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Center for Computational Systems Medicine
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Fusion Gene and Fusion Protein Summary

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Fusion Amino Acid Sequences (multiple BPs and multiple gene isoforms)

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Fusion Protein Breakpoint Sequences - (for the Screening of the FusionNeoAntigens)

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Potential FusionNeoAntigens in HLA I - (netMHCpan v4.1 + deepHLApan v1.1)

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Potential FusionNeoAntigens in HLA II - (netMHCIIpan v4.1)

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Fusion Breakpoint 14 AA Peptide Structure - (RoseTTAFold)

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Filtering FusionNeoAntigens Through Checking the Interaction with HLAs in 3D - (Glide)

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Vaccine Design for the FusionNeoAntigens (RNA/protein sequences)

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Potential target of CAR-T therapy development

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Information on the samples that have these potential fusion neoantigens

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Fusion Protein Targeting Drugs - (Manual Curation)

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Fusion Protein Related diseases - (Manual Curation)

Fusion Protein:WNK1-IQSEC3

Fusion Gene and Fusion Protein Summary

check button Fusion gene summary
Fusion partner gene informationFusion gene name: WNK1-IQSEC3
FusionPDB ID: 99331
FusionGDB2.0 ID: 99331
HgeneTgene
Gene symbol

WNK1

IQSEC3

Gene ID

65125

440073

Gene nameWNK lysine deficient protein kinase 1IQ motif and Sec7 domain ArfGEF 3
SynonymsHSAN2|HSN2|KDP|PPP1R167|PRKWNK1|PSK|p65-
Cytomap

12p13.33

12p13.33

Type of geneprotein-codingprotein-coding
Descriptionserine/threonine-protein kinase WNK1WNK lysine deficient protein kinase 1 isoformerythrocyte 65 kDa proteinprostate-derived sterile 20-like kinaseprotein kinase with no lysine 1protein phosphatase 1, regulatory subunit 167serine/threonine-protein kiIQ motif and SEC7 domain-containing protein 3IQ motif and Sec7 domain 3
Modification date2020032720200313
UniProtAcc.

Q9UPP2

Main function of 5'-partner protein: FUNCTION: Acts as a guanine nucleotide exchange factor (GEF) for ARF1. {ECO:0000269|PubMed:17981261}.
Ensembl transtripts involved in fusion geneENST idsENST00000315939, ENST00000447667, 
ENST00000530271, ENST00000535572, 
ENST00000537687, ENST00000340908, 
ENST00000540360, ENST00000574564, 
ENST00000382841, ENST00000537151, 
ENST00000326261, ENST00000538872, 
Fusion gene scores for assessment (based on all fusion genes of FusionGDB 2.0)* DoF score23 X 19 X 15=65554 X 7 X 4=112
# samples 375
** MAII scorelog2(37/6555*10)=-4.14699860459281
possibly effective Gene in Pan-Cancer Fusion Genes (peGinPCFGs).
DoF>8 and MAII<0
log2(5/112*10)=-1.16349873228288
possibly effective Gene in Pan-Cancer Fusion Genes (peGinPCFGs).
DoF>8 and MAII<0
Fusion gene context

PubMed: WNK1 [Title/Abstract] AND IQSEC3 [Title/Abstract] AND fusion [Title/Abstract]

Fusion neoantigen context

PubMed: WNK1 [Title/Abstract] AND IQSEC3 [Title/Abstract] AND neoantigen [Title/Abstract]

Most frequent breakpoint (based on all fusion genes of FusionGDB 2.0)WNK1(863490)-IQSEC3(247433), # samples:3
Anticipated loss of major functional domain due to fusion event.WNK1-IQSEC3 seems lost the major protein functional domain in Hgene partner, which is a CGC by not retaining the major functional domain in the partially deleted in-frame ORF.
WNK1-IQSEC3 seems lost the major protein functional domain in Hgene partner, which is a CGC by not retaining the major functional domain in the partially deleted in-frame ORF.
WNK1-IQSEC3 seems lost the major protein functional domain in Hgene partner, which is a essential gene by not retaining the major functional domain in the partially deleted in-frame ORF.
WNK1-IQSEC3 seems lost the major protein functional domain in Hgene partner, which is a essential gene by not retaining the major functional domain in the partially deleted in-frame ORF.
WNK1-IQSEC3 seems lost the major protein functional domain in Hgene partner, which is a essential gene due to the frame-shifted ORF.
WNK1-IQSEC3 seems lost the major protein functional domain in Hgene partner, which is a IUPHAR drug target due to the frame-shifted ORF.
WNK1-IQSEC3 seems lost the major protein functional domain in Hgene partner, which is a kinase due to the frame-shifted ORF.
WNK1-IQSEC3 seems lost the major protein functional domain in Tgene partner, which is a essential gene 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
HgeneWNK1

