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Center for Computational Systems Medicine
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Protein Summary

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AS Summary

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Protein Functional Features

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Gene Isoform Structures and Expression Levels

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Protein Structures

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pLDDT Score Distribution

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Ramachandran Plot of Protein Structures

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Potential Active Site Information

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Protein Structure and Feature Comparision

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Protein-Protein Interaction

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Related Drugs

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Related Diseases

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Clinically Important Variants

Protein:FLCN

Protein Summary

check button Gene summary
Gene name: FLCN
ASpdb.0 ID: 201163
Gene
Gene symbol

FLCN

Gene ID

201163

Gene namefolliculin
SynonymsBHD|DENND8B|FLCL
Cytomap

17p11.2

Type of geneprotein-coding
DescriptionfolliculinBHD skin lesion fibrofolliculoma proteinbirt-Hogg-Dube syndrome protein
Modification date20240411
UniProtAcc

Q8NFG4


check button Gene ontology of this gene with evidence of Inferred from Direct Assay (IDA) from Entrez
PartnerGeneGO IDGO termPubMed ID
GeneFLCN

GO:0004857

enzyme inhibitor activity

34381247

GeneFLCN

GO:0005096

GTPase activator activity

24095279|31672913|31704029|32612235|36103527|37079666

GeneFLCN

GO:0005634

nucleus

17028174|18663353

GeneFLCN

GO:0005737

cytoplasm

17028174|18663353|22965878

GeneFLCN

GO:0005765

lysosomal membrane

24081491|24095279|27113757|29848618|31672913

GeneFLCN

GO:0005813

centrosome

23784378

GeneFLCN

GO:0005829

cytosol

24081491|24095279|29848618|31672913

GeneFLCN

GO:0005886

plasma membrane

-

GeneFLCN

GO:0005929

cilium

23784378

GeneFLCN

GO:0009267

cellular response to starvation

24095279|31672913

GeneFLCN

GO:0010508

positive regulation of autophagy

25126726

GeneFLCN

GO:0030496

midbody

22965878

GeneFLCN

GO:0032008

positive regulation of TOR signaling

24081491|24095279|31672913|31704029

GeneFLCN

GO:0032418

lysosome localization

27113757

GeneFLCN

GO:0034198

cellular response to amino acid starvation

24095279|27113757|31672913

GeneFLCN

GO:0035556

intracellular signal transduction

21209915

GeneFLCN

GO:0044291

cell-cell contact zone

22965878

GeneFLCN

GO:0044877

protein-containing complex binding

17028174

GeneFLCN

GO:0045820

negative regulation of glycolytic process

34381247

GeneFLCN

GO:0046578

regulation of Ras protein signal transduction

24081491|24095279|31672913|31704029

GeneFLCN

GO:0072686

mitotic spindle

23784378

GeneFLCN

GO:1904263

positive regulation of TORC1 signaling

32612235|36103527|37079666

GeneFLCN

GO:1905672

negative regulation of lysosome organization

37079666

GeneFLCN

GO:1990877

FNIP-folliculin RagC/D GAP

32612235|36103527



AS Summary

check button Information of the canonical protein with experimentally identified structure from PDB (2023).
UniProt AccFile namePDB IDMethodResolutionChainStartEnd
Q8NFG4-1Q8NFG4-1_6ulg_L.pdb6ULGEM3.31L2568

check button ASpdb's canonical and alternatively spliced isoform information.
accession_idgene_namecanonical_idalternative_idcanonical_lengthalternative_lengthcanonical_startcanonical_endtypeoriginalSEQvariationSEQalternative_startalternative_end
Q8NFG4FLCNQ8NFG4-1Q8NFG4-2579342291342SubstitutionDLEEESESWDNSEAEEEEKAPVLPESTEGRELTQGPAESSSLSGCGSWQPRKGEAGVLLPGPWPGWPWGGTSCLLSWQESLREGNAALNQPRTSLREAHPPISV291342
Q8NFG4FLCNQ8NFG4-1Q8NFG4-2579342343579Deletionnonenone342342
Q8NFG4FLCNQ8NFG4-1Q8NFG4-3579197134197SubstitutionCPGREGPIFFGDEQHGFVFSHTFFIKDSLARGFQRWYSIITIMMDRIYLINSWPFLLGKVRGIISLVATEPVSVGAHMLPGALGGLGASIAQGGRHWSSLRADPQISTAQGTGRLPCPELREESCWTC134197
Q8NFG4FLCNQ8NFG4-1Q8NFG4-3579197198579Deletionnonenone197197

check buttonMultiple sequence alignment of our canonical and alternatively spliced FLCN

check button Matched gene isoform IDs with Ensembl and RefSeq of our canonical and alternative spliced genes of FLCN
UniProt-idENSGENSTENSP
Q8NFG4-1ENSG00000154803.13ENST00000285071.9ENSP00000285071.4
Q8NFG4-2ENSG00000154803.13ENST00000389169.9ENSP00000373821.5

