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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:TLR4

Protein Summary

check button Gene summary
Gene name: TLR4
ASpdb.0 ID: 7099
Gene
Gene symbol

TLR4

Gene ID

7099

Gene nametoll like receptor 4
SynonymsARMD10|CD284|TLR-4|TOLL
Cytomap

9q33.1

Type of geneprotein-coding
Descriptiontoll-like receptor 4hTollhomolog of Drosophila tolltoll like receptor 4 protein
Modification date20240416
UniProtAcc

O00206


check button Gene ontology of this gene with evidence of Inferred from Direct Assay (IDA) from Entrez
PartnerGeneGO IDGO termPubMed ID
GeneTLR4

GO:0001875

lipopolysaccharide immune receptor activity

19252480

GeneTLR4

GO:0001891

phagocytic cup

30883606

GeneTLR4

GO:0002224

toll-like receptor signaling pathway

14607928

GeneTLR4

GO:0002755

MyD88-dependent toll-like receptor signaling pathway

20037584

GeneTLR4

GO:0005737

cytoplasm

19740627

GeneTLR4

GO:0005886

plasma membrane

12055629

GeneTLR4

GO:0005886

plasma membrane

11274165|15027902|16338228|19740627|36232715

GeneTLR4

GO:0006909

phagocytosis

30883606

GeneTLR4

GO:0007252

I-kappaB phosphorylation

19740627

GeneTLR4

GO:0009897

external side of plasma membrane

16514062

GeneTLR4

GO:0009986

cell surface

25204797

GeneTLR4

GO:0010008

endosome membrane

18222170

GeneTLR4

GO:0031663

lipopolysaccharide-mediated signaling pathway

10880523

GeneTLR4

GO:0032496

response to lipopolysaccharide

12594207

GeneTLR4

GO:0032496

response to lipopolysaccharide

14607928

GeneTLR4

GO:0032497

detection of lipopolysaccharide

19252480

GeneTLR4

GO:0032722

positive regulation of chemokine production

19740627

GeneTLR4

GO:0032731

positive regulation of interleukin-1 beta production

11432859

GeneTLR4

GO:0032735

positive regulation of interleukin-12 production

15027902

GeneTLR4

GO:0032755

positive regulation of interleukin-6 production

19740627

GeneTLR4

GO:0032757

positive regulation of interleukin-8 production

17951129|19740627|21329689

GeneTLR4

GO:0032760

positive regulation of tumor necrosis factor production

17951129

GeneTLR4

GO:0034142

toll-like receptor 4 signaling pathway

10196138|15618008|18222170

GeneTLR4

GO:0038023

signaling receptor activity

15618008|16751103|18222170

GeneTLR4

GO:0046696

lipopolysaccharide receptor complex

11274165|19252480

GeneTLR4

GO:0048471

perinuclear region of cytoplasm

15027902

GeneTLR4

GO:0051092

positive regulation of NF-kappaB transcription factor activity

12594207

GeneTLR4

GO:0051092

positive regulation of NF-kappaB transcription factor activity

29038465

GeneTLR4

GO:0071222

cellular response to lipopolysaccharide

11432859

GeneTLR4

GO:0071346

cellular response to type II interferon

11672593

GeneTLR4

GO:0140052

cellular response to oxidised low-density lipoprotein particle stimulus

20037584

GeneTLR4

GO:1901224

positive regulation of non-canonical NF-kappaB signal transduction

19740627

GeneTLR4

GO:1903974

positive regulation of cellular response to macrophage colony-stimulating factor stimulus

11672593

GeneTLR4

GO:1904646

cellular response to amyloid-beta

20037584



AS Summary

check button Information of the canonical protein with experimentally identified structure from PDB (2023).
UniProt AccFile namePDB IDMethodResolutionChainStartEnd
O00206-1O00206-1_4g8a_B.pdb4G8AX-ray2.4B23627

check button ASpdb's canonical and alternatively spliced isoform information.
accession_idgene_namecanonical_idalternative_idcanonical_lengthalternative_lengthcanonical_startcanonical_endtypeoriginalSEQvariationSEQalternative_startalternative_end
O00206TLR4O00206-1O00206-2839799140Deletionnonenone00
O00206TLR4O00206-1O00206-38396391200Deletionnonenone00

check buttonMultiple sequence alignment of our canonical and alternatively spliced TLR4

check button Matched gene isoform IDs with Ensembl and RefSeq of our canonical and alternative spliced genes of TLR4
UniProt-idENSGENSTENSP
O00206-1ENSG00000136869.16ENST00000355622.8ENSP00000363089.5
O00206-2ENSG00000136869.16ENST00000394487.5ENSP00000377997.4

