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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:SAFB2-KHSRP

Fusion Gene and Fusion Protein Summary

check button Fusion gene summary
Fusion partner gene informationFusion gene name: SAFB2-KHSRP
FusionPDB ID: 79026
FusionGDB2.0 ID: 79026
HgeneTgene
Gene symbol

SAFB2

KHSRP

Gene ID

9667

8570

Gene namescaffold attachment factor B2KH-type splicing regulatory protein
Synonyms-FBP2|FUBP2|KSRP|p75
Cytomap

19p13.3

19p13.3

Type of geneprotein-codingprotein-coding
Descriptionscaffold attachment factor B2far upstream element-binding protein 2FUSE-binding protein 2epididymis secretory sperm binding protein
Modification date2020031320200329
UniProtAcc.

Q92945

Main function of 5'-partner protein: FUNCTION: Binds to the dendritic targeting element and may play a role in mRNA trafficking (By similarity). Part of a ternary complex that binds to the downstream control sequence (DCS) of the pre-mRNA. Mediates exon inclusion in transcripts that are subject to tissue-specific alternative splicing. May interact with single-stranded DNA from the far-upstream element (FUSE). May activate gene expression. Also involved in degradation of inherently unstable mRNAs that contain AU-rich elements (AREs) in their 3'-UTR, possibly by recruiting degradation machinery to ARE-containing mRNAs. {ECO:0000250, ECO:0000269|PubMed:11003644, ECO:0000269|PubMed:8940189, ECO:0000269|PubMed:9136930}.
Ensembl transtripts involved in fusion geneENST idsENST00000252542, ENST00000591310, 
ENST00000398148, 
Fusion gene scores for assessment (based on all fusion genes of FusionGDB 2.0)* DoF score8 X 9 X 6=4324 X 4 X 3=48
# samples 104
** MAII scorelog2(10/432*10)=-2.11103131238874
possibly effective Gene in Pan-Cancer Fusion Genes (peGinPCFGs).
DoF>8 and MAII<0
log2(4/48*10)=-0.263034405833794
possibly effective Gene in Pan-Cancer Fusion Genes (peGinPCFGs).
DoF>8 and MAII<0
Fusion gene context

PubMed: SAFB2 [Title/Abstract] AND KHSRP [Title/Abstract] AND fusion [Title/Abstract]

Fusion neoantigen context

PubMed: SAFB2 [Title/Abstract] AND KHSRP [Title/Abstract] AND neoantigen [Title/Abstract]

Most frequent breakpoint (based on all fusion genes of FusionGDB 2.0)SAFB2(5616143)-KHSRP(6418090), # samples:2
Anticipated loss of major functional domain due to fusion event.SAFB2-KHSRP 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.
SAFB2-KHSRP 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.
SAFB2-KHSRP 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.
SAFB2-KHSRP 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
TgeneKHSRP

GO:0043488

regulation of mRNA stability

16126846

TgeneKHSRP

GO:0045019

negative regulation of nitric oxide biosynthetic process

16126846

TgeneKHSRP

GO:0061014

positive regulation of mRNA catabolic process

16126846

TgeneKHSRP

GO:0061158

3'-UTR-mediated mRNA destabilization

16126846



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/chr19:5616143/chr19:6418090)
- 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 SAFB2 (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 KHSRP (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)
ENST00000252542SAFB2chr195616143-ENST00000398148KHSRPchr196418090-28298082652064599

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
ENST00000252542ENST00000398148SAFB2chr195616143-KHSRPchr196418090-0.0044643060.99553573

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 SAFB2-KHSRP

check button +/-13 AA sequence from the breakpoints of the fusion protein sequences.
HgeneHchrHbpTgeneTchrTbpLength(fusion protein)BP in fusion proteinPeptide
SAFB2chr195616143KHSRPchr196418090808181QLRQLPAQPPEHAQACEMVMDILRER

