FUNCTION
Protein function (UniProt)i

Useful information about the protein provided by UniProt.

Serine/threonine kinase involved in spliceosomal assembly as well as mitosis and signaling regulation 1, 2, 3, 4. Connects chromatin mediated regulation of transcription and pre-mRNA splicing 5. 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) 6. 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 7. Associates and probably phosphorylates SMARCA4 and NCOR1 8. Phosphorylates SRSF1 9. Associates with kinetochores during mitosis and is necessary for recruitment and maintenance of the checkpoint proteins such as MAD1L1 and MAD12L1 at the kinetochores 10. Phosphorylates and regulates the activity of the transcription factors such as ELK1 and KLF13 11, 12. Phosphorylates nuclear YAP1 and WWTR1/TAZ which induces nuclear exclusion and regulates Hippo signaling pathway, involved in tissue growth control 13.... show less
Molecular function (UniProt)i

Keywords assigned by UniProt to proteins due to their particular molecular function.

Kinase, Serine/threonine-protein kinase, Transferase
Biological process (UniProt)i

Keywords assigned by UniProt to proteins because they are involved in a particular biological process.

mRNA processing, mRNA splicing
Ligand (UniProt)i

Keywords assigned by UniProt to proteins because they bind, are associated with, or whose activity is dependent of some molecule.

ATP-binding, Nucleotide-binding
Gene summary (Entrez)i

Useful information about the gene from Entrez

Pre-mRNA splicing occurs in two sequential transesterification steps, and the protein encoded by this gene is thought to be involved in pre-mRNA splicing and in signal transduction. This protein belongs to a kinase family that includes serine/arginine-rich protein-specific kinases and cyclin-dependent kinases (CDKs). This protein is regarded as a CDK-like kinase (Clk) with homology to mitogen-activated protein kinases (MAPKs). [provided by RefSeq, Jul 2008]... show less
PROTEIN INFORMATIONi

The protein information section displays alternative protein-coding transcripts (splice variants) encoded by this gene according to the Ensembl database.

The Splice variant identifier links to the Ensembl website protein summary for the selected splice variant. The data in the Swissprot and TrEMBL columns links to corresponding pages in the UniProt database.

The protein classes assigned to this protein are shown if expanding the data in the protein class column. Parent protein classes are in bold font and subclasses are listed under the parent class.

The length of the protein (amino acid residues according to Ensembl), molecular mass (kDalton), predicted signal peptide and number of predicted transmembrane region(s) according to in-house majority decision methods based on sets of predictors are also reported.
Splice variant SwissProt TrEMBL Protein class Gene ontology Length & mass Signal peptide
(predicted)
Transmembrane regions
(predicted)
PRPF4B-201
ENSP00000337194
ENST00000337659
Q13523
[Direct mapping] Serine/threonine-protein kinase PRP4 homolog
Show all
A0A024QZY5
[Target identity:100%; Query identity:100%] Serine/threonine-protein kinase PRP4 homolog
Show all
Enzymes
   ENZYME proteins
   Transferases
   Kinases
   CMGC Ser/Thr protein kinases
   MEMSAT-SVM predicted membrane proteins
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Plasma proteins
Mapped to neXtProt
   neXtProt - Evidence at protein level
Protein evidence (Kim et al 2014)
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0000166 [nucleotide binding]
GO:0000398 [mRNA splicing, via spliceosome]
GO:0003723 [RNA binding]
GO:0004672 [protein kinase activity]
GO:0004674 [protein serine/threonine kinase activity]
GO:0005515 [protein binding]
GO:0005524 [ATP binding]
GO:0005634 [nucleus]
GO:0005681 [spliceosomal complex]
GO:0005694 [chromosome]
GO:0006397 [mRNA processing]
GO:0006468 [protein phosphorylation]
GO:0008380 [RNA splicing]
GO:0016301 [kinase activity]
GO:0016310 [phosphorylation]
GO:0016607 [nuclear speck]
GO:0016740 [transferase activity]
GO:0045292 [mRNA cis splicing, via spliceosome]
GO:0071013 [catalytic step 2 spliceosome]
GO:0106310 [protein serine kinase activity]
Show all
1007 aa
117 kDa
No 0

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