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Center for Computational Systems Medicine
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FusionGeneSummary

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FusionProtFeature

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FusionGeneSequence

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FusionGenePPI

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RelatedDrugs

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RelatedDiseases

Fusion gene ID: 27962

FusionGeneSummary for POLR2A_SMR3B

check button Fusion gene summary
Fusion gene informationFusion gene name: POLR2A_SMR3B
Fusion gene ID: 27962
HgeneTgene
Gene symbol

POLR2A

SMR3B

Gene ID

5430

10879

Gene nameRNA polymerase II subunit Asubmaxillary gland androgen regulated protein 3B
SynonymsPOLR2|POLRA|RPB1|RPBh1|RPO2|RPOL2|RpIILS|hRPB220|hsRPB1P-B|PBII|PRL3|PROL3|SMR1B
Cytomap

17p13.1

4q13.3

Type of geneprotein-codingprotein-coding
DescriptionDNA-directed RNA polymerase II subunit RPB1DNA-directed RNA polymerase II largest subunit, RNA polymerase II 220 kd subunitDNA-directed RNA polymerase II subunit ADNA-directed RNA polymerase III largest subunitRNA polymerase II subunit B1RNA-directedsubmaxillary gland androgen-regulated protein 3Bproline rich 3proline-rich peptide P-Bproline-rich protein 3salivary proline-rich proteinsubmaxillary gland androgen regulated protein 3 homolog B
Modification date2018052320180523
UniProtAcc

P24928

P02814

Ensembl transtripts involved in fusion geneENST00000322644, ENST00000572844, 
ENST00000504825, ENST00000304915, 
Fusion gene scores* DoF score6 X 4 X 4=969 X 8 X 2=144
# samples 73
** MAII scorelog2(7/96*10)=-0.45567948377619
possibly effective Gene in Pan-Cancer Fusion Genes (peGinPCFGs).
DoF>8 and MAII<0
log2(3/144*10)=-2.26303440583379
possibly effective Gene in Pan-Cancer Fusion Genes (peGinPCFGs).
DoF>8 and MAII<0
Context

PubMed: POLR2A [Title/Abstract] AND SMR3B [Title/Abstract] AND fusion [Title/Abstract]

Functional or gene categories assigned by FusionGDB annotation
* 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
HgenePOLR2A

GO:0006366

transcription by RNA polymerase II

9852112

HgenePOLR2A

GO:0033120

positive regulation of RNA splicing

21536736


check button Fusion gene information from three resources
(ChiTars (NAR, 2018), tumorfusions (NAR, 2018), Gao et al. (Cell, 2018))
* 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.
Data typeSourceCancer typeSampleHgeneHchrHbpHstrandTgeneTchrTbpTstrand
TCGALDBRCATCGA-AN-A0G0-01APOLR2Achr17

7417234

+SMR3Bchr4

71255724

+
* LD: Li Ding group's fusion gene list
  RV: Roel Verhaak group's fusion gene list
  ChiTaRs fusion database

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-intronENST00000322644ENST00000504825POLR2Achr17

7417234

+SMR3Bchr4

71255724

+
5CDS-3UTRENST00000322644ENST00000304915POLR2Achr17

7417234

+SMR3Bchr4

71255724

+
intron-intronENST00000572844ENST00000504825POLR2Achr17

7417234

+SMR3Bchr4

71255724

+
intron-3UTRENST00000572844ENST00000304915POLR2Achr17

7417234

+SMR3Bchr4

71255724

+

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FusionProtFeatures for POLR2A_SMR3B


check buttonMain function of each fusion partner protein. (from UniProt)
HgeneTgene
POLR2A

P24928

SMR3B

P02814

DNA-dependent RNA polymerase catalyzes the transcriptionof DNA into RNA using the four ribonucleoside triphosphates assubstrates. Largest and catalytic component of RNA polymerase IIwhich synthesizes mRNA precursors and many functional non-codingRNAs. Forms the polymerase active center together with the secondlargest subunit. Pol II is the central component of the basal RNApolymerase II transcription machinery. It is composed of mobileelements that move relative to each other. RPB1 is part of thecore element with the central large cleft, the clamp element thatmoves to open and close the cleft and the jaws that are thought tograb the incoming DNA template. At the start of transcription, asingle-stranded DNA template strand of the promoter is positionedwithin the central active site cleft of Pol II. A bridging helixemanates from RPB1 and crosses the cleft near the catalytic siteand is thought to promote translocation of Pol II by acting as aratchet that moves the RNA-DNA hybrid through the active site byswitching from straight to bent conformations at each step ofnucleotide addition. During transcription elongation, Pol II moveson the template as the transcript elongates. Elongation isinfluenced by the phosphorylation status of the C-terminal domain(CTD) of Pol II largest subunit (RPB1), which serves as a platformfor assembly of factors that regulate transcription initiation,elongation, termination and mRNA processing. Regulation of geneexpression levels depends on the balance between methylation andacetylation levels of tha CTD-lysines (By similarity). Initiationor early elongation steps of transcription of growth-factors-induced immediate early genes are regulated by the acetylationstatus of the CTD (PubMed:24207025). Methylation and dimethylationhave a repressive effect on target genes expression (Bysimilarity). {ECO:0000250|UniProtKB:P08775,ECO:0000269|PubMed:20231364, ECO:0000269|PubMed:23748380,ECO:0000269|PubMed:24207025, ECO:0000269|PubMed:9852112}. (Microbial infection) Acts as an RNA-dependent RNApolymerase when associated with small delta antigen of Hepatitisdelta virus, acting both as a replicate and transcriptase for theviral RNA circular genome. {ECO:0000269|PubMed:18032511}.

