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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:PPP4R2-AHRR (FusionGDB2 ID:68200)

Fusion Gene Summary for PPP4R2-AHRR

check button Fusion gene summary
Fusion gene informationFusion gene name: PPP4R2-AHRR
Fusion gene ID: 68200
HgeneTgene
Gene symbol

PPP4R2

AHRR

Gene ID

151987

57491

Gene nameprotein phosphatase 4 regulatory subunit 2aryl-hydrocarbon receptor repressor
SynonymsPP4R2AHH|AHHR|bHLHe77
Cytomap

3p13

5p15.33

Type of geneprotein-codingprotein-coding
Descriptionserine/threonine-protein phosphatase 4 regulatory subunit 2aryl hydrocarbon receptor repressorahR repressoraryl hydrocarbon hydroxylase regulatorclass E basic helix-loop-helix protein 77dioxin receptor repressor
Modification date2020031320200322
UniProtAcc.

A9YTQ3

Ensembl transtripts involved in fusion geneENST00000356692, ENST00000394284, 
ENST00000495566, ENST00000295862, 
ENST00000512529, ENST00000506456, 
ENST00000515206, ENST00000316418, 
ENST00000505113, 
Fusion gene scores* DoF score7 X 3 X 6=1267 X 6 X 4=168
# samples 89
** MAII scorelog2(8/126*10)=-0.655351828612554
possibly effective Gene in Pan-Cancer Fusion Genes (peGinPCFGs).
DoF>8 and MAII<0		log2(9/168*10)=-0.900464326449086
possibly effective Gene in Pan-Cancer Fusion Genes (peGinPCFGs).
DoF>8 and MAII<0
Context

PubMed: PPP4R2 [Title/Abstract] AND AHRR [Title/Abstract] AND fusion [Title/Abstract]

Most frequent breakpointPPP4R2(73047309)-AHRR(422844), # samples:2
Anticipated loss of major functional domain due to fusion event.PPP4R2-AHRR seems lost the major protein functional domain in Hgene partner, which is a epigenetic factor due to the frame-shifted ORF.
PPP4R2-AHRR seems lost the major protein functional domain in Hgene partner, which is a essential gene due to the frame-shifted ORF.
PPP4R2-AHRR seems lost the major protein functional domain in Tgene partner, which is a transcription factor due to the frame-shifted ORF.
PPP4R2-AHRR seems lost the major protein functional domain in Tgene partner, which is a tumor suppressor due to the frame-shifted ORF.
* 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

check buttonFusion gene breakpoints across PPP4R2 (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 AHRR (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
ChimerDB4OVTCGA-09-0369-01APPP4R2chr3

73047309

+AHRRchr5

422844

+
ChimerDB4OVTCGA-09-0369PPP4R2chr3

73047309

+AHRRchr5

422843

+


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Fusion Gene ORF analysis for PPP4R2-AHRR

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
5CDS-5UTRENST00000356692ENST00000512529PPP4R2chr3

