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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:LTF-CFB (FusionGDB2 ID:50309)

Fusion Gene Summary for LTF-CFB

check button Fusion gene summary
Fusion gene informationFusion gene name: LTF-CFB
Fusion gene ID: 50309
HgeneTgene
Gene symbol

LTF

CFB

Gene ID

4057

629

Gene namelactotransferrincomplement factor B
SynonymsGIG12|HEL110|HLF2|LFAHUS4|ARMD14|BF|BFD|CFAB|CFBD|FB|FBI12|GBG|H2-Bf|PBF2
Cytomap

3p21.31

6p21.33

Type of geneprotein-codingprotein-coding
Descriptionlactotransferrinepididymis luminal protein 110growth-inhibiting protein 12kaliocin-1lactoferricinlactoferroxinneutrophil lactoferrintalalactoferrincomplement factor BB-factor, properdinC3 proacceleratorC3 proactivatorC3/C5 convertaseglycine-rich beta-glycoproteinproperdin factor B
Modification date2020031320200327
UniProtAcc

P02788

P00751

Ensembl transtripts involved in fusion geneENST00000426532, ENST00000231751, 
ENST00000417439, ENST00000493056, 
ENST00000375455, ENST00000399981, 
ENST00000417261, ENST00000419411, 
ENST00000419920, ENST00000424727, 
ENST00000425368, ENST00000426239, 
ENST00000427888, ENST00000433503, 
ENST00000436692, ENST00000455591, 
ENST00000456570, ENST00000459734, 
ENST00000460958, ENST00000465211, 
ENST00000473139, ENST00000474621, 
ENST00000477310, ENST00000489605, 
ENST00000497841, ENST00000556679, 
Fusion gene scores* DoF score8 X 2 X 5=8017 X 11 X 9=1683
# samples 820
** MAII scorelog2(8/80*10)=0log2(20/1683*10)=-3.07296327155522
possibly effective Gene in Pan-Cancer Fusion Genes (peGinPCFGs).
DoF>8 and MAII<0
Context

PubMed: LTF [Title/Abstract] AND CFB [Title/Abstract] AND fusion [Title/Abstract]

Most frequent breakpointLTF(46477510)-CFB(31913427), # samples:2
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
HgeneLTF

GO:0001817

regulation of cytokine production

20345905

HgeneLTF

GO:0002227

innate immune response in mucosa

12037568

HgeneLTF

GO:0019731

antibacterial humoral response

1599934|18714013

HgeneLTF

GO:0019732

antifungal humoral response

11083624

HgeneLTF

GO:0031640

killing of cells of other organism

9727055

HgeneLTF

GO:0031665

negative regulation of lipopolysaccharide-mediated signaling pathway

20345905

HgeneLTF

GO:0032680

regulation of tumor necrosis factor production

20345905

HgeneLTF

GO:0033690

positive regulation of osteoblast proliferation

15166119

HgeneLTF

GO:0043123

positive regulation of I-kappaB kinase/NF-kappaB signaling

20345905

HgeneLTF

GO:0045669

positive regulation of osteoblast differentiation

15166119

HgeneLTF

GO:0051092

positive regulation of NF-kappaB transcription factor activity

20345905

HgeneLTF

GO:0060349

bone morphogenesis

15166119

HgeneLTF

GO:0071902

positive regulation of protein serine/threonine kinase activity

20345905

HgeneLTF

GO:1900229

negative regulation of single-species biofilm formation in or on host organism

12037568

HgeneLTF

GO:1902732

positive regulation of chondrocyte proliferation

15166119

HgeneLTF

GO:2000117

negative regulation of cysteine-type endopeptidase activity

12788072


check buttonFusion gene breakpoints across LTF (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 CFB (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
ChimerDB4BRCATCGA-PE-A5DE-01ALTFchr3

