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- PDB-4mq7: Structure of human CD1d-sulfatide -

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Basic information

Entry
Database: PDB / ID: 4mq7
TitleStructure of human CD1d-sulfatide
Components
  • Antigen-presenting glycoprotein CD1d, Cd1d1 protein
  • Beta-2-microglobulin
KeywordsIMMUNE SYSTEM / gamma-delta / T cell receptor / Humans / T cells / non-classical / lipids / CD1d / restriction / Immunoglobulin / major histocompatibility complex / antigen presentation / self-ligands
Function / homology
Function and homology information


lipid antigen binding / exogenous lipid antigen binding / antigen processing and presentation, endogenous lipid antigen via MHC class Ib / lipopeptide binding / T cell selection / endogenous lipid antigen binding / antigen processing and presentation, exogenous lipid antigen via MHC class Ib / positive regulation of innate immune response / Endosomal/Vacuolar pathway / DAP12 interactions ...lipid antigen binding / exogenous lipid antigen binding / antigen processing and presentation, endogenous lipid antigen via MHC class Ib / lipopeptide binding / T cell selection / endogenous lipid antigen binding / antigen processing and presentation, exogenous lipid antigen via MHC class Ib / positive regulation of innate immune response / Endosomal/Vacuolar pathway / DAP12 interactions / Antigen Presentation: Folding, assembly and peptide loading of class I MHC / ER-Phagosome pathway / DAP12 signaling / heterotypic cell-cell adhesion / Immunoregulatory interactions between a Lymphoid and a non-Lymphoid cell / beta-2-microglobulin binding / cellular defense response / detection of bacterium / positive regulation of T cell proliferation / cell adhesion molecule binding / 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 / peptide antigen assembly with MHC class I protein complex / regulation of erythrocyte differentiation / regulation of iron ion transport / MHC class I peptide loading complex / response to molecule of bacterial origin / 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 / negative regulation of neurogenesis / positive regulation of T cell mediated cytotoxicity / positive regulation of receptor-mediated endocytosis / multicellular organismal-level iron ion homeostasis / cellular response to nicotine / phagocytic vesicle membrane / positive regulation of cellular senescence / Immunoregulatory interactions between a Lymphoid and a non-Lymphoid cell / negative regulation of epithelial cell proliferation / sensory perception of smell / negative regulation of neuron projection development / iron ion transport / T cell differentiation in thymus / protein refolding / basolateral plasma membrane / protein homotetramerization / amyloid fibril formation / intracellular iron ion homeostasis / learning or memory / lysosome / endosome membrane / immune response / external side of plasma membrane / lysosomal membrane / innate immune response / endoplasmic reticulum membrane / structural molecule activity / cell surface / endoplasmic reticulum / Golgi apparatus / protein homodimerization activity / extracellular space / plasma membrane / cytosol / cytoplasm
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 / Immunoglobulin-like fold / Immunoglobulins / Immunoglobulin-like / Sandwich / 2-Layer Sandwich / Mainly Beta / Alpha Beta
Similarity search - Domain/homology
Chem-CIS / Beta-2-microglobulin / Antigen-presenting glycoprotein CD1d / Cd1d1 protein
Similarity search - Component
Biological speciesHomo sapiens (human)
Mus musculus (house mouse)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.6032 Å
AuthorsLuoma, A.M. / Adams, E.J.
CitationJournal: Immunity / Year: 2013
Title: Crystal Structure of V delta 1 T Cell Receptor in Complex with CD1d-Sulfatide Shows MHC-like Recognition of a Self-Lipid by Human gamma delta T Cells.
Authors: Luoma, A.M. / Castro, C.D. / Mayassi, T. / Bembinster, L.A. / Bai, L. / Picard, D. / Anderson, B. / Scharf, L. / Kung, J.E. / Sibener, L.V. / Savage, P.B. / Jabri, B. / Bendelac, A. / Adams, E.J.
History
DepositionSep 15, 2013Deposition site: RCSB / Processing site: RCSB
Revision 1.0Dec 18, 2013Provider: repository / Type: Initial release
Revision 1.1Jan 1, 2014Group: Database references
Revision 1.2Aug 2, 2017Group: Source and taxonomy / Category: entity_src_gen
Revision 1.3Nov 15, 2017Group: Refinement description / Category: software / Item: _software.name
Revision 1.4Jul 29, 2020Group: Data collection / Database references ...Data collection / Database references / Derived calculations / Structure summary
Category: chem_comp / entity ...chem_comp / entity / pdbx_chem_comp_identifier / pdbx_entity_nonpoly / struct_conn / struct_ref_seq_dif / struct_site / struct_site_gen
Item: _chem_comp.name / _chem_comp.type ..._chem_comp.name / _chem_comp.type / _entity.pdbx_description / _pdbx_entity_nonpoly.name / _struct_conn.pdbx_leaving_atom_flag / _struct_conn.pdbx_role / _struct_ref_seq_dif.details
Description: Carbohydrate remediation / Provider: repository / Type: Remediation
Revision 1.5Sep 20, 2023Group: Data collection / Database references ...Data collection / Database references / Refinement description / Structure summary
Category: chem_comp / chem_comp_atom ...chem_comp / chem_comp_atom / chem_comp_bond / database_2 / pdbx_initial_refinement_model
Item: _chem_comp.pdbx_synonyms / _database_2.pdbx_DOI / _database_2.pdbx_database_accession
Revision 1.6Oct 30, 2024Group: Structure summary / Category: pdbx_entry_details / pdbx_modification_feature