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Potential FusionNeoAntigen Information of SAFB2-KHSRP 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.
SAFB2-KHSRP_5616143_6418090.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)
SAFB2-KHSRPchr195616143chr196418090808HLA-B39:01EHAQACEM0.99880.89841018
SAFB2-KHSRPchr195616143chr196418090808HLA-B38:02EHAQACEM0.99830.96671018
SAFB2-KHSRPchr195616143chr196418090808HLA-B15:10EHAQACEM0.9950.55191018
SAFB2-KHSRPchr195616143chr196418090808HLA-B15:37EHAQACEM0.97660.6251018
SAFB2-KHSRPchr195616143chr196418090808HLA-B39:01EHAQACEMV0.99630.9371019
SAFB2-KHSRPchr195616143chr196418090808HLA-B38:02EHAQACEMV0.99480.9791019
SAFB2-KHSRPchr195616143chr196418090808HLA-B38:01EHAQACEMV0.99430.97831019
SAFB2-KHSRPchr195616143chr196418090808HLA-B39:06EHAQACEMV0.9930.94621019
SAFB2-KHSRPchr195616143chr196418090808HLA-B35:03HAQACEMVM0.95880.96121120
SAFB2-KHSRPchr195616143chr196418090808HLA-B35:04HAQACEMVM0.81750.97981120
SAFB2-KHSRPchr195616143chr196418090808HLA-B35:02HAQACEMVM0.81750.97981120
SAFB2-KHSRPchr195616143chr196418090808HLA-B08:09QPPEHAQAC0.05820.8273716
SAFB2-KHSRPchr195616143chr196418090808HLA-B39:01EHAQACEMVM0.99610.94391020
SAFB2-KHSRPchr195616143chr196418090808HLA-B38:02EHAQACEMVM0.99370.98711020
SAFB2-KHSRPchr195616143chr196418090808HLA-B38:01EHAQACEMVM0.99180.98561020
SAFB2-KHSRPchr195616143chr196418090808HLA-B39:24EHAQACEMVM0.98660.80541020
SAFB2-KHSRPchr195616143chr196418090808HLA-B15:10EHAQACEMVM0.95030.56631020
SAFB2-KHSRPchr195616143chr196418090808HLA-B15:37EHAQACEMVM0.8690.6891020
SAFB2-KHSRPchr195616143chr196418090808HLA-B15:18EHAQACEMVM0.79120.75351020
SAFB2-KHSRPchr195616143chr196418090808HLA-B56:01LPAQPPEHAQA0.99630.9296415
SAFB2-KHSRPchr195616143chr196418090808HLA-B55:01LPAQPPEHAQA0.99180.8942415
SAFB2-KHSRPchr195616143chr196418090808HLA-B82:01QPPEHAQACEM0.72450.6999718
SAFB2-KHSRPchr195616143chr196418090808HLA-B39:05EHAQACEM0.99770.87081018
SAFB2-KHSRPchr195616143chr196418090808HLA-B39:05EHAQACEMV0.99370.91781019
SAFB2-KHSRPchr195616143chr196418090808HLA-B35:12HAQACEMVM0.81750.97981120
SAFB2-KHSRPchr195616143chr196418090808HLA-B78:01QPPEHAQAC0.11470.5228716
SAFB2-KHSRPchr195616143chr196418090808HLA-B39:09EHAQACEMVM0.99550.91020
SAFB2-KHSRPchr195616143chr196418090808HLA-B39:05EHAQACEMVM0.99220.92491020
SAFB2-KHSRPchr195616143chr196418090808HLA-B54:01LPAQPPEHAQA0.99930.9716415
SAFB2-KHSRPchr195616143chr196418090808HLA-B15:09EHAQACEM0.990.72181018
SAFB2-KHSRPchr195616143chr196418090808HLA-B39:11EHAQACEM0.92170.76141018
SAFB2-KHSRPchr195616143chr196418090808HLA-B39:31EHAQACEMV0.99630.93691019
SAFB2-KHSRPchr195616143chr196418090808HLA-B38:05EHAQACEMV0.99430.97831019
SAFB2-KHSRPchr195616143chr196418090808HLA-B35:13HAQACEMVM0.95030.96411120
SAFB2-KHSRPchr195616143chr196418090808HLA-B15:09EHAQACEMV0.93660.87071019
SAFB2-KHSRPchr195616143chr196418090808HLA-B35:09HAQACEMVM0.81750.97981120
SAFB2-KHSRPchr195616143chr196418090808HLA-B39:11EHAQACEMV0.70030.78361019
SAFB2-KHSRPchr195616143chr196418090808HLA-B78:02QPPEHAQAC0.07850.6478716
SAFB2-KHSRPchr195616143chr196418090808HLA-B39:31EHAQACEMVM0.99670.94441020
SAFB2-KHSRPchr195616143chr196418090808HLA-B38:05EHAQACEMVM0.99180.98561020
SAFB2-KHSRPchr195616143chr196418090808HLA-B15:09EHAQACEMVM0.93350.78051020
SAFB2-KHSRPchr195616143chr196418090808HLA-B39:11EHAQACEMVM0.88480.83651020
SAFB2-KHSRPchr195616143chr196418090808HLA-B55:02LPAQPPEHAQA0.99680.9357415
SAFB2-KHSRPchr195616143chr196418090808HLA-B56:05LPAQPPEHAQA0.97410.9258415
SAFB2-KHSRPchr195616143chr196418090808HLA-B82:02QPPEHAQACEM0.72450.6999718

