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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: 25350

FusionGeneSummary for OCA2_C20orf203

check button Fusion gene summary
Fusion gene informationFusion gene name: OCA2_C20orf203
Fusion gene ID: 25350
HgeneTgene
Gene symbol

OCA2

C20orf203

Gene ID

4948

284805

Gene nameOCA2 melanosomal transmembrane proteinchromosome 20 open reading frame 203
SynonymsBEY|BEY1|BEY2|BOCA|D15S12|EYCL|EYCL2|EYCL3|HCL3|P|PED|SHEP1-
Cytomap

15q12-q13.1

20q11.21

Type of geneprotein-codingprotein-coding
DescriptionP proteinP-proteineye color 2 (central brown)eye color 3 (brown)hair color 3 (brown)melanocyte-specific transporter proteinoculocutaneous albinism II (pink-eye dilution homolog, mouse)pink-eyed dilution protein homologtotal brown iris pigmentationuncharacterized protein C20orf203alugen
Modification date2018051920180519
UniProtAcc

Q04671

Ensembl transtripts involved in fusion geneENST00000353809, ENST00000354638, 
ENST00000382996, 
ENST00000608990, 
Fusion gene scores* DoF score2 X 2 X 2=82 X 1 X 2=4
# samples 22
** MAII scorelog2(2/8*10)=1.32192809488736log2(2/4*10)=2.32192809488736
Context

PubMed: OCA2 [Title/Abstract] AND C20orf203 [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

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
TCGALDSARCTCGA-FX-A3NK-01AOCA2chr15

28116300

-C20orf203chr20

31239783

-
* 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-5UTRENST00000353809ENST00000608990OCA2chr15

28116300

-C20orf203chr20

31239783

-
5CDS-5UTRENST00000354638ENST00000608990OCA2chr15

28116300

-C20orf203chr20

31239783

-
intron-5UTRENST00000382996ENST00000608990OCA2chr15

28116300

-C20orf203chr20

31239783

-

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FusionProtFeatures for OCA2_C20orf203


check buttonMain function of each fusion partner protein. (from UniProt)
HgeneTgene
OCA2

Q04671

C20orf203

Could be involved in the transport of tyrosine, theprecursor to melanin synthesis, within the melanocyte. Regulatesthe pH of melanosome and the melanosome maturation. One of thecomponents of the mammalian pigmentary system. Seems to regulatethe post-translational processing of tyrosinase, which catalyzesthe limiting reaction in melanin synthesis. May serve as a keycontrol point at which ethnic skin color variation is determined.Major determinant of brown and/or blue eye color.{ECO:0000269|PubMed:11310796, ECO:0000269|PubMed:15262401,ECO:0000269|PubMed:18252222, ECO:0000269|PubMed:22234890,ECO:0000269|PubMed:7601462}. Lectin that binds to various sugars: galactose > mannose= fucose > N-acetylglucosamine > N-acetylgalactosamine(PubMed:10224141). Acts as a chemoattractant, probably involved inthe regulation of cell migration (PubMed:28301481).{ECO:0000269|PubMed:10224141, ECO:0000269|PubMed:28301481}.

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 OCA2_C20orf203


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 OCA2_C20orf203


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
OCA2ATP13A2, HTR3A, CHRNDC20orf203POTEI, CNRIP1


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 OCA2_C20orf203


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 OCA2_C20orf203


check button Diseases associated with fusion partners.
(DisGeNet 4.0)
PartnerGeneDisease IDDisease name# pubmedsSource
HgeneOCA2C0268495Oculocutaneous albinism type 28CTD_human;ORPHANET;UNIPROT