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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:CYP51A1-KRIT1

Fusion Gene and Fusion Protein Summary

check button Fusion gene summary
Fusion partner gene informationFusion gene name: CYP51A1-KRIT1
FusionPDB ID: 21113
FusionGDB2.0 ID: 21113
HgeneTgene
Gene symbol

CYP51A1

KRIT1

Gene ID

1595

889

Gene namecytochrome P450 family 51 subfamily A member 1KRIT1 ankyrin repeat containing
SynonymsCP51|CYP51|CYPL1|LDM|P450-14DM|P450L1CAM|CCM1
Cytomap

7q21.2

7q21.2

Type of geneprotein-codingprotein-coding
Descriptionlanosterol 14-alpha demethylaseCYPLIcytochrome P450 51A1cytochrome P450, 51 (lanosterol 14-alpha-demethylase)cytochrome P450, family 51, subfamily A, polypeptide 1cytochrome P450-14DMcytochrome P45014DMcytochrome P450LIsterol 14-alpha demethylasekrev interaction trapped protein 1ankyrin repeat-containing protein Krit1cerebral cavernous malformations 1 proteinkrev interaction trapped 1
Modification date2020031320200313
UniProtAcc

Q16850

Main function of 5'-partner protein: FUNCTION: A cytochrome P450 monooxygenase involved in sterol biosynthesis. Catalyzes 14-alpha demethylation of lanosterol and 24,25-dihydrolanosterol likely through sequential oxidative conversion of 14-alpha methyl group to hydroxymethyl, then to carboxylaldehyde, followed by the formation of the delta 14,15 double bond in the sterol core and concomitant release of formic acid (PubMed:20149798, PubMed:8619637). Mechanistically, uses molecular oxygen inserting one oxygen atom into a substrate, and reducing the second into a water molecule, with two electrons provided by NADPH via cytochrome P450 reductase (CPR; NADPH-ferrihemoprotein reductase) (PubMed:20149798, PubMed:8619637). {ECO:0000269|PubMed:20149798, ECO:0000269|PubMed:8619637}.

O00522

Main function of 5'-partner protein: FUNCTION: Component of the CCM signaling pathway which is a crucial regulator of heart and vessel formation and integrity (By similarity). Negative regulator of angiogenesis. Inhibits endothelial proliferation, apoptosis, migration, lumen formation and sprouting angiogenesis in primary endothelial cells. Promotes AKT phosphorylation in a NOTCH-dependent and independent manner, and inhibits ERK1/2 phosphorylation indirectly through activation of the DELTA-NOTCH cascade. Acts in concert with CDH5 to establish and maintain correct endothelial cell polarity and vascular lumen and these effects are mediated by recruitment and activation of the Par polarity complex and RAP1B. Required for the localization of phosphorylated PRKCZ, PARD3, TIAM1 and RAP1B to the cell junction, and cell junction stabilization. Plays a role in integrin signaling via its interaction with ITGB1BP1; this prevents the interaction between ITGB1 and ITGB1BP1. Microtubule-associated protein that binds to phosphatidylinositol 4,5-bisphosphate (PIP2)-containing membranes in a GTP-bound RAP1-dependent manner. Plays an important role in the maintenance of the intracellular reactive oxygen species (ROS) homeostasis to prevent oxidative cellular damage. Regulates the homeostasis of intracellular ROS through an antioxidant pathway involving FOXO1 and SOD2. Facilitates the down-regulation of cyclin-D1 (CCND1) levels required for cell transition from proliferative growth to quiescence by preventing the accumulation of intracellular ROS through the modulation of FOXO1 and SOD2 levels. {ECO:0000250|UniProtKB:Q6S5J6, ECO:0000269|PubMed:11741838, ECO:0000269|PubMed:17916086, ECO:0000269|PubMed:20332120, ECO:0000269|PubMed:20616044, ECO:0000269|PubMed:20668652, ECO:0000269|PubMed:21633110, ECO:0000269|PubMed:23317506}.
Ensembl transtripts involved in fusion geneENST idsENST00000003100, ENST00000450723, 
ENST00000466166, ENST00000340022, 
ENST00000394503, ENST00000394505, 
ENST00000394507, ENST00000412043, 
Fusion gene scores for assessment (based on all fusion genes of FusionGDB 2.0)* DoF score4 X 5 X 4=803 X 3 X 3=27
# samples 43
** MAII scorelog2(4/80*10)=-1
possibly effective Gene in Pan-Cancer Fusion Genes (peGinPCFGs).
DoF>8 and MAII<0
log2(3/27*10)=0.15200309344505
effective Gene in Pan-Cancer Fusion Genes (eGinPCFGs).
DoF>8 and MAII>0
Fusion gene context

