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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:TTLL5-APOE (FusionGDB2 ID:95173)

Fusion Gene Summary for TTLL5-APOE

check button Fusion gene summary
Fusion gene informationFusion gene name: TTLL5-APOE
Fusion gene ID: 95173
HgeneTgene
Gene symbol

TTLL5

APOE

Gene ID

254173

348

Gene nametubulin tyrosine ligase like 10apolipoprotein E
SynonymsTTLL5AD2|APO-E|ApoE4|LDLCQ5|LPG
Cytomap

1p36.33

19q13.32

Type of geneprotein-codingprotein-coding
Descriptioninactive polyglycylase TTLL10tubulin tyrosine ligase-like family, member 10tubulin tyrosine ligase-like family, member 5tubulin--tyrosine ligase-like protein 10apolipoprotein Eapolipoprotein E3
Modification date2020031320200329
UniProtAcc.

P02649

Ensembl transtripts involved in fusion geneENST00000555422, ENST00000298832, 
ENST00000554510, ENST00000556893, 
ENST00000557636, ENST00000286650, 
ENST00000556977, 
ENST00000252486, 
Fusion gene scores* DoF score22 X 22 X 16=77445 X 5 X 5=125
# samples 315
** MAII scorelog2(31/7744*10)=-4.64273883200036
possibly effective Gene in Pan-Cancer Fusion Genes (peGinPCFGs).
DoF>8 and MAII<0
log2(5/125*10)=-1.32192809488736
possibly effective Gene in Pan-Cancer Fusion Genes (peGinPCFGs).
DoF>8 and MAII<0
Context

PubMed: TTLL5 [Title/Abstract] AND APOE [Title/Abstract] AND fusion [Title/Abstract]

Most frequent breakpointTTLL5(76243193)-APOE(45409057), # samples:1
Anticipated loss of major functional domain due to fusion event.
* 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
HgeneTTLL5

GO:0018094

protein polyglycylation

19524510

TgeneAPOE

GO:0001937

negative regulation of endothelial cell proliferation

9685360

TgeneAPOE

GO:0006641

triglyceride metabolic process

9649566

TgeneAPOE

GO:0006898

receptor-mediated endocytosis

1917954

TgeneAPOE

GO:0007186

G protein-coupled receptor signaling pathway

16443932

TgeneAPOE

GO:0007263

nitric oxide mediated signal transduction

8995232

TgeneAPOE

GO:0008203

cholesterol metabolic process

9649566

TgeneAPOE

GO:0010544

negative regulation of platelet activation

8995232

TgeneAPOE

GO:0010873

positive regulation of cholesterol esterification

15654758

TgeneAPOE

GO:0010875

positive regulation of cholesterol efflux

12042316|14754908

TgeneAPOE

GO:0010976

positive regulation of neuron projection development

7592957|23845000

TgeneAPOE

GO:0010977

negative regulation of neuron projection development

7592957

TgeneAPOE

GO:0015909

long-chain fatty acid transport

24345162

TgeneAPOE

GO:0017038

protein import

24446231

TgeneAPOE

GO:0019934

cGMP-mediated signaling

8995232

TgeneAPOE

GO:0030195

negative regulation of blood coagulation

8995232

TgeneAPOE

GO:0031175

neuron projection development

8939961

TgeneAPOE

GO:0032489

regulation of Cdc42 protein signal transduction

16443932

TgeneAPOE

GO:0032805

positive regulation of low-density lipoprotein particle receptor catabolic process