46477510

-CFBchr6

31913427

+
ChimerDB4PRADTCGA-HC-7079-01ALTFchr3

46477510

-CFBchr6

31913427

+


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Fusion Gene ORF analysis for LTF-CFB

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-intronENST00000426532ENST00000375455LTFchr3

46477510

-CFBchr6

31913427

+
5CDS-intronENST00000426532ENST00000399981LTFchr3

46477510

-CFBchr6

31913427

+
5CDS-intronENST00000426532ENST00000417261LTFchr3

46477510

-CFBchr6

31913427

+
5CDS-intronENST00000426532ENST00000419411LTFchr3

46477510

-CFBchr6

31913427

+
5CDS-intronENST00000426532ENST00000419920LTFchr3

46477510

-CFBchr6

31913427

+
5CDS-intronENST00000426532ENST00000424727LTFchr3

46477510

-CFBchr6

31913427

+
5CDS-intronENST00000426532ENST00000425368LTFchr3

46477510

-CFBchr6

31913427

+
5CDS-intronENST00000426532ENST00000426239LTFchr3

46477510

-CFBchr6

31913427

+
5CDS-intronENST00000426532ENST00000427888LTFchr3

46477510

-CFBchr6

31913427

+
5CDS-intronENST00000426532ENST00000433503LTFchr3

46477510

-CFBchr6

31913427

+
5CDS-intronENST00000426532ENST00000436692LTFchr3

46477510

-CFBchr6

31913427

+
5CDS-intronENST00000426532ENST00000455591LTFchr3

46477510

-CFBchr6

31913427

+
5CDS-intronENST00000426532ENST00000456570LTFchr3

46477510

-CFBchr6

31913427

+
5CDS-intronENST00000426532ENST00000459734LTFchr3

46477510

-CFBchr6

31913427

+
5CDS-intronENST00000426532ENST00000460958LTFchr3

46477510

-CFBchr6

31913427

+
5CDS-intronENST00000426532ENST00000465211LTFchr3

46477510

-CFBchr6

31913427

+
5CDS-intronENST00000426532ENST00000473139LTFchr3

46477510

-CFBchr6

31913427

+
5CDS-intronENST00000426532ENST00000474621LTFchr3

46477510

-CFBchr6

31913427

+
5CDS-intronENST00000426532ENST00000477310LTFchr3

46477510

-CFBchr6

31913427

+
5CDS-intronENST00000426532ENST00000489605LTFchr3

46477510

-CFBchr6

31913427

+
5CDS-intronENST00000426532ENST00000497841LTFchr3

46477510

-CFBchr6

31913427

+
5CDS-intronENST00000426532ENST00000556679LTFchr3

46477510

-CFBchr6

31913427

+
intron-intronENST00000231751ENST00000375455LTFchr3

46477510

-CFBchr6

31913427

+
intron-intronENST00000231751ENST00000399981LTFchr3

46477510

-CFBchr6

31913427

+
intron-intronENST00000231751ENST00000417261LTFchr3

46477510

-CFBchr6

31913427

+
intron-intronENST00000231751ENST00000419411LTFchr3

46477510

-CFBchr6

31913427

+
intron-intronENST00000231751ENST00000419920LTFchr3

46477510

-CFBchr6

31913427

+
intron-intronENST00000231751ENST00000424727LTFchr3

46477510

-CFBchr6

31913427

+
intron-intronENST00000231751ENST00000425368LTFchr3

46477510