PubMed: CYP51A1 [Title/Abstract] AND KRIT1 [Title/Abstract] AND fusion [Title/Abstract]

Fusion neoantigen context

PubMed: CYP51A1 [Title/Abstract] AND KRIT1 [Title/Abstract] AND neoantigen [Title/Abstract]

Most frequent breakpoint (based on all fusion genes of FusionGDB 2.0)CYP51A1(91755566)-KRIT1(91864960), # samples:1
Anticipated loss of major functional domain due to fusion event.CYP51A1-KRIT1 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.
CYP51A1-KRIT1 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.
CYP51A1-KRIT1 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.
CYP51A1-KRIT1 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.
CYP51A1-KRIT1 seems lost the major protein functional domain in Hgene partner, which is a essential gene due to the frame-shifted ORF.
CYP51A1-KRIT1 seems lost the major protein functional domain in Hgene partner, which is a IUPHAR drug target due to the frame-shifted ORF.
CYP51A1-KRIT1 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)

check button Gene ontology of each fusion partner gene with evidence of Inferred from Direct Assay (IDA) from Entrez
PartnerGeneGO IDGO termPubMed ID
HgeneCYP51A1

GO:0006694

steroid biosynthetic process

20149798



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/chr7:91755566/chr7:91864960)
- 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 CYP51A1 (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 KRIT1 (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)
ENST00000003100CYP51A1chr791755566-ENST00000394507KRIT1chr791864960-44299361662661831
ENST00000003100CYP51A1chr791755566-ENST00000340022KRIT1chr791864960-39859361662661831
ENST00000003100CYP51A1chr791755566-ENST00000412043KRIT1chr791864960-30409361662661831
ENST00000003100CYP51A1chr791755566-ENST00000394505KRIT1chr791864960-30409361662661831
ENST00000003100CYP51A1chr791755566-ENST00000394503KRIT1chr791864960-28819361662517783

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
ENST00000003100ENST00000394507CYP51A1chr791755566-KRIT1chr791864960-0.0001200290.99987996
ENST00000003100ENST00000340022CYP51A1chr791755566-KRIT1chr791864960-0.0001364730.9998635
ENST00000003100ENST00000412043CYP51A1chr791755566-KRIT1chr791864960-0.0003119280.99968815
ENST00000003100ENST00000394505CYP51A1chr791755566-KRIT1chr791864960-0.0003119280.99968815
ENST00000003100ENST00000394503CYP51A1chr791755566-KRIT1chr791864960-0.0003522040.99964774

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 CYP51A1-KRIT1

check button +/-13 AA sequence from the breakpoints of the fusion protein sequences.
HgeneHchrHbpTgeneTchrTbpLength(fusion protein)BP in fusion proteinPeptide
CYP51A1chr791755566KRIT1chr791864960936256AWLLPGWLPLPSFRWLDERHAQSHFI

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Potential FusionNeoAntigen Information of CYP51A1-KRIT1 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.
CYP51A1-KRIT1_91755566_91864960.msa

