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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:ASTN2-CC2D1A

Fusion Gene and Fusion Protein Summary

check button Fusion gene summary
Fusion partner gene informationFusion gene name: ASTN2-CC2D1A
FusionPDB ID: 7269
FusionGDB2.0 ID: 7269
HgeneTgene
Gene symbol

ASTN2

CC2D1A

Gene ID

23245

54862

Gene nameastrotactin 2coiled-coil and C2 domain containing 1A
SynonymsbA67K19.1FREUD-1|Freud-1/Aki1|MRT3
Cytomap

9q33.1

19p13.12

Type of geneprotein-codingprotein-coding
Descriptionastrotactin-2coiled-coil and C2 domain-containing protein 1AAkt kinase-interacting protein 1FRE under dual repression-binding protein 1five prime repressor element under dual repression-binding protein 1five repressor element under dual repression-binding protein
Modification date2020031320200313
UniProtAcc

O75129

Main function of 5'-partner protein: FUNCTION: Mediates recycling of the neuronal cell adhesion molecule ASTN1 to the anterior pole of the cell membrane in migrating neurons. Promotes ASTN1 internalization and intracellular transport of endocytosed ASTN1 (By similarity). Selectively binds inositol-4,5-bisphosphate, inositol-3,4,5-trisphosphate and inositol-1,3,4,5-tetrakisphosphate, suggesting it is recruited to membranes that contain lipids with a phosphoinositide headgroup (Ref.6). {ECO:0000250|UniProtKB:Q80Z10, ECO:0000269|Ref.6}.

Q6P1N0

Main function of 5'-partner protein: FUNCTION: Transcription factor that binds specifically to the DRE (dual repressor element) and represses HTR1A gene transcription in neuronal cells. The combination of calcium and ATP specifically inactivates the binding with FRE. May play a role in the altered regulation of HTR1A associated with anxiety and major depression. Mediates HDAC-independent repression of HTR1A promoter in neuronal cell. Performs essential function in controlling functional maturation of synapses (By similarity). Plays distinct roles depending on its localization. When cytoplasmic, acts as a scaffold protein in the PI3K/PDK1/AKT pathway. Repressor of HTR1A when nuclear. In the centrosome, regulates spindle pole localization of the cohesin subunit SCC1/RAD21, thereby mediating centriole cohesion during mitosis. {ECO:0000250, ECO:0000269|PubMed:20171170}.
Ensembl transtripts involved in fusion geneENST idsENST00000361477, ENST00000313400, 
ENST00000361209, ENST00000373996, 
ENST00000288520, ENST00000341734, 
ENST00000358637, 
ENST00000318003, 
ENST00000589606, 
Fusion gene scores for assessment (based on all fusion genes of FusionGDB 2.0)* DoF score16 X 19 X 6=18246 X 6 X 5=180
# samples 196
** MAII scorelog2(19/1824*10)=-3.26303440583379
possibly effective Gene in Pan-Cancer Fusion Genes (peGinPCFGs).
DoF>8 and MAII<0
log2(6/180*10)=-1.58496250072116
possibly effective Gene in Pan-Cancer Fusion Genes (peGinPCFGs).
DoF>8 and MAII<0
Fusion gene context

PubMed: ASTN2 [Title/Abstract] AND CC2D1A [Title/Abstract] AND fusion [Title/Abstract]

Fusion neoantigen context

PubMed: ASTN2 [Title/Abstract] AND CC2D1A [Title/Abstract] AND neoantigen [Title/Abstract]

Most frequent breakpoint (based on all fusion genes of FusionGDB 2.0)ASTN2(119488050)-CC2D1A(14028883), # samples:1
Anticipated loss of major functional domain due to fusion event.ASTN2-CC2D1A 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.
ASTN2-CC2D1A 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.
ASTN2-CC2D1A 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.
ASTN2-CC2D1A 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


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/chr9:119488050/chr19:14028883)
- 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 ASTN2 (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 CC2D1A (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)
ENST00000373996ASTN2chr9119488050-ENST00000318003CC2D1Achr1914028883+53862794049011633
ENST00000373996ASTN2chr9119488050-ENST00000589606CC2D1Achr1914028883+51632794048981632
ENST00000313400ASTN2chr9119488050-ENST00000318003CC2D1Achr1914028883+5499290710150141637
ENST00000313400ASTN2chr9119488050-ENST00000589606CC2D1Achr1914028883+5276290710150111636
ENST00000361209ASTN2chr9119488050-ENST00000318003CC2D1Achr1914028883+5377278513248921586
ENST00000361209ASTN2chr9119488050-ENST00000589606CC2D1Achr1914028883+5154278513248891585

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
ENST00000373996ENST00000318003ASTN2chr9119488050-CC2D1Achr1914028883+0.0081918370.9918081
ENST00000373996ENST00000589606ASTN2chr9119488050-CC2D1Achr1914028883+0.0083443010.9916557
ENST00000313400ENST00000318003ASTN2chr9119488050-CC2D1Achr1914028883+0.0095406860.9904593
ENST00000313400ENST00000589606ASTN2chr9119488050-CC2D1Achr1914028883+0.0096742590.9903258
ENST00000361209ENST00000318003ASTN2chr9119488050-CC2D1Achr1914028883+0.0091413120.99085873
ENST00000361209ENST00000589606ASTN2chr9119488050-CC2D1Achr1914028883+0.0093005360.99069947

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 ASTN2-CC2D1A

check button +/-13 AA sequence from the breakpoints of the fusion protein sequences.
HgeneHchrHbpTgeneTchrTbpLength(fusion protein)BP in fusion proteinPeptide
ASTN2chr9119488050CC2D1Achr19140288832785884KKVQQQLWLQYQKGPCSPGPLAQLQS
ASTN2chr9119488050CC2D1Achr19140288832794931KKVQQQLWLQYQKGPCSPGPLAQLQS
ASTN2chr9119488050CC2D1Achr19140288832907935KKVQQQLWLQYQKGPCSPGPLAQLQS

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Potential FusionNeoAntigen Information of ASTN2-CC2D1A 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.

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)

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Potential FusionNeoAntigen Information of ASTN2-CC2D1A 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 ASTN2-CC2D1A

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.

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Filtering FusionNeoAntigens Through Checking the Interaction with HLAs in 3D of ASTN2-CC2D1A

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

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Vaccine Design for the FusionNeoAntigens of ASTN2-CC2D1A

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

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 ASTN2-CC2D1A

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

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Potential target of CAR-T therapy development for ASTN2-CC2D1A

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
HgeneASTN2chr9:119488050chr19:14028883ENST00000313400-1623207_2279351340.0TransmembraneHelical
HgeneASTN2chr9:119488050chr19:14028883ENST00000313400-1623435_4559351340.0TransmembraneHelical
HgeneASTN2chr9:119488050chr19:14028883ENST00000361209-1522207_2278841289.0TransmembraneHelical
HgeneASTN2chr9:119488050chr19:14028883ENST00000361209-1522435_4558841289.0TransmembraneHelical
HgeneASTN2chr9:119488050chr19:14028883ENST00000373996-1623207_2279311336.0TransmembraneHelical
HgeneASTN2chr9:119488050chr19:14028883ENST00000373996-1623435_4559311336.0TransmembraneHelical

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 ASTN2-CC2D1A

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 ASTN2-CC2D1A

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