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 | Fusion Gene Summary |
| Fusion Gene ORF analysis |
| Fusion Genomic Features |
| Fusion Protein Features |
| Fusion Gene Sequence |
| Fusion Gene PPI analysis |
| Related Drugs |
| Related Diseases |
Fusion gene:AP3B2-HOMER2 (FusionGDB2 ID:HG8120TG9455) |
Fusion Gene Summary for AP3B2-HOMER2 |
 Fusion gene summary |
| Fusion gene information | Fusion gene name: AP3B2-HOMER2 | Fusion gene ID: hg8120tg9455 | Hgene | Tgene | Gene symbol | AP3B2 | HOMER2 | Gene ID | 8120 | 9455 |
| Gene name | adaptor related protein complex 3 subunit beta 2 | homer scaffold protein 2 | |
| Synonyms | EIEE48|NAPTB | ACPD|CPD|DFNA68|HOMER-2|VESL-2 | |
| Cytomap | ('AP3B2')('HOMER2') 15q25.2 | 15q25.2 | |
| Type of gene | protein-coding | protein-coding | |
| Description | AP-3 complex subunit beta-2Neuronal adaptin-like protein, beta-subunitadaptor protein complex AP-3 subunit beta-2adaptor related protein complex 3 beta 2 subunitbeta-3B-adaptinclathrin assembly protein complex 3 beta-2 large chainneuron-specific ves | homer protein homolog 2cupidinhomer homolog 2homer homolog 3homer scaffolding protein 2homer, neuronal immediate early gene, 2 | |
| Modification date | 20200320 | 20200313 | |
| UniProtAcc | Q13367 | Q9NSB8 | |
| Ensembl transtripts involved in fusion gene | ENST00000261722, ENST00000535348, ENST00000535359, ENST00000542200, ENST00000561455, | ||
| Fusion gene scores | * DoF score | 1 X 1 X 1=1 | 8 X 6 X 3=144 |
| # samples | 1 | 8 | |
| ** MAII score | log2(1/1*10)=3.32192809488736 | log2(8/144*10)=-0.84799690655495 possibly effective Gene in Pan-Cancer Fusion Genes (peGinPCFGs). DoF>8 and MAII<0 | |
| Context | PubMed: AP3B2 [Title/Abstract] AND HOMER2 [Title/Abstract] AND fusion [Title/Abstract] | ||
| Most frequent breakpoint | AP3B2(83378346)-HOMER2(83561593), # samples:3 | ||
| Anticipated loss of major functional domain due to fusion event. | AP3B2-HOMER2 seems lost the major protein functional domain in Hgene partner, which is a essential gene due to the frame-shifted ORF. AP3B2-HOMER2 seems lost the major protein functional domain in Tgene partner, which is a tumor suppressor 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) |
| Gene ontology of each fusion partner gene with evidence of Inferred from Direct Assay (IDA) from Entrez |
| Partner | Gene | GO ID | GO term | PubMed ID |
| Fusion gene information * 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. |
| Source | Disease | Sample | Hgene | Hchr | Hbp | Hstrand | Tgene | Tchr | Tbp | Tstrand |
| ChimerDB4 | PRAD | TCGA-CH-5751-01A | AP3B2 | chr15 | 83378346 | - | HOMER2 | chr15 | 83561593 | - |
| ChimerDB4 | PRAD | TCGA-CH-5751 | AP3B2 | chr15 | 83378346 | - | HOMER2 | chr15 | 83561593 | - |
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Fusion Gene ORF analysis for AP3B2-HOMER2 |
| 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. |
| ORF | Henst | Tenst | Hgene | Hchr | Hbp | Hstrand | Tgene | Tchr | Tbp | Tstrand |
| 5CDS-intron | ENST00000261722 | ENST00000500334 | AP3B2 | chr15 | 83378346 | - | HOMER2 | chr15 | 83561593 | - |
| 5CDS-intron | ENST00000535348 | ENST00000500334 | AP3B2 | chr15 | 83378346 | - | HOMER2 | chr15 | 83561593 | - |
| 5CDS-intron | ENST00000535359 | ENST00000500334 | AP3B2 | chr15 | 83378346 | - | HOMER2 | chr15 | 83561593 | - |
| 5CDS-intron | ENST00000542200 | ENST00000500334 | AP3B2 | chr15 | 83378346 | - | HOMER2 | chr15 | 83561593 | - |
| Frame-shift | ENST00000261722 | ENST00000304231 | AP3B2 | chr15 | 83378346 | - | HOMER2 | chr15 | 83561593 | - |
| Frame-shift | ENST00000261722 | ENST00000399166 | AP3B2 | chr15 | 83378346 | - | HOMER2 | chr15 | 83561593 | - |