-CFBchr6

31913427

+
intron-intronENST00000231751ENST00000426239LTFchr3

46477510

-CFBchr6

31913427

+
intron-intronENST00000231751ENST00000427888LTFchr3

46477510

-CFBchr6

31913427

+
intron-intronENST00000231751ENST00000433503LTFchr3

46477510

-CFBchr6

31913427

+
intron-intronENST00000231751ENST00000436692LTFchr3

46477510

-CFBchr6

31913427

+
intron-intronENST00000231751ENST00000455591LTFchr3

46477510

-CFBchr6

31913427

+
intron-intronENST00000231751ENST00000456570LTFchr3

46477510

-CFBchr6

31913427

+
intron-intronENST00000231751ENST00000459734LTFchr3

46477510

-CFBchr6

31913427

+
intron-intronENST00000231751ENST00000460958LTFchr3

46477510

-CFBchr6

31913427

+
intron-intronENST00000231751ENST00000465211LTFchr3

46477510

-CFBchr6

31913427

+
intron-intronENST00000231751ENST00000473139LTFchr3

46477510

-CFBchr6

31913427

+
intron-intronENST00000231751ENST00000474621LTFchr3

46477510

-CFBchr6

31913427

+
intron-intronENST00000231751ENST00000477310LTFchr3

46477510

-CFBchr6

31913427

+
intron-intronENST00000231751ENST00000489605LTFchr3

46477510

-CFBchr6

31913427

+
intron-intronENST00000231751ENST00000497841LTFchr3

46477510

-CFBchr6

31913427

+
intron-intronENST00000231751ENST00000556679LTFchr3

46477510

-CFBchr6

31913427

+
intron-intronENST00000417439ENST00000375455LTFchr3

46477510

-CFBchr6

31913427

+
intron-intronENST00000417439ENST00000399981LTFchr3

46477510

-CFBchr6

31913427

+
intron-intronENST00000417439ENST00000417261LTFchr3

46477510

-CFBchr6

31913427

+
intron-intronENST00000417439ENST00000419411LTFchr3

46477510

-CFBchr6

31913427

+
intron-intronENST00000417439ENST00000419920LTFchr3

46477510

-CFBchr6

31913427

+
intron-intronENST00000417439ENST00000424727LTFchr3

46477510

-CFBchr6

31913427

+
intron-intronENST00000417439ENST00000425368LTFchr3

46477510

-CFBchr6

31913427

+
intron-intronENST00000417439ENST00000426239LTFchr3

46477510

-CFBchr6

31913427

+
intron-intronENST00000417439ENST00000427888LTFchr3

46477510

-CFBchr6

31913427

+
intron-intronENST00000417439ENST00000433503LTFchr3

46477510

-CFBchr6

31913427

+
intron-intronENST00000417439ENST00000436692LTFchr3

46477510

-CFBchr6

31913427

+
intron-intronENST00000417439ENST00000455591LTFchr3

46477510

-CFBchr6

31913427

+
intron-intronENST00000417439ENST00000456570LTFchr3

46477510

-CFBchr6

31913427

+
intron-intronENST00000417439ENST00000459734LTFchr3

46477510

-CFBchr6

31913427

+
intron-intronENST00000417439ENST00000460958LTFchr3

46477510

-CFBchr6

31913427

+
intron-intronENST00000417439ENST00000465211LTFchr3

46477510

-CFBchr6

31913427

