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- PDB-1vgk: The crystal structure of class I Major histocompatibility complex... -

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Basic information

Entry
Database: PDB / ID: 1vgk
TitleThe crystal structure of class I Major histocompatibility complex, H-2Kd at 2.0 A resolution
Components
  • Beta-2-microglobulin
  • H-2 class I histocompatibility antigen, K-D alpha chain
  • syvntnmgl
KeywordsIMMUNE SYSTEM / MHC / H-2Kd / class I
Function / homology
Function and homology information


antigen processing and presentation of exogenous peptide antigen via MHC class I / inner ear development / antigen processing and presentation of endogenous peptide antigen via MHC class I via ER pathway, TAP-dependent / beta-2-microglobulin binding / positive regulation of ferrous iron binding / positive regulation of transferrin receptor binding / positive regulation of receptor binding / early endosome lumen / Nef mediated downregulation of MHC class I complex cell surface expression / DAP12 interactions ...antigen processing and presentation of exogenous peptide antigen via MHC class I / inner ear development / antigen processing and presentation of endogenous peptide antigen via MHC class I via ER pathway, TAP-dependent / beta-2-microglobulin binding / positive regulation of ferrous iron binding / positive regulation of transferrin receptor binding / positive regulation of receptor binding / early endosome lumen / Nef mediated downregulation of MHC class I complex cell surface expression / DAP12 interactions / negative regulation of receptor binding / antigen processing and presentation of endogenous peptide antigen via MHC class I via ER pathway, TAP-independent / antigen processing and presentation of endogenous peptide antigen via MHC class Ib / lumenal side of endoplasmic reticulum membrane / cellular response to iron ion / Endosomal/Vacuolar pathway / Antigen Presentation: Folding, assembly and peptide loading of class I MHC / peptide binding / 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 / ER to Golgi transport vesicle membrane / 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 / specific granule lumen / recycling endosome membrane / 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 / Immunoregulatory interactions between a Lymphoid and a non-Lymphoid cell / Interferon gamma signaling / positive regulation of immune response / Modulation by Mtb of host immune system / sensory perception of smell / positive regulation of T cell activation / positive regulation of protein binding / tertiary granule lumen / DAP12 signaling / negative regulation of neuron projection development / MHC class II protein complex binding / late endosome membrane / iron ion transport / ER-Phagosome pathway / early endosome membrane / T cell differentiation in thymus / protein refolding / protein homotetramerization / intracellular iron ion homeostasis / amyloid fibril formation / learning or memory / defense response to bacterium / immune response / Amyloid fiber formation / endoplasmic reticulum lumen / lysosomal membrane / external side of plasma membrane / Golgi membrane / focal adhesion / signaling receptor binding / Neutrophil degranulation / protein-containing complex binding / SARS-CoV-2 activates/modulates innate and adaptive immune responses / structural molecule activity / Golgi apparatus / endoplasmic reticulum / protein homodimerization activity / extracellular space / extracellular exosome / extracellular region / identical protein binding / membrane / plasma membrane / cytosol
Similarity search - Function
MHC class I-like antigen recognition-like / Murine Class I Major Histocompatibility Complex, H2-DB; Chain A, domain 1 / MHC class I alpha chain, alpha1 alpha2 domains / Class I Histocompatibility antigen, domains alpha 1 and 2 / 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. ...MHC class I-like antigen recognition-like / Murine Class I Major Histocompatibility Complex, H2-DB; Chain A, domain 1 / MHC class I alpha chain, alpha1 alpha2 domains / Class I Histocompatibility antigen, domains alpha 1 and 2 / 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
H-2 class I histocompatibility antigen, K-D alpha chain / Beta-2-microglobulin
Similarity search - Component
Biological speciesMus musculus (house mouse)
Homo sapiens (human)
MethodX-RAY DIFFRACTION / MOLECULAR REPLACEMENT / Resolution: 2.06 Å
AuthorsZhou, M. / Xu, Y. / Liu, Y. / Gao, G.F. / Tien, P. / Rao, Z.
CitationJournal: To be Published
Title: The crystal structure of class I major histocompatibility complex, H-2Kd at 2.0 A resolution
Authors: Zhou, M. / Xu, Y. / Liu, Y. / Gao, G.F. / Tien, P. / Rao, Z.
History
DepositionApr 27, 2004Deposition site: PDBJ / Processing site: PDBJ
Revision 1.0Jun 28, 2005Provider: repository / Type: Initial release
Revision 1.1Apr 27, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance
Revision 1.3Dec 27, 2023Group: Data collection / Database references / Category: chem_comp_atom / chem_comp_bond / database_2
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: H-2 class I histocompatibility antigen, K-D alpha chain
B: Beta-2-microglobulin
C: syvntnmgl


Theoretical massNumber of molelcules
Total (without water)44,7323
Polymers44,7323
Non-polymers00
Water7,620423
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area4310 Å2
ΔGint-16 kcal/mol
Surface area18680 Å2
MethodPISA
Unit cell
Length a, b, c (Å)89.082, 110.389, 47.015
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number18
Space group name H-MP21212

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Components

#1: Protein H-2 class I histocompatibility antigen, K-D alpha chain / H-2KD


Mass: 31985.510 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Mus musculus (house mouse) / Plasmid: pET / Production host: Escherichia coli (E. coli) / Strain (production host): BL21(DE23) / References: UniProt: P01902
#2: Protein Beta-2-microglobulin / HDCMA22P


Mass: 11748.160 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Plasmid: pET / Species (production host): Escherichia coli / Production host: Escherichia coli BL21(DE3) (bacteria) / Strain (production host): BL21(DE3) / References: UniProt: P61769
#3: Protein/peptide syvntnmgl


Mass: 998.112 Da / Num. of mol.: 1 / Source method: obtained synthetically / Details: synthetic polypeptide
#4: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 423 / 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: 2.7 Å3/Da / Density % sol: 54 %
Crystal growTemperature: 291 K / Method: vapor diffusion, hanging drop / pH: 6.5
Details: PEG 2000, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K

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Data collection

Diffraction sourceSource: ROTATING ANODE / Type: RIGAKU MICROMAX-007 / Wavelength: 1.5418
DetectorDate: Jan 14, 2004
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.5418 Å / Relative weight: 1
ReflectionResolution: 2.06→50 Å / Num. all: 236416 / Num. obs: 29503 / % possible obs: 99.9 %

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Processing

Software
NameClassification
HKL-2000data collection
SCALEPACKdata scaling
CNSrefinement
HKL-2000data reduction
CNSphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT / Resolution: 2.06→50 Å / Stereochemistry target values: Engh & Huber
RfactorNum. reflection
Rfree0.2401 1410
Rwork0.1896 -
all0.1921 28765
obs0.1921 27355
Refinement stepCycle: LAST / Resolution: 2.06→50 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms3160 0 0 423 3583

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