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Center for Computational Systems Medicine
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Fusion Gene Summary

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Fusion Gene ORF analysis

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Fusion Genomic Features

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Fusion Protein Features

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Fusion Gene Sequence

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Fusion Gene PPI analysis

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Related Drugs

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Related Diseases

Fusion gene:PKIB-BLK (FusionGDB2 ID:65701)

Fusion Gene Summary for PKIB-BLK

check button Fusion gene summary
Fusion gene informationFusion gene name: PKIB-BLK
Fusion gene ID: 65701
HgeneTgene
Gene symbol

PKIB

BLK

Gene ID

5570

640

Gene namecAMP-dependent protein kinase inhibitor betaBLK proto-oncogene, Src family tyrosine kinase
SynonymsPRKACN2MODY11
Cytomap

6q22.31

8p23.1

Type of geneprotein-codingprotein-coding
DescriptioncAMP-dependent protein kinase inhibitor betaPKI-betacAMP-dependent protein kinase inhibitor 2protein kinase (cAMP-dependent, catalytic) inhibitor betatyrosine-protein kinase BlkB lymphoid tyrosine kinaseBLK nonreceptor tyrosine kinaseb lymphocyte kinasep55-Blk
Modification date2020031320200327
UniProtAcc.

P51451

Ensembl transtripts involved in fusion geneENST00000368448, ENST00000368452, 
ENST00000392490, ENST00000392491, 
ENST00000258014, ENST00000354275, 
ENST00000368446, ENST00000607474, 
ENST00000259089, ENST00000529894, 
ENST00000525389, 
Fusion gene scores* DoF score6 X 4 X 4=964 X 4 X 3=48
# samples 54
** MAII scorelog2(5/96*10)=-0.941106310946431
possibly effective Gene in Pan-Cancer Fusion Genes (peGinPCFGs).
DoF>8 and MAII<0
log2(4/48*10)=-0.263034405833794
possibly effective Gene in Pan-Cancer Fusion Genes (peGinPCFGs).
DoF>8 and MAII<0
Context

PubMed: PKIB [Title/Abstract] AND BLK [Title/Abstract] AND fusion [Title/Abstract]

Most frequent breakpointPKIB(122954512)-BLK(11418811), # samples:2
Anticipated loss of major functional domain due to fusion event.
* DoF score (Degree of Frequency) = # partners X # break points X # cancer types
** MAII score (Major Active Isofusion Index) = log2(# samples/DoF score*10)

check button Gene ontology of each fusion partner gene with evidence of Inferred from Direct Assay (IDA) from Entrez
PartnerGeneGO IDGO termPubMed ID
TgeneBLK

GO:0018108

peptidyl-tyrosine phosphorylation

30356214

TgeneBLK

GO:0050853

B cell receptor signaling pathway

876631


check buttonFusion gene breakpoints across PKIB (5'-gene)
* Click on the image to open the UCSC genome browser with custom track showing this image in a new window.

check buttonFusion gene breakpoints across BLK (3'-gene)
* Click on the image to open the UCSC genome browser with custom track showing this image in a new window.

check button Fusion gene information from two resources (ChiTars 5.0 and ChimerDB 4.0)
* All genome coordinats were lifted-over on hg19.
* Click on the break point to see the gene structure around the break point region using the UCSC Genome Browser.
SourceDiseaseSampleHgeneHchrHbpHstrandTgeneTchrTbpTstrand
ChimerDB4ACCTCGA-OR-A5JY-01APKIBchr6

122954512

-BLKchr8

11418811

+
ChimerDB4ACCTCGA-OR-A5JY-01APKIBchr6

122954512

+BLKchr8

11418811

+


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Fusion Gene ORF analysis for PKIB-BLK

check button Open reading frame (ORF) analsis of fusion genes based on Ensembl gene isoform structure.
* Click on the break point to see the gene structure around the break point region using the UCSC Genome Browser.
ORFHenstTenstHgeneHchrHbpHstrandTgeneTchrTbpTstrand
5UTR-3CDSENST00000368448ENST00000259089PKIBchr6

