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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:ACAT2-IGHG2 (FusionGDB2 ID:HG39TG3501)

Fusion Gene Summary for ACAT2-IGHG2

check button Fusion gene summary
Fusion gene informationFusion gene name: ACAT2-IGHG2
Fusion gene ID: hg39tg3501
HgeneTgene
Gene symbol

ACAT2

IGHG2

Gene ID

39

3501

Gene nameacetyl-CoA acetyltransferase 2
Synonyms-
Cytomap('ACAT2')('IGHG2')

6q25.3

Type of geneprotein-coding
Descriptionacetyl-CoA acetyltransferase, cytosolicacetoacetyl Coenzyme A thiolaseacetyl-CoA transferase-like proteincytosolic acetoacetyl-CoA thiolase
Modification date20200313
UniProtAcc.

P01859

Ensembl transtripts involved in fusion geneENST00000367048, ENST00000472052, 
ENST00000541436, 
Fusion gene scores* DoF score8 X 7 X 5=28030 X 22 X 13=8580
# samples 1237
** MAII scorelog2(12/280*10)=-1.22239242133645
possibly effective Gene in Pan-Cancer Fusion Genes (peGinPCFGs).
DoF>8 and MAII<0
log2(37/8580*10)=-4.5353804718706
possibly effective Gene in Pan-Cancer Fusion Genes (peGinPCFGs).
DoF>8 and MAII<0
Context

PubMed: ACAT2 [Title/Abstract] AND IGHG2 [Title/Abstract] AND fusion [Title/Abstract]

Most frequent breakpointACAT2(160183155)-IGHG2(106111130), # samples:2
ACAT2(160183157)-IGHG2(106111128), # samples:2
Anticipated loss of major functional domain due to fusion event.ACAT2-IGHG2 seems lost the major protein functional domain in Hgene partner, which is a cell metabolism gene due to the frame-shifted ORF.
ACAT2-IGHG2 seems lost the major protein functional domain in Hgene partner, which is a IUPHAR drug target 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 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
ChimerDB4HNSCTCGA-CR-6470ACAT2chr6

160183155

+IGHG2chr14

106111130

-
ChimerDB4HNSCTCGA-CR-6470ACAT2chr6

160183155

+IGHG2chr14

106209411

-
ChimerDB4HNSCTCGA-CR-7374ACAT2chr6

160183155

+IGHG2chr14

106111130

-
ChimerDB4LUSCTCGA-66-2769ACAT2chr6

160183157

+IGHG2chr14

106111128

-
ChimerDB4STADTCGA-BR-8591-01AACAT2chr6

160183157

+IGHG2chr14

106111128

-


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Fusion Gene ORF analysis for ACAT2-IGHG2

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-intronENST00000367048ENST00000390545ACAT2chr6

160183155

+IGHG2chr14

106209411

-
Frame-shiftENST00000367048ENST00000390545ACAT2chr6

160183155

+IGHG2chr14

106111130

-
Frame-shiftENST00000367048ENST00000390545ACAT2chr6

160183157

+IGHG2chr14

106111128

-
intron-3CDSENST00000472052ENST00000390545ACAT2chr6

160183155

+IGHG2chr14

106111130

-
intron-3CDSENST00000472052ENST00000390545ACAT2chr6

160183157

+IGHG2chr14

106111128

-
intron-3CDSENST00000541436ENST00000390545ACAT2chr6

160183155

+IGHG2chr14

106111130

-
intron-3CDSENST00000541436ENST00000390545ACAT2chr6

160183157

+IGHG2chr14

106111128

-
intron-intronENST00000472052ENST00000390545ACAT2chr6

160183155

+IGHG2chr14

106209411

-
intron-intronENST00000541436ENST00000390545ACAT2chr6

160183155

+IGHG2chr14

106209411

-

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 ACAT2-IGHG2


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)


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Fusion Protein Features for ACAT2-IGHG2


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/:160183155/:106111130)
- 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
.IGHG2

P01859

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: Constant region of immunoglobulin heavy chains. Immunoglobulins, also known as antibodies, are membrane-bound or secreted glycoproteins produced by B lymphocytes. In the recognition phase of humoral immunity, the membrane-bound immunoglobulins serve as receptors which, upon binding of a specific antigen, trigger the clonal expansion and differentiation of B lymphocytes into immunoglobulins-secreting plasma cells. Secreted immunoglobulins mediate the effector phase of humoral immunity, which results in the elimination of bound antigens (PubMed:22158414, PubMed:20176268). The antigen binding site is formed by the variable domain of one heavy chain, together with that of its associated light chain. Thus, each immunoglobulin has two antigen binding sites with remarkable affinity for a particular antigen. The variable domains are assembled by a process called V-(D)-J rearrangement and can then be subjected to somatic hypermutations which, after exposure to antigen and selection, allow affinity maturation for a particular antigen (PubMed:17576170, PubMed:20176268). {ECO:0000303|PubMed:17576170, ECO:0000303|PubMed:20176268, ECO:0000303|PubMed:22158414}.

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 ACAT2-IGHG2


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 ACAT2-IGHG2


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 ACAT2-IGHG2


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 ACAT2-IGHG2


check button Diseases associated with fusion partners.
(DisGeNet 4.0)
PartnerGeneDisease IDDisease name# pubmedsSource
TgeneC0027121Myositis1CTD_human
TgeneC0158353Infectious Myositis1CTD_human
TgeneC0162539IgG Deficiency disorder1ORPHANET
TgeneC0544796Myositis, Proliferative1CTD_human
TgeneC0751356Idiopathic Inflammatory Myopathies1CTD_human
TgeneC0751357Myositis, Focal1CTD_human
TgeneC3279824Kappa-Chain Deficiency1ORPHANET