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Center for Computational Systems Medicine
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Fusion Gene Summary

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Fusion Gene ORF analysis

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Fusion Genomic Features

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Fusion Protein Features

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Fusion Gene Sequence

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Fusion Gene PPI analysis

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Related Drugs

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Related Diseases

Fusion gene:LRFN1-DLL3 (FusionGDB2 ID:49659)

Fusion Gene Summary for LRFN1-DLL3

check button Fusion gene summary
Fusion gene informationFusion gene name: LRFN1-DLL3
Fusion gene ID: 49659
HgeneTgene
Gene symbol

LRFN1

DLL3

Gene ID

57622

10683

Gene nameleucine rich repeat and fibronectin type III domain containing 1delta like canonical Notch ligand 3
SynonymsSALM2SCDO1
Cytomap

19q13.2

19q13.2

Type of geneprotein-codingprotein-coding
Descriptionleucine-rich repeat and fibronectin type III domain-containing protein 1CTC-246B18.8synaptic adhesion-like molecule 2delta-like protein 3delta-like 3delta3drosophila Delta homolog 3
Modification date2020031320200313
UniProtAcc

Q9P244

Q9NYJ7

Ensembl transtripts involved in fusion geneENST00000248668, ENST00000205143, 
ENST00000600579, ENST00000356433, 
Fusion gene scores* DoF score1 X 2 X 1=23 X 4 X 2=24
# samples 24
** MAII scorelog2(2/2*10)=3.32192809488736log2(4/24*10)=0.736965594166206
effective Gene in Pan-Cancer Fusion Genes (eGinPCFGs).
DoF>8 and MAII>0
Context

PubMed: LRFN1 [Title/Abstract] AND DLL3 [Title/Abstract] AND fusion [Title/Abstract]

Most frequent breakpointLRFN1(39804571)-DLL3(39993455), # samples:3
Anticipated loss of major functional domain due to fusion event.LRFN1-DLL3 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

check buttonFusion gene breakpoints across LRFN1 (5'-gene)
* Click on the image to open the UCSC genome browser with custom track showing this image in a new window.

check buttonFusion gene breakpoints across DLL3 (3'-gene)
* Click on the image to open the UCSC genome browser with custom track showing this image in a new window.

check button Fusion gene information from two resources (ChiTars 5.0 and ChimerDB 4.0)
* All genome coordinats were lifted-over on hg19.
* Click on the break point to see the gene structure around the break point region using the UCSC Genome Browser.
SourceDiseaseSampleHgeneHchrHbpHstrandTgeneTchrTbpTstrand
ChimerDB4ESCATCGA-2H-A9GN-01ALRFN1chr19

39804571

-DLL3chr19

39993455

+
ChimerDB4ESCATCGA-2H-A9GNLRFN1chr19

39804570

-DLL3chr19

39993454

+
ChimerDB4ESCATCGA-2H-A9GNLRFN1chr19

39804571

-DLL3chr19

39993455

+


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Fusion Gene ORF analysis for LRFN1-DLL3

check button Open reading frame (ORF) analsis of fusion genes based on Ensembl gene isoform structure.
* Click on the break point to see the gene structure around the break point region using the UCSC Genome Browser.
ORFHenstTenstHgeneHchrHbpHstrandTgeneTchrTbpTstrand
5CDS-intronENST00000248668ENST00000205143LRFN1chr19

39804571

-DLL3chr19

39993455

+
5CDS-intronENST00000248668ENST00000205143LRFN1chr19

39804570

-DLL3chr19

39993454

+
5CDS-intronENST00000248668ENST00000600579LRFN1chr19

39804571

-DLL3chr19

39993455

+
5CDS-intronENST00000248668ENST00000600579LRFN1chr19

39804570

-DLL3chr19

39993454

+
Frame-shiftENST00000248668ENST00000356433LRFN1chr19

39804571

-DLL3chr19

39993455

+
Frame-shiftENST00000248668ENST00000356433LRFN1chr19

39804570

-DLL3chr19

39993454

+

check buttonORFfinder result based on the fusion transcript sequence of in-frame fusion genes.
HenstTenstHgeneHchrHbpHstrandTgeneTchrTbpTstrandSeq length
(transcript)
BP loci
(transcript)
Predicted start
(transcript)
Predicted stop
(transcript)
Seq length
(amino acids)

