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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:SERPINA1-LGR4 (FusionGDB2 ID:80726)

Fusion Gene Summary for SERPINA1-LGR4

check button Fusion gene summary
Fusion gene informationFusion gene name: SERPINA1-LGR4
Fusion gene ID: 80726
HgeneTgene
Gene symbol

SERPINA1

LGR4

Gene ID

5265

55366

Gene nameserpin family A member 1leucine rich repeat containing G protein-coupled receptor 4
SynonymsA1A|A1AT|AAT|PI|PI1|PRO2275|alpha1AT|nNIFBNMD17|GPR48
Cytomap

14q32.13

11p14.1

Type of geneprotein-codingprotein-coding
Descriptionalpha-1-antitrypsinalpha-1 antitrypsinalpha-1 protease inhibitoralpha-1-antiproteinasealpha-1-antitrypsin nullalpha-1-antitrypsin short transcript variant 1C4alpha-1-antitrypsin short transcript variant 1C5epididymis secretory sperm binding proteinleucine-rich repeat-containing G-protein coupled receptor 4G protein-coupled receptor 48
Modification date2020032720200313
UniProtAcc.

Q9BXB1

Ensembl transtripts involved in fusion geneENST00000404814, ENST00000355814, 
ENST00000393087, ENST00000393088, 
ENST00000402629, ENST00000437397, 
ENST00000440909, ENST00000448921, 
ENST00000449399, ENST00000555289, 
ENST00000379214, ENST00000389858, 
ENST00000480977, 
Fusion gene scores* DoF score28 X 24 X 6=40324 X 3 X 4=48
# samples 284
** MAII scorelog2(28/4032*10)=-3.84799690655495
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
Context

PubMed: SERPINA1 [Title/Abstract] AND LGR4 [Title/Abstract] AND fusion [Title/Abstract]

Most frequent breakpointSERPINA1(94844726)-LGR4(27494322), # 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
TgeneLGR4

GO:0090263

positive regulation of canonical Wnt signaling pathway

22815884


check buttonFusion gene breakpoints across SERPINA1 (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 LGR4 (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
ChimerDB4LIHCTCGA-ED-A66Y-01ASERPINA1chr14

94844726

-LGR4chr11

27494322

-


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Fusion Gene ORF analysis for SERPINA1-LGR4

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-intronENST00000404814ENST00000379214SERPINA1chr14