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)
CYP51A1-KRIT1chr791755566chr791864960936HLA-B53:01LPLPSFRW0.98480.538715
CYP51A1-KRIT1chr791755566chr791864960936HLA-B39:06FRWLDERHA0.98360.79761221
CYP51A1-KRIT1chr791755566chr791864960936HLA-B35:03LPLPSFRWL0.96230.8851716
CYP51A1-KRIT1chr791755566chr791864960936HLA-B51:01LPLPSFRWL0.94450.5073716
CYP51A1-KRIT1chr791755566chr791864960936HLA-A31:02GWLPLPSFR0.9380.775514
CYP51A1-KRIT1chr791755566chr791864960936HLA-B35:05LPLPSFRWL0.90850.651716
CYP51A1-KRIT1chr791755566chr791864960936HLA-B51:02LPLPSFRWL0.89150.5886716
CYP51A1-KRIT1chr791755566chr791864960936HLA-A31:06GWLPLPSFR0.88660.6039514
CYP51A1-KRIT1chr791755566chr791864960936HLA-B35:04LPLPSFRWL0.88010.9558716
CYP51A1-KRIT1chr791755566chr791864960936HLA-B35:02LPLPSFRWL0.88010.9558716
CYP51A1-KRIT1chr791755566chr791864960936HLA-B81:01LPLPSFRWL0.20430.6829716
CYP51A1-KRIT1chr791755566chr791864960936HLA-B82:01LPLPSFRWL0.10080.7169716
CYP51A1-KRIT1chr791755566chr791864960936HLA-A24:23GWLPLPSFRW0.99550.7148515
CYP51A1-KRIT1chr791755566chr791864960936HLA-A24:20GWLPLPSFRW0.99520.7822515
CYP51A1-KRIT1chr791755566chr791864960936HLA-A24:15GWLPLPSFRW0.99430.7835515
CYP51A1-KRIT1chr791755566chr791864960936HLA-A24:25GWLPLPSFRW0.99380.7821515
CYP51A1-KRIT1chr791755566chr791864960936HLA-A24:31GWLPLPSFRW0.99320.7952515
CYP51A1-KRIT1chr791755566chr791864960936HLA-A23:05GWLPLPSFRW0.99230.5727515
CYP51A1-KRIT1chr791755566chr791864960936HLA-A24:17GWLPLPSFRW0.98950.679515
CYP51A1-KRIT1chr791755566chr791864960936HLA-A23:04GWLPLPSFRW0.98630.655515
CYP51A1-KRIT1chr791755566chr791864960936HLA-A24:10GWLPLPSFRW0.97610.6209515
CYP51A1-KRIT1chr791755566chr791864960936HLA-A31:08GWLPLPSFRW0.96620.777515
CYP51A1-KRIT1chr791755566chr791864960936HLA-B73:01FRWLDERHA0.99290.75851221
CYP51A1-KRIT1chr791755566chr791864960936HLA-A31:01GWLPLPSFR0.95640.7619514
CYP51A1-KRIT1chr791755566chr791864960936HLA-B51:07LPLPSFRWL0.94030.826716
CYP51A1-KRIT1chr791755566chr791864960936HLA-B78:01LPLPSFRWL0.940.6611716
CYP51A1-KRIT1chr791755566chr791864960936HLA-B56:04LPLPSFRWL0.91130.5145716
CYP51A1-KRIT1chr791755566chr791864960936HLA-B42:02LPLPSFRWL0.90140.8683716
CYP51A1-KRIT1chr791755566chr791864960936HLA-B35:12LPLPSFRWL0.88010.9558716
CYP51A1-KRIT1chr791755566chr791864960936HLA-B42:01LPLPSFRWL0.84950.862716
CYP51A1-KRIT1chr791755566chr791864960936HLA-B07:12LPLPSFRWL0.81560.5821716
CYP51A1-KRIT1chr791755566chr791864960936HLA-B39:10LPLPSFRWL0.64010.9265716
CYP51A1-KRIT1chr791755566chr791864960936HLA-A24:02GWLPLPSFRW0.99520.7822515
CYP51A1-KRIT1chr791755566chr791864960936HLA-A23:01GWLPLPSFRW0.99140.5734515
CYP51A1-KRIT1chr791755566chr791864960936HLA-B53:02LPLPSFRW0.98660.5528715
CYP51A1-KRIT1chr791755566chr791864960936HLA-B51:06LPLPSFRW0.90570.6266715
CYP51A1-KRIT1chr791755566chr791864960936HLA-B35:13LPLPSFRWL0.96270.8918716
CYP51A1-KRIT1chr791755566chr791864960936HLA-B55:04LPLPSFRWL0.960.685716
CYP51A1-KRIT1chr791755566chr791864960936HLA-B78:02LPLPSFRWL0.95290.6833716
CYP51A1-KRIT1chr791755566chr791864960936HLA-B59:01LPLPSFRWL0.95110.709716
CYP51A1-KRIT1chr791755566chr791864960936HLA-B35:22LPLPSFRWL0.94350.5531716
CYP51A1-KRIT1chr791755566chr791864960936HLA-B35:17LPLPSFRWL0.91760.7557716
CYP51A1-KRIT1chr791755566chr791864960936HLA-B35:30LPLPSFRWL0.91760.7557716
CYP51A1-KRIT1chr791755566chr791864960936HLA-B56:02LPLPSFRWL0.91130.5145716
CYP51A1-KRIT1chr791755566chr791864960936HLA-B35:09LPLPSFRWL0.88010.9558716
CYP51A1-KRIT1chr791755566chr791864960936HLA-B15:13WLPLPSFRW0.80940.9718615
CYP51A1-KRIT1chr791755566chr791864960936HLA-B67:01LPLPSFRWL0.71690.9038716
CYP51A1-KRIT1chr791755566chr791864960936HLA-B82:02LPLPSFRWL0.10080.7169716
CYP51A1-KRIT1chr791755566chr791864960936HLA-A24:03GWLPLPSFRW0.99550.7148515