15950758

TgeneAPOE

GO:0033344

cholesterol efflux

11162594|16443932|23620513

TgeneAPOE

GO:0033700

phospholipid efflux

11162594

TgeneAPOE

GO:0034372

very-low-density lipoprotein particle remodeling

15654758

TgeneAPOE

GO:0034380

high-density lipoprotein particle assembly

14754908|17305370

TgeneAPOE

GO:0034382

chylomicron remnant clearance

1911868

TgeneAPOE

GO:0034384

high-density lipoprotein particle clearance

210175

TgeneAPOE

GO:0034447

very-low-density lipoprotein particle clearance

1917954|2762297

TgeneAPOE

GO:0042158

lipoprotein biosynthetic process

23620513

TgeneAPOE

GO:0042632

cholesterol homeostasis

9649566

TgeneAPOE

GO:0042982

amyloid precursor protein metabolic process

21593558

TgeneAPOE

GO:0043254

regulation of protein complex assembly

25207746

TgeneAPOE

GO:0043407

negative regulation of MAP kinase activity

9685360

TgeneAPOE

GO:0043537

negative regulation of blood vessel endothelial cell migration

9685360

TgeneAPOE

GO:0043691

reverse cholesterol transport

8127890

TgeneAPOE

GO:0045541

negative regulation of cholesterol biosynthetic process

1917954

TgeneAPOE

GO:0045807

positive regulation of endocytosis

7683668|8300609

TgeneAPOE

GO:0046889

positive regulation of lipid biosynthetic process

12042316

TgeneAPOE

GO:0051000

positive regulation of nitric-oxide synthase activity

8995232

TgeneAPOE

GO:0051044

positive regulation of membrane protein ectodomain proteolysis

15950758

TgeneAPOE

GO:0055089

fatty acid homeostasis

24345162

TgeneAPOE

GO:0060999

positive regulation of dendritic spine development

24328732

TgeneAPOE

GO:0071831

intermediate-density lipoprotein particle clearance

1917954

TgeneAPOE

GO:0090090

negative regulation of canonical Wnt signaling pathway

16805831

TgeneAPOE

GO:0097113

AMPA glutamate receptor clustering

24328732

TgeneAPOE

GO:0097114

NMDA glutamate receptor clustering

24328732

TgeneAPOE

GO:1900221

regulation of amyloid-beta clearance

24446231

TgeneAPOE

GO:1900272

negative regulation of long-term synaptic potentiation

16273551

TgeneAPOE

GO:1902430

negative regulation of amyloid-beta formation

24154541

TgeneAPOE

GO:1902952

positive regulation of dendritic spine maintenance

24328732

TgeneAPOE

GO:1902991

regulation of amyloid precursor protein catabolic process

28164773

TgeneAPOE

GO:1902995

positive regulation of phospholipid efflux

12042316

TgeneAPOE

GO:1903002

positive regulation of lipid transport across blood brain barrier

24345162

TgeneAPOE

GO:1905855

positive regulation of heparan sulfate binding

7683668

TgeneAPOE

GO:1905860

positive regulation of heparan sulfate proteoglycan binding

8300609

TgeneAPOE

GO:1905890

regulation of cellular response to very-low-density lipoprotein particle stimulus

7592957

TgeneAPOE

GO:1905906

regulation of amyloid fibril formation

25207746


check buttonFusion gene breakpoints across TTLL5 (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 APOE (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
ChimerDB4STADTCGA-BR-A4IY-01ATTLL5chr14

76243193

+APOEchr19

45409057

+


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Fusion Gene ORF analysis for TTLL5-APOE

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
3UTR-5UTRENST00000555422ENST00000252486TTLL5chr14

76243193

+APOEchr19

45409057

+
5CDS-5UTRENST00000298832ENST00000252486TTLL5chr14

76243193

+APOEchr19

45409057

+
5CDS-5UTRENST00000554510ENST00000252486TTLL5chr14

76243193

+APOEchr19

45409057

+
5CDS-5UTRENST00000556893ENST00000252486TTLL5chr14

76243193

+APOEchr19

45409057

+
5CDS-5UTRENST00000557636ENST00000252486TTLL5chr14

76243193

+APOEchr19

45409057

+
intron-5UTRENST00000286650ENST00000252486TTLL5chr14

76243193

+APOEchr19

45409057

+
intron-5UTRENST00000556977ENST00000252486TTLL5chr14

76243193

+APOEchr19

45409057

+

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 TTLL5-APOE


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)

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.

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Fusion Protein Features for TTLL5-APOE


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/:76243193/:45409057)
- 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
.APOE

