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- PDB-4irj: Structure of the mouse CD1d-4ClPhC-alpha-GalCer-iNKT TCR complex -

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Basic information

Entry
Database: PDB / ID: 4irj
TitleStructure of the mouse CD1d-4ClPhC-alpha-GalCer-iNKT TCR complex
Components
  • Antigen-presenting glycoprotein CD1d1
  • Beta-2-microglobulin
  • Valpha14 (mouse variable domain, human constant domain)
  • Vbeta8.2 (mouse variable domain, human constant domain)
KeywordsIMMUNE SYSTEM / antigen presentation / glycolipid / NKT cells
Function / homology
Function and homology information


regulation of immature T cell proliferation in thymus / positive regulation of NK T cell differentiation / positive regulation of NK T cell activation / NK T cell differentiation / endogenous lipid antigen binding / exogenous lipid antigen binding / antigen processing and presentation, endogenous lipid antigen via MHC class Ib / antigen processing and presentation, exogenous lipid antigen via MHC class Ib / lipopeptide binding / positive thymic T cell selection ...regulation of immature T cell proliferation in thymus / positive regulation of NK T cell differentiation / positive regulation of NK T cell activation / NK T cell differentiation / endogenous lipid antigen binding / exogenous lipid antigen binding / antigen processing and presentation, endogenous lipid antigen via MHC class Ib / antigen processing and presentation, exogenous lipid antigen via MHC class Ib / lipopeptide binding / positive thymic T cell selection / positive regulation of macrophage activation / Endosomal/Vacuolar pathway / DAP12 interactions / Antigen Presentation: Folding, assembly and peptide loading of class I MHC / ER-Phagosome pathway / DAP12 signaling / Immunoregulatory interactions between a Lymphoid and a non-Lymphoid cell / positive regulation of interleukin-4 production / antigen processing and presentation / regulation of immune response / cellular defense response / T cell receptor binding / positive regulation of interleukin-2 production / Neutrophil degranulation / cellular response to iron(III) ion / antigen processing and presentation of exogenous protein antigen via MHC class Ib, TAP-dependent / negative regulation of forebrain neuron differentiation / regulation of erythrocyte differentiation / peptide antigen assembly with MHC class I protein complex / regulation of iron ion transport / response to molecule of bacterial origin / MHC class I peptide loading complex / HFE-transferrin receptor complex / T cell mediated cytotoxicity / antigen processing and presentation of endogenous peptide antigen via MHC class I / positive regulation of T cell cytokine production / MHC class I protein complex / multicellular organismal-level iron ion homeostasis / negative regulation of neurogenesis / positive regulation of receptor-mediated endocytosis / peptide antigen assembly with MHC class II protein complex / MHC class II protein complex / cellular response to nicotine / positive regulation of T cell mediated cytotoxicity / phagocytic vesicle membrane / positive regulation of type II interferon production / peptide antigen binding / positive regulation of cellular senescence / negative regulation of epithelial cell proliferation / antigen processing and presentation of exogenous peptide antigen via MHC class II / positive regulation of immune response / positive regulation of T cell activation / sensory perception of smell / late endosome / negative regulation of neuron projection development / MHC class II protein complex binding / late endosome membrane / iron ion transport / T cell differentiation in thymus / protein refolding / protein homotetramerization / intracellular iron ion homeostasis / amyloid fibril formation / learning or memory / early endosome / lysosome / endosome membrane / immune response / external side of plasma membrane / lysosomal membrane / innate immune response / structural molecule activity / Golgi apparatus / protein homodimerization activity / extracellular space / cytosol
Similarity search - Function
MHC-I family domain / MHC class I-like antigen recognition-like / Murine Class I Major Histocompatibility Complex, H2-DB; Chain A, domain 1 / : / Beta-2-Microglobulin / MHC class I-like antigen recognition-like / MHC class I-like antigen recognition-like superfamily / MHC classes I/II-like antigen recognition protein / : / Immunoglobulin/major histocompatibility complex, conserved site ...MHC-I family domain / MHC class I-like antigen recognition-like / Murine Class I Major Histocompatibility Complex, H2-DB; Chain A, domain 1 / : / Beta-2-Microglobulin / MHC class I-like antigen recognition-like / MHC class I-like antigen recognition-like superfamily / MHC classes I/II-like antigen recognition protein / : / Immunoglobulin/major histocompatibility complex, conserved site / Immunoglobulins and major histocompatibility complex proteins signature. / Immunoglobulin C-Type / Immunoglobulin C1-set / Immunoglobulin C1-set domain / Ig-like domain profile. / Immunoglobulin-like domain / Immunoglobulin-like domain superfamily / Immunoglobulins / Immunoglobulin-like fold / Immunoglobulin-like / Sandwich / 2-Layer Sandwich / Mainly Beta / Alpha Beta
Similarity search - Domain/homology
Chem-1L9 / Beta-2-microglobulin / Antigen-presenting glycoprotein CD1d1
Similarity search - Component
Biological speciesMus musculus (house mouse)
Homo sapiens (human)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 3 Å
AuthorsNemcovic, M. / Zajonc, D.M.
CitationJournal: J.Immunol. / Year: 2013
Title: Enhanced TCR footprint by a novel glycolipid increases NKT-dependent tumor protection.
Authors: Aspeslagh, S. / Nemcovic, M. / Pauwels, N. / Venken, K. / Wang, J. / Van Calenbergh, S. / Zajonc, D.M. / Elewaut, D.
History
DepositionJan 14, 2013Deposition site: RCSB / Processing site: RCSB
Revision 1.0Aug 28, 2013Provider: repository / Type: Initial release
Revision 1.1Sep 4, 2013Group: Database references
Revision 1.2Feb 5, 2014Group: Database references
Revision 2.0Jul 29, 2020Group: Atomic model / Data collection ...Atomic model / Data collection / Database references / Derived calculations / Source and taxonomy / 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_entity_src_syn / 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 / _entity.formula_weight / _entity.pdbx_description / _entity.pdbx_number_of_molecules / _entity.src_method / _entity.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_comp_id / _struct_ref_seq_dif.details
Description: Carbohydrate remediation / Provider: repository / Type: Remediation