| Frame-shift | ENST00000261722 | ENST00000426485 | AP3B2 | chr15 | 83378346 | - | HOMER2 | chr15 | 83561593 | - |
| Frame-shift | ENST00000261722 | ENST00000450735 | AP3B2 | chr15 | 83378346 | - | HOMER2 | chr15 | 83561593 | - |
| Frame-shift | ENST00000535348 | ENST00000304231 | AP3B2 | chr15 | 83378346 | - | HOMER2 | chr15 | 83561593 | - |
| Frame-shift | ENST00000535348 | ENST00000399166 | AP3B2 | chr15 | 83378346 | - | HOMER2 | chr15 | 83561593 | - |
| Frame-shift | ENST00000535348 | ENST00000426485 | AP3B2 | chr15 | 83378346 | - | HOMER2 | chr15 | 83561593 | - |
| Frame-shift | ENST00000535348 | ENST00000450735 | AP3B2 | chr15 | 83378346 | - | HOMER2 | chr15 | 83561593 | - |
| Frame-shift | ENST00000535359 | ENST00000304231 | AP3B2 | chr15 | 83378346 | - | HOMER2 | chr15 | 83561593 | - |
| Frame-shift | ENST00000535359 | ENST00000399166 | AP3B2 | chr15 | 83378346 | - | HOMER2 | chr15 | 83561593 | - |
| Frame-shift | ENST00000535359 | ENST00000426485 | AP3B2 | chr15 | 83378346 | - | HOMER2 | chr15 | 83561593 | - |
| Frame-shift | ENST00000535359 | ENST00000450735 | AP3B2 | chr15 | 83378346 | - | HOMER2 | chr15 | 83561593 | - |
| Frame-shift | ENST00000542200 | ENST00000304231 | AP3B2 | chr15 | 83378346 | - | HOMER2 | chr15 | 83561593 | - |
| Frame-shift | ENST00000542200 | ENST00000399166 | AP3B2 | chr15 | 83378346 | - | HOMER2 | chr15 | 83561593 | - |
| Frame-shift | ENST00000542200 | ENST00000426485 | AP3B2 | chr15 | 83378346 | - | HOMER2 | chr15 | 83561593 | - |
| Frame-shift | ENST00000542200 | ENST00000450735 | AP3B2 | chr15 | 83378346 | - | HOMER2 | chr15 | 83561593 | - |
| intron-3CDS | ENST00000561455 | ENST00000304231 | AP3B2 | chr15 | 83378346 | - | HOMER2 | chr15 | 83561593 | - |
| intron-3CDS | ENST00000561455 | ENST00000399166 | AP3B2 | chr15 | 83378346 | - | HOMER2 | chr15 | 83561593 | - |
| intron-3CDS | ENST00000561455 | ENST00000426485 | AP3B2 | chr15 | 83378346 | - | HOMER2 | chr15 | 83561593 | - |
| intron-3CDS | ENST00000561455 | ENST00000450735 | AP3B2 | chr15 | 83378346 | - | HOMER2 | chr15 | 83561593 | - |
| intron-intron | ENST00000561455 | ENST00000500334 | AP3B2 | chr15 | 83378346 | - | HOMER2 | chr15 | 83561593 | - |
| ORFfinder result based on the fusion transcript sequence of in-frame fusion genes. |
| Henst | Tenst | Hgene | Hchr | Hbp | Hstrand | Tgene | Tchr | Tbp | Tstrand | Seq length (transcript) | BP loci (transcript) | Predicted start (transcript) | Predicted stop (transcript) | Seq length (amino acids) |
| DeepORF 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. |
| Henst | Tenst | Hgene | Hchr | Hbp | Hstrand | Tgene | Tchr | Tbp | Tstrand | No-coding score | Coding score |
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Fusion Genomic Features for AP3B2-HOMER2 |
| FusionAI 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. |
| Hgene | Hchr | Hbp | Hstrand | Tgene | Tchr | Tbp | Tstrand | 1-p | p (fusion gene breakpoint) |
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Fusion Protein Features for AP3B2-HOMER2 |
| Four levels of functional features of fusion genes Go to FGviewer search page for the most frequent breakpoint (https://ccsmweb.uth.edu/FGviewer/:83378346/:83561593) - 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. |
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| Main function of each fusion partner protein. (from UniProt) |
| Hgene | Tgene |
| AP3B2 | HOMER2 |
