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- PDB-6kya: Crystal structure of human TLR8 in complex TH1027 -

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Basic information

Entry
Database: PDB / ID: 6kya
TitleCrystal structure of human TLR8 in complex TH1027
ComponentsToll-like receptor 8
KeywordsIMMUNE SYSTEM
Function / homology
Function and homology information


Toll Like Receptor 7/8 (TLR7/8) Cascade / toll-like receptor 8 signaling pathway / negative regulation of interleukin-12 production / endolysosome membrane / positive regulation of innate immune response / Trafficking and processing of endosomal TLR / pattern recognition receptor activity / toll-like receptor signaling pathway / immunoglobulin mediated immune response / canonical NF-kappaB signal transduction ...Toll Like Receptor 7/8 (TLR7/8) Cascade / toll-like receptor 8 signaling pathway / negative regulation of interleukin-12 production / endolysosome membrane / positive regulation of innate immune response / Trafficking and processing of endosomal TLR / pattern recognition receptor activity / toll-like receptor signaling pathway / immunoglobulin mediated immune response / canonical NF-kappaB signal transduction / positive regulation of interferon-alpha production / positive regulation of interferon-beta production / positive regulation of interleukin-1 beta production / positive regulation of interleukin-8 production / regulation of protein phosphorylation / response to virus / cellular response to mechanical stimulus / positive regulation of interleukin-6 production / positive regulation of type II interferon production / double-stranded RNA binding / signaling receptor activity / defense response to virus / single-stranded RNA binding / endosome membrane / inflammatory response / external side of plasma membrane / Golgi membrane / innate immune response / endoplasmic reticulum membrane / SARS-CoV-2 activates/modulates innate and adaptive immune responses / DNA binding / RNA binding / identical protein binding / plasma membrane
Similarity search - Function
TIR domain / Cysteine-rich flanking region, C-terminal / Leucine rich repeat C-terminal domain / Toll - interleukin 1 - resistance / Leucine-rich repeat, LRR (right-handed beta-alpha superhelix) / Ribonuclease Inhibitor / Leucine-rich repeat, SDS22-like subfamily / TIR domain profile. / Toll/interleukin-1 receptor homology (TIR) domain / Toll/interleukin-1 receptor homology (TIR) domain superfamily ...TIR domain / Cysteine-rich flanking region, C-terminal / Leucine rich repeat C-terminal domain / Toll - interleukin 1 - resistance / Leucine-rich repeat, LRR (right-handed beta-alpha superhelix) / Ribonuclease Inhibitor / Leucine-rich repeat, SDS22-like subfamily / TIR domain profile. / Toll/interleukin-1 receptor homology (TIR) domain / Toll/interleukin-1 receptor homology (TIR) domain superfamily / Alpha-Beta Horseshoe / Leucine rich repeat / Leucine-rich repeat, typical subtype / Leucine-rich repeats, typical (most populated) subfamily / Leucine-rich repeat profile. / Leucine-rich repeat / Leucine-rich repeat domain superfamily / Alpha Beta
Similarity search - Domain/homology
Chem-DY3 / Toll-like receptor 8
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.89 Å
AuthorsTanji, H. / Sakaniwa, K. / Ohto, U. / Shimizu, T.
CitationJournal: J.Med.Chem. / Year: 2020
Title: Rationally Designed Small-Molecule Inhibitors Targeting an Unconventional Pocket on the TLR8 Protein-Protein Interface.
Authors: Jiang, S. / Tanji, H. / Yin, K. / Zhang, S. / Sakaniwa, K. / Huang, J. / Yang, Y. / Li, J. / Ohto, U. / Shimizu, T. / Yin, H.
History
DepositionSep 17, 2019Deposition site: PDBJ / Processing site: PDBJ
Revision 1.0May 27, 2020Provider: repository / Type: Initial release
Revision 2.0Jul 29, 2020Group: Atomic model / Data collection ...Atomic model / Data collection / Derived calculations / Structure summary
Category: atom_site / chem_comp ...atom_site / chem_comp / entity / pdbx_branch_scheme / pdbx_chem_comp_identifier / pdbx_entity_branch / pdbx_entity_branch_descriptor / pdbx_entity_branch_link / pdbx_entity_branch_list / pdbx_entity_nonpoly / pdbx_nonpoly_scheme / pdbx_struct_assembly_gen / struct_asym / struct_conn / struct_site / struct_site_gen
Item: _atom_site.B_iso_or_equiv / _atom_site.Cartn_x ..._atom_site.B_iso_or_equiv / _atom_site.Cartn_x / _atom_site.Cartn_y / _atom_site.Cartn_z / _atom_site.auth_asym_id / _atom_site.auth_atom_id / _atom_site.auth_comp_id / _atom_site.auth_seq_id / _atom_site.label_asym_id / _atom_site.label_atom_id / _atom_site.label_comp_id / _atom_site.label_entity_id / _atom_site.type_symbol / _chem_comp.name / _pdbx_struct_assembly_gen.asym_id_list / _struct_conn.pdbx_role / _struct_conn.ptnr1_auth_asym_id / _struct_conn.ptnr1_auth_seq_id / _struct_conn.ptnr1_label_asym_id / _struct_conn.ptnr2_auth_asym_id / _struct_conn.ptnr2_auth_seq_id / _struct_conn.ptnr2_label_asym_id
Description: Carbohydrate remediation / Provider: repository / Type: Remediation
Revision 2.1Nov 22, 2023Group: Data collection / Database references ...Data collection / Database references / Derived calculations / Refinement description / Structure summary
Category: chem_comp / chem_comp_atom ...chem_comp / chem_comp_atom / chem_comp_bond / database_2 / pdbx_initial_refinement_model / struct_conn / struct_ncs_dom_lim
Item: _chem_comp.pdbx_synonyms / _database_2.pdbx_DOI ..._chem_comp.pdbx_synonyms / _database_2.pdbx_DOI / _database_2.pdbx_database_accession / _struct_conn.pdbx_leaving_atom_flag / _struct_ncs_dom_lim.beg_auth_comp_id / _struct_ncs_dom_lim.beg_label_asym_id / _struct_ncs_dom_lim.beg_label_comp_id / _struct_ncs_dom_lim.beg_label_seq_id / _struct_ncs_dom_lim.end_auth_comp_id / _struct_ncs_dom_lim.end_label_asym_id / _struct_ncs_dom_lim.end_label_comp_id / _struct_ncs_dom_lim.end_label_seq_id