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Antigen-presenting glycoprotein CD1d1
B: Beta-2-microglobulin
C: Valpha14 (mouse variable domain, human constant domain)
D: Vbeta8.2 (mouse variable domain, human constant domain)
hetero molecules


Theoretical massNumber of molelcules
Total (without water)96,4008
Polymers94,3764
Non-polymers2,0254
Water23413
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)79.283, 191.862, 151.598
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 , 3 types, 3 molecules ABD

#1: Protein Antigen-presenting glycoprotein CD1d1


Mass: 32632.668 Da / Num. of mol.: 1 / Fragment: UNP residues 19-298
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Mus musculus (house mouse) / Gene: Cd1.1, CD1d, Cd1d1 / Plasmid: pBACp10pH / Production host: Spodoptera frugiperda (fall armyworm) / Strain (production host): Sf9 / References: UniProt: P11609
#2: Protein Beta-2-microglobulin


Mass: 11660.350 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Mus musculus (house mouse) / Gene: B2m, beta-2-microglobulin / Plasmid: pBACp10pH / Production host: Spodoptera frugiperda (fall armyworm) / Strain (production host): Sf9 / References: UniProt: P01887
#4: Protein Vbeta8.2 (mouse variable domain, human constant domain)


Mass: 27026.998 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Mus musculus, Homo sapiens
Gene: Vbeta8.2 (mouse variable domain, human constant domain)
Plasmid: pET22b / Production host: Escherichia coli (E. coli) / Strain (production host): BL21DE3

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Antibody , 1 types, 1 molecules C