73047309

+AHRRchr5

422844

+
5CDS-5UTRENST00000356692ENST00000512529PPP4R2chr3

73047309

+AHRRchr5

422843

+
5CDS-5UTRENST00000394284ENST00000512529PPP4R2chr3

73047309

+AHRRchr5

422844

+
5CDS-5UTRENST00000394284ENST00000512529PPP4R2chr3

73047309

+AHRRchr5

422843

+
5CDS-5UTRENST00000495566ENST00000512529PPP4R2chr3

73047309

+AHRRchr5

422844

+
5CDS-5UTRENST00000495566ENST00000512529PPP4R2chr3

73047309

+AHRRchr5

422843

+
5CDS-intronENST00000356692ENST00000506456PPP4R2chr3

73047309

+AHRRchr5

422844

+
5CDS-intronENST00000356692ENST00000506456PPP4R2chr3

73047309

+AHRRchr5

422843

+
5CDS-intronENST00000356692ENST00000515206PPP4R2chr3

73047309

+AHRRchr5

422844

+
5CDS-intronENST00000356692ENST00000515206PPP4R2chr3

73047309

+AHRRchr5

422843

+
5CDS-intronENST00000394284ENST00000506456PPP4R2chr3

73047309

+AHRRchr5

422844

+
5CDS-intronENST00000394284ENST00000506456PPP4R2chr3

73047309

+AHRRchr5

422843

+
5CDS-intronENST00000394284ENST00000515206PPP4R2chr3

73047309

+AHRRchr5

422844

+
5CDS-intronENST00000394284ENST00000515206PPP4R2chr3

73047309

+AHRRchr5

422843

+
5CDS-intronENST00000495566ENST00000506456PPP4R2chr3

73047309

+AHRRchr5

422844

+
5CDS-intronENST00000495566ENST00000506456PPP4R2chr3

73047309

+AHRRchr5

422843

+
5CDS-intronENST00000495566ENST00000515206PPP4R2chr3

73047309

+AHRRchr5

422844

+
5CDS-intronENST00000495566ENST00000515206PPP4R2chr3

73047309

+AHRRchr5

422843

+
5UTR-3CDSENST00000295862ENST00000316418PPP4R2chr3

73047309

+AHRRchr5

422844

+
5UTR-3CDSENST00000295862ENST00000316418PPP4R2chr3

73047309

+AHRRchr5

422843

+
5UTR-3CDSENST00000295862ENST00000505113PPP4R2chr3

73047309

+AHRRchr5

422844

+
5UTR-3CDSENST00000295862ENST00000505113PPP4R2chr3

73047309

+AHRRchr5

422843

+
5UTR-5UTRENST00000295862ENST00000512529PPP4R2chr3

73047309

+AHRRchr5

422844

+
5UTR-5UTRENST00000295862ENST00000512529PPP4R2chr3

73047309

+AHRRchr5

422843

+
5UTR-intronENST00000295862ENST00000506456PPP4R2chr3

73047309

+AHRRchr5

422844

+
5UTR-intronENST00000295862ENST00000506456PPP4R2chr3

73047309

+AHRRchr5

422843

+
5UTR-intronENST00000295862ENST00000515206PPP4R2chr3

73047309

+AHRRchr5

422844

+
5UTR-intronENST00000295862ENST00000515206PPP4R2chr3

73047309

+AHRRchr5

422843

+
Frame-shiftENST00000356692ENST00000316418PPP4R2chr3

73047309

+AHRRchr5

422844

+
Frame-shiftENST00000356692ENST00000316418PPP4R2chr3

73047309

+AHRRchr5

422843

+
Frame-shiftENST00000356692ENST00000505113PPP4R2chr3

73047309

+AHRRchr5

422844

+
Frame-shiftENST00000356692ENST00000505113PPP4R2chr3

73047309

+AHRRchr5

422843

+
Frame-shiftENST00000394284ENST00000316418PPP4R2chr3

73047309

+AHRRchr5

422844

+
Frame-shiftENST00000394284ENST00000316418PPP4R2chr3

73047309

+AHRRchr5

422843

+
Frame-shiftENST00000394284ENST00000505113PPP4R2chr3

73047309

+AHRRchr5

422844

+
Frame-shiftENST00000394284ENST00000505113PPP4R2chr3

73047309

+AHRRchr5

422843

+
Frame-shiftENST00000495566ENST00000316418PPP4R2chr3

73047309

+AHRRchr5

422844

+
Frame-shiftENST00000495566ENST00000316418PPP4R2chr3

73047309

+AHRRchr5

422843

+
Frame-shiftENST00000495566ENST00000505113PPP4R2chr3

73047309

+AHRRchr5

422844

+
Frame-shiftENST00000495566ENST00000505113PPP4R2chr3

73047309

+AHRRchr5

422843

+

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 PPP4R2-AHRR


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)
PPP4R2chr373047309+AHRRchr5422843+1.35E-081
PPP4R2chr373047309+AHRRchr5422843+1.35E-081
PPP4R2chr373047309+AHRRchr5422843+1.35E-081
PPP4R2chr373047309+AHRRchr5422843+1.35E-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 PPP4R2-AHRR


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/:73047309/:422844)
- 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
.AHRR

A9YTQ3

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: Mediates dioxin toxicity and is involved in regulation of cell growth and differentiation. Represses the transcription activity of AHR by competing with this transcription factor for heterodimer formation with the ARNT and subsequently binding to the xenobiotic response element (XRE) sequence present in the promoter regulatory region of variety of genes. Represses CYP1A1 by binding the XRE sequence and recruiting ANKRA2, HDAC4 and/or HDAC5. Autoregulates its expression by associating with its own XRE site. {ECO:0000269|PubMed:17890447, ECO:0000269|PubMed:18172554}.

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 PPP4R2-AHRR


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 PPP4R2-AHRR


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 PPP4R2-AHRR


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 PPP4R2-AHRR


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