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Potential FusionNeoAntigen Information of SAFB2-KHSRP 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 SAFB2-KHSRP

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
527AQPPEHAQACEMVMSAFB2KHSRPchr195616143chr196418090808

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Filtering FusionNeoAntigens Through Checking the Interaction with HLAs in 3D of SAFB2-KHSRP

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-B14:023BVN527AQPPEHAQACEMVM-7.9962-8.1096
HLA-B14:023BVN527AQPPEHAQACEMVM-5.70842-6.74372
HLA-B52:013W39527AQPPEHAQACEMVM-6.83737-6.95077
HLA-B52:013W39527AQPPEHAQACEMVM-4.4836-5.5189
HLA-A11:014UQ2527AQPPEHAQACEMVM-10.0067-10.1201
HLA-A11:014UQ2527AQPPEHAQACEMVM-9.03915-10.0745
HLA-A24:025HGA527AQPPEHAQACEMVM-6.56204-6.67544
HLA-A24:025HGA527AQPPEHAQACEMVM-5.42271-6.45801
HLA-B44:053DX8527AQPPEHAQACEMVM-7.85648-8.89178
HLA-B44:053DX8527AQPPEHAQACEMVM-5.3978-5.5112
HLA-A02:016TDR527AQPPEHAQACEMVM-3.37154-4.40684

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Vaccine Design for the FusionNeoAntigens of SAFB2-KHSRP

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
SAFB2-KHSRPchr195616143chr1964180901018EHAQACEMGAGCATGCTCAAGCCTGTGAGATG
SAFB2-KHSRPchr195616143chr1964180901019EHAQACEMVGAGCATGCTCAAGCCTGTGAGATGGTG
SAFB2-KHSRPchr195616143chr1964180901020EHAQACEMVMGAGCATGCTCAAGCCTGTGAGATGGTGATG
SAFB2-KHSRPchr195616143chr1964180901120HAQACEMVMCATGCTCAAGCCTGTGAGATGGTGATG
SAFB2-KHSRPchr195616143chr196418090415LPAQPPEHAQACTCCCGGCTCAGCCCCCAGAGCATGCTCAAGCC
SAFB2-KHSRPchr195616143chr196418090716QPPEHAQACCAGCCCCCAGAGCATGCTCAAGCCTGT
SAFB2-KHSRPchr195616143chr196418090718QPPEHAQACEMCAGCCCCCAGAGCATGCTCAAGCCTGTGAGATG

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 SAFB2-KHSRP

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
PRADSAFB2-KHSRPchr195616143ENST00000252542chr196418090ENST00000398148TCGA-EJ-5515-01A

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Potential target of CAR-T therapy development for SAFB2-KHSRP

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 SAFB2-KHSRP

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 SAFB2-KHSRP

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