P02649

FUNCTION: Transcriptional activator which is required for calcium-dependent dendritic growth and branching in cortical neurons. Recruits CREB-binding protein (CREBBP) to nuclear bodies. Component of the CREST-BRG1 complex, a multiprotein complex that regulates promoter activation by orchestrating a calcium-dependent release of a repressor complex and a recruitment of an activator complex. In resting neurons, transcription of the c-FOS promoter is inhibited by BRG1-dependent recruitment of a phospho-RB1-HDAC1 repressor complex. Upon calcium influx, RB1 is dephosphorylated by calcineurin, which leads to release of the repressor complex. At the same time, there is increased recruitment of CREBBP to the promoter by a CREST-dependent mechanism, which leads to transcriptional activation. The CREST-BRG1 complex also binds to the NR2B promoter, and activity-dependent induction of NR2B expression involves a release of HDAC1 and recruitment of CREBBP (By similarity). {ECO:0000250}.FUNCTION: APOE is an apolipoprotein, a protein associating with lipid particles, that mainly functions in lipoprotein-mediated lipid transport between organs via the plasma and interstitial fluids (PubMed:6860692, PubMed:1911868, PubMed:14754908). APOE is a core component of plasma lipoproteins and is involved in their production, conversion and clearance (PubMed:6860692, PubMed:2762297, PubMed:1911868, PubMed:1917954, PubMed:9395455, PubMed:14754908, PubMed:23620513). Apoliproteins are amphipathic molecules that interact both with lipids of the lipoprotein particle core and the aqueous environment of the plasma (PubMed:6860692, PubMed:2762297, PubMed:9395455). As such, APOE associates with chylomicrons, chylomicron remnants, very low density lipoproteins (VLDL) and intermediate density lipoproteins (IDL) but shows a preferential binding to high-density lipoproteins (HDL) (PubMed:6860692, PubMed:1911868). It also binds a wide range of cellular receptors including the LDL receptor/LDLR, the LDL receptor-related proteins LRP1, LRP2 and LRP8 and the very low-density lipoprotein receptor/VLDLR that mediate the cellular uptake of the APOE-containing lipoprotein particles (PubMed:2762297, PubMed:1917954, PubMed:7768901, PubMed:8939961, PubMed:12950167, PubMed:20030366, PubMed:2063194, PubMed:8756331, PubMed:20303980, PubMed:1530612, PubMed:7635945). Finally, APOE has also a heparin-binding activity and binds heparan-sulfate proteoglycans on the surface of cells, a property that supports the capture and the receptor-mediated uptake of APOE-containing lipoproteins by cells (PubMed:9395455, PubMed:9488694, PubMed:23676495, PubMed:7635945). A main function of APOE is to mediate lipoprotein clearance through the uptake of chylomicrons, VLDLs, and HDLs by hepatocytes (PubMed:1911868, PubMed:1917954, PubMed:9395455, PubMed:23676495, PubMed:29516132). APOE is also involved in the biosynthesis by the liver of VLDLs as well as their uptake by peripheral tissues ensuring the delivery of triglycerides and energy storage in muscle, heart and adipose tissues (PubMed:2762297, PubMed:29516132). By participating in the lipoprotein-mediated distribution of lipids among tissues, APOE plays a critical role in plasma and tissues lipid homeostasis (PubMed:2762297, PubMed:1917954, PubMed:29516132). APOE is also involved in two steps of reverse cholesterol transport, the HDLs-mediated transport of cholesterol from peripheral tissues to the liver, and thereby plays an important role in cholesterol homeostasis (PubMed:9395455, PubMed:14754908, PubMed:23620513). First, it is functionally associated with ABCA1 in the biogenesis of HDLs in tissues (PubMed:14754908, PubMed:23620513). Second, it is enriched in circulating HDLs and mediates their uptake by hepatocytes (PubMed:9395455). APOE also plays an important role in lipid transport in the central nervous system, regulating neuron survival and sprouting (PubMed:8939961, PubMed:25173806). APOE in also involved in innate and adaptive immune responses, controlling for instance the survival of myeloid-derived suppressor cells (By similarity). APOE, may also play a role in transcription regulation through a receptor-dependent and cholesterol-independent mechanism, that activates MAP3K12 and a non-canonical MAPK signal transduction pathway that results in enhanced AP-1-mediated transcription of APP (PubMed:28111074). {ECO:0000250|UniProtKB:P08226, ECO:0000269|PubMed:12950167, ECO:0000269|PubMed:14754908, ECO:0000269|PubMed:1530612, ECO:0000269|PubMed:1911868, ECO:0000269|PubMed:1917954, ECO:0000269|PubMed:20030366, ECO:0000269|PubMed:20303980, ECO:0000269|PubMed:2063194, ECO:0000269|PubMed:23620513, ECO:0000269|PubMed:23676495, ECO:0000269|PubMed:2762297, ECO:0000269|PubMed:28111074, ECO:0000269|PubMed:6860692, ECO:0000269|PubMed:7635945, ECO:0000269|PubMed:7768901, ECO:0000269|PubMed:8756331, ECO:0000269|PubMed:8939961, ECO:0000269|PubMed:9395455, ECO:0000269|PubMed:9488694, ECO:0000303|PubMed:25173806, ECO:0000303|PubMed:29516132}.; FUNCTION: (Microbial infection) Through its interaction with HCV envelope glycoprotein E2, participates in the attachment of HCV to HSPGs and other receptors (LDLr, VLDLr, and SR-B1) on the cell surface and to the assembly, maturation and infectivity of HCV viral particles (PubMed:25122793, PubMed:29695434). This interaction is probably promoted via the up-regulation of cellular autophagy by the virus (PubMed:29695434). {ECO:0000269|PubMed:25122793, ECO:0000269|PubMed:29695434}.

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 TTLL5-APOE


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 TTLL5-APOE


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 TTLL5-APOE


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 TTLL5-APOE


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