122954512

+BLKchr8

11418811

+
5UTR-3CDSENST00000368448ENST00000529894PKIBchr6

122954512

+BLKchr8

11418811

+
5UTR-3CDSENST00000368452ENST00000259089PKIBchr6

122954512

+BLKchr8

11418811

+
5UTR-3CDSENST00000368452ENST00000529894PKIBchr6

122954512

+BLKchr8

11418811

+
5UTR-3CDSENST00000392490ENST00000259089PKIBchr6

122954512

+BLKchr8

11418811

+
5UTR-3CDSENST00000392490ENST00000529894PKIBchr6

122954512

+BLKchr8

11418811

+
5UTR-3CDSENST00000392491ENST00000259089PKIBchr6

122954512

+BLKchr8

11418811

+
5UTR-3CDSENST00000392491ENST00000529894PKIBchr6

122954512

+BLKchr8

11418811

+
5UTR-intronENST00000368448ENST00000525389PKIBchr6

122954512

+BLKchr8

11418811

+
5UTR-intronENST00000368452ENST00000525389PKIBchr6

122954512

+BLKchr8

11418811

+
5UTR-intronENST00000392490ENST00000525389PKIBchr6

122954512

+BLKchr8

11418811

+
5UTR-intronENST00000392491ENST00000525389PKIBchr6

122954512

+BLKchr8

11418811

+
intron-3CDSENST00000258014ENST00000259089PKIBchr6

122954512

+BLKchr8

11418811

+
intron-3CDSENST00000258014ENST00000529894PKIBchr6

122954512

+BLKchr8

11418811

+
intron-3CDSENST00000354275ENST00000259089PKIBchr6

122954512

+BLKchr8

11418811

+
intron-3CDSENST00000354275ENST00000529894PKIBchr6

122954512

+BLKchr8

11418811

+
intron-3CDSENST00000368446ENST00000259089PKIBchr6

122954512

+BLKchr8

11418811

+
intron-3CDSENST00000368446ENST00000529894PKIBchr6

122954512

+BLKchr8

11418811

+
intron-3CDSENST00000607474ENST00000259089PKIBchr6

122954512

+BLKchr8

11418811

+
intron-3CDSENST00000607474ENST00000529894PKIBchr6

122954512

+BLKchr8

11418811

+
intron-intronENST00000258014ENST00000525389PKIBchr6

122954512

+BLKchr8

11418811

+
intron-intronENST00000354275ENST00000525389PKIBchr6

122954512

+BLKchr8

11418811

+
intron-intronENST00000368446ENST00000525389PKIBchr6

122954512

+BLKchr8

11418811

+
intron-intronENST00000607474ENST00000525389PKIBchr6

122954512

+BLKchr8

11418811

+

check buttonORFfinder result based on the fusion transcript sequence of in-frame fusion genes.
HenstTenstHgeneHchrHbpHstrandTgeneTchrTbpTstrandSeq length
(transcript)
BP loci
(transcript)
Predicted start
(transcript)
Predicted stop
(transcript)
Seq length
(amino acids)

check buttonDeepORF prediction of the coding potential based on the fusion transcript sequence of in-frame fusion genes. DeepORF is a coding potential classifier based on convolutional neural network by comparing the real Ribo-seq data. If the no-coding score < 0.5 and coding score > 0.5, then the in-frame fusion transcript is predicted as being likely translated.
HenstTenstHgeneHchrHbpHstrandTgeneTchrTbpTstrandNo-coding scoreCoding score

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Fusion Genomic Features for PKIB-BLK


check buttonFusionAI prediction of the potential fusion gene breakpoint based on the pre-mature RNA sequence context (+/- 5kb of individual partner genes, total 20kb length sequence). FusionAI is a fusion gene breakpoint classifier based on convolutional neural network by comparing the fusion positive and negative sequence context of ~ 20K fusion gene data. From here, we can have the relative potentency of the 20K genomic sequence how individual sequnce will be likely used as the gene fusion breakpoints.
HgeneHchrHbpHstrandTgeneTchrTbpTstrand1-pp (fusion gene breakpoint)
PKIBchr6122954512+BLKchr811418810+5.46E-081
PKIBchr6122954512+BLKchr811418810+5.46E-081

check buttonDistribution of 44 human genomic features loci across 20kb length fusion breakpoint regions. We integrated a total of 44 different types of human genomic feature loci information across five big categories including virus integration sites, repeats, structural variants, chromatin states, and gene expression regulation. More details are in help page.

check buttonDistribution of 44 human genomic features loci across 20kb length fusion breakpoint regions that are ovelapped with the top 1% feature importance score regions. More details are in help page.
genomic feature of top 1%

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Fusion Protein Features for PKIB-BLK


check button Four levels of functional features of fusion genes
Go to FGviewer search page for the most frequent breakpoint (https://ccsmweb.uth.edu/FGviewer/:122954512/:11418811)
- FGviewer provides the online visualization of the retention search of the protein functional features across DNA, RNA, protein, and pathological levels.
- How to search
1. Put your fusion gene symbol.
2. Press the tab key until there will be shown the breakpoint information filled.
4. Go down and press 'Search' tab twice.
4. Go down to have the hyperlink of the search result.
5. Click the hyperlink.
6. See the FGviewer result for your fusion gene.
FGviewer

check buttonMain function of each fusion partner protein. (from UniProt)
HgeneTgene
.BLK

