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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:CHSY3-SKP1

Fusion Gene and Fusion Protein Summary

check button Fusion gene summary
Fusion partner gene informationFusion gene name: CHSY3-SKP1
FusionPDB ID: 16741
FusionGDB2.0 ID: 16741
HgeneTgene
Gene symbol

CHSY3

SKP1

Gene ID

337876

6500

Gene namechondroitin sulfate synthase 3S-phase kinase associated protein 1
SynonymsCHSY2|CSS3EMC19|OCP-II|OCP2|SKP1A|TCEB1L|p19A
Cytomap

5q23.3

5q31.1

Type of geneprotein-codingprotein-coding
Descriptionchondroitin sulfate synthase 3N-acetylgalactosaminyl-proteoglycan 3-beta-glucuronosyltransferase 3N-acetylgalactosaminyltransferase 3carbohydrate synthase 2chSy-2chondroitin glucuronyltransferase 3chondroitin synthase-2glucuronosyl-N-acetylgalactosS-phase kinase-associated protein 1OCP-2RNA polymerase II elongation factor-like protein OCP2SIIIcyclin A/CDK2-associated p19cyclin-A/CDK2-associated protein p19organ of Corti protein 2organ of Corti protein IIp19skp1transcription elongation fact
Modification date2020031320200327
UniProtAcc

Q70JA7

Main function of 5'-partner protein: FUNCTION: Has both beta-1,3-glucuronic acid and beta-1,4-N-acetylgalactosamine transferase activity. Transfers glucuronic acid (GlcUA) from UDP-GlcUA and N-acetylgalactosamine (GalNAc) from UDP-GalNAc to the non-reducing end of the elongating chondroitin polymer. Specific activity is much reduced compared to CHSY1. {ECO:0000269|PubMed:12907687}.
.
Ensembl transtripts involved in fusion geneENST idsENST00000507545, ENST00000305031, 
ENST00000353411, ENST00000517625, 
ENST00000521216, ENST00000522552, 
ENST00000522855, 
Fusion gene scores for assessment (based on all fusion genes of FusionGDB 2.0)* DoF score9 X 6 X 5=27016 X 9 X 7=1008
# samples 1017
** MAII scorelog2(10/270*10)=-1.43295940727611
possibly effective Gene in Pan-Cancer Fusion Genes (peGinPCFGs).
DoF>8 and MAII<0
log2(17/1008*10)=-2.56788898736222
possibly effective Gene in Pan-Cancer Fusion Genes (peGinPCFGs).
DoF>8 and MAII<0
Fusion gene context

PubMed: CHSY3 [Title/Abstract] AND SKP1 [Title/Abstract] AND fusion [Title/Abstract]

Fusion neoantigen context

PubMed: CHSY3 [Title/Abstract] AND SKP1 [Title/Abstract] AND neoantigen [Title/Abstract]

Most frequent breakpoint (based on all fusion genes of FusionGDB 2.0)CHSY3(129244053)-SKP1(133509713), # samples:1
Anticipated loss of major functional domain due to fusion event.CHSY3-SKP1 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.
CHSY3-SKP1 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.
CHSY3-SKP1 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.
CHSY3-SKP1 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
TgeneSKP1

GO:0016567

protein ubiquitination

15103331

TgeneSKP1

GO:0031146

SCF-dependent proteasomal ubiquitin-dependent protein catabolic process

15103331|20347421

TgeneSKP1

GO:0035518

histone H2A monoubiquitination

16943429



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/chr5:129244053/chr5:133509713)
- 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 CHSY3 (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 SKP1 (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)
ENST00000305031CHSY3chr5129244053+ENST00000353411SKP1chr5133509713-1072714443581935525
ENST00000305031CHSY3chr5129244053+ENST00000522552SKP1chr5133509713-301714443581926522
ENST00000305031CHSY3chr5129244053+ENST00000521216SKP1chr5133509713-227714443581935525
ENST00000305031CHSY3chr5129244053+ENST00000517625SKP1chr5133509713-216114443581935525
ENST00000305031CHSY3chr5129244053+ENST00000522855SKP1chr5133509713-209714443581935525

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
ENST00000305031ENST00000353411CHSY3chr5129244053+SKP1chr5133509713-0.0001449310.99985504
ENST00000305031ENST00000522552CHSY3chr5129244053+SKP1chr5133509713-0.0010360460.99896395
ENST00000305031ENST00000521216CHSY3chr5129244053+SKP1chr5133509713-0.0027111790.9972888
ENST00000305031ENST00000517625CHSY3chr5129244053+SKP1chr5133509713-0.0041388080.99586123
ENST00000305031ENST00000522855CHSY3chr5129244053+SKP1chr5133509713-0.004615370.99538463

