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- PDB-2a0z: The molecular structure of toll-like receptor 3 ligand binding domain -

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Basic information

Entry
Database: PDB / ID: 2a0z
TitleThe molecular structure of toll-like receptor 3 ligand binding domain
ComponentsToll-like receptor 3
KeywordsIMMUNE SYSTEM / leucine rich repeat / solenoid / glycosylation / TLR3
Function / homology
Function and homology information


TLR3 deficiency - HSE / UNC93B1 deficiency - HSE / TICAM1 deficiency - HSE / type III interferon production / positive regulation of type III interferon production / response to dsRNA / TRAF3 deficiency - HSE / regulation of dendritic cell cytokine production / Toll Like Receptor 3 (TLR3) Cascade / TLR3-mediated TICAM1-dependent programmed cell death ...TLR3 deficiency - HSE / UNC93B1 deficiency - HSE / TICAM1 deficiency - HSE / type III interferon production / positive regulation of type III interferon production / response to dsRNA / TRAF3 deficiency - HSE / regulation of dendritic cell cytokine production / Toll Like Receptor 3 (TLR3) Cascade / TLR3-mediated TICAM1-dependent programmed cell death / I-kappaB phosphorylation / inflammatory response to wounding / toll-like receptor 3 signaling pathway / detection of virus / necroptotic signaling pathway / activation of NF-kappaB-inducing kinase activity / RIP-mediated NFkB activation via ZBP1 / positive regulation of cytokine production involved in inflammatory response / endolysosome membrane / hyperosmotic response / Trafficking and processing of endosomal TLR / positive regulation of macrophage cytokine production / pattern recognition receptor activity / toll-like receptor signaling pathway / response to exogenous dsRNA / cellular response to exogenous dsRNA / negative regulation of osteoclast differentiation / positive regulation of interferon-alpha production / cellular response to interferon-beta / extrinsic apoptotic signaling pathway / positive regulation of chemokine production / JNK cascade / TICAM1,TRAF6-dependent induction of TAK1 complex / TICAM1-dependent activation of IRF3/IRF7 / extracellular matrix / positive regulation of interferon-beta production / positive regulation of interleukin-12 production / TICAM1, RIP1-mediated IKK complex recruitment / positive regulation of interleukin-8 production / microglial cell activation / positive regulation of JNK cascade / cellular response to virus / positive regulation of inflammatory response / cellular response to type II interferon / positive regulation of interleukin-6 production / positive regulation of non-canonical NF-kappaB signal transduction / cellular response to mechanical stimulus / male gonad development / positive regulation of angiogenesis / transmembrane signaling receptor activity / positive regulation of type II interferon production / cellular response to xenobiotic stimulus / double-stranded RNA binding / positive regulation of tumor necrosis factor production / signaling receptor activity / defense response to virus / positive regulation of canonical NF-kappaB signal transduction / early endosome / endosome membrane / defense response to bacterium / positive regulation of apoptotic process / lysosomal membrane / Golgi membrane / innate immune response / endoplasmic reticulum membrane / positive regulation of gene expression / signal transduction / positive regulation of transcription by RNA polymerase II / extracellular space / membrane / identical protein binding / plasma membrane / cytoplasm
Similarity search - Function
Toll-like receptor 3 trans-membrane domain / Toll-like receptor 3 trans-membrane domain / Toll-like receptor / Leucine Rich repeat / TIR domain / Cysteine-rich flanking region, C-terminal / Leucine rich repeat C-terminal domain / Toll - interleukin 1 - resistance / Leucine-rich repeat, SDS22-like subfamily / Leucine-rich repeat, LRR (right-handed beta-alpha superhelix) ...Toll-like receptor 3 trans-membrane domain / Toll-like receptor 3 trans-membrane domain / Toll-like receptor / Leucine Rich repeat / TIR domain / Cysteine-rich flanking region, C-terminal / Leucine rich repeat C-terminal domain / Toll - interleukin 1 - resistance / Leucine-rich repeat, SDS22-like subfamily / Leucine-rich repeat, LRR (right-handed beta-alpha superhelix) / Ribonuclease Inhibitor / 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
BETA-MERCAPTOETHANOL / alpha-D-glucopyranose / Toll-like receptor 3
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.4 Å
AuthorsBell, J.K. / Botos, I. / Hall, P.R. / Askins, J. / Shiloach, J. / Segal, D.M. / Davies, D.R.
CitationJournal: Proc.Natl.Acad.Sci.USA / Year: 2005
Title: The molecular structure of the Toll-like receptor 3 ligand-binding domain
Authors: Bell, J.K. / Botos, I. / Hall, P.R. / Askins, J. / Shiloach, J. / Segal, D.M. / Davies, D.R.
History
DepositionJun 17, 2005Deposition site: RCSB / Processing site: RCSB
Revision 1.0Aug 2, 2005Provider: repository / Type: Initial release
Revision 1.1Apr 30, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Non-polymer description / Version format compliance
Revision 1.3Oct 11, 2017Group: Refinement description / Category: software / Item: _software.classification / _software.name
Revision 1.4May 23, 2018Group: Data collection / Structure summary / Category: struct_keywords / Item: _struct_keywords.text
Revision 2.0Jul 29, 2020Group: Atomic model / Data collection ...Atomic model / Data collection / Database references / 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_ref_seq_dif / 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 / _chem_comp.type / _pdbx_struct_assembly_gen.asym_id_list / _struct_conn.pdbx_dist_value / _struct_conn.pdbx_leaving_atom_flag / _struct_conn.pdbx_role / _struct_conn.ptnr1_auth_asym_id / _struct_conn.ptnr1_auth_comp_id / _struct_conn.ptnr1_auth_seq_id / _struct_conn.ptnr1_label_asym_id / _struct_conn.ptnr1_label_atom_id / _struct_conn.ptnr1_label_comp_id / _struct_conn.ptnr1_label_seq_id / _struct_conn.ptnr2_auth_asym_id / _struct_conn.ptnr2_auth_comp_id / _struct_conn.ptnr2_auth_seq_id / _struct_conn.ptnr2_label_asym_id / _struct_conn.ptnr2_label_atom_id / _struct_conn.ptnr2_label_comp_id / _struct_ref_seq_dif.details
Description: Carbohydrate remediation / Provider: repository / Type: Remediation
Remark 999SEQUENCE According to authors, the sequence ENLYFQG is the TEV (tobacco etch virus) protease ...SEQUENCE According to authors, the sequence ENLYFQG is the TEV (tobacco etch virus) protease cleavage site and DYKDDDDK is the FLAG affinity tag