UniProt-idNM IDNP ID
O00206-1NM_138554.4NP_612564.1
O00206-2NM_003266.3NP_003257.1
O00206-3NM_138557.2NP_612567.1

check buttonAmino acid sequences of our canonical and alternatively spliced TLR4
accession_idProtein sequence
O00206-1MMSASRLAGTLIPAMAFLSCVRPESWEPCVEVVPNITYQCMELNFYKIPDNLPFSTKNLDLSFNPLRHLGSYSFFSFPELQVLDLSRCEI
QTIEDGAYQSLSHLSTLILTGNPIQSLALGAFSGLSSLQKLVAVETNLASLENFPIGHLKTLKELNVAHNLIQSFKLPEYFSNLTNLEHL
DLSSNKIQSIYCTDLRVLHQMPLLNLSLDLSLNPMNFIQPGAFKEIRLHKLTLRNNFDSLNVMKTCIQGLAGLEVHRLVLGEFRNEGNLE
KFDKSALEGLCNLTIEEFRLAYLDYYLDDIIDLFNCLTNVSSFSLVSVTIERVKDFSYNFGWQHLELVNCKFGQFPTLKLKSLKRLTFTS
NKGGNAFSEVDLPSLEFLDLSRNGLSFKGCCSQSDFGTTSLKYLDLSFNGVITMSSNFLGLEQLEHLDFQHSNLKQMSEFSVFLSLRNLI
YLDISHTHTRVAFNGIFNGLSSLEVLKMAGNSFQENFLPDIFTELRNLTFLDLSQCQLEQLSPTAFNSLSSLQVLNMSHNNFFSLDTFPY
KCLNSLQVLDYSLNHIMTSKKQELQHFPSSLAFLNLTQNDFACTCEHQSFLQWIKDQRQLLVEVERMECATPSDKQGMPVLSLNITCQMN
KTIIGVSVLSVLVVSVVAVLVYKFYFHLMLLAGCIKYGRGENIYDAFVIYSSQDEDWVRNELVKNLEEGVPPFQLCLHYRDFIPGVAIAA
NIIHEGFHKSRKVIVVVSQHFIQSRWCIFEYEIAQTWQFLSSRAGIIFIVLQKVEKTLLRQQVELYRLLSRNTYLEWEDSVLGRHIFWRR
O00206-2MELNFYKIPDNLPFSTKNLDLSFNPLRHLGSYSFFSFPELQVLDLSRCEIQTIEDGAYQSLSHLSTLILTGNPIQSLALGAFSGLSSLQK
LVAVETNLASLENFPIGHLKTLKELNVAHNLIQSFKLPEYFSNLTNLEHLDLSSNKIQSIYCTDLRVLHQMPLLNLSLDLSLNPMNFIQP
GAFKEIRLHKLTLRNNFDSLNVMKTCIQGLAGLEVHRLVLGEFRNEGNLEKFDKSALEGLCNLTIEEFRLAYLDYYLDDIIDLFNCLTNV
SSFSLVSVTIERVKDFSYNFGWQHLELVNCKFGQFPTLKLKSLKRLTFTSNKGGNAFSEVDLPSLEFLDLSRNGLSFKGCCSQSDFGTTS
LKYLDLSFNGVITMSSNFLGLEQLEHLDFQHSNLKQMSEFSVFLSLRNLIYLDISHTHTRVAFNGIFNGLSSLEVLKMAGNSFQENFLPD
IFTELRNLTFLDLSQCQLEQLSPTAFNSLSSLQVLNMSHNNFFSLDTFPYKCLNSLQVLDYSLNHIMTSKKQELQHFPSSLAFLNLTQND
FACTCEHQSFLQWIKDQRQLLVEVERMECATPSDKQGMPVLSLNITCQMNKTIIGVSVLSVLVVSVVAVLVYKFYFHLMLLAGCIKYGRG
ENIYDAFVIYSSQDEDWVRNELVKNLEEGVPPFQLCLHYRDFIPGVAIAANIIHEGFHKSRKVIVVVSQHFIQSRWCIFEYEIAQTWQFL
O00206-3MPLLNLSLDLSLNPMNFIQPGAFKEIRLHKLTLRNNFDSLNVMKTCIQGLAGLEVHRLVLGEFRNEGNLEKFDKSALEGLCNLTIEEFRL
AYLDYYLDDIIDLFNCLTNVSSFSLVSVTIERVKDFSYNFGWQHLELVNCKFGQFPTLKLKSLKRLTFTSNKGGNAFSEVDLPSLEFLDL
SRNGLSFKGCCSQSDFGTTSLKYLDLSFNGVITMSSNFLGLEQLEHLDFQHSNLKQMSEFSVFLSLRNLIYLDISHTHTRVAFNGIFNGL
SSLEVLKMAGNSFQENFLPDIFTELRNLTFLDLSQCQLEQLSPTAFNSLSSLQVLNMSHNNFFSLDTFPYKCLNSLQVLDYSLNHIMTSK
KQELQHFPSSLAFLNLTQNDFACTCEHQSFLQWIKDQRQLLVEVERMECATPSDKQGMPVLSLNITCQMNKTIIGVSVLSVLVVSVVAVL
VYKFYFHLMLLAGCIKYGRGENIYDAFVIYSSQDEDWVRNELVKNLEEGVPPFQLCLHYRDFIPGVAIAANIIHEGFHKSRKVIVVVSQH
FIQSRWCIFEYEIAQTWQFLSSRAGIIFIVLQKVEKTLLRQQVELYRLLSRNTYLEWEDSVLGRHIFWRRLRKALLDGKSWNPEGTVGTG