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 CHSY3-SKP1

check button +/-13 AA sequence from the breakpoints of the fusion protein sequences.
HgeneHchrHbpTgeneTchrTbpLength(fusion protein)BP in fusion proteinPeptide
CHSY3chr5129244053SKP1chr51335097131444362RRFGGTQCVWSYEMPSIKLQSSDGEI

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Potential FusionNeoAntigen Information of CHSY3-SKP1 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.
CHSY3-SKP1_129244053_133509713.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)
CHSY3-SKP1chr5129244053chr51335097131444HLA-B18:01YEMPSIKL0.99910.88611119
CHSY3-SKP1chr5129244053chr51335097131444HLA-B47:01YEMPSIKL0.99820.51341119
CHSY3-SKP1chr5129244053chr51335097131444HLA-B52:01WSYEMPSI0.98290.8301917
CHSY3-SKP1chr5129244053chr51335097131444HLA-B39:13YEMPSIKL0.93610.78591119
CHSY3-SKP1chr5129244053chr51335097131444HLA-B15:37YEMPSIKL0.84640.56121119
CHSY3-SKP1chr5129244053chr51335097131444HLA-B52:01YEMPSIKL0.83620.59241119
CHSY3-SKP1chr5129244053chr51335097131444HLA-B41:01YEMPSIKL0.80830.87271119
CHSY3-SKP1chr5129244053chr51335097131444HLA-B40:06YEMPSIKL0.99990.5241119
CHSY3-SKP1chr5129244053chr51335097131444HLA-B39:08YEMPSIKL0.97250.6921119
CHSY3-SKP1chr5129244053chr51335097131444HLA-B39:05YEMPSIKL0.9270.83641119
CHSY3-SKP1chr5129244053chr51335097131444HLA-C04:07SYEMPSIKL0.85930.74031019
CHSY3-SKP1chr5129244053chr51335097131444HLA-C04:10SYEMPSIKL0.85580.74311019
CHSY3-SKP1chr5129244053chr51335097131444HLA-C07:13SYEMPSIKL0.82640.95031019
CHSY3-SKP1chr5129244053chr51335097131444HLA-C07:29SYEMPSIKL0.82560.97671019
CHSY3-SKP1chr5129244053chr51335097131444HLA-C07:05SYEMPSIKL0.78090.97721019
CHSY3-SKP1chr5129244053chr51335097131444HLA-C07:27SYEMPSIKL0.77260.97411019
CHSY3-SKP1chr5129244053chr51335097131444HLA-C07:10SYEMPSIKL0.69110.96381019
CHSY3-SKP1chr5129244053chr51335097131444HLA-B39:09SYEMPSIKL0.68720.59341019
CHSY3-SKP1chr5129244053chr51335097131444HLA-C07:67SYEMPSIKL0.65650.961019
CHSY3-SKP1chr5129244053chr51335097131444HLA-C07:80SYEMPSIKL0.65650.961019
CHSY3-SKP1chr5129244053chr51335097131444HLA-C07:46SYEMPSIKL0.60530.89661019
CHSY3-SKP1chr5129244053chr51335097131444HLA-C07:19SYEMPSIKL0.58880.75181019
CHSY3-SKP1chr5129244053chr51335097131444HLA-B39:12SYEMPSIKL0.51730.95591019
CHSY3-SKP1chr5129244053chr51335097131444HLA-C01:30SYEMPSIKL0.47420.97251019
CHSY3-SKP1chr5129244053chr51335097131444HLA-C04:14SYEMPSIKL0.45220.75431019
CHSY3-SKP1chr5129244053chr51335097131444HLA-B14:03SYEMPSIKL0.38060.85351019
CHSY3-SKP1chr5129244053chr51335097131444HLA-B40:04YEMPSIKL0.99970.50691119
CHSY3-SKP1chr5129244053chr51335097131444HLA-B18:07YEMPSIKL0.99920.87461119
CHSY3-SKP1chr5129244053chr51335097131444HLA-B18:05YEMPSIKL0.99910.88611119
CHSY3-SKP1chr5129244053chr51335097131444HLA-B18:08YEMPSIKL0.99910.80561119
CHSY3-SKP1chr5129244053chr51335097131444HLA-B18:04YEMPSIKL0.9990.90371119
CHSY3-SKP1chr5129244053chr51335097131444HLA-B18:06YEMPSIKL0.99890.8861119
CHSY3-SKP1chr5129244053chr51335097131444HLA-B18:03YEMPSIKL0.99860.87881119
CHSY3-SKP1chr5129244053chr51335097131444HLA-B18:11YEMPSIKL0.99610.80261119
CHSY3-SKP1chr5129244053chr51335097131444HLA-B39:11YEMPSIKL0.97020.71191119
CHSY3-SKP1chr5129244053chr51335097131444HLA-B39:31YEMPSIKL0.95020.85561119
CHSY3-SKP1chr5129244053chr51335097131444HLA-B39:02YEMPSIKL0.93020.79791119
CHSY3-SKP1chr5129244053chr51335097131444HLA-B18:06YEMPSIKLQ0.92040.82521120
CHSY3-SKP1chr5129244053chr51335097131444HLA-C04:03SYEMPSIKL0.87580.78961019
CHSY3-SKP1chr5129244053chr51335097131444HLA-C04:01SYEMPSIKL0.85930.74031019
CHSY3-SKP1chr5129244053chr51335097131444HLA-C18:01SYEMPSIKL0.83770.75461019
CHSY3-SKP1chr5129244053chr51335097131444HLA-C01:03SYEMPSIKL0.82110.90731019
CHSY3-SKP1chr5129244053chr51335097131444HLA-C03:67SYEMPSIKL0.68010.98971019
CHSY3-SKP1chr5129244053chr51335097131444HLA-C07:02SYEMPSIKL0.65650.961019
CHSY3-SKP1chr5129244053chr51335097131444HLA-B18:11YEMPSIKLQ0.64210.70941120
CHSY3-SKP1chr5129244053chr51335097131444HLA-C07:17SYEMPSIKL0.64010.97931019
CHSY3-SKP1chr5129244053chr51335097131444HLA-C04:04SYEMPSIKL0.53930.8461019
CHSY3-SKP1chr5129244053chr51335097131444HLA-C14:03SYEMPSIKL0.53030.96911019
CHSY3-SKP1chr5129244053chr51335097131444HLA-C14:02SYEMPSIKL0.53030.96911019
CHSY3-SKP1chr5129244053chr51335097131444HLA-B39:11SYEMPSIKL0.43780.8191019
CHSY3-SKP1chr5129244053chr51335097131444HLA-C06:06SYEMPSIKL0.41860.99271019
CHSY3-SKP1chr5129244053chr51335097131444HLA-C07:04SYEMPSIKL0.26030.92581019

