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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:HFM1-CHAF1B (FusionGDB2 ID:36234)

Fusion Gene Summary for HFM1-CHAF1B

check button Fusion gene summary
Fusion gene informationFusion gene name: HFM1-CHAF1B
Fusion gene ID: 36234
HgeneTgene
Gene symbol

HFM1

CHAF1B

Gene ID

164045

8208

Gene namehelicase for meiosis 1chromatin assembly factor 1 subunit B
SynonymsMER3|POF9|SEC63D1|Si-11|Si-11-6|helicaseCAF-1|CAF-IP60|CAF1|CAF1A|CAF1P60|MPHOSPH7|MPP7
Cytomap

1p22.2

21q22.12-q22.13

Type of geneprotein-codingprotein-coding
Descriptionprobable ATP-dependent DNA helicase HFM1HFM1, ATP dependent DNA helicase homologSEC63 domain-containing protein 1helicase-like protein HFM1chromatin assembly factor 1 subunit BCAF-1 subunit BCAF-I 60 kDa subunitCAF-I p60M-phase phosphoprotein 7chromatin assembly factor I p60 subunithuman chromatin assembly factor-I p60 subunit
Modification date2020032020200313
UniProtAcc

A2PYH4

Q13112

Ensembl transtripts involved in fusion geneENST00000294696, ENST00000370424, 
ENST00000370425, ENST00000462405, 
ENST00000314103, ENST00000480486, 
Fusion gene scores* DoF score7 X 18 X 3=3783 X 3 X 2=18
# samples 104
** MAII scorelog2(10/378*10)=-1.91838623444635
possibly effective Gene in Pan-Cancer Fusion Genes (peGinPCFGs).
DoF>8 and MAII<0
log2(4/18*10)=1.15200309344505
effective Gene in Pan-Cancer Fusion Genes (eGinPCFGs).
DoF>8 and MAII>0
Context

PubMed: HFM1 [Title/Abstract] AND CHAF1B [Title/Abstract] AND fusion [Title/Abstract]

Most frequent breakpointHFM1(91829730)-CHAF1B(37789123), # 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
TgeneCHAF1B

GO:0006335

DNA replication-dependent nucleosome assembly

14718166

TgeneCHAF1B

GO:0031497

chromatin assembly

8858152


check buttonFusion gene breakpoints across HFM1 (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 CHAF1B (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
ChiTaRS5.0N/ABM193576HFM1chr1

91829730

-CHAF1Bchr21

37789123

-


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Fusion Gene ORF analysis for HFM1-CHAF1B

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
intron-3UTRENST00000294696ENST00000314103HFM1chr1

91829730

-CHAF1Bchr21

37789123

-
intron-3UTRENST00000370424ENST00000314103HFM1chr1

91829730

-CHAF1Bchr21

37789123

-
intron-3UTRENST00000370425ENST00000314103HFM1chr1

91829730

-CHAF1Bchr21

37789123

-
intron-3UTRENST00000462405ENST00000314103HFM1chr1

91829730

-CHAF1Bchr21

37789123

-
intron-intronENST00000294696ENST00000480486HFM1chr1

91829730

-CHAF1Bchr21

37789123

-
intron-intronENST00000370424ENST00000480486HFM1chr1

91829730

-CHAF1Bchr21

37789123

-
intron-intronENST00000370425ENST00000480486HFM1chr1

91829730

-CHAF1Bchr21

37789123

-
intron-intronENST00000462405ENST00000480486HFM1chr1

91829730

-CHAF1Bchr21

37789123

-

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 HFM1-CHAF1B


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 HFM1-CHAF1B


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/:91829730/:37789123)
- 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
HFM1

A2PYH4

CHAF1B

Q13112

FUNCTION: Required for crossover formation and complete synapsis of homologous chromosomes during meiosis. {ECO:0000250|UniProtKB:D3Z4R1}.FUNCTION: Complex that is thought to mediate chromatin assembly in DNA replication and DNA repair. Assembles histone octamers onto replicating DNA in vitro. CAF-1 performs the first step of the nucleosome assembly process, bringing newly synthesized histones H3 and H4 to replicating DNA; histones H2A/H2B can bind to this chromatin precursor subsequent to DNA replication to complete the histone octamer. {ECO:0000269|PubMed:9813080}.

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 HFM1-CHAF1B


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 HFM1-CHAF1B


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 HFM1-CHAF1B


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 HFM1-CHAF1B


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