Protein Functional Features

check buttonMain function of this protein. (from UniProt)
TLR4 (go to UniProt):O00206

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
O00206Topological domain24631Note=Extracellular;Ontology_term=ECO:0000255;evidence=ECO:0000255Type=Deletion;Start=1;End=40
O00206Topological domain24631Note=Extracellular;Ontology_term=ECO:0000255;evidence=ECO:0000255Type=Deletion;Start=1;End=200
O00206Repeat5576Note=LRR 1Type=Deletion;Start=1;End=200
O00206Repeat79100Note=LRR 2Type=Deletion;Start=1;End=200
O00206Repeat103124Note=LRR 3Type=Deletion;Start=1;End=200
O00206Repeat127148Note=LRR 4Type=Deletion;Start=1;End=200
O00206Repeat151172Note=LRR 5Type=Deletion;Start=1;End=200
O00206Repeat176199Note=LRR 6Type=Deletion;Start=1;End=200


Gene Isoform Structures and Expression Levels for TLR4

check buttonGene structures of our canonical and alternative spliced genes of TLR4
* Click on the image to open the UCSC genome browser with custom track showing this image in a new window.
gene isoform structure of TLR4

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 O00206-1
3D view using mol* of O00206-2
3D view using mol* of O00206-3


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 O00206-1
all structure
pLDDT distribution across the protein length of O00206-2
all structure
pLDDT distribution across the protein length of O00206-3
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 O00206-1
all structure
Ramachandran plot of O00206-2
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
O00206-10.9811011.017225.3510.5980.640.8410.4650.9420.4941.814664,667,668,669,670,671,672,724,727,728,729,730,73
1,732,733,757,760,761,763,764
O00206-20.928770.945262.7380.5670.6780.9440.7430.8790.8451.559624,627,628,629,630,632,684,687,688,689,690,691,71
7,721,723,724
O00206-30.979931.041222.950.6220.6110.8080.5810.7140.8141.696464,465,467,468,469,470,472,524,528,529,530,531,55
7,560,561,563,564

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 O00206-1_O00206-1_4g8a_B.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 O00206-1_4g8a_B_O00206-2.pdb
3D view using mol* of O00206-1_4g8a_B_O00206-3.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 O00206-1_O00206-2.pdb
3D view using mol* of O00206-1_O00206-3.pdb

check button Protein Feature Comparison of the protein sequendary structures among the protiens.
./stats/secondary_structure/figure/O00206-1_vs_O00206-2.png
all structure<
./stats/secondary_structure/figure/O00206-1_vs_O00206-3.png
all structure<

check button Protein Feature Comparison of the relative accessible surface area (ASA) among the protiens.
./stats/relative_asa/O00206-1_vs_O00206-2.png
all structure<
./stats/relative_asa/O00206-1_vs_O00206-3.png
all structure<


Protein-Protein Interaction


check button Interactors from UniProt.
Accession_idSubsectionStartEndFuncitonal featureSplicing information


check button Interactors from STRING.
Gene nameInteractors


Related Drugs to TLR4


check button Drugs targeting this gene/protein.
(DrugBank)
UniProt accessionGene nameDrugBank IDDrug nameDrug groupActions
O00206TLR4DB01183Naloxoneapproved, vet_approvedinhibitor
O00206TLR4DB06447E5531investigational
O00206TLR4DB04933Eritoraninvestigational
O00206TLR4DB13615Mifamurtideapproved, experimentalligand
O00206TLR4DB05475Golotimodinvestigational
O00206TLR4DB08231Myristic acidexperimental
O00206TLR4DB00924Cyclobenzaprineapprovedinhibitor
O00206TLR4DB02767(R)-3-hydroxytetradecanoic acidexperimental
O00206TLR4DB11193Papainapprovedactivator
O00206TLR4DB03017Lauric acidapproved, experimental

Related Diseases to TLR4


check button Previous studies relating to the alternative splicing of TLR4 and disease information from the MeSH term (PubMed)
GenePMIDTitleAbstractMeSH IDMeSH term


Clinically important variants in TLR4


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