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Potential FusionNeoAntigen Information of CYP51A1-KRIT1 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.
CYP51A1-KRIT1_91755566_91864960.msa

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)
CYP51A1-KRIT1chr791755566chr791864960936DRB1-1609LPSFRWLDERHAQSH924

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Fusion breakpoint peptide structures of CYP51A1-KRIT1

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.
File nameBPseqHgeneTgeneHchrHbpTchrTbpAAlen
10504WLPLPSFRWLDERHCYP51A1KRIT1chr791755566chr791864960936

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Filtering FusionNeoAntigens Through Checking the Interaction with HLAs in 3D of CYP51A1-KRIT1

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
HLA-B14:023BVN10504WLPLPSFRWLDERH-7.4838-7.5956
HLA-B14:023BVN10504WLPLPSFRWLDERH-3.16066-4.20376
HLA-B52:013W3910504WLPLPSFRWLDERH-6.93679-7.04859
HLA-B52:013W3910504WLPLPSFRWLDERH-6.10064-7.14374
HLA-A11:014UQ210504WLPLPSFRWLDERH-7.21307-7.32487
HLA-A24:025HGA10504WLPLPSFRWLDERH-6.56769-6.67949
HLA-A24:025HGA10504WLPLPSFRWLDERH-4.65311-5.69621
HLA-B44:053DX810504WLPLPSFRWLDERH-6.68002-6.79182
HLA-B44:053DX810504WLPLPSFRWLDERH-3.22493-4.26803

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Vaccine Design for the FusionNeoAntigens of CYP51A1-KRIT1

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
CYP51A1-KRIT1chr791755566chr7918649601221FRWLDERHACAGGTGGTTAGATGAACGTCATGCACA
CYP51A1-KRIT1chr791755566chr791864960514GWLPLPSFRTTGGCTGCCTTTGCCTAGTTTCAGGTG
CYP51A1-KRIT1chr791755566chr791864960515GWLPLPSFRWTTGGCTGCCTTTGCCTAGTTTCAGGTGGTT
CYP51A1-KRIT1chr791755566chr791864960615WLPLPSFRWGCTGCCTTTGCCTAGTTTCAGGTGGTT
CYP51A1-KRIT1chr791755566chr791864960715LPLPSFRWGCCTTTGCCTAGTTTCAGGTGGTT
CYP51A1-KRIT1chr791755566chr791864960716LPLPSFRWLGCCTTTGCCTAGTTTCAGGTGGTTAGA

check button mRNA and peptide sequences of FusionNeoAntigens that have potential interaction with HLA-IIs.
Fusion geneHchrHbpTchrTbpStart in +/-13AAEnd in +/-13AAFusionNeoAntigen peptideFusionNEoAntigen RNA sequence
CYP51A1-KRIT1chr791755566chr791864960924LPSFRWLDERHAQSHGCCTAGTTTCAGGTGGTTAGATGAACGTCATGCACAATCTCACTT

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Information of the samples that have these potential fusion neoantigens of CYP51A1-KRIT1

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
Non-CancerCYP51A1-KRIT1chr791755566ENST00000003100chr791864960ENST000003400225357N

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Potential target of CAR-T therapy development for CYP51A1-KRIT1

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
HgeneCYP51A1chr7:91755566chr7:91864960ENST00000003100-51024_44256510.0TransmembraneHelical
HgeneCYP51A1chr7:91755566chr7:91864960ENST00000450723-51024_44151405.0TransmembraneHelical

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 CYP51A1-KRIT1

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 CYP51A1-KRIT1

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