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: Toll-like receptor 3
hetero molecules


Theoretical massNumber of molelcules
Total (without water)86,44818
Polymers80,3151
Non-polymers6,13317
Water6,539363
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)141.603, 160.795, 122.543
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number20
Space group name H-MC2221

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Components

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Protein , 1 types, 1 molecules A

#1: Protein Toll-like receptor 3 / / CD283 antigen


Mass: 80315.117 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Cell line (production host): Hi5 / Production host: Trichoplusia ni (cabbage looper) / References: UniProt: O15455

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Sugars , 7 types, 13 molecules

#2: 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.: 5 / Source method: obtained synthetically
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
#3: Polysaccharide beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta- ...beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose


Type: oligosaccharide / Mass: 586.542 Da / Num. of mol.: 1 / Source method: obtained synthetically
DescriptorTypeProgram
DManpb1-4DGlcpNAcb1-4DGlcpNAcb1-Glycam Condensed SequenceGMML 1.0
WURCS=2.0/2,3,2/[a2122h-1b_1-5_2*NCC/3=O][a1122h-1b_1-5]/1-1-2/a4-b1_b4-c1WURCSPDB2Glycan 1.1.0
[]{[(4+1)][b-D-GlcpNAc]{[(4+1)][b-D-GlcpNAc]{[(4+1)][b-D-Manp]{}}}}LINUCSPDB-CARE
#4: Polysaccharide 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta- ...2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose


Type: oligosaccharide / Mass: 570.542 Da / Num. of mol.: 2 / Source method: obtained synthetically
DescriptorTypeProgram
DGlcpNAcb1-4[LFucpa1-6]DGlcpNAcb1-Glycam Condensed SequenceGMML 1.0
WURCS=2.0/2,3,2/[a2122h-1b_1-5_2*NCC/3=O][a1221m-1a_1-5]/1-1-2/a4-b1_a6-c1WURCSPDB2Glycan 1.1.0
[]{[(4+1)][b-D-3-deoxy-GlcpNAc]{[(4+1)][b-D-GlcpNAc]{}[(6+1)][a-L-Fucp]{}}}LINUCSPDB-CARE
#5: Polysaccharide alpha-D-mannopyranose-(1-3)-[beta-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2- ...alpha-D-mannopyranose-(1-3)-[beta-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.: 1
Source method: isolated from a genetically manipulated source
DescriptorTypeProgram
DManpa1-3[DManpb1-6]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]/1-1-2-3-2/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)][b-D-Manp]{}}}}}LINUCSPDB-CARE
#6: Polysaccharide 2-acetamido-2-deoxy-alpha-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose


