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- PDB-6omg: Structure of mouse CD1D- Glc-DAG (sn-1 C18:0, sn-2 C18:1c9)-iNKT ... -

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Basic information

Entry
Database: PDB / ID: 6omg
TitleStructure of mouse CD1D- Glc-DAG (sn-1 C18:0, sn-2 C18:1c9)-iNKT TCR Ternary complex
Components
  • (CHIMERIC T CELL ANTIGEN RECEPTOR ...) x 2
  • Antigen-presenting glycoprotein CD1d1
  • Beta-2-microglobulin
KeywordsIMMUNE SYSTEM / glycolipid-antigen presentation / 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 / peptide antigen assembly with MHC class II protein complex / positive regulation of receptor-mediated endocytosis / MHC class II protein complex / cellular response to nicotine / positive regulation of T cell mediated cytotoxicity / phagocytic vesicle membrane / positive regulation of cellular senescence / peptide antigen binding / 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 type II interferon production / sensory perception of smell / late endosome / positive regulation of T cell activation / 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 / lysosome / early endosome / endosome membrane / immune response / lysosomal membrane / external side of plasma 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 / Immunoglobulins and major histocompatibility complex proteins signature. / Immunoglobulin C-Type ...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-MVV / CD1d1 antigen / Beta-2-microglobulin / Antigen-presenting glycoprotein CD1d1
Similarity search - Component
Biological speciesMus musculus (house mouse)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.1 Å
AuthorsDirk, M.Z. / Bitra, A. / Wang, J.
CitationJournal: To Be Published
Title: Structure of mouse CD1D- Glc-DAG (sn-1 C18:0, sn-2 C18:1c9)-iNKT TCR Ternary complex
Authors: Dirk, M.Z. / Bitra, A. / Wang, J.
History
DepositionApr 18, 2019Deposition site: RCSB / Processing site: RCSB
Revision 1.0Apr 22, 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 / pdbx_struct_conn_angle / pdbx_struct_special_symmetry / struct_asym / struct_conn / struct_conn_type / 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 / _entity.formula_weight / _entity.pdbx_description / _entity.pdbx_number_of_molecules / _entity.src_method / _entity.type / _pdbx_struct_assembly_gen.asym_id_list / _pdbx_struct_conn_angle.ptnr2_label_asym_id / _pdbx_struct_conn_angle.ptnr3_label_asym_id / _pdbx_struct_special_symmetry.label_asym_id / _struct_conn.conn_type_id / _struct_conn.id / _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_conn_type.id
Description: Carbohydrate remediation / Provider: repository / Type: Remediation
Revision 2.1Oct 11, 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
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

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
C: CHIMERIC T CELL ANTIGEN RECEPTOR ALPHA CHAIN VA14,VA24
D: CHIMERIC T CELL ANTIGEN RECEPTOR BETA CHAIN VB8.2, VB11
A: Antigen-presenting glycoprotein CD1d1
B: Beta-2-microglobulin
hetero molecules


Theoretical massNumber of molelcules
Total (without water)97,06317
Polymers94,3764
Non-polymers2,68813
Water7,638424
1


  • Idetical with deposited unit
  • defined by author&software
  • Evidence: gel filtration
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area11760 Å2
ΔGint-55 kcal/mol
Surface area37340 Å2
MethodPISA
Unit cell
Length a, b, c (Å)78.692, 191.250, 151.290
Angle α, β, γ (deg.)90.000, 90.000, 90.000
Int Tables number20
Space group name H-MC2221
Components on special symmetry positions
IDModelComponents
11A-505-

HOH

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Components

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CHIMERIC T CELL ANTIGEN RECEPTOR ... , 2 types, 2 molecules CD

#1: Protein CHIMERIC T CELL ANTIGEN RECEPTOR ALPHA CHAIN VA14,VA24


Mass: 23055.621 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Mus musculus (house mouse) / Plasmid: PET22B+ / Production host: Escherichia coli (E. coli)
#2: Protein CHIMERIC T CELL ANTIGEN RECEPTOR BETA CHAIN VB8.2, VB11


Mass: 27026.998 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Mus musculus (house mouse) / Plasmid: PET22B+ / Production host: Escherichia coli (E. coli)

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Protein , 2 types, 2 molecules AB

#3: Protein Antigen-presenting glycoprotein CD1d1 / MCG3074 / isoform CRA_a


Mass: 32632.668 Da / Num. of mol.: 1 / Fragment: residues 19-297
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Mus musculus (house mouse) / Gene: Cd1d1, mCG_3074 / Plasmid: PBACPHP10 / Production host: Spodoptera frugiperda (fall armyworm) / References: UniProt: A0A0R4J090, UniProt: P11609*PLUS
#4: 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 / Plasmid: PBACPHP10 / Production host: Spodoptera frugiperda (fall armyworm) / References: UniProt: P01887