GO:0006468

protein phosphorylation

10660600

HgeneWNK1

GO:0010923

negative regulation of phosphatase activity

19389623

HgeneWNK1

GO:0023016

signal transduction by trans-phosphorylation

16669787

HgeneWNK1

GO:0035556

intracellular signal transduction

10660600



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/chr12:863490/chr12:247433)
- 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 buttonRetention analysis results 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, are available here.

check buttonFusion gene breakpoints across WNK1 (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 IQSEC3 (3'-gene)
* Click on the image to open the UCSC genome browser with custom track showing this image in a new window.
all structure


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Fusion Amino Acid Sequences


check buttonFusion information from ORFfinder translation from full-length transcript sequence from FusionPDB.
HenstTenstHgeneHchrHbpHstrandTgeneTchrTbpTstrandSeq length
(transcript)
BP loci
(transcript)
Predicted start
(transcript)
Predicted stop
(transcript)
Seq length
(amino acids)
ENST00000535572WNK1chr12863490+ENST00000538872IQSEC3chr12247433+7805173282643771183
ENST00000535572WNK1chr12863490+ENST00000326261IQSEC3chr12247433+7692173282643771183
ENST00000537687WNK1chr12863490+ENST00000538872IQSEC3chr12247433+7475140249640471183
ENST00000537687WNK1chr12863490+ENST00000326261IQSEC3chr12247433+7362140249640471183
ENST00000315939WNK1chr12863490+ENST00000538872IQSEC3chr12247433+7475140249640471183
ENST00000315939WNK1chr12863490+ENST00000326261IQSEC3chr12247433+7362140249640471183
ENST00000447667WNK1chr12863490+ENST00000538872IQSEC3chr12247433+7342126936339141183
ENST00000447667WNK1chr12863490+ENST00000326261IQSEC3chr12247433+7229126936339141183
ENST00000530271WNK1chr12863490+ENST00000538872IQSEC3chr12247433+6832759034041134
ENST00000530271WNK1chr12863490+ENST00000326261IQSEC3chr12247433+6719759034041134
ENST00000535572WNK1chr12863490+ENST00000538872IQSEC3chr12247432+7805173282643771183
ENST00000535572WNK1chr12863490+ENST00000326261IQSEC3chr12247432+7692173282643771183
ENST00000537687WNK1chr12863490+ENST00000538872IQSEC3chr12247432+7475140249640471183
ENST00000537687WNK1chr12863490+ENST00000326261IQSEC3chr12247432+7362140249640471183
ENST00000315939WNK1chr12863490+ENST00000538872IQSEC3chr12247432+7475140249640471183
ENST00000315939WNK1chr12863490+ENST00000326261IQSEC3chr12247432+7362140249640471183
ENST00000447667WNK1chr12863490+ENST00000538872IQSEC3chr12247432+7342126936339141183
ENST00000447667WNK1chr12863490+ENST00000326261IQSEC3chr12247432+7229126936339141183
ENST00000530271WNK1chr12863490+ENST00000538872IQSEC3chr12247432+6832759034041134
ENST00000530271WNK1chr12863490+ENST00000326261IQSEC3chr12247432+6719759034041134

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
ENST00000535572ENST00000538872WNK1chr12863490+IQSEC3chr12247433+0.0109676340.9890324
ENST00000535572ENST00000326261WNK1chr12863490+IQSEC3chr12247433+0.0108703350.98912966
ENST00000537687ENST00000538872WNK1chr12863490+IQSEC3chr12247433+0.0081182790.9918818
ENST00000537687ENST00000326261WNK1chr12863490+IQSEC3chr12247433+0.0080647250.99193525
ENST00000315939ENST00000538872WNK1chr12863490+IQSEC3chr12247433+0.0081182790.9918818
ENST00000315939ENST00000326261WNK1chr12863490+IQSEC3chr12247433+0.0080647250.99193525
ENST00000447667ENST00000538872WNK1chr12863490+IQSEC3chr12247433+0.0075448160.9924551
ENST00000447667ENST00000326261WNK1chr12863490+IQSEC3chr12247433+0.0074860880.99251384
ENST00000530271ENST00000538872WNK1chr12863490+IQSEC3chr12247433+0.0039762020.9960238
ENST00000530271ENST00000326261WNK1chr12863490+IQSEC3chr12247433+0.00395930.9960407
ENST00000535572ENST00000538872WNK1chr12863490+IQSEC3chr12247432+0.0109676340.9890324
ENST00000535572ENST00000326261WNK1chr12863490+IQSEC3chr12247432+0.0108703350.98912966
ENST00000537687ENST00000538872WNK1chr12863490+IQSEC3chr12247432+0.0081182790.9918818
ENST00000537687ENST00000326261WNK1chr12863490+IQSEC3chr12247432+0.0080647250.99193525
ENST00000315939ENST00000538872WNK1chr12863490+IQSEC3chr12247432+0.0081182790.9918818
ENST00000315939ENST00000326261WNK1chr12863490+IQSEC3chr12247432+0.0080647250.99193525
ENST00000447667ENST00000538872WNK1chr12863490+IQSEC3chr12247432+0.0075448160.9924551
ENST00000447667ENST00000326261WNK1chr12863490+IQSEC3chr12247432+0.0074860880.99251384
ENST00000530271ENST00000538872WNK1chr12863490+IQSEC3chr12247432+0.0039762020.9960238
ENST00000530271ENST00000326261WNK1chr12863490+IQSEC3chr12247432+0.00395930.9960407