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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FusionGeneSequence for POLR2A_SMR3B


check button For in-frame fusion transcripts, we provide the fusion transcript sequences and fusion amino acid sequences.
(nt: nucleotides, aa: amino acids)

* Fusion amino acid sequences.

* Fusion transcript sequences (only coding sequence (CDS) region).

* Fusion transcript sequences (Full-length transcript).

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FusionGenePPI for POLR2A_SMR3B


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
POLR2ABRCA1, MED21, MDC1, CTDP1, GTF2B, NELFA, TBP, TAF11, GTF2E1, GTF2F1, GTF2H4, SMYD3, MED10, MED9, MED29, MED19, MED28, MED26, CCNL2, TCEA1, CTDSP1, CTDSP2, GTF2E2, NELFE, SMARCB1, SMARCA4, SMARCA2, CDK8, CREBBP, KAT2B, EP300, TCERG1, POLR2H, POLR2L, POLR2C, POLR2E, POLR2G, POLR2F, POLR2K, CCNK, HTATSF1, SUPT5H, ELP3, NR0B2, PCIF1, ZNF74, XAB2, SND1, PIN1, GTF2F2, HNRNPU, PQBP1, CSH2, VHL, EGLN2, EGLN1, NEDD4, UBE2L3, CDC73, MED1, MED30, RECQL5, RPAP2, GPN1, RPAP3, AIRE, PAF1, POLR2B, POLR2I, POLR2J, SSRP1, SUPT6H, IWS1, ATF7IP, CTCF, MEN1, DDX5, AGO1, CDK9, NFKB1, KMT2A, KMT2D, SETD2, CBX3, ITCH, NF1, VDR, RXRA, H2AFX, TAF10, SETD1A, SETD1B, WAC, ESR1, INTS1, INTS3, INTS5, INTS6, ZC3H13, TRIP4, OBFC1, QKI, WDR82, TADA2A, ERCC6, MYC, TAF15, SUB1, CDK7, LEO1, CDKN1A, AFF1, POLR2D, CDC14A, GRB2, CCNT1, XRCC5, INTS10, CPSF3L, ACTB, CABIN1, UBN1, HIRA, PHF8, SMC1A, SMC3, MCM3, MCM7, GTF2I, PCNA, ELAVL1, SIRT7, PSMB9, BRINP1, ZNF326, MLLT1, DHX9, EWSR1, HMGN1, ERCC8, DDB1, GPS1, ERCC4, ERCC3, ERCC5, ERCC1, XPA, RPA1, NEURL4, CUL5, CUL2, DCUN1D1, CAND1, YAP1, U2AF2, PRPF19, CSTF1, CSTF2, CSTF3, CPSF1, CPSF3, CPSF2, POLR2A, GTF2H1, CSNK2A1, MYO6, ILF3, RUVBL2, DCTN2, RPS20, SMEK1, ATP6V1B2, RALBP1, NELFB, CCNH, BARD1, RAD52, MNAT1, NSMF, GTF2A2, MCM2, PPP1CA, HDAC11, DNMT3B, DNMT3A, IRF3, RELA, WWOX, MAP4, EHBP1L1, HNRNPR, MTA2, PPP4R1, WDHD1, SSU72, ERG, HIST1H1C, LGR4, XRN2, IVNS1ABP, ATM, SRC, TCEB3, SMURF1, MOV10, NXF1, USPL1, HIST2H2BE, CUL7, OBSL1, CCDC8, EED, SNAR-B2, GPN3, PIH1D1, RPRD1B, NFKBIA, POLR2M, UNK, EEF1A1, EEF1A2, EEFSEC, GTF3C3, POLR3A, POLR3B, PSMA5, PSMA6, SRRT, SRSF2, SUPT4H1, UBE3B, TTK, CDK2, NTRK1, MBD2, IFI16, MED4, MED20, MED23, TCTN3, CEP128, XPO1, CTR9, NABP1, VWA9, CREB1, NSD1, SMN1, TDRD3, PRMT5, SETX, ZNF131, VCP, EGFR, RNGTT, LMO2, ASB6, CPNE2, SYDE1, UXT, COLQ, MED18, GPR156, WWP2, C7orf60, ZNHIT2, INO80B, URI1, WDR92, SREBF1SMR3BRAD21, UBQLN1, UBTD2, RASSF10, BCHE, TNFRSF19, SNRPF


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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RelatedDrugs for POLR2A_SMR3B


check button Drugs targeting genes involved in this fusion gene.
(DrugBank Version 5.1.0 2018-04-02)
PartnerGeneUniProtAccDrugBank IDDrug nameDrug activityDrug typeDrug status

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RelatedDiseases for POLR2A_SMR3B


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