UniProt-idNM IDNP ID
Q8NFG4-1NM_144997.5NP_659434.2
Q8NFG4-1XM_017024308.1XP_016879797.1
Q8NFG4-2NM_144606.5NP_653207.1

check buttonAmino acid sequences of our canonical and alternatively spliced FLCN
accession_idProtein sequence
Q8NFG4-1MNAIVALCHFCELHGPRTLFCTEVLHAPLPQGDGNEDSPGQGEQAEEEEGGIQMNSRMRAHSPAEGASVESSSPGPKKSDMCEGCRSLAA
GHPGYISHDKETSIKYVSHQHPSHPQLFSIVRQACVRSLSCEVCPGREGPIFFGDEQHGFVFSHTFFIKDSLARGFQRWYSIITIMMDRI
YLINSWPFLLGKVRGIIDELQGKALKVFEAEQFGCPQRAQRMNTAFTPFLHQRNGNAARSLTSLTSDDNLWACLHTSFAWLLKACGSRLT
EKLLEGAPTEDTLVQMEKLADLEEESESWDNSEAEEEEKAPVLPESTEGRELTQGPAESSSLSGCGSWQPRKLPVFKSLRHMRQVLGAPS
FRMLAWHVLMGNQVIWKSRDVDLVQSAFEVLRTMLPVGCVRIIPYSSQYEEAYRCNFLGLSPHVQIPPHVLSSEFAVIVEVHAAARSTLH
PVGCEDDQSLSKYEFVVTSGSPVAADRVGPTILNKIEAALTNQNLSVDVVDQCLVCLKEEWMNKVKVLFKFTKVDSRPKEDTQKLLSILG
Q8NFG4-2MNAIVALCHFCELHGPRTLFCTEVLHAPLPQGDGNEDSPGQGEQAEEEEGGIQMNSRMRAHSPAEGASVESSSPGPKKSDMCEGCRSLAA
GHPGYISHDKETSIKYVSHQHPSHPQLFSIVRQACVRSLSCEVCPGREGPIFFGDEQHGFVFSHTFFIKDSLARGFQRWYSIITIMMDRI
YLINSWPFLLGKVRGIIDELQGKALKVFEAEQFGCPQRAQRMNTAFTPFLHQRNGNAARSLTSLTSDDNLWACLHTSFAWLLKACGSRLT
Q8NFG4-3MNAIVALCHFCELHGPRTLFCTEVLHAPLPQGDGNEDSPGQGEQAEEEEGGIQMNSRMRAHSPAEGASVESSSPGPKKSDMCEGCRSLAA
GHPGYISHDKETSIKYVSHQHPSHPQLFSIVRQACVRSLSCEVSLVATEPVSVGAHMLPGALGGLGASIAQGGRHWSSLRADPQISTAQG

Protein Functional Features

check buttonMain function of this protein. (from UniProt)
FLCN (go to UniProt):Q8NFG4

check buttonRetention analysis result of 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.
- Retained protein feature among the 13 regional features.
Accession_idSubsectionStartEndFuncitonal featureSplicing information
Q8NFG4Domain86242Note=UDENN FLCN/SMCR8-type;Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU01178Type=Substitution;Start=134;End=197
Q8NFG4Domain86242Note=UDENN FLCN/SMCR8-type;Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU01178Type=Deletion;Start=198;End=579
Q8NFG4Domain339491Note=CDENN FLCN/SMCR8-type;Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU01178Type=Substitution;Start=291;End=342
Q8NFG4Domain339491Note=CDENN FLCN/SMCR8-type;Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU01178Type=Deletion;Start=343;End=579
Q8NFG4Domain339491Note=CDENN FLCN/SMCR8-type;Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU01178Type=Deletion;Start=198;End=579
Q8NFG4Domain493558Note=DDENN FLCN/SMCR8-type;Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU01178Type=Deletion;Start=343;End=579
Q8NFG4Domain493558Note=DDENN FLCN/SMCR8-type;Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU01178Type=Deletion;Start=198;End=579
Q8NFG4Region210220Note=Essential for interaction with LDHA;Ontology_term=ECO:0000269;evidence=ECO:0000269|PubMed:34381247;Dbxref=PMID:34381247Type=Deletion;Start=198;End=579
Q8NFG4Region294337Note=Disordered;Ontology_term=ECO:0000256;evidence=ECO:0000256|SAM:MobiDB-liteType=Substitution;Start=291;End=342
Q8NFG4Region294337Note=Disordered;Ontology_term=ECO:0000256;evidence=ECO:0000256|SAM:MobiDB-liteType=Deletion;Start=198;End=579
Q8NFG4Coiled coil287310Ontology_term=ECO:0000255;evidence=ECO:0000255Type=Substitution;Start=291;End=342
Q8NFG4Coiled coil287310Ontology_term=ECO:0000255;evidence=ECO:0000255Type=Deletion;Start=198;End=579
Q8NFG4Compositional bias322337Note=Polar residues;Ontology_term=ECO:0000256;evidence=ECO:0000256|SAM:MobiDB-liteType=Substitution;Start=291;End=342
Q8NFG4Compositional bias322337Note=Polar residues;Ontology_term=ECO:0000256;evidence=ECO:0000256|SAM:MobiDB-liteType=Deletion;Start=198;End=579