+
intron-intronENST00000417439ENST00000473139LTFchr3

46477510

-CFBchr6

31913427

+
intron-intronENST00000417439ENST00000474621LTFchr3

46477510

-CFBchr6

31913427

+
intron-intronENST00000417439ENST00000477310LTFchr3

46477510

-CFBchr6

31913427

+
intron-intronENST00000417439ENST00000489605LTFchr3

46477510

-CFBchr6

31913427

+
intron-intronENST00000417439ENST00000497841LTFchr3

46477510

-CFBchr6

31913427

+
intron-intronENST00000417439ENST00000556679LTFchr3

46477510

-CFBchr6

31913427

+
intron-intronENST00000493056ENST00000375455LTFchr3

46477510

-CFBchr6

31913427

+
intron-intronENST00000493056ENST00000399981LTFchr3

46477510

-CFBchr6

31913427

+
intron-intronENST00000493056ENST00000417261LTFchr3

46477510

-CFBchr6

31913427

+
intron-intronENST00000493056ENST00000419411LTFchr3

46477510

-CFBchr6

31913427

+
intron-intronENST00000493056ENST00000419920LTFchr3

46477510

-CFBchr6

31913427

+
intron-intronENST00000493056ENST00000424727LTFchr3

46477510

-CFBchr6

31913427

+
intron-intronENST00000493056ENST00000425368LTFchr3

46477510

-CFBchr6

31913427

+
intron-intronENST00000493056ENST00000426239LTFchr3

46477510

-CFBchr6

31913427

+
intron-intronENST00000493056ENST00000427888LTFchr3

46477510

-CFBchr6

31913427

+
intron-intronENST00000493056ENST00000433503LTFchr3

46477510

-CFBchr6

31913427

+
intron-intronENST00000493056ENST00000436692LTFchr3

46477510

-CFBchr6

31913427

+
intron-intronENST00000493056ENST00000455591LTFchr3

46477510

-CFBchr6

31913427

+
intron-intronENST00000493056ENST00000456570LTFchr3

46477510

-CFBchr6

31913427

+
intron-intronENST00000493056ENST00000459734LTFchr3

46477510

-CFBchr6

31913427

+
intron-intronENST00000493056ENST00000460958LTFchr3

46477510

-CFBchr6

31913427

+
intron-intronENST00000493056ENST00000465211LTFchr3

46477510

-CFBchr6

31913427

+
intron-intronENST00000493056ENST00000473139LTFchr3

46477510

-CFBchr6

31913427

+
intron-intronENST00000493056ENST00000474621LTFchr3

46477510

-CFBchr6

31913427

+
intron-intronENST00000493056ENST00000477310LTFchr3

46477510

-CFBchr6

31913427

+
intron-intronENST00000493056ENST00000489605LTFchr3

46477510

-CFBchr6

31913427

+
intron-intronENST00000493056ENST00000497841LTFchr3

46477510

-CFBchr6

31913427

+
intron-intronENST00000493056ENST00000556679LTFchr3

46477510

-CFBchr6

31913427

+

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 LTF-CFB


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 LTF-CFB


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/:46477510/:31913427)
- 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
LTF