Type: oligosaccharide / Mass: 424.401 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
DescriptorTypeProgram
DGlcpNAca1-4DGlcpNAcb1-Glycam Condensed SequenceGMML 1.0
WURCS=2.0/2,2,1/[a2122h-1b_1-5_2*NCC/3=O][a2122h-1a_1-5_2*NCC/3=O]/1-2/a4-b1WURCSPDB2Glycan 1.1.0
[]{[(4+1)][b-D-GlcpNAc]{[(4+1)][a-D-GlcpNAc]{}}}LINUCSPDB-CARE
#7: Sugar ChemComp-NAG / 2-acetamido-2-deoxy-beta-D-glucopyranose / N-Acetylglucosamine


Type: D-saccharide, beta linking / Mass: 221.208 Da / Num. of mol.: 1 / Source method: obtained synthetically / 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
#8: Sugar ChemComp-GLC / alpha-D-glucopyranose / Glucose


Type: D-saccharide, alpha linking / Mass: 180.156 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C6H12O6
IdentifierTypeProgram
DGlcpaCONDENSED IUPAC CARBOHYDRATE SYMBOLGMML 1.0
a-D-glucopyranoseCOMMON NAMEGMML 1.0
a-D-GlcpIUPAC CARBOHYDRATE SYMBOLPDB-CARE 1.0
GlcSNFG CARBOHYDRATE SYMBOLGMML 1.0

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Non-polymers , 3 types, 367 molecules

#9: Chemical ChemComp-SO4 / SULFATE ION / Sulfate


Mass: 96.063 Da / Num. of mol.: 3 / Source method: obtained synthetically / Formula: SO4
#10: Chemical ChemComp-BME / BETA-MERCAPTOETHANOL / 2-Mercaptoethanol


Mass: 78.133 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C2H6OS
#11: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 363 / Source method: isolated from a natural source / Formula: H2O

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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: 3.16 Å3/Da / Density % sol: 61 %
Crystal growTemperature: 290 K / Method: vapor diffusion, hanging drop / pH: 4.2
Details: peg 4000, Na Acetate, ammonium sulfate, pH 4.2, VAPOR DIFFUSION, HANGING DROP, temperature 290K

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Data collection

DiffractionMean temperature: 70 K
Diffraction sourceSource: SYNCHROTRON / Site: APS / Beamline: 22-ID / Wavelength: 0.99997 Å
DetectorType: MARRESEARCH / Detector: CCD / Date: Oct 24, 2004
RadiationMonochromator: double crystal monochromator si220 / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.99997 Å / Relative weight: 1
ReflectionResolution: 2.4→50 Å / Num. all: 52736 / Num. obs: 50677 / % possible obs: 96 % / Observed criterion σ(F): 0 / Observed criterion σ(I): -3
Reflection shellResolution: 2.4→2.49 Å / % possible all: 89

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Processing

Software
NameVersionClassificationNB
CNSrefinement
PDB_EXTRACT1.601data extraction
MAR345data collection
HKL-2000data scaling
PHASERphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT / Resolution: 2.4→50 Å / σ(F): 0 / Stereochemistry target values: Engh & Huber
RfactorNum. reflection% reflectionSelection details
Rfree0.232 2618 4.8 %RANDOM
Rwork0.206 ---
all-54904 --
obs-50030 91.1 %-
Solvent computationBsol: 40.734 Å2
Displacement parametersBiso mean: 45.397 Å2
Baniso -1Baniso -2Baniso -3
1-3.563 Å20 Å20 Å2
2---9.385 Å20 Å2
3---5.822 Å2
Refinement stepCycle: LAST / Resolution: 2.4→50 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms5378 0 400 363 6141
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONc_bond_d0.13
X-RAY DIFFRACTIONc_angle_deg1.55
LS refinement shellResolution: 2.4→2.49 Å
RfactorNum. reflection% reflection
Rfree0.312 261 -
Rwork0.263 --
obs-2969 55 %
Xplor file
Refine-IDSerial noParam file
X-RAY DIFFRACTION1protein_rep.param
X-RAY DIFFRACTION2carbohydrate.param
X-RAY DIFFRACTION3water_rep.param
X-RAY DIFFRACTION4ion.param
X-RAY DIFFRACTION5bme.param
X-RAY DIFFRACTION6dgluc.param

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