check button Predicted full-length fusion amino acid sequences. For individual full-length fusion transcript sequence from FusionPDB, we ran ORFfinder and chose the longest ORF among all the predicted ones.

Get the fusion protein sequences from here.

Fusion protein sequence information is available in the fasta format.
>FusionGDB ID_FusionGDB isoform ID_FGname_Hgene_Hchr_Hbp_Henst_Tgene_Tchr_Tbp_Tenst_length(fusion AA) seq_BP

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Fusion Protein Breakpoint Sequences for WNK1-IQSEC3

check button +/-13 AA sequence from the breakpoints of the fusion protein sequences.
HgeneHchrHbpTgeneTchrTbpLength(fusion protein)BP in fusion proteinPeptide
WNK1chr12863490IQSEC3chr122474321269300LDTETTVEVAWCELQIEMLEHKYGGH
WNK1chr12863490IQSEC3chr122474321402300LDTETTVEVAWCELQIEMLEHKYGGH
WNK1chr12863490IQSEC3chr122474321732300LDTETTVEVAWCELQIEMLEHKYGGH
WNK1chr12863490IQSEC3chr12247432759251LDTETTVEVAWCELQIEMLEHKYGGH
WNK1chr12863490IQSEC3chr122474331269300LDTETTVEVAWCELQIEMLEHKYGGH
WNK1chr12863490IQSEC3chr122474331402300LDTETTVEVAWCELQIEMLEHKYGGH
WNK1chr12863490IQSEC3chr122474331732300LDTETTVEVAWCELQIEMLEHKYGGH
WNK1chr12863490IQSEC3chr12247433759251LDTETTVEVAWCELQIEMLEHKYGGH

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Potential FusionNeoAntigen Information of WNK1-IQSEC3 in HLA I

check button Multiple sequence alignments of the potential FusionNeoAntigens per fusion breakpoints. If the MSA is empty, then it means that there were predicted fusion neoantigens in this fusion breakpoint, but those predicted fusion neoantigens were not across the breakpoint, which is not fusion-specific.
WNK1-IQSEC3_863490_247432.msa

check button Potential FusionNeoAntigen Information
* We used NetMHCpan v4.1 (%rank<0.5) and deepHLApan v1.1 (immunogenic score>0.5)
Fusion geneHchrHbpTgeneTchrTbpHLA IFusionNeoAntigen peptideBinding scoreImmunogenic scoreNeoantigen start (at BP 13)Neoantigen end (at BP 13)
WNK1-IQSEC3chr12863490chr122474321402HLA-A69:01EVAWCELQI0.98870.5857716

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Potential FusionNeoAntigen Information of WNK1-IQSEC3 in HLA II

check button Multiple sequence alignments of the potential FusionNeoAntigens per fusion breakpoints. If the MSA is empty, then it means that there were predicted fusion neoantigens in this fusion breakpoint, but those predicted fusion neoantigens were not across the breakpoint, which is not fusion-specific.
WNK1-IQSEC3_863490_247432.msa

check button Potential FusionNeoAntigen Information
* We used NetMHCIIpan v4.1 (%rank<0.5).
Fusion geneHchrHbpTgeneTchrTbpHLA IIFusionNeoAntigen peptideNeoantigen start (at BP 13)Neoantigen end (at BP 13)
WNK1-IQSEC3chr12863490chr122474321402DRB1-0831CELQIEMLEHKYGGH1126
WNK1-IQSEC3chr12863490chr122474321402DRB1-1192CELQIEMLEHKYGGH1126
WNK1-IQSEC3chr12863490chr122474321402DRB1-1204CELQIEMLEHKYGGH1126
WNK1-IQSEC3chr12863490chr122474321402DRB1-1209CELQIEMLEHKYGGH1126
WNK1-IQSEC3chr12863490chr122474321402DRB1-1220CELQIEMLEHKYGGH1126