#3: Antibody Valpha14 (mouse variable domain, human constant domain)


Mass: 23055.621 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Mus musculus, Homo sapiens
Gene: Valpha14 (mouse variable domain, human constant domain)
Plasmid: pET22b / Production host: Escherichia coli (E. coli) / Strain (production host): BL21DE3

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Sugars , 2 types, 3 molecules

#5: 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.: 1 / Source method: obtained synthetically / Details: glycolipid
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-GlcpNAc]{[(4+1)][b-D-GlcpNAc]{}[(6+1)][a-L-Fucp]{}}}LINUCSPDB-CARE
#6: Sugar ChemComp-NAG / 2-acetamido-2-deoxy-beta-D-glucopyranose


Type: D-saccharide, beta linking / Mass: 221.208 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C8H15NO6 / Details: glycolipid
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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Non-polymers , 2 types, 14 molecules

#7: Chemical ChemComp-1L9 / N-[(2S,3S,4R)-1-({6-O-[(4-chlorophenyl)carbamoyl]-alpha-D-galactopyranosyl}oxy)-3,4-dihydroxyoctadecan-2-yl]hexacosanamide


Mass: 1011.888 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C57H103ClN2O10
#8: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 13 / 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: 3.05 Å3/Da / Density % sol: 59.73 %
Crystal growTemperature: 295.5 K / Method: vapor diffusion, sitting drop / pH: 7.5
Details: 20% polyethylene glycol 4000, 0.2M sodium thiocyanate, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 295.5K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: SSRL / Beamline: BL9-2 / Wavelength: 0.9795706 Å
DetectorType: MARMOSAIC 325 mm CCD / Detector: CCD / Date: Jan 1, 2012
RadiationMonochromator: Double crystal monochromator / Protocol: MAD / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.9795706 Å / Relative weight: 1
ReflectionResolution: 3→50 Å / Num. all: 22997 / Num. obs: 21794 / % possible obs: 98 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0
Reflection shellResolution: 3→3.11 Å / % possible all: 100

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Processing

SoftwareName: REFMAC / Version: 5.6.0104 / Classification: refinement
RefinementMethod to determine structure: MOLECULAR REPLACEMENT / Resolution: 3→38.35 Å / Cor.coef. Fo:Fc: 0.923 / Cor.coef. Fo:Fc free: 0.892 / SU B: 12.171 / SU ML: 0.237 / Cross valid method: THROUGHOUT / σ(F): 2 / ESU R Free: 0.381 / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: HYDROGENS HAVE BEEN USED IF PRESENT IN THE INPUT
RfactorNum. reflection% reflectionSelection details
Rfree0.22844 1185 5.2 %RANDOM
Rwork0.1859 ---
obs0.18808 21794 97.49 %-
all-22997 --
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: BABINET MODEL WITH MASK
Displacement parametersBiso mean: 41.883 Å2
Baniso -1Baniso -2Baniso -3
1--0 Å2-0 Å20 Å2
2--0.02 Å2-0 Å2
3----0.02 Å2
Refinement stepCycle: LAST / Resolution: 3→38.35 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms6232 0 136 13 6381
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0090.0226549
X-RAY DIFFRACTIONr_angle_refined_deg1.1891.9498935
X-RAY DIFFRACTIONr_dihedral_angle_1_deg5.9095798
X-RAY DIFFRACTIONr_dihedral_angle_2_deg35.2324.158291
X-RAY DIFFRACTIONr_dihedral_angle_3_deg15.14715962
X-RAY DIFFRACTIONr_dihedral_angle_4_deg17.9921532
X-RAY DIFFRACTIONr_chiral_restr0.0710.2990
X-RAY DIFFRACTIONr_gen_planes_refined0.0050.0215011
LS refinement shellResolution: 3.001→3.078 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.281 83 -
Rwork0.259 1351 -
obs--89.91 %

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