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- PDB-1yn6: Crystal structure of a mouse MHC class I protein, H2-Db, in compl... -

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Basic information

Entry
Database: PDB / ID: 1yn6
TitleCrystal structure of a mouse MHC class I protein, H2-Db, in complex with a peptide from the influenza A acid polymerase
Components
  • 10-mer peptide from RNA-directed RNA polymerase subunit P2
  • Beta-2-microglobulin
  • H-2 class I histocompatibility antigen, D-B alpha chain
KeywordsIMMUNE SYSTEM / MHC class 1 / H2-Db / influenza A / peptide of acid polymerase
Function / homology
Function and homology information


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 / cap snatching / symbiont-mediated suppression of host mRNA transcription via inhibition of RNA polymerase II activity / antigen processing and presentation of endogenous peptide antigen via MHC class I via ER pathway, TAP-dependent / beta-2-microglobulin binding ...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 / cap snatching / symbiont-mediated suppression of host mRNA transcription via inhibition of RNA polymerase II activity / antigen processing and presentation of endogenous peptide antigen via MHC class I via ER pathway, TAP-dependent / beta-2-microglobulin binding / cellular defense response / Neutrophil degranulation / 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 / 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 / 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 / peptide antigen binding / positive regulation of cellular senescence / antigen processing and presentation of exogenous peptide antigen via MHC class II / negative regulation of epithelial cell proliferation / positive regulation of immune response / sensory perception of smell / 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 / endonuclease activity / protein homotetramerization / intracellular iron ion homeostasis / amyloid fibril formation / host cell cytoplasm / Hydrolases; Acting on ester bonds / learning or memory / immune response / lysosomal membrane / external side of plasma membrane / viral RNA genome replication / signaling receptor binding / DNA-templated transcription / host cell nucleus / protein-containing complex binding / structural molecule activity / Golgi apparatus / protein homodimerization activity / RNA binding / extracellular space / metal ion binding / plasma membrane / cytosol
Similarity search - Function
Polymerase acidic protein / Influenza RNA-dependent RNA polymerase subunit PA / Influenza RNA-dependent RNA polymerase subunit PA, endonuclease domain / Influenza RNA-dependent RNA polymerase subunit PA / MHC class I, alpha chain, C-terminal / MHC_I C-terminus / 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 ...Polymerase acidic protein / Influenza RNA-dependent RNA polymerase subunit PA / Influenza RNA-dependent RNA polymerase subunit PA, endonuclease domain / Influenza RNA-dependent RNA polymerase subunit PA / MHC class I, alpha chain, C-terminal / MHC_I C-terminus / 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
Beta-2-microglobulin / H-2 class I histocompatibility antigen, D-B alpha chain / Polymerase acidic protein
Similarity search - Component
Biological speciesMus musculus (house mouse)
MethodX-RAY DIFFRACTION / MOLECULAR REPLACEMENT / Resolution: 2.2 Å
AuthorsTurner, S.J. / Kedzierska, K. / Komodromou, H. / La Gruta, N.L. / Dunstone, M.A. / Webb, A.I. / Webby, R. / Walden, H. / Xie, W. / McCluskey, J. ...Turner, S.J. / Kedzierska, K. / Komodromou, H. / La Gruta, N.L. / Dunstone, M.A. / Webb, A.I. / Webby, R. / Walden, H. / Xie, W. / McCluskey, J. / Purcell, A.W. / Rossjohn, J. / Doherty, P.C.
CitationJournal: Nat.Immunol. / Year: 2005
Title: Lack of prominent peptide-major histocompatibility complex features limits repertoire diversity in virus-specific CD8+ T cell populations
Authors: Turner, S.J. / Kedzierska, K. / Komodromou, H. / La Gruta, N.L. / Dunstone, M.A. / Webb, A.I. / Webby, R. / Walden, H. / Xie, W. / McCluskey, J. / Purcell, A.W. / Rossjohn, J. / Doherty, P.C.
History
DepositionJan 23, 2005Deposition site: RCSB / Processing site: PDBJ
Revision 1.0Jun 28, 2005Provider: repository / Type: Initial release
Revision 1.1Apr 30, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: H-2 class I histocompatibility antigen, D-B alpha chain
B: Beta-2-microglobulin
C: 10-mer peptide from RNA-directed RNA polymerase subunit P2


Theoretical massNumber of molelcules
Total (without water)44,8263
Polymers44,8263
Non-polymers00
Water6,449358
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area4340 Å2
ΔGint-18 kcal/mol
Surface area19010 Å2
MethodPISA
Unit cell
Length a, b, c (Å)56.216, 56.216, 273.504
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number96
Space group name H-MP43212
Components on special symmetry positions
IDModelComponents
11A-275-

HOH

21A-436-

HOH

31A-488-

HOH

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Components

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


Mass: 31804.420 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Mus musculus (house mouse) / Plasmid: pET30 / Production host: Escherichia coli (E. coli) / Strain (production host): XLBlue / References: UniProt: P01899
#2: Protein Beta-2-microglobulin


Mass: 11835.555 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Mus musculus (house mouse) / Plasmid: pET30 / Production host: Escherichia coli (E. coli) / Strain (production host): XLBlue / References: UniProt: P01887
#3: Protein/peptide 10-mer peptide from RNA-directed RNA polymerase subunit P2 / Polymerase acidic protein / PA


Mass: 1186.295 Da / Num. of mol.: 1 / Source method: obtained synthetically
Details: Synthetic peptide with same sequence as influenza A acid polymerase fragment, residues 224-233
References: UniProt: P13175, RNA-directed RNA polymerase
#4: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 358 / 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: 2.41 Å3/Da / Density % sol: 43.1 %
Crystal growTemperature: 293 K / Method: vapor diffusion, hanging drop / pH: 5.6
Details: sodium citrate, ammonium acetate, PEG 4000, pH 5.6, VAPOR DIFFUSION, HANGING DROP, temperature 293K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: ROTATING ANODE / Type: RIGAKU / Wavelength: 1.5418 Å
DetectorType: RIGAKU RAXIS IV / Detector: IMAGE PLATE / Date: Jan 30, 2004
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.5418 Å / Relative weight: 1
ReflectionResolution: 2→100 Å / Num. all: 31028 / Num. obs: 28360 / % possible obs: 91.4 % / Observed criterion σ(F): 2 / Observed criterion σ(I): 2 / Redundancy: 5.7 % / Rmerge(I) obs: 0.06
Reflection shellResolution: 2→2.2 Å / % possible all: 43.9

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Processing

Software
NameVersionClassification
DENZOdata reduction
SCALEPACKdata scaling
AMoREphasing
CNS1refinement
RefinementMethod to determine structure: MOLECULAR REPLACEMENT / Resolution: 2.2→100 Å / σ(F): 2 / Stereochemistry target values: Engh & Huber
RfactorNum. reflectionSelection details
Rfree0.2537 957 random
Rwork0.2091 --
all-23460 -
obs-22257 -
Refinement stepCycle: LAST / Resolution: 2.2→100 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms3154 0 0 358 3512
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONc_bond_d0.006759
X-RAY DIFFRACTIONc_angle_deg1.38205
X-RAY DIFFRACTIONc_dihedral_angle_d25.1409
X-RAY DIFFRACTIONc_improper_angle_d0.78885

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