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Fusion breakpoint peptide structures of WNK1-IQSEC3

check button3D structures of the fusion breakpoint peptide of 14AA sequence that have potential fusion neoantigens
* The minimum length of the amino acid sequence in RoseTTAFold is 14AA. Here, we predicted the 14AA fusion protein breakpoint sequence not the fusion neoantigen peptide, which is shorter than 14 AA.
File nameBPseqHgeneTgeneHchrHbpTchrTbpAAlen
9912VEVAWCELQIEMLEWNK1IQSEC3chr12863490chr122474321402

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Filtering FusionNeoAntigens Through Checking the Interaction with HLAs in 3D of WNK1-IQSEC3

check buttonVirtual screening between 25 HLAs (from PDB) and FusionNeoAntigens
* We used Glide to predict the interaction between HLAs and neoantigens.
HLA allelePDB IDFile nameBPseqDocking scoreGlide score
HLA-B14:023BVN9912VEVAWCELQIEMLE-7.15543-7.26883
HLA-B14:023BVN9912VEVAWCELQIEMLE-4.77435-5.80965
HLA-B52:013W399912VEVAWCELQIEMLE-6.80875-6.92215
HLA-B52:013W399912VEVAWCELQIEMLE-4.20386-5.23916
HLA-A11:014UQ29912VEVAWCELQIEMLE-7.5194-8.5547
HLA-A11:014UQ29912VEVAWCELQIEMLE-6.9601-7.0735
HLA-A24:025HGA9912VEVAWCELQIEMLE-7.52403-7.63743
HLA-A24:025HGA9912VEVAWCELQIEMLE-5.82433-6.85963
HLA-B27:056PYJ9912VEVAWCELQIEMLE-3.28285-4.31815
HLA-B44:053DX89912VEVAWCELQIEMLE-5.91172-6.94702
HLA-B44:053DX89912VEVAWCELQIEMLE-4.24346-4.35686

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Vaccine Design for the FusionNeoAntigens of WNK1-IQSEC3

check button mRNA and peptide sequences of FusionNeoAntigens that have potential interaction with HLA-Is.
Fusion geneHchrHbpTchrTbpStart in +/-13AAEnd in +/-13AAFusionNeoAntigen peptide sequenceFusionNeoAntigen RNA sequence
WNK1-IQSEC3chr12863490chr12247432716EVAWCELQIGCCTGGTGTGAACTGCAGATTGAAATG

check button mRNA and peptide sequences of FusionNeoAntigens that have potential interaction with HLA-IIs.
Fusion geneHchrHbpTchrTbpStart in +/-13AAEnd in +/-13AAFusionNeoAntigen peptideFusionNEoAntigen RNA sequence
WNK1-IQSEC3chr12863490chr122474321126CELQIEMLEHKYGGHCTGCAGATTGAAATGCTAGAACATAAGTACGGCGGTCACCTGGTG

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Information of the samples that have these potential fusion neoantigens of WNK1-IQSEC3

check button These samples were reported as having these fusion breakpoints. For individual breakpoints, we checked the open reading frames considering multiple gene isoforms and chose the in-frame fusion genes only. Then, we made fusion protein sequences and predicted the fusion neoantigens. These fusion-positive samples may have these potential fusion neoantigens.
Cancer typeFusion geneHchrHbpHenstTchrTbpTenstSample
OVWNK1-IQSEC3chr12863490ENST00000315939chr12247432ENST00000326261TCGA-24-0970

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Potential target of CAR-T therapy development for WNK1-IQSEC3

check button Predicted 3D structure. We used RoseTTAFold.

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, to provide the retention of the transmembrane domain, we only show the protein feature retention information of those transmembrane features


* Minus value of BPloci means that the break point is located before the CDS.
- In-frame and retained 'Transmembrane'.
PartnerGeneHbpTbpENSTStrandBPexonTotalExonProtein feature loci*BPlociTotalLenProtein featureProtein feature note

check button Subcellular localization prediction of the transmembrane domain retained fusion proteins
* We used DeepLoc 1.0. The order of the X-axis of the barplot is as follows: Entry_ID, Localization, Type, Nucleus, Cytoplasm, Extracellular, Mitochondrion, Cell_membrane, Endoplasmic_reticulum, Plastid, Golgi.apparatus, Lysosome.Vacuole, Peroxisome. Y-axis is the output score of DeepLoc. Clicking the image will open a new tab with a large image.
HgeneHchrHbpHenstTgeneTchrTbpTenstDeepLoc result

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Related Drugs to WNK1-IQSEC3

check button Drugs used for this fusion-positive patient.
(Manual curation of PubMed, 04-30-2022 + MyCancerGenome)
HgeneTgeneDrugSourcePMID

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Related Diseases to WNK1-IQSEC3

check button Diseases that have this fusion gene.
(Manual curation of PubMed, 04-30-2022 + MyCancerGenome)
HgeneTgeneDiseaseSourcePMID

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