| FUNCTION: Subunit of non-clathrin- and clathrin-associated adaptor protein complex 3 (AP-3) that plays a role in protein sorting in the late-Golgi/trans-Golgi network (TGN) and/or endosomes. The AP complexes mediate both the recruitment of clathrin to membranes and the recognition of sorting signals within the cytosolic tails of transmembrane cargo molecules. AP-3 appears to be involved in the sorting of a subset of transmembrane proteins targeted to lysosomes and lysosome-related organelles. In concert with the BLOC-1 complex, AP-3 is required to target cargos into vesicles assembled at cell bodies for delivery into neurites and nerve terminals. | FUNCTION: Postsynaptic density scaffolding protein. Binds and cross-links cytoplasmic regions of GRM1, GRM5, ITPR1, DNM3, RYR1, RYR2, SHANK1 and SHANK3. By physically linking GRM1 and GRM5 with ER-associated ITPR1 receptors, it aids the coupling of surface receptors to intracellular calcium release. May also couple GRM1 to PI3 kinase through its interaction with AGAP2. Isoforms can be differently regulated and may play an important role in maintaining the plasticity at glutamatergic synapses (PubMed:9808459). Required for normal hearing (PubMed:25816005). Negatively regulates T cell activation by inhibiting the calcineurin-NFAT pathway. Acts by competing with calcineurin/PPP3CA for NFAT protein binding, hence preventing NFAT activation by PPP3CA (PubMed:18218901). {ECO:0000269|PubMed:18218901, ECO:0000269|PubMed:25816005, ECO:0000269|PubMed:9808459}. |
| Retention 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 * 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. |
| Partner | Gene | Hbp | Tbp | ENST | Strand | BPexon | TotalExon | Protein feature loci | *BPloci | TotalLen | Protein feature | Protein feature note |
| - In-frame and not-retained protein feature among the 13 regional features. |
| Partner | Gene | Hbp | Tbp | ENST | Strand | BPexon | TotalExon | Protein feature loci | *BPloci | TotalLen | Protein feature | Protein feature note |
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Fusion Gene Sequence for AP3B2-HOMER2 |
| 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 AP3B2-HOMER2 |
| Go to ChiPPI (Chimeric Protein-Protein interactions) to see the chimeric PPI interaction in |
| Protein-protein interactors with each fusion partner protein in wild-type (BIOGRID-3.4.160) |
| Hgene | Hgene's interactors | Tgene | Tgene's interactors |
| - Retained PPIs in in-frame fusion. |
| Partner | Gene | Hbp | Tbp | ENST | Strand | BPexon | TotalExon | Protein feature loci | *BPloci | TotalLen | Still interaction with |
| - Lost PPIs in in-frame fusion. |
| Partner | Gene | Hbp | Tbp | ENST | Strand | BPexon | TotalExon | Protein feature loci | *BPloci | TotalLen | Interaction lost with |
| - Retained PPIs, but lost function due to frame-shift fusion. |
| Partner | Gene | Hbp | Tbp | ENST | Strand | BPexon | TotalExon | Protein feature loci | *BPloci | TotalLen | Interaction lost with |
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Related Drugs for AP3B2-HOMER2 |
| Drugs targeting genes involved in this fusion gene. (DrugBank Version 5.1.8 2021-05-08) |
| Partner | Gene | UniProtAcc | DrugBank ID | Drug name | Drug activity | Drug type | Drug status |
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Related Diseases for AP3B2-HOMER2 |
| Diseases associated with fusion partners. (DisGeNet 4.0) |
| Partner | Gene | Disease ID | Disease name | # pubmeds | Source |
| Hgene | AP3B2 | C4310637 | EPILEPTIC ENCEPHALOPATHY, EARLY INFANTILE, 48 | 1 | CTD_human;GENOMICS_ENGLAND |
| Tgene | C3711374 | Nonsyndromic Deafness | 2 | CLINGEN | |
| Tgene | C0009171 | Cocaine Abuse | 1 | CTD_human | |
| Tgene | C0036341 | Schizophrenia | 1 | PSYGENET | |
| Tgene | C0236736 | Cocaine-Related Disorders | 1 | CTD_human | |
| Tgene | C0600427 | Cocaine Dependence | 1 | CTD_human | |
| Tgene | C4225240 | DEAFNESS, AUTOSOMAL DOMINANT 68 | 1 | CTD_human;GENOMICS_ENGLAND;UNIPROT |
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