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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:GAB2-CERS6

Fusion Gene and Fusion Protein Summary

check button Fusion gene summary
Fusion partner gene informationFusion gene name: GAB2-CERS6
FusionPDB ID: 32027
FusionGDB2.0 ID: 32027
HgeneTgene
Gene symbol

GAB2

CERS6

Gene ID

9846

253782

Gene nameGRB2 associated binding protein 2ceramide synthase 6
Synonyms-CERS5|LASS6
Cytomap

11q14.1

2q24.3

Type of geneprotein-codingprotein-coding
DescriptionGRB2-associated-binding protein 2Grb2-associated binder 2growth factor receptor bound protein 2-associated protein 2pp100ceramide synthase 6LAG1 homolog, ceramide synthase 6longevity assurance homolog 6
Modification date2020032720200313
UniProtAcc

Q9UQC2

Main function of 5'-partner protein: FUNCTION: Adapter protein which acts downstream of several membrane receptors including cytokine, antigen, hormone, cell matrix and growth factor receptors to regulate multiple signaling pathways. Regulates osteoclast differentiation mediating the TNFRSF11A/RANK signaling. In allergic response, it plays a role in mast cells activation and degranulation through PI-3-kinase regulation. Also involved in the regulation of cell proliferation and hematopoiesis. {ECO:0000269|PubMed:15750601, ECO:0000269|PubMed:19172738}.

Q6ZMG9

Main function of 5'-partner protein: FUNCTION: Ceramide synthase that catalyzes formation of ceramide from sphinganine and acyl-CoA substrates, with high selectivity toward palmitoyl-CoA (hexadecanoyl-CoA; C16:0-CoA) as acyl donor (PubMed:17977534, PubMed:17609214, PubMed:23530041, PubMed:26887952, PubMed:31916624). Can use other acyl donors, but with less efficiency (By similarity). Ceramides generated by CERS6 play a role in inflammatory response (By similarity). Acts as a regulator of metabolism and hepatic lipid accumulation (By similarity). Under high fat diet, palmitoyl- (C16:0-) ceramides generated by CERS6 specifically bind the mitochondrial fission factor MFF, thereby promoting mitochondrial fragmentation and contributing to the development of obesity (By similarity). {ECO:0000250|UniProtKB:Q8C172, ECO:0000269|PubMed:17609214, ECO:0000269|PubMed:17977534, ECO:0000269|PubMed:23530041, ECO:0000269|PubMed:26887952, ECO:0000269|PubMed:31916624}.
Ensembl transtripts involved in fusion geneENST idsENST00000526030, ENST00000361507, 
ENST00000340149, 
ENST00000305747, 
ENST00000392687, 
Fusion gene scores for assessment (based on all fusion genes of FusionGDB 2.0)* DoF score25 X 12 X 7=21005 X 5 X 3=75
# samples 275
** MAII scorelog2(27/2100*10)=-2.95935801550265
possibly effective Gene in Pan-Cancer Fusion Genes (peGinPCFGs).
DoF>8 and MAII<0
log2(5/75*10)=-0.584962500721156
possibly effective Gene in Pan-Cancer Fusion Genes (peGinPCFGs).
DoF>8 and MAII<0
Fusion gene context

PubMed: GAB2 [Title/Abstract] AND CERS6 [Title/Abstract] AND fusion [Title/Abstract]

Fusion neoantigen context

PubMed: GAB2 [Title/Abstract] AND CERS6 [Title/Abstract] AND neoantigen [Title/Abstract]

Most frequent breakpoint (based on all fusion genes of FusionGDB 2.0)GAB2(78128691)-CERS6(169547543), # samples:1
Anticipated loss of major functional domain due to fusion event.GAB2-CERS6 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.
GAB2-CERS6 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.
* 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
HgeneGAB2

GO:0008284

positive regulation of cell proliferation

19172738

TgeneCERS6

GO:0046513

ceramide biosynthetic process

17609214|17977534



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/chr11:78128691/chr2:169547543)
- 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 GAB2 (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 CERS6 (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)
ENST00000361507GAB2chr1178128691-ENST00000305747CERS6chr2169547543+632316120850276
ENST00000361507GAB2chr1178128691-ENST00000392687CERS6chr2169547543+634716120874284