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: Antigen-presenting glycoprotein CD1d, Cd1d1 protein
B: Beta-2-microglobulin
hetero molecules


Theoretical massNumber of molelcules
Total (without water)44,7454
Polymers43,6332
Non-polymers1,1122
Water1,53185
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area4720 Å2
ΔGint-19 kcal/mol
Surface area18260 Å2
MethodPISA
Unit cell
Length a, b, c (Å)40.959, 51.576, 210.947
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number18
Space group name H-MP22121

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Components

#1: Protein Antigen-presenting glycoprotein CD1d, Cd1d1 protein / R3G1


Mass: 31972.771 Da / Num. of mol.: 1
Fragment: human CD1d alpha1,2 domains fused with murine alpha3 domain
Mutation: residues from N-terminus through 184 are human sequence, residues from 185 to C-terminus are murine sequence
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human), (gene. exp.) Mus musculus (house mouse)
Gene: CD1D, Cd1.2, Cd1d1 / Production host: Trichoplusia ni (cabbage looper) / References: UniProt: P15813, UniProt: Q7TMK5
#2: Protein Beta-2-microglobulin


Mass: 11660.350 Da / Num. of mol.: 1 / Fragment: Beta-2-microglobulin
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Mus musculus (house mouse) / Gene: B2m / Production host: Trichoplusia ni (cabbage looper) / References: UniProt: P01887
#3: 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.: 1
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
#4: Chemical ChemComp-CIS / (15Z)-N-((1S,2R,3E)-2-HYDROXY-1-{[(3-O-SULFO-BETA-D-GALACTOPYRANOSYL)OXY]METHYL}HEPTADEC-3-ENYL)TETRACOS-15-ENAMIDE / (2S,3R,4E)-N-NERVONIC-1-[BETA-D-(3-SULFATE)-GALACTOPYRANOSYL]-2-AMINO-OCTADECENE-3-OL / CIS-TETRACOSENOYL SULFATIDE


Mass: 890.301 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C48H91NO11S
#5: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 85 / Source method: isolated from a natural source / Formula: H2O
Has protein modificationY

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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: 2.55 Å3/Da / Density % sol: 51.83 %
Crystal growTemperature: 292 K / Method: vapor diffusion, sitting drop / pH: 9
Details: 28% PEG 4000, 0.2 M CaCl2, 0.1 M Tris pH 9.0, vapor diffusion, sitting drop, temperature 292K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: APS / Beamline: 23-ID-B / Wavelength: 1.03316 Å
DetectorType: MARMOSAIC 300 mm CCD / Detector: CCD / Date: Jul 28, 2012
RadiationMonochromator: Si(111) / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.03316 Å / Relative weight: 1
ReflectionResolution: 2.6→50 Å / Num. all: 14040 / Num. obs: 14040 / % possible obs: 97.2 % / Observed criterion σ(I): -3 / Redundancy: 3.9 % / Biso Wilson estimate: 43.56 Å2
Reflection shellResolution: 2.6→2.64 Å / Redundancy: 3.1 % / Mean I/σ(I) obs: 3.3 / % possible all: 85.1

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Processing

Software
NameVersionClassificationNB
PHENIX1.8.4_1496refinement
PDB_EXTRACT3.11data extraction
Blu-Icedata collection
HKL-2000data reduction
HKL-2000data scaling
PHASERphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB ENTRY 1ZT4 AND 3GMR

1zt4

3gmr


Resolution: 2.6032→36.873 Å / Occupancy max: 1 / Occupancy min: 1 / SU ML: 0.37 / σ(F): 1.36 / Phase error: 26.59 / Stereochemistry target values: ML
RfactorNum. reflection% reflection
Rfree0.2841 700 4.99 %
Rwork0.2208 --
obs0.2237 14037 97.16 %
Solvent computationShrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å / Solvent model: FLAT BULK SOLVENT MODEL
Displacement parametersBiso mean: 21.8358 Å2
Refinement stepCycle: LAST / Resolution: 2.6032→36.873 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms2919 0 75 85 3079
Refine LS restraints
Refine-IDTypeDev idealNumber
X-RAY DIFFRACTIONf_bond_d0.0043087
X-RAY DIFFRACTIONf_angle_d0.6584194
X-RAY DIFFRACTIONf_dihedral_angle_d11.4951109
X-RAY DIFFRACTIONf_chiral_restr0.041448
X-RAY DIFFRACTIONf_plane_restr0.003531
LS refinement shell
Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection RworkRefine-ID% reflection obs (%)
2.6032-2.80410.36951400.29572355X-RAY DIFFRACTION89
2.8041-3.08620.35021530.2682622X-RAY DIFFRACTION98
3.0862-3.53240.26971330.22832694X-RAY DIFFRACTION99
3.5324-4.44930.27211380.1942761X-RAY DIFFRACTION100
4.4493-36.8770.25221360.20662905X-RAY DIFFRACTION100

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