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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:IQGAP1-SPPL2A (FusionGDB2 ID:40167)

Fusion Gene Summary for IQGAP1-SPPL2A

check button Fusion gene summary
Fusion gene informationFusion gene name: IQGAP1-SPPL2A
Fusion gene ID: 40167
HgeneTgene
Gene symbol

IQGAP1

SPPL2A

Gene ID

8826

84888

Gene nameIQ motif containing GTPase activating protein 1signal peptide peptidase like 2A
SynonymsHUMORFA01|SAR1|p195IMP3|PSL2
Cytomap

15q26.1

15q21.2

Type of geneprotein-codingprotein-coding
Descriptionras GTPase-activating-like protein IQGAP1RasGAP-like with IQ motifssignal peptide peptidase-like 2AIMP-3SPP-like 2Aintramembrane cleaving proteaseintramembrane protease 3presenilin-like protein 2
Modification date2020032720200313
UniProtAcc

P46940

Q8TCT8

Ensembl transtripts involved in fusion geneENST00000268182, ENST00000560020, 
ENST00000560738, 
ENST00000559293, 
ENST00000261854, 
Fusion gene scores* DoF score27 X 20 X 12=648011 X 9 X 7=693
# samples 3211
** MAII scorelog2(32/6480*10)=-4.33985000288463
possibly effective Gene in Pan-Cancer Fusion Genes (peGinPCFGs).
DoF>8 and MAII<0
log2(11/693*10)=-2.65535182861255
possibly effective Gene in Pan-Cancer Fusion Genes (peGinPCFGs).
DoF>8 and MAII<0
Context

PubMed: IQGAP1 [Title/Abstract] AND SPPL2A [Title/Abstract] AND fusion [Title/Abstract]

Most frequent breakpointIQGAP1(90934105)-SPPL2A(51000071), # 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
HgeneIQGAP1

GO:0071277

cellular response to calcium ion

18567582

TgeneSPPL2A

GO:0006509

membrane protein ectodomain proteolysis

16829951|17965014

TgeneSPPL2A

GO:0031293

membrane protein intracellular domain proteolysis

16829951|17557115

TgeneSPPL2A

GO:0033619

membrane protein proteolysis

2313285


check buttonFusion gene breakpoints across IQGAP1 (5'-gene)
* Click on the image to open the UCSC genome browser with custom track showing this image in a new window.
all structure

check buttonFusion gene breakpoints across SPPL2A (3'-gene)
* Click on the image to open the UCSC genome browser with custom track showing this image in a new window.
all structure

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-HL-7533-01AIQGAP1chr15

90934105

+SPPL2Achr15

51000071

-
ChimerDB4HNSCTCGA-HL-7533IQGAP1chr15

90934105

+SPPL2Achr15

51000071

-


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Fusion Gene ORF analysis for IQGAP1-SPPL2A

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-intronENST00000268182ENST00000559293IQGAP1chr15

90934105

+SPPL2Achr15

51000071

-
In-frameENST00000268182ENST00000261854IQGAP1chr15

90934105

+SPPL2Achr15

51000071

-
intron-3CDSENST00000560020ENST00000261854IQGAP1chr15

90934105

+SPPL2Achr15

51000071

-
intron-3CDSENST00000560738ENST00000261854IQGAP1chr15

90934105

+SPPL2Achr15

51000071

-
intron-intronENST00000560020ENST00000559293IQGAP1chr15

90934105

+SPPL2Achr15

51000071

-
intron-intronENST00000560738ENST00000559293IQGAP1chr15

90934105

+SPPL2Achr15

51000071

-

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)
ENST00000268182IQGAP1chr1590934105+ENST00000261854SPPL2Achr1551000071-8452793066181

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
ENST00000268182ENST00000261854IQGAP1chr1590934105+SPPL2Achr1551000071-0.234966020.76503396

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Fusion Genomic Features for IQGAP1-SPPL2A


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)

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.
genomic feature

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.