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Sugars , 2 types, 3 molecules

#5: 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
#6: 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: isolated from a genetically manipulated source
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

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Non-polymers , 4 types, 434 molecules

#7: Chemical
ChemComp-GOL / GLYCEROL / GLYCERIN / PROPANE-1,2,3-TRIOL


Mass: 92.094 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: C3H8O3
#8: Chemical
ChemComp-NA / SODIUM ION


Mass: 22.990 Da / Num. of mol.: 5 / Source method: obtained synthetically / Formula: Na
#9: Chemical ChemComp-MVV / (2R)-1-(alpha-D-glucopyranosyloxy)-3-(octadecanoyloxy)propan-2-yl (9Z)-octadec-9-enoate


Mass: 785.142 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C45H84O10
#10: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 424 / 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: 3.02 Å3/Da / Density % sol: 59.21 %
Crystal growTemperature: 295 K / Method: vapor diffusion, sitting drop / pH: 5 / Details: 0.2M sodium malonate pH 5.0 20% PEG 3350

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Data collection

DiffractionMean temperature: 100 K / Serial crystal experiment: N
Diffraction sourceSource: SYNCHROTRON / Site: SSRL / Beamline: BL9-2 / Wavelength: 0.97 Å
DetectorType: DECTRIS PILATUS3 6M / Detector: PIXEL / Date: Apr 5, 2019
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.97 Å / Relative weight: 1
ReflectionResolution: 2.1→40 Å / Num. obs: 67643 / % possible obs: 99 % / Redundancy: 6.4 % / Rmerge(I) obs: 0.07 / Rpim(I) all: 0.03 / Rrim(I) all: 0.076 / Χ2: 0.552 / Net I/σ(I): 6.5
Reflection shell

Diffraction-ID: 1

Resolution (Å)Redundancy (%)Rmerge(I) obsNum. unique obsCC1/2Rpim(I) allRrim(I) allΧ2% possible all
2.1-2.185.60.62566950.8030.2860.6890.47499.4
2.18-2.266.40.48667460.8910.2060.5290.48399.5
2.26-2.376.40.38967150.930.1640.4230.48899.2
2.37-2.496.10.29366950.9550.1270.320.49398.8
2.49-2.656.40.2166750.9740.0890.2290.50598.9
2.65-2.856.70.14867760.9880.0610.160.53599.6
2.85-3.146.60.09167680.9950.0380.0990.57499.2
3.14-3.596.40.05366980.9980.0230.0580.62797.8
3.59-4.526.60.03568680.9990.0150.0380.63399.5
4.52-406.30.02870070.9990.0120.030.68498.4

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Processing

Software
NameVersionClassification
HKL-2000data scaling
REFMAC5.8.0238refinement
PDB_EXTRACT3.25data extraction
HKL-2000data reduction
PHASERphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 3TA3

3ta3


Resolution: 2.1→38.11 Å / Cor.coef. Fo:Fc: 0.956 / Cor.coef. Fo:Fc free: 0.94 / SU B: 4.523 / SU ML: 0.117 / Cross valid method: THROUGHOUT / σ(F): 0 / ESU R: 0.175 / ESU R Free: 0.16
Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS U VALUES : REFINED INDIVIDUALLY
RfactorNum. reflection% reflectionSelection details
Rfree0.2268 2042 3.1 %RANDOM
Rwork0.186 ---
obs0.1873 64168 99 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å
Displacement parametersBiso max: 114.88 Å2 / Biso mean: 35.83 Å2 / Biso min: 19.4 Å2
Baniso -1Baniso -2Baniso -3
1-0 Å20 Å20 Å2
2---0.02 Å20 Å2
3---0.03 Å2
Refinement stepCycle: final / Resolution: 2.1→38.11 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms6376 0 178 424 6978
Biso mean--57.35 41.99 -
Num. residues----811
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0060.0136772
X-RAY DIFFRACTIONr_bond_other_d0.0010.0185937
X-RAY DIFFRACTIONr_angle_refined_deg1.3761.6719229
X-RAY DIFFRACTIONr_angle_other_deg1.2271.61813843
X-RAY DIFFRACTIONr_dihedral_angle_1_deg7.2755816
X-RAY DIFFRACTIONr_dihedral_angle_2_deg33.11422.791344
X-RAY DIFFRACTIONr_dihedral_angle_3_deg13.847151037
X-RAY DIFFRACTIONr_dihedral_angle_4_deg16.2981535
X-RAY DIFFRACTIONr_chiral_restr0.0560.2889
X-RAY DIFFRACTIONr_gen_planes_refined0.0060.027536
X-RAY DIFFRACTIONr_gen_planes_other0.0010.021424
LS refinement shellResolution: 2.1→2.154 Å / Rfactor Rfree error: 0 / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.262 151 -
Rwork0.244 4704 -
all-4855 -
obs--99.45 %

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