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
ENST00000361507ENST00000305747GAB2chr1178128691-CERS6chr2169547543+0.010188540.9898115
ENST00000361507ENST00000392687GAB2chr1178128691-CERS6chr2169547543+0.0112841690.9887158

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 GAB2-CERS6

check button +/-13 AA sequence from the breakpoints of the fusion protein sequences.
HgeneHchrHbpTgeneTchrTbpLength(fusion protein)BP in fusion proteinPeptide
GAB2chr1178128691CERS6chr216954754316147LRKSPPEKKLRRYTPWLWNTRHCWYN

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Potential FusionNeoAntigen Information of GAB2-CERS6 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.
GAB2-CERS6_78128691_169547543.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)
GAB2-CERS6chr1178128691chr2169547543161HLA-B27:02RRYTPWLW0.99970.67291018
GAB2-CERS6chr1178128691chr2169547543161HLA-B27:05RRYTPWLW0.99970.84591018
GAB2-CERS6chr1178128691chr2169547543161HLA-B27:04RRYTPWLW0.99940.77071018
GAB2-CERS6chr1178128691chr2169547543161HLA-A68:24YTPWLWNTR0.9750.98681221
GAB2-CERS6chr1178128691chr2169547543161HLA-B27:02LRRYTPWLW0.97350.8033918
GAB2-CERS6chr1178128691chr2169547543161HLA-A33:01YTPWLWNTR0.96660.97171221
GAB2-CERS6chr1178128691chr2169547543161HLA-A33:05YTPWLWNTR0.96660.97171221
GAB2-CERS6chr1178128691chr2169547543161HLA-A68:03YTPWLWNTR0.96490.98421221
GAB2-CERS6chr1178128691chr2169547543161HLA-A68:05YTPWLWNTR0.94450.98331221
GAB2-CERS6chr1178128691chr2169547543161HLA-A68:08YTPWLWNTR0.94350.97961221
GAB2-CERS6chr1178128691chr2169547543161HLA-A66:01YTPWLWNTR0.92270.9771221
GAB2-CERS6chr1178128691chr2169547543161HLA-A68:06YTPWLWNTR0.86830.98221221
GAB2-CERS6chr1178128691chr2169547543161HLA-A31:02YTPWLWNTR0.84940.99231221
GAB2-CERS6chr1178128691chr2169547543161HLA-A34:01YTPWLWNTR0.74070.98651221
GAB2-CERS6chr1178128691chr2169547543161HLA-A34:05YTPWLWNTR0.74070.98651221
GAB2-CERS6chr1178128691chr2169547543161HLA-A26:03YTPWLWNTR0.68380.97541221
GAB2-CERS6chr1178128691chr2169547543161HLA-A66:03YTPWLWNTR0.4940.9481221
GAB2-CERS6chr1178128691chr2169547543161HLA-B57:01KLRRYTPWLW0.99820.9872818
GAB2-CERS6chr1178128691chr2169547543161HLA-A31:02RYTPWLWNTR0.98350.98441121
GAB2-CERS6chr1178128691chr2169547543161HLA-A32:13KLRRYTPWLW0.90160.9767818
GAB2-CERS6chr1178128691chr2169547543161HLA-A31:06RYTPWLWNTR0.85720.97751121
GAB2-CERS6chr1178128691chr2169547543161HLA-B27:02KLRRYTPWLW0.84440.7869818
GAB2-CERS6chr1178128691chr2169547543161HLA-B27:05RRYTPWLWNTR10.86631021
GAB2-CERS6chr1178128691chr2169547543161HLA-B27:02RRYTPWLWNTR10.72571021
GAB2-CERS6chr1178128691chr2169547543161HLA-B27:04RRYTPWLWNTR0.99990.86261021
GAB2-CERS6chr1178128691chr2169547543161HLA-B27:03RRYTPWLW0.99710.85491018
GAB2-CERS6chr1178128691chr2169547543161HLA-A68:01YTPWLWNTR0.9750.98681221
GAB2-CERS6chr1178128691chr2169547543161HLA-A33:03YTPWLWNTR0.95570.95851221
GAB2-CERS6chr1178128691chr2169547543161HLA-B27:14RRYTPWLWNT0.99880.87631020
GAB2-CERS6chr1178128691chr2169547543161HLA-A31:01RYTPWLWNTR0.98980.98061121
GAB2-CERS6chr1178128691chr2169547543161HLA-B27:03RRYTPWLWNT0.97980.88621020
GAB2-CERS6chr1178128691chr2169547543161HLA-B27:14RRYTPWLWNTR10.88371021
GAB2-CERS6chr1178128691chr2169547543161HLA-B27:03RRYTPWLWNTR0.99870.87711021
GAB2-CERS6chr1178128691chr2169547543161HLA-B27:10RRYTPWLW0.99930.84431018
GAB2-CERS6chr1178128691chr2169547543161HLA-A66:02YTPWLWNTR0.51720.94391221
GAB2-CERS6chr1178128691chr2169547543161HLA-B57:10KLRRYTPWLW0.99820.9872818
GAB2-CERS6chr1178128691chr2169547543161HLA-B27:10RRYTPWLWNT0.9980.90281020
GAB2-CERS6chr1178128691chr2169547543161HLA-A32:01KLRRYTPWLW0.97820.9721818
GAB2-CERS6chr1178128691chr2169547543161HLA-B27:08RRYTPWLWNTR10.8221021
GAB2-CERS6chr1178128691chr2169547543161HLA-B27:10RRYTPWLWNTR0.99990.90811021