P02788

CFB

P00751

FUNCTION: Transferrins are iron binding transport proteins which can bind two Fe(3+) ions in association with the binding of an anion, usually bicarbonate. {ECO:0000269|PubMed:22900286}.; FUNCTION: [Lactotransferrin]: Major iron-binding and multifunctional protein found in exocrine fluids such as breast milk and mucosal secretions (PubMed:14573629, PubMed:1599934, PubMed:6802759, PubMed:3169987, PubMed:11179314, PubMed:12693969). Has antimicrobial activity, which depends on the extracellular cation concentration (PubMed:6802759). Antimicrobial properties include bacteriostasis, which is related to its ability to sequester free iron and thus inhibit microbial growth, as well as direct bactericidal properties leading to the release of lipopolysaccharides from the bacterial outer membrane (PubMed:14573629, PubMed:1599934, PubMed:6802759, PubMed:3169987, PubMed:11179314, PubMed:12693969). Can also prevent bacterial biofilm development in P.aeruginosa infection (PubMed:12037568). Has weak antifungal activity against C.albicans (PubMed:11083624). Has anabolic, differentiating and anti-apoptotic effects on osteoblasts and can also inhibit osteoclastogenesis, possibly playing a role in the regulation of bone growth (PubMed:15166119). Promotes binding of species C adenoviruses to epithelial cells, promoting adenovirus infection (PubMed:17079302). Can inhibit papillomavirus infections (PubMed:17481742). Stimulates the TLR4 signaling pathway leading to NF-kappa-B activation and subsequent pro-inflammatory cytokine production while also interfering with the lipopolysaccharide (LPS)-stimulated TLR4 signaling (PubMed:20345905). Inhibits neutrophil granulocyte migration to sites of apoptosis, when secreted by apoptotic cells (PubMed:19033648). Stimulates VEGFA-mediated endothelial cell migration and proliferation (PubMed:16842782). Binds heparin, chondroitin sulfate and possibly other glycosaminoglycans (GAGs) (PubMed:9359845). Also binds specifically to pneumococcal surface protein A (pspA), the lipid A portion of bacterial lipopolysaccharide (LPS), lysozyme and DNA (PubMed:9359845). {ECO:0000269|PubMed:11083624, ECO:0000269|PubMed:11179314, ECO:0000269|PubMed:12037568, ECO:0000269|PubMed:12693969, ECO:0000269|PubMed:14573629, ECO:0000269|PubMed:15166119, ECO:0000269|PubMed:1599934, ECO:0000269|PubMed:16842782, ECO:0000269|PubMed:17079302, ECO:0000269|PubMed:17481742, ECO:0000269|PubMed:19033648, ECO:0000269|PubMed:20345905, ECO:0000269|PubMed:3169987, ECO:0000269|PubMed:6802759, ECO:0000269|PubMed:9359845}.; FUNCTION: Lactoferricin binds to the bacterial surface and is crucial for the bactericidal functions. Has some antiviral activity against papillomavirus infection (PubMed:17481742). N-terminal region shows strong antifungal activity against C.albicans (PubMed:11083624). Contains two BBXB heparin-binding consensus sequences that appear to form the predominate functional GAG-binding site. {ECO:0000269|PubMed:11083624, ECO:0000269|PubMed:17481742}.; FUNCTION: [Kaliocin-1]: Has antimicrobial activity and is able to permeabilize different ions through liposomal membranes. {ECO:0000269|PubMed:12693969}.; FUNCTION: [Lactoferroxin-A]: Has opioid antagonist activity (PubMed:1369293). Shows preference for mu-receptor (PubMed:1369293). {ECO:0000269|PubMed:1369293}.; FUNCTION: [Lactoferroxin-B]: Has opioid antagonist activity (PubMed:1369293). Shows higher degrees of preference for kappa-receptors than for mu-receptors (PubMed:1369293). {ECO:0000269|PubMed:1369293}.; FUNCTION: [Lactoferroxin-C]: Has opioid antagonist activity (PubMed:1369293). Shows higher degrees of preference for kappa-receptors than for mu-receptors (PubMed:1369293). {ECO:0000269|PubMed:1369293}.; FUNCTION: The lactotransferrin transferrin-like domain 1 functions as a serine protease of the peptidase S60 family that cuts arginine rich regions (PubMed:12535064). This function contributes to the antimicrobial activity (PubMed:12535064). Shows a preferential cleavage at -Arg-Ser-Arg-Arg-|- and -Arg-Arg-Ser-Arg-|-, and of Z-Phe-Arg-|-aminomethylcoumarin sites (PubMed:12535064). {ECO:0000269|PubMed:12535064}.; FUNCTION: [Isoform DeltaLf]: transcription factor with antiproliferative properties and ability to induce cell cycle arrest (PubMed:15222485). Binds to the DeltaLf response element found in the SKP1, BAX, DCPS, and SELENOH promoters (PubMed:22320386). {ECO:0000269|PubMed:15222485, ECO:0000269|PubMed:22320386}.FUNCTION: Factor B which is part of the alternate pathway of the complement system is cleaved by factor D into 2 fragments: Ba and Bb. Bb, a serine protease, then combines with complement factor 3b to generate the C3 or C5 convertase. It has also been implicated in proliferation and differentiation of preactivated B-lymphocytes, rapid spreading of peripheral blood monocytes, stimulation of lymphocyte blastogenesis and lysis of erythrocytes. Ba inhibits the proliferation of preactivated B-lymphocytes.

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 LTF-CFB


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 LTF-CFB


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 LTF-CFB


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 LTF-CFB


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