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Toll-like receptor 8
B: Toll-like receptor 8
hetero molecules


Theoretical massNumber of molelcules
Total (without water)192,19118
Polymers185,6712
Non-polymers6,52016
Water00
1


  • Idetical with deposited unit
  • defined by author&software
  • Evidence: gel filtration
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area12060 Å2
ΔGint99 kcal/mol
Surface area62500 Å2
MethodPISA
Unit cell
Length a, b, c (Å)142.745, 96.871, 140.864
Angle α, β, γ (deg.)90.000, 107.650, 90.000
Int Tables number5
Space group name H-MC121
Noncrystallographic symmetry (NCS)NCS domain:
IDEns-IDDetails
11A
21B

NCS domain segments:

Component-ID: _ / Ens-ID: 1 / Beg auth comp-ID: SER / Beg label comp-ID: SER / End auth comp-ID: GLU / End label comp-ID: GLU / Refine code: _ / Auth seq-ID: 33 - 818 / Label seq-ID: 11 - 796

Dom-IDAuth asym-IDLabel asym-ID
1AA
2BB

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Components

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Protein / Non-polymers , 2 types, 4 molecules AB

#1: Protein Toll-like receptor 8


Mass: 92835.367 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: TLR8, UNQ249/PRO286 / Production host: Drosophila melanogaster (fruit fly) / References: UniProt: Q9NR97
#5: Chemical ChemComp-DY3 / 3-[5-methylsulfanyl-4-(3,4,5-trimethylphenyl)-1,2,4-triazol-3-yl]propan-1-ol


Mass: 291.412 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C15H21N3OS / Feature type: SUBJECT OF INVESTIGATION

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Sugars , 4 types, 14 molecules

#2: Polysaccharide alpha-D-mannopyranose-(1-3)-beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1- ...alpha-D-mannopyranose-(1-3)-beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose


Type: oligosaccharide / Mass: 748.682 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
DescriptorTypeProgram
DManpa1-3DManpb1-4DGlcpNAcb1-4DGlcpNAcb1-Glycam Condensed SequenceGMML 1.0
WURCS=2.0/3,4,3/[a2122h-1b_1-5_2*NCC/3=O][a1122h-1b_1-5][a1122h-1a_1-5]/1-1-2-3/a4-b1_b4-c1_c3-d1WURCSPDB2Glycan 1.1.0
[]{[(4+1)][b-D-GlcpNAc]{[(4+1)][b-D-GlcpNAc]{[(4+1)][b-D-Manp]{[(3+1)][a-D-Manp]{}}}}}LINUCSPDB-CARE
#3: Polysaccharide 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose


Type: oligosaccharide / Mass: 424.401 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
DescriptorTypeProgram
DGlcpNAcb1-4DGlcpNAcb1-Glycam Condensed SequenceGMML 1.0
WURCS=2.0/1,2,1/[a2122h-1b_1-5_2*NCC/3=O]/1-1/a4-b1WURCSPDB2Glycan 1.1.0
[]{[(4+1)][b-D-GlcpNAc]{[(4+1)][b-D-GlcpNAc]{}}}LINUCSPDB-CARE
#4: Polysaccharide alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2- ...alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose


