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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:CHST11-RFX4

Fusion Gene and Fusion Protein Summary

check button Fusion gene summary
Fusion partner gene informationFusion gene name: CHST11-RFX4
FusionPDB ID: 16690
FusionGDB2.0 ID: 16690
HgeneTgene
Gene symbol

CHST11

RFX4

Gene ID

50515

5992

Gene namecarbohydrate sulfotransferase 11regulatory factor X4
SynonymsC4ST|C4ST-1|C4ST1|HSA269537|OCBMDNYD-SP10
Cytomap

12q23.3

12q23.3

Type of geneprotein-codingprotein-coding
Descriptioncarbohydrate sulfotransferase 11C4S-1IgH/CHST11 fusioncarbohydrate (chondroitin 4) sulfotransferase 11chondroitin 4-O-sulfotransferase 1transcription factor RFX4regulatory factor X, 4 (influences HLA class II expression)testis development protein NYD-SP10winged-helix transcription factor RFX4
Modification date2020031320200313
UniProtAcc

Q9NPF2

Main function of 5'-partner protein: FUNCTION: Catalyzes the transfer of sulfate to position 4 of the N-acetylgalactosamine (GalNAc) residue of chondroitin. Chondroitin sulfate constitutes the predominant proteoglycan present in cartilage and is distributed on the surfaces of many cells and extracellular matrices. Can also sulfate Gal residues in desulfated dermatan sulfate. Preferentially sulfates in GlcA->GalNAc unit than in IdoA->GalNAc unit. Does not form 4, 6-di-O-sulfated GalNAc when chondroitin sulfate C is used as an acceptor.
.
Ensembl transtripts involved in fusion geneENST idsENST00000303694, ENST00000546689, 
ENST00000547956, ENST00000549260, 
ENST00000550711, 
ENST00000229387, 
ENST00000357881, ENST00000392842, 
Fusion gene scores for assessment (based on all fusion genes of FusionGDB 2.0)* DoF score13 X 8 X 6=6247 X 7 X 5=245
# samples 1510
** MAII scorelog2(15/624*10)=-2.05658352836637
possibly effective Gene in Pan-Cancer Fusion Genes (peGinPCFGs).
DoF>8 and MAII<0
log2(10/245*10)=-1.29278174922785
possibly effective Gene in Pan-Cancer Fusion Genes (peGinPCFGs).
DoF>8 and MAII<0
Fusion gene context

PubMed: CHST11 [Title/Abstract] AND RFX4 [Title/Abstract] AND fusion [Title/Abstract]

Fusion neoantigen context

PubMed: CHST11 [Title/Abstract] AND RFX4 [Title/Abstract] AND neoantigen [Title/Abstract]

Most frequent breakpoint (based on all fusion genes of FusionGDB 2.0)CHST11(104995769)-RFX4(107075771), # samples:1
Anticipated loss of major functional domain due to fusion event.CHST11-RFX4 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.
CHST11-RFX4 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.
CHST11-RFX4 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.
CHST11-RFX4 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
HgeneCHST11

GO:0030206

chondroitin sulfate biosynthetic process

11056388

TgeneRFX4

GO:0045944

positive regulation of transcription by RNA polymerase II

16893423



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/chr12:104995769/chr12:107075771)
- 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 CHST11 (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 RFX4 (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)
ENST00000547956CHST11chr12104995769-ENST00000392842RFX4chr12107075771+40768508142742642
ENST00000547956CHST11chr12104995769-ENST00000357881RFX4chr12107075771+29338508142742642
ENST00000549260CHST11chr12104995769-ENST00000392842RFX4chr12107075771+3856630122522836
ENST00000549260CHST11chr12104995769-ENST00000357881RFX4chr12107075771+2713630122522836
ENST00000303694CHST11chr12104995769-ENST00000392842RFX4chr12107075771+3869643102535841
ENST00000303694CHST11chr12104995769-ENST00000357881RFX4chr12107075771+2726643102535841
ENST00000546689CHST11chr12104995769-ENST00000392842RFX4chr12107075771+38966707842562592
ENST00000546689CHST11chr12104995769-ENST00000357881RFX4chr12107075771+27536707842562592

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
ENST00000547956ENST00000392842CHST11chr12104995769-RFX4chr12107075771+0.0104854590.9895146
ENST00000547956ENST00000357881CHST11chr12104995769-RFX4chr12107075771+0.0299021120.9700979
ENST00000549260ENST00000392842CHST11chr12104995769-RFX4chr12107075771+0.0033167260.9966833
ENST00000549260ENST00000357881CHST11chr12104995769-RFX4chr12107075771+0.0150831940.98491675
ENST00000303694ENST00000392842CHST11chr12104995769-RFX4chr12107075771+0.0038899860.99611
ENST00000303694ENST00000357881CHST11chr12104995769-RFX4chr12107075771+0.0154895070.9845105
ENST00000546689ENST00000392842CHST11chr12104995769-RFX4chr12107075771+0.0103667780.9896332
ENST00000546689ENST00000357881CHST11chr12104995769-RFX4chr12107075771+0.0295856580.97041434