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

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Fusion Genomic Features for LRFN1-DLL3


check buttonFusionAI prediction of the potential fusion gene breakpoint based on the pre-mature RNA sequence context (+/- 5kb of individual partner genes, total 20kb length sequence). FusionAI is a fusion gene breakpoint classifier based on convolutional neural network by comparing the fusion positive and negative sequence context of ~ 20K fusion gene data. From here, we can have the relative potentency of the 20K genomic sequence how individual sequnce will be likely used as the gene fusion breakpoints.
HgeneHchrHbpHstrandTgeneTchrTbpTstrand1-pp (fusion gene breakpoint)
LRFN1chr1939804570-DLL3chr1939993454+0.001036540.9989635
LRFN1chr1939804570-DLL3chr1939993454+0.001036540.9989635
LRFN1chr1939804570-DLL3chr1939993454+0.001036540.9989635
LRFN1chr1939804570-DLL3chr1939993454+0.001036540.9989635

check buttonDistribution of 44 human genomic features loci across 20kb length fusion breakpoint regions. We integrated a total of 44 different types of human genomic feature loci information across five big categories including virus integration sites, repeats, structural variants, chromatin states, and gene expression regulation. More details are in help page.

check buttonDistribution of 44 human genomic features loci across 20kb length fusion breakpoint regions that are ovelapped with the top 1% feature importance score regions. More details are in help page.
genomic feature of top 1%

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Fusion Protein Features for LRFN1-DLL3


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/:39804571/:39993455)
- 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 buttonMain function of each fusion partner protein. (from UniProt)
HgeneTgene
LRFN1

Q9P244

DLL3

Q9NYJ7

FUNCTION: Promotes neurite outgrowth in hippocampal neurons. Involved in the regulation and maintenance of excitatory synapses. Induces the clustering of excitatory postsynaptic proteins, including DLG4, DLGAP1, GRIA1 and GRIN1 (By similarity). {ECO:0000250}.FUNCTION: Inhibits primary neurogenesis. May be required to divert neurons along a specific differentiation pathway. Plays a role in the formation of somite boundaries during segmentation of the paraxial mesoderm (By similarity). {ECO:0000250}.

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, because of limited space for viewing, we only show the protein feature retention information belong to the 13 regional features. All retention annotation result can be downloaded at

download page


* Minus value of BPloci means that the break pointn is located before the CDS.
- In-frame and retained protein feature among the 13 regional features.
PartnerGeneHbpTbpENSTStrandBPexonTotalExonProtein feature loci*BPlociTotalLenProtein featureProtein feature note

- In-frame and not-retained protein feature among the 13 regional features.
PartnerGeneHbpTbpENSTStrandBPexonTotalExonProtein feature loci*BPlociTotalLenProtein featureProtein feature note


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Fusion Gene Sequence for LRFN1-DLL3


check button For in-frame fusion transcripts, we provide the fusion transcript sequences and fusion amino acid sequences. To have fusion amino acid sequence, we ran ORFfinder and chose the longest ORF among the all predicted ones.

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Fusion Gene PPI Analysis for LRFN1-DLL3


check button Go to ChiPPI (Chimeric Protein-Protein interactions) to see the chimeric PPI interaction in

ChiPPI page.


check button Protein-protein interactors with each fusion partner protein in wild-type (BIOGRID-3.4.160)
HgeneHgene's interactorsTgeneTgene's interactors


check button - Retained PPIs in in-frame fusion.
PartnerGeneHbpTbpENSTStrandBPexonTotalExonProtein feature loci*BPlociTotalLenStill interaction with


check button - Lost PPIs in in-frame fusion.
PartnerGeneHbpTbpENSTStrandBPexonTotalExonProtein feature loci*BPlociTotalLenInteraction lost with


check button - Retained PPIs, but lost function due to frame-shift fusion.
PartnerGeneHbpTbpENSTStrandBPexonTotalExonProtein feature loci*BPlociTotalLenInteraction lost with


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Related Drugs for LRFN1-DLL3


check button Drugs targeting genes involved in this fusion gene.
(DrugBank Version 5.1.8 2021-05-08)
PartnerGeneUniProtAccDrugBank IDDrug nameDrug activityDrug typeDrug status

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Related Diseases for LRFN1-DLL3


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