Type: oligosaccharide / Mass: 910.823 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
DescriptorTypeProgram
DManpa1-3[DManpa1-6]DManpb1-4DGlcpNAcb1-4DGlcpNAcb1-Glycam Condensed SequenceGMML 1.0
WURCS=2.0/3,5,4/[a2122h-1b_1-5_2*NCC/3=O][a1122h-1b_1-5][a1122h-1a_1-5]/1-1-2-3-3/a4-b1_b4-c1_c3-d1_c6-e1WURCSPDB2Glycan 1.1.0
[]{[(4+1)][b-D-GlcpNAc]{[(4+1)][b-D-GlcpNAc]{[(4+1)][b-D-Manp]{[(3+1)][a-D-Manp]{}[(6+1)][a-D-Manp]{}}}}}LINUCSPDB-CARE
#6: Sugar
ChemComp-NAG / 2-acetamido-2-deoxy-beta-D-glucopyranose / N-acetyl-beta-D-glucosamine / 2-acetamido-2-deoxy-beta-D-glucose / 2-acetamido-2-deoxy-D-glucose / 2-acetamido-2-deoxy-glucose / N-ACETYL-D-GLUCOSAMINE


Type: D-saccharide, beta linking / Mass: 221.208 Da / Num. of mol.: 8
Source method: isolated from a genetically manipulated source
Formula: C8H15NO6
IdentifierTypeProgram
DGlcpNAcbCONDENSED IUPAC CARBOHYDRATE SYMBOLGMML 1.0
N-acetyl-b-D-glucopyranosamineCOMMON NAMEGMML 1.0
b-D-GlcpNAcIUPAC CARBOHYDRATE SYMBOLPDB-CARE 1.0
GlcNAcSNFG CARBOHYDRATE SYMBOLGMML 1.0

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Details

Has ligand of interestY

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Experimental details

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Experiment

ExperimentMethod: X-RAY DIFFRACTION / Number of used crystals: 1

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Sample preparation

CrystalDensity Matthews: 2.5 Å3/Da / Density % sol: 50.79 %
Crystal growTemperature: 293 K / Method: vapor diffusion, sitting drop
Details: 12-20% PEG4000 0.1 M Tris-HCl pH 8.5 0.2 M CaCl2 25% Ethylene glycol

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Data collection

DiffractionMean temperature: 100 K / Serial crystal experiment: N
Diffraction sourceSource: SYNCHROTRON / Site: Photon Factory / Beamline: AR-NW12A / Wavelength: 1 Å
DetectorType: ADSC QUANTUM 270 / Detector: CCD / Date: Nov 19, 2017
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1 Å / Relative weight: 1
ReflectionResolution: 2.89→50 Å / Num. obs: 36695 / % possible obs: 94.13 % / Redundancy: 3 % / Rsym value: 0.083 / Net I/σ(I): 17.8
Reflection shellResolution: 2.9→2.95 Å / Num. unique obs: 1936 / CC1/2: 0.859 / Rsym value: 0.943

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Processing

Software
NameVersionClassification
REFMAC5.7.0032refinement
PDB_EXTRACT3.25data extraction
HKL-2000data reduction
HKL-2000data scaling
MOLREPphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 5WYX

5wyx


Resolution: 2.89→48.44 Å / Cor.coef. Fo:Fc: 0.943 / Cor.coef. Fo:Fc free: 0.919 / SU B: 20.968 / SU ML: 0.386 / Cross valid method: THROUGHOUT / σ(F): 0 / ESU R Free: 0.481
Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS U VALUES : REFINED INDIVIDUALLY
RfactorNum. reflection% reflectionSelection details
Rfree0.2769 1881 4.9 %RANDOM
Rwork0.2275 ---
obs0.2298 36695 94.13 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å
Displacement parametersBiso max: 208.22 Å2 / Biso mean: 100.176 Å2 / Biso min: 51.38 Å2
Baniso -1Baniso -2Baniso -3
1--0 Å20 Å20.92 Å2
2---0.92 Å2-0 Å2
3---0.52 Å2
Refinement stepCycle: final / Resolution: 2.89→48.44 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms11875 0 430 0 12305
Biso mean--100.22 --
Num. residues----1473
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.010.01912592
X-RAY DIFFRACTIONr_bond_other_d0.0040.0212021
X-RAY DIFFRACTIONr_angle_refined_deg1.6262.0117120
X-RAY DIFFRACTIONr_angle_other_deg1.0283.00227509
X-RAY DIFFRACTIONr_dihedral_angle_1_deg6.52551464
X-RAY DIFFRACTIONr_dihedral_angle_2_deg39.52424.941595
X-RAY DIFFRACTIONr_dihedral_angle_3_deg17.156152150
X-RAY DIFFRACTIONr_dihedral_angle_4_deg19.5921561
X-RAY DIFFRACTIONr_chiral_restr0.0750.22025
X-RAY DIFFRACTIONr_gen_planes_refined0.0060.02113897
X-RAY DIFFRACTIONr_gen_planes_other0.0040.022880
Refine LS restraints NCS

Ens-ID: 1 / Number: 47436 / Refine-ID: X-RAY DIFFRACTION / Type: interatomic distance / Rms dev position: 0.11 Å / Weight position: 0.05

Dom-IDAuth asym-ID
1A
2B
LS refinement shellResolution: 2.894→2.969 Å / Rfactor Rfree error: 0 / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.407 149 -
Rwork0.345 2654 -
all-2803 -
obs--92.72 %

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