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 CHST11-RFX4

check button +/-13 AA sequence from the breakpoints of the fusion protein sequences.
HgeneHchrHbpTgeneTchrTbpLength(fusion protein)BP in fusion proteinPeptide
CHST11chr12104995769RFX4chr12107075771630205GSRSPLQELYNPIQIIRQQFPQLTTR
CHST11chr12104995769RFX4chr12107075771643210GSRSPLQELYNPIQIIRQQFPQLTTR

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Potential FusionNeoAntigen Information of CHST11-RFX4 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.
CHST11-RFX4_104995769_107075771.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)
CHST11-RFX4chr12104995769chr12107075771643HLA-B15:03IQIIRQQF0.97180.54251220
CHST11-RFX4chr12104995769chr12107075771643HLA-B45:01QELYNPIQI0.98740.9061615
CHST11-RFX4chr12104995769chr12107075771643HLA-B44:03QELYNPIQI0.98050.9689615
CHST11-RFX4chr12104995769chr12107075771643HLA-B13:01QELYNPIQI0.97260.9393615
CHST11-RFX4chr12104995769chr12107075771643HLA-B47:01QELYNPIQI0.90650.5604615
CHST11-RFX4chr12104995769chr12107075771643HLA-B41:01QELYNPIQI0.45930.9738615
CHST11-RFX4chr12104995769chr12107075771643HLA-B39:13QELYNPIQI0.41620.9534615
CHST11-RFX4chr12104995769chr12107075771643HLA-B50:01QELYNPIQI0.2640.6256615
CHST11-RFX4chr12104995769chr12107075771643HLA-B35:01NPIQIIRQQF0.97570.8611020
CHST11-RFX4chr12104995769chr12107075771643HLA-B35:08NPIQIIRQQF0.96170.60721020
CHST11-RFX4chr12104995769chr12107075771643HLA-B15:04IQIIRQQF0.98790.72861220
CHST11-RFX4chr12104995769chr12107075771643HLA-B40:06QELYNPIQI0.99850.67615
CHST11-RFX4chr12104995769chr12107075771643HLA-B39:08QELYNPIQI0.45080.9324615
CHST11-RFX4chr12104995769chr12107075771643HLA-B15:27IQIIRQQF0.99570.76291220
CHST11-RFX4chr12104995769chr12107075771643HLA-B15:24IQIIRQQF0.99520.7251220
CHST11-RFX4chr12104995769chr12107075771643HLA-B15:54IQIIRQQF0.99470.6731220
CHST11-RFX4chr12104995769chr12107075771643HLA-B15:50IQIIRQQF0.99390.87311220
CHST11-RFX4chr12104995769chr12107075771643HLA-B15:53IQIIRQQF0.99220.69961220
CHST11-RFX4chr12104995769chr12107075771643HLA-B15:35IQIIRQQF0.99080.68771220
CHST11-RFX4chr12104995769chr12107075771643HLA-B48:02IQIIRQQF0.85150.74641220
CHST11-RFX4chr12104995769chr12107075771643HLA-B35:28IQIIRQQF0.81110.76431220
CHST11-RFX4chr12104995769chr12107075771643HLA-B40:04QELYNPIQI0.99180.7266615
CHST11-RFX4chr12104995769chr12107075771643HLA-B44:07QELYNPIQI0.98050.9689615
CHST11-RFX4chr12104995769chr12107075771643HLA-B44:13QELYNPIQI0.98050.9689615
CHST11-RFX4chr12104995769chr12107075771643HLA-B44:26QELYNPIQI0.98050.9689615
CHST11-RFX4chr12104995769chr12107075771643HLA-A68:02ELYNPIQII0.94980.5675716
CHST11-RFX4chr12104995769chr12107075771643HLA-A69:01ELYNPIQII0.88740.5583716
CHST11-RFX4chr12104995769chr12107075771643HLA-B41:03QELYNPIQI0.63190.7851615
CHST11-RFX4chr12104995769chr12107075771643HLA-B39:02QELYNPIQI0.29790.9543615
CHST11-RFX4chr12104995769chr12107075771643HLA-B50:04QELYNPIQI0.2640.6256615
CHST11-RFX4chr12104995769chr12107075771643HLA-B50:05QELYNPIQI0.2640.6256615
CHST11-RFX4chr12104995769chr12107075771643HLA-B35:77NPIQIIRQQF0.97570.8611020
CHST11-RFX4chr12104995769chr12107075771643HLA-B35:23NPIQIIRQQF0.97370.82661020
CHST11-RFX4chr12104995769chr12107075771643HLA-B35:30NPIQIIRQQF0.97070.661020
CHST11-RFX4chr12104995769chr12107075771643HLA-B35:17NPIQIIRQQF0.97070.661020
CHST11-RFX4chr12104995769chr12107075771643HLA-B35:11NPIQIIRQQF0.95060.86241020
CHST11-RFX4chr12104995769chr12107075771643HLA-B15:08NPIQIIRQQF0.93250.77721020
CHST11-RFX4chr12104995769chr12107075771643HLA-B35:43NPIQIIRQQF0.92770.77131020
CHST11-RFX4chr12104995769chr12107075771643HLA-B15:11NPIQIIRQQF0.92680.77381020
CHST11-RFX4chr12104995769chr12107075771643HLA-B35:24NPIQIIRQQF0.87940.77411020
CHST11-RFX4chr12104995769chr12107075771643HLA-B18:07NPIQIIRQQF0.43740.7641020