P51451

FUNCTION: Transcriptional activator which is required for calcium-dependent dendritic growth and branching in cortical neurons. Recruits CREB-binding protein (CREBBP) to nuclear bodies. Component of the CREST-BRG1 complex, a multiprotein complex that regulates promoter activation by orchestrating a calcium-dependent release of a repressor complex and a recruitment of an activator complex. In resting neurons, transcription of the c-FOS promoter is inhibited by BRG1-dependent recruitment of a phospho-RB1-HDAC1 repressor complex. Upon calcium influx, RB1 is dephosphorylated by calcineurin, which leads to release of the repressor complex. At the same time, there is increased recruitment of CREBBP to the promoter by a CREST-dependent mechanism, which leads to transcriptional activation. The CREST-BRG1 complex also binds to the NR2B promoter, and activity-dependent induction of NR2B expression involves a release of HDAC1 and recruitment of CREBBP (By similarity). {ECO:0000250}.FUNCTION: Non-receptor tyrosine kinase involved in B-lymphocyte development, differentiation and signaling (By similarity). B-cell receptor (BCR) signaling requires a tight regulation of several protein tyrosine kinases and phosphatases, and associated coreceptors (By similarity). Binding of antigen to the B-cell antigen receptor (BCR) triggers signaling that ultimately leads to B-cell activation (By similarity). Signaling through BLK plays an important role in transmitting signals through surface immunoglobulins and supports the pro-B to pre-B transition, as well as the signaling for growth arrest and apoptosis downstream of B-cell receptor (By similarity). Specifically binds and phosphorylates CD79A at 'Tyr-188'and 'Tyr-199', as well as CD79B at 'Tyr-196' and 'Tyr-207' (By similarity). Phosphorylates also the immunoglobulin G receptors FCGR2A, FCGR2B and FCGR2C (PubMed:8756631). With FYN and LYN, plays an essential role in pre-B-cell receptor (pre-BCR)-mediated NF-kappa-B activation (By similarity). Contributes also to BTK activation by indirectly stimulating BTK intramolecular autophosphorylation (By similarity). In pancreatic islets, acts as a modulator of beta-cells function through the up-regulation of PDX1 and NKX6-1 and consequent stimulation of insulin secretion in response to glucose (PubMed:19667185). Phosphorylates CGAS, promoting retention of CGAS in the cytosol (PubMed:30356214). {ECO:0000250|UniProtKB:P16277, ECO:0000269|PubMed:19667185, ECO:0000269|PubMed:30356214, ECO:0000269|PubMed:8756631}.

check buttonRetention analysis result of each fusion partner protein across 39 protein features of UniProt such as six molecule processing features, 13 region features, four site features, six amino acid modification features, two natural variation features, five experimental info features, and 3 secondary structure features. Here, because of limited space for viewing, we only show the protein feature retention information belong to the 13 regional features. All retention annotation result can be downloaded at

download page


* Minus value of BPloci means that the break pointn is located before the CDS.
- In-frame and retained protein feature among the 13 regional features.
PartnerGeneHbpTbpENSTStrandBPexonTotalExonProtein feature loci*BPlociTotalLenProtein featureProtein feature note

- In-frame and not-retained protein feature among the 13 regional features.
PartnerGeneHbpTbpENSTStrandBPexonTotalExonProtein feature loci*BPlociTotalLenProtein featureProtein feature note


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Fusion Gene Sequence for PKIB-BLK


check button For in-frame fusion transcripts, we provide the fusion transcript sequences and fusion amino acid sequences. To have fusion amino acid sequence, we ran ORFfinder and chose the longest ORF among the all predicted ones.

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Fusion Gene PPI Analysis for PKIB-BLK


check button Go to ChiPPI (Chimeric Protein-Protein interactions) to see the chimeric PPI interaction in

ChiPPI page.


check button Protein-protein interactors with each fusion partner protein in wild-type (BIOGRID-3.4.160)
HgeneHgene's interactorsTgeneTgene's interactors


check button - Retained PPIs in in-frame fusion.
PartnerGeneHbpTbpENSTStrandBPexonTotalExonProtein feature loci*BPlociTotalLenStill interaction with


check button - Lost PPIs in in-frame fusion.
PartnerGeneHbpTbpENSTStrandBPexonTotalExonProtein feature loci*BPlociTotalLenInteraction lost with


check button - Retained PPIs, but lost function due to frame-shift fusion.
PartnerGeneHbpTbpENSTStrandBPexonTotalExonProtein feature loci*BPlociTotalLenInteraction lost with


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Related Drugs for PKIB-BLK


check button Drugs targeting genes involved in this fusion gene.
(DrugBank Version 5.1.8 2021-05-08)
PartnerGeneUniProtAccDrugBank IDDrug nameDrug activityDrug typeDrug status

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Related Diseases for PKIB-BLK


check button Diseases associated with fusion partners.
(DisGeNet 4.0)
PartnerGeneDisease IDDisease name# pubmedsSource