Gene Isoform Structures and Expression Levels for FLCN

check buttonGene structures of our canonical and alternative spliced genes of FLCN
* Click on the image to open the UCSC genome browser with custom track showing this image in a new window.
gene isoform structure of FLCN

check button Expression levels of gene isoforms across GTEx.
gtex expression

check button Expression levels of gene isoforms across TCGA.
tcga expression


Protein Structures

check button PDB and CIF files of the predicted protein structures
* Here we show the 3D structure of the proteins using Mol*. AlphaFold produces a per-residue confidence score (pLDDT) between 0 and 100. Model confidence is shown from the pLDDT values per residue. pLDDT corresponds to the model’s prediction of its score on the local Distance Difference Test. It is a measure of local accuracy (from AlphfaFold website). To color code individual residues, we transformed individual PDB files into CIF format.
3D view using mol* of Q8NFG4-1
3D view using mol* of Q8NFG4-2
3D view using mol* of Q8NFG4-3


pLDDT Score Distribution

check button pLDDT score distribution of the predicted protein structures from AlphaFold2
* AlphaFold produces a per-residue confidence score (pLDDT) between 0 and 100.
pLDDT distribution across the protein length of Q8NFG4-1
all structure
pLDDT distribution across the protein length of Q8NFG4-2
all structure
pLDDT distribution across the protein length of Q8NFG4-3
all structure


Ramachandran Plot of Protein Structures


check button Ramachandran plot of the torsional angles - phi (φ)and psi (ψ) - of the residues (amino acids) contained in this protein peptide.
Ramachandran plot of Q8NFG4-1
all structure
Ramachandran plot of Q8NFG4-2
all structure

Potential Active Site Information


check button The potential binding sites of these proteins were identified using SiteMap, a module of the Schrodinger suite.
UniProt-idSite scoreSizeD scoreVolumeExposureEnclosureContactPhobicPhilicBalanceDon/AccResidues
Q8NFG4-11.0051361.062415.030.6630.6340.7790.5780.7930.7291.049281,338,339,340,341,342,343,344,345,347,348,349,35
0,382,385,386,388,389,390,392,393,395,397,400,402,
404,500,501,504,505,508
Q8NFG4-20.965990.963262.0520.5660.6510.8380.2731.1110.2461.309161,162,163,164,165,166,212,217,220,221,224,227,22
9,230,232,233,235,236
Q8NFG4-31.0121251.083293.9510.6570.6170.7780.8870.6971.2731.2212,4,23,24,25,114,116,117,119,120,123,170,171,172,1
73,175,176,178,179,180,181,182,183,184,185,187,188
,189,190,192

Protein Structure and Feature Comparision


check button Protein Structure Comparision Using Template Modeling Scores (TM-score).
all structure

check button Protein Structure Comparision Visualization with mol*. between Canonical predicted structure (AF2)(orange) vs Canonical validated structure (PDB)(green)
3D view using mol* of Q8NFG4-1_Q8NFG4-1_6ulg_L.pdb

check button Protein Structure Comparision Visualization with mol*. between Canonical validated structure (PDB)(orange) vs Alternative predicted structure (AF2)(green)
3D view using mol* of Q8NFG4-1_6ulg_L_Q8NFG4-2.pdb
3D view using mol* of Q8NFG4-1_6ulg_L_Q8NFG4-3.pdb

check button Protein Structure Comparision Visualization with mol*. between Canonical predicted structure (AF2)(orange) vs Alternative predicted structure (AF2)(green)
3D view using mol* of Q8NFG4-1_Q8NFG4-2.pdb
3D view using mol* of Q8NFG4-1_Q8NFG4-3.pdb

check button Protein Feature Comparison of the protein sequendary structures among the protiens.
./stats/secondary_structure/figure/Q8NFG4-1_vs_Q8NFG4-2.png
all structure<
./stats/secondary_structure/figure/Q8NFG4-1_vs_Q8NFG4-3.png
all structure<

check button Protein Feature Comparison of the relative accessible surface area (ASA) among the protiens.
./stats/relative_asa/Q8NFG4-1_vs_Q8NFG4-2.png
all structure<
./stats/relative_asa/Q8NFG4-1_vs_Q8NFG4-3.png
all structure<


Protein-Protein Interaction


check button Interactors from UniProt.
Accession_idSubsectionStartEndFuncitonal featureSplicing information
Q8NFG4Region210220Note=Essential for interaction with LDHA;Ontology_term=ECO:0000269;evidence=ECO:0000269|PubMed:34381247;Dbxref=PMID:34381247Type=Deletion;Start=198;End=579


check button Interactors from STRING.
Gene nameInteractors


Related Drugs to FLCN


check button Drugs targeting this gene/protein.
(DrugBank)
UniProt accessionGene nameDrugBank IDDrug nameDrug groupActions

Related Diseases to FLCN


check button Previous studies relating to the alternative splicing of FLCN and disease information from the MeSH term (PubMed)
GenePMIDTitleAbstractMeSH IDMeSH term


Clinically important variants in FLCN


check button (ClinVar, 04/20/2024)
accession_iduniprot_idgene_nameTypeVariantClinical_significance