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Potential FusionNeoAntigen Information of CHST11-RFX4 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.
CHST11-RFX4_104995769_107075771.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)
CHST11-RFX4chr12104995769chr12107075771643DRB1-0447QELYNPIQIIRQQFP621
CHST11-RFX4chr12104995769chr12107075771643DRB1-0454QELYNPIQIIRQQFP621

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Fusion breakpoint peptide structures of CHST11-RFX4

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
7231QELYNPIQIIRQQFCHST11RFX4chr12104995769chr12107075771643

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Filtering FusionNeoAntigens Through Checking the Interaction with HLAs in 3D of CHST11-RFX4

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-B14:023BVN7231QELYNPIQIIRQQF-6.00367-7.03897
HLA-B14:023BVN7231QELYNPIQIIRQQF-5.39279-5.50619
HLA-B52:013W397231QELYNPIQIIRQQF-6.37513-6.48853
HLA-B52:013W397231QELYNPIQIIRQQF-5.71942-6.75472
HLA-A11:014UQ27231QELYNPIQIIRQQF-11.5708-11.6842
HLA-A11:014UQ27231QELYNPIQIIRQQF-8.11091-9.14621
HLA-A24:025HGA7231QELYNPIQIIRQQF-6.75661-6.87001
HLA-A24:025HGA7231QELYNPIQIIRQQF-5.30147-6.33677
HLA-B27:056PYJ7231QELYNPIQIIRQQF-4.27108-5.30638
HLA-B44:053DX87231QELYNPIQIIRQQF-6.47731-6.59071
HLA-B44:053DX87231QELYNPIQIIRQQF-3.23433-4.26963

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Vaccine Design for the FusionNeoAntigens of CHST11-RFX4

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
CHST11-RFX4chr12104995769chr121070757711020NPIQIIRQQFCCAATCCAGATCATAAGGCAGCAGTTTCCT
CHST11-RFX4chr12104995769chr121070757711220IQIIRQQFCAGATCATAAGGCAGCAGTTTCCT
CHST11-RFX4chr12104995769chr12107075771615QELYNPIQIGAACTCTACAACCCAATCCAGATCATA
CHST11-RFX4chr12104995769chr12107075771716ELYNPIQIICTCTACAACCCAATCCAGATCATAAGG

check button mRNA and peptide sequences of FusionNeoAntigens that have potential interaction with HLA-IIs.
Fusion geneHchrHbpTchrTbpStart in +/-13AAEnd in +/-13AAFusionNeoAntigen peptideFusionNEoAntigen RNA sequence
CHST11-RFX4chr12104995769chr12107075771621QELYNPIQIIRQQFPGAACTCTACAACCCAATCCAGATCATAAGGCAGCAGTTTCCTCAG

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Information of the samples that have these potential fusion neoantigens of CHST11-RFX4

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
HNSCCHST11-RFX4chr12104995769ENST00000303694chr12107075771ENST00000357881TCGA-CV-7183-01A

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Potential target of CAR-T therapy development for CHST11-RFX4

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
HgeneCHST11chr12:104995769chr12:107075771ENST00000303694-2317_3768353.0TransmembraneHelical%3B Signal-anchor for type II membrane protein
HgeneCHST11chr12:104995769chr12:107075771ENST00000549260-2317_3763348.0TransmembraneHelical%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 CHST11-RFX4

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 CHST11-RFX4

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