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Fusion Protein Features for IQGAP1-SPPL2A


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/chr15:90934105/chr15:51000071)
- 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
IQGAP1

P46940

SPPL2A

Q8TCT8

FUNCTION: Plays a crucial role in regulating the dynamics and assembly of the actin cytoskeleton. Binds to activated CDC42 but does not stimulate its GTPase activity. It associates with calmodulin. Could serve as an assembly scaffold for the organization of a multimolecular complex that would interface incoming signals to the reorganization of the actin cytoskeleton at the plasma membrane. May promote neurite outgrowth (PubMed:15695813). May play a possible role in cell cycle regulation by contributing to cell cycle progression after DNA replication arrest (PubMed:20883816). {ECO:0000269|PubMed:15695813, ECO:0000269|PubMed:20883816}.FUNCTION: Intramembrane-cleaving aspartic protease (I-CLiP) that cleaves type II membrane signal peptides in the hydrophobic plane of the membrane. Functions in FASLG, ITM2B and TNF processing (PubMed:16829952, PubMed:16829951, PubMed:17557115, PubMed:17965014). Catalyzes the intramembrane cleavage of the anchored fragment of shed TNF-alpha (TNF), which promotes the release of the intracellular domain (ICD) for signaling to the nucleus (PubMed:16829952). Also responsible for the intramembrane cleavage of Fas antigen ligand FASLG, which promotes the release of the intracellular FasL domain (FasL ICD) (PubMed:17557115). May play a role in the regulation of innate and adaptive immunity (PubMed:16829952). Catalyzes the intramembrane cleavage of the simian foamy virus envelope glycoprotein gp130 independently of prior ectodomain shedding by furin or furin-like proprotein convertase (PC)-mediated cleavage proteolysis (PubMed:23132852). {ECO:0000269|PubMed:16829951, ECO:0000269|PubMed:16829952, ECO:0000269|PubMed:17557115, ECO:0000269|PubMed:17965014, ECO:0000269|PubMed:23132852}.

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
TgeneSPPL2Achr15:90934105chr15:51000071ENST000002618541315495_498496521.0MotifNote=YXXo lysosomal targeting motif

- In-frame and not-retained protein feature among the 13 regional features.
PartnerGeneHbpTbpENSTStrandBPexonTotalExonProtein feature loci*BPlociTotalLenProtein featureProtein feature note
HgeneIQGAP1chr15:90934105chr15:51000071ENST00000268182+2381004_1237511658.0DomainRas-GAP
HgeneIQGAP1chr15:90934105chr15:51000071ENST00000268182+23844_159511658.0DomainCalponin-homology (CH)
HgeneIQGAP1chr15:90934105chr15:51000071ENST00000268182+238679_712511658.0DomainWW
HgeneIQGAP1chr15:90934105chr15:51000071ENST00000268182+238745_774511658.0DomainIQ 1
HgeneIQGAP1chr15:90934105chr15:51000071ENST00000268182+238775_804511658.0DomainIQ 2
HgeneIQGAP1chr15:90934105chr15:51000071ENST00000268182+238805_834511658.0DomainIQ 3
HgeneIQGAP1chr15:90934105chr15:51000071ENST00000268182+238835_864511658.0DomainIQ 4
HgeneIQGAP1chr15:90934105chr15:51000071ENST00000268182+2381276_1657511658.0RegionNote=C2
HgeneIQGAP1chr15:90934105chr15:51000071ENST00000268182+238956_1274511658.0RegionNote=C1
TgeneSPPL2Achr15:90934105chr15:51000071ENST00000261854131563_151496521.0DomainNote=PA
TgeneSPPL2Achr15:90934105chr15:51000071ENST000002618541315463_465496521.0MotifNote=PAL
TgeneSPPL2Achr15:90934105chr15:51000071ENST000002618541315194_220496521.0Topological domainCytoplasmic
TgeneSPPL2Achr15:90934105chr15:51000071ENST000002618541315242_247496521.0Topological domainLumenal
TgeneSPPL2Achr15:90934105chr15:51000071ENST000002618541315269_285496521.0Topological domainCytoplasmic
TgeneSPPL2Achr15:90934105chr15:51000071ENST00000261854131526_172496521.0Topological domainLumenal
TgeneSPPL2Achr15:90934105chr15:51000071ENST000002618541315307_311496521.0Topological domainLumenal
TgeneSPPL2Achr15:90934105chr15:51000071ENST000002618541315333_340496521.0Topological domainCytoplasmic
TgeneSPPL2Achr15:90934105chr15:51000071ENST000002618541315362_399496521.0Topological domainLumenal
TgeneSPPL2Achr15:90934105chr15:51000071ENST000002618541315421_437496521.0Topological domainCytoplasmic
TgeneSPPL2Achr15:90934105chr15:51000071ENST000002618541315459_460496521.0Topological domainLumenal
TgeneSPPL2Achr15:90934105chr15:51000071ENST000002618541315482_520496521.0Topological domainCytoplasmic
TgeneSPPL2Achr15:90934105chr15:51000071ENST000002618541315173_193496521.0TransmembraneHelical
TgeneSPPL2Achr15:90934105chr15:51000071ENST000002618541315221_241496521.0TransmembraneHelical
TgeneSPPL2Achr15:90934105chr15:51000071ENST000002618541315248_268496521.0TransmembraneHelical
TgeneSPPL2Achr15:90934105chr15:51000071ENST000002618541315286_306496521.0TransmembraneHelical
TgeneSPPL2Achr15:90934105chr15:51000071ENST000002618541315312_332496521.0TransmembraneHelical
TgeneSPPL2Achr15:90934105chr15:51000071ENST000002618541315341_361496521.0TransmembraneHelical
TgeneSPPL2Achr15:90934105chr15:51000071ENST000002618541315400_420496521.0TransmembraneHelical
TgeneSPPL2Achr15:90934105chr15:51000071ENST000002618541315438_458496521.0TransmembraneHelical
TgeneSPPL2Achr15:90934105chr15:51000071ENST000002618541315461_481496521.0TransmembraneHelical