94844726

-LGR4chr11

27494322

-
5CDS-intronENST00000404814ENST00000389858SERPINA1chr14

94844726

-LGR4chr11

27494322

-
5CDS-intronENST00000404814ENST00000480977SERPINA1chr14

94844726

-LGR4chr11

27494322

-
intron-intronENST00000355814ENST00000379214SERPINA1chr14

94844726

-LGR4chr11

27494322

-
intron-intronENST00000355814ENST00000389858SERPINA1chr14

94844726

-LGR4chr11

27494322

-
intron-intronENST00000355814ENST00000480977SERPINA1chr14

94844726

-LGR4chr11

27494322

-
intron-intronENST00000393087ENST00000379214SERPINA1chr14

94844726

-LGR4chr11

27494322

-
intron-intronENST00000393087ENST00000389858SERPINA1chr14

94844726

-LGR4chr11

27494322

-
intron-intronENST00000393087ENST00000480977SERPINA1chr14

94844726

-LGR4chr11

27494322

-
intron-intronENST00000393088ENST00000379214SERPINA1chr14

94844726

-LGR4chr11

27494322

-
intron-intronENST00000393088ENST00000389858SERPINA1chr14

94844726

-LGR4chr11

27494322

-
intron-intronENST00000393088ENST00000480977SERPINA1chr14

94844726

-LGR4chr11

27494322

-
intron-intronENST00000402629ENST00000379214SERPINA1chr14

94844726

-LGR4chr11

27494322

-
intron-intronENST00000402629ENST00000389858SERPINA1chr14

94844726

-LGR4chr11

27494322

-
intron-intronENST00000402629ENST00000480977SERPINA1chr14

94844726

-LGR4chr11

27494322

-
intron-intronENST00000437397ENST00000379214SERPINA1chr14

94844726

-LGR4chr11

27494322

-
intron-intronENST00000437397ENST00000389858SERPINA1chr14

94844726

-LGR4chr11

27494322

-
intron-intronENST00000437397ENST00000480977SERPINA1chr14

94844726

-LGR4chr11

27494322

-
intron-intronENST00000440909ENST00000379214SERPINA1chr14

94844726

-LGR4chr11

27494322

-
intron-intronENST00000440909ENST00000389858SERPINA1chr14

94844726

-LGR4chr11

27494322

-
intron-intronENST00000440909ENST00000480977SERPINA1chr14

94844726

-LGR4chr11

27494322

-
intron-intronENST00000448921ENST00000379214SERPINA1chr14

94844726

-LGR4chr11

27494322

-
intron-intronENST00000448921ENST00000389858SERPINA1chr14

94844726

-LGR4chr11

27494322

-
intron-intronENST00000448921ENST00000480977SERPINA1chr14

94844726

-LGR4chr11

27494322

-
intron-intronENST00000449399ENST00000379214SERPINA1chr14

94844726

-LGR4chr11

27494322

-
intron-intronENST00000449399ENST00000389858SERPINA1chr14

94844726

-LGR4chr11

27494322

-
intron-intronENST00000449399ENST00000480977SERPINA1chr14

94844726

-LGR4chr11

27494322

-
intron-intronENST00000555289ENST00000379214SERPINA1chr14

94844726

-LGR4chr11

27494322

-
intron-intronENST00000555289ENST00000389858SERPINA1chr14

94844726

-LGR4chr11

27494322

-
intron-intronENST00000555289ENST00000480977SERPINA1chr14

94844726

-LGR4chr11

27494322

-

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 SERPINA1-LGR4


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 SERPINA1-LGR4


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/:94844726/:27494322)
- 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
.LGR4

Q9BXB1

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: Receptor for R-spondins that potentiates the canonical Wnt signaling pathway and is involved in the formation of various organs. Upon binding to R-spondins (RSPO1, RSPO2, RSPO3 or RSPO4), associates with phosphorylated LRP6 and frizzled receptors that are activated by extracellular Wnt receptors, triggering the canonical Wnt signaling pathway to increase expression of target genes. In contrast to classical G-protein coupled receptors, does not activate heterotrimeric G-proteins to transduce the signal. Its function as activator of the Wnt signaling pathway is required for the development of various organs, including liver, kidney, intestine, bone, reproductive tract and eye. May also act as a receptor for norrin (NDP), such results however require additional confirmation in vivo. Required during spermatogenesis to activate the Wnt signaling pathway in peritubular myoid cells. Required for the maintenance of intestinal stem cells and Paneth cell differentiation in postnatal intestinal crypts. Acts as a regulator of bone formation and remodeling. Involved in kidney development; required for maintaining the ureteric bud in an undifferentiated state. Involved in the development of the anterior segment of the eye. Required during erythropoiesis. Also acts as a negative regulator of innate immunity by inhibiting TLR2/TLR4 associated pattern-recognition and proinflammatory cytokine production. Plays an important role in regulating the circadian rhythms of plasma lipids, partially through regulating the rhythmic expression of MTTP (By similarity). {ECO:0000250|UniProtKB:A2ARI4, ECO:0000269|PubMed:21693646, ECO:0000269|PubMed:21727895, ECO:0000269|PubMed:21909076, ECO:0000269|PubMed:22815884, ECO:0000269|PubMed:23444378, ECO:0000269|PubMed:23756652}.

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 SERPINA1-LGR4


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 SERPINA1-LGR4


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 SERPINA1-LGR4


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 SERPINA1-LGR4


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