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Potential FusionNeoAntigen Information of CHSY3-SKP1 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 CHSY3-SKP1

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
7173QCVWSYEMPSIKLQCHSY3SKP1chr5129244053chr51335097131444

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Filtering FusionNeoAntigens Through Checking the Interaction with HLAs in 3D of CHSY3-SKP1

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-B14:023BVN7173QCVWSYEMPSIKLQ-7.9962-8.1096
HLA-B14:023BVN7173QCVWSYEMPSIKLQ-5.70842-6.74372
HLA-B52:013W397173QCVWSYEMPSIKLQ-6.83737-6.95077
HLA-B52:013W397173QCVWSYEMPSIKLQ-4.4836-5.5189
HLA-A11:014UQ27173QCVWSYEMPSIKLQ-10.0067-10.1201
HLA-A11:014UQ27173QCVWSYEMPSIKLQ-9.03915-10.0745
HLA-A24:025HGA7173QCVWSYEMPSIKLQ-6.56204-6.67544
HLA-A24:025HGA7173QCVWSYEMPSIKLQ-5.42271-6.45801
HLA-B44:053DX87173QCVWSYEMPSIKLQ-7.85648-8.89178
HLA-B44:053DX87173QCVWSYEMPSIKLQ-5.3978-5.5112
HLA-A02:016TDR7173QCVWSYEMPSIKLQ-3.37154-4.40684

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Vaccine Design for the FusionNeoAntigens of CHSY3-SKP1

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
CHSY3-SKP1chr5129244053chr51335097131019SYEMPSIKLTCTTACGAGATGCCTTCAATTAAGTTG
CHSY3-SKP1chr5129244053chr51335097131119YEMPSIKLTACGAGATGCCTTCAATTAAGTTG
CHSY3-SKP1chr5129244053chr51335097131120YEMPSIKLQTACGAGATGCCTTCAATTAAGTTGCAG
CHSY3-SKP1chr5129244053chr5133509713917WSYEMPSITGGTCTTACGAGATGCCTTCAATT

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 CHSY3-SKP1

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
SARCCHSY3-SKP1chr5129244053ENST00000305031chr5133509713ENST00000353411TCGA-KD-A5QS-01A

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Potential target of CAR-T therapy development for CHSY3-SKP1

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
HgeneCHSY3chr5:129244053chr5:133509713ENST00000305031+238_28362883.0TransmembraneHelical%3B Signal-anchor for type II membrane protein

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 CHSY3-SKP1

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 CHSY3-SKP1

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