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Fusion Gene Sequence for IQGAP1-SPPL2A


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.
>40167_40167_1_IQGAP1-SPPL2A_IQGAP1_chr15_90934105_ENST00000268182_SPPL2A_chr15_51000071_ENST00000261854_length(transcript)=845nt_BP=279nt
GACGGCACGGGGCGGGGCCTCGGGGACCCCGGCAAGCCCGCGCACTTGGCAGGAGCTGTAGCTACCGCCGTCCGCGCCTCCAAGGTTTCA
CGGCTTCCTCAGCAGAGACTCGGGCTCGTCCGCCATGTCCGCCGCAGACGAGGTTGACGGGCTGGGCGTGGCCCGGCCGCACTATGGCTC
TGTCCTGGATAATGAAAGACTTACTGCAGAGGAGATGGATGAAAGGAGACGTCAGAACGTGGCTTATGAGTACCTTTGTCATTTGGAAGA
AGCGAAGAGATGATGGACCATTTGGATTGTGCAACAAATGAAGAAAACCCTGTGATATCTGGTGAACAGATTGTCCAGCAATAATATTAT
GTGGAACTGCTATAATGTGTCATTGATTTTCTACAAATAGACTTCGACTTTTTAAATTGACTTTTGAATTGACAATCTGAAAGAGTCTTC
AATGATATGCTTGCAAAAATATATTTTTATGAGCTGGTACTGACAGTTACATCATAAATAACTAAAACGCTTTGCTTTTAATGTTAAAGT
TGTGCCTTCACATTAAATAAAACATATGGTCTGTGTAGTTTCCGAGATGTACTATATACAGTATATTTTTCTAAAAAAAAATGCCTTGAC
CCACCCCTATACTTTTTTTTAACGAAATCTGTTTCTTTCAGCTCTGATGGTAGATACAAGTAGTTACTATTTCTGAATGGGTTTTACTGT
AAAGAATTATGCAAATTGGCCAGGCGCGGTGGCTCACGCCTGTAATCCCAACACTTTGGGAGGCCAAGGCGGGCGGATCACGAGGTCAGG

>40167_40167_1_IQGAP1-SPPL2A_IQGAP1_chr15_90934105_ENST00000268182_SPPL2A_chr15_51000071_ENST00000261854_length(amino acids)=81AA_BP=

--------------------------------------------------------------

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Fusion Gene PPI Analysis for IQGAP1-SPPL2A


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 IQGAP1-SPPL2A


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 IQGAP1-SPPL2A


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