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Potential FusionNeoAntigen Information of GAB2-CERS6 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.

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)

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Fusion breakpoint peptide structures of GAB2-CERS6

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
1838EKKLRRYTPWLWNTGAB2CERS6chr1178128691chr2169547543161

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Filtering FusionNeoAntigens Through Checking the Interaction with HLAs in 3D of GAB2-CERS6

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-B14:023BVN1838EKKLRRYTPWLWNT-6.12283-6.12283
HLA-A24:025HGA1838EKKLRRYTPWLWNT-7.36995-7.36995

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Vaccine Design for the FusionNeoAntigens of GAB2-CERS6

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
GAB2-CERS6chr1178128691chr21695475431018RRYTPWLWAGGCGCTATACCCCCTGGTTGTGG
GAB2-CERS6chr1178128691chr21695475431020RRYTPWLWNTAGGCGCTATACCCCCTGGTTGTGGAATACG
GAB2-CERS6chr1178128691chr21695475431021RRYTPWLWNTRAGGCGCTATACCCCCTGGTTGTGGAATACGAGG
GAB2-CERS6chr1178128691chr21695475431121RYTPWLWNTRCGCTATACCCCCTGGTTGTGGAATACGAGG
GAB2-CERS6chr1178128691chr21695475431221YTPWLWNTRTATACCCCCTGGTTGTGGAATACGAGG
GAB2-CERS6chr1178128691chr2169547543818KLRRYTPWLWAAGTTGAGGCGCTATACCCCCTGGTTGTGG
GAB2-CERS6chr1178128691chr2169547543918LRRYTPWLWTTGAGGCGCTATACCCCCTGGTTGTGG

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

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Information of the samples that have these potential fusion neoantigens of GAB2-CERS6

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
SKCMGAB2-CERS6chr1178128691ENST00000361507chr2169547543ENST00000305747TCGA-EE-A2M6

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Potential target of CAR-T therapy development for GAB2-CERS6

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
TgeneCERS6chr11:78128691chr2:169547543ENST00000305747310178_1980385.0TransmembraneHelical
TgeneCERS6chr11:78128691chr2:169547543ENST00000305747310205_2250385.0TransmembraneHelical
TgeneCERS6chr11:78128691chr2:169547543ENST00000305747310263_2830385.0TransmembraneHelical
TgeneCERS6chr11:78128691chr2:169547543ENST00000305747310303_3230385.0TransmembraneHelical
TgeneCERS6chr11:78128691chr2:169547543ENST00000392687311178_1980393.0TransmembraneHelical
TgeneCERS6chr11:78128691chr2:169547543ENST00000392687311205_2250393.0TransmembraneHelical
TgeneCERS6chr11:78128691chr2:169547543ENST00000392687311263_2830393.0TransmembraneHelical
TgeneCERS6chr11:78128691chr2:169547543ENST00000392687311303_3230393.0TransmembraneHelical

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 GAB2-CERS6

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 GAB2-CERS6

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