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- PDB-1ce6: MHC CLASS I H-2DB COMPLEXED WITH A SENDAI VIRUS NUCLEOPROTEIN PEPTIDE -

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Basic information

Entry
Database: PDB / ID: 1ce6
TitleMHC CLASS I H-2DB COMPLEXED WITH A SENDAI VIRUS NUCLEOPROTEIN PEPTIDE
Components
  • PROTEIN (HUMAN BETA-2 MICROGLOBULIN)
  • PROTEIN (MHC CLASS I H-2DB HEAVY CHAIN)
  • PROTEIN (SENDAI VIRUS NUCLEOPROTEIN)
KeywordsMHC CLASS I / ANTIGEN PRESENTATION / VIRAL PEPTIDE / COMPLEX
Function / homology
Function and homology information


helical viral capsid / 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 / negative regulation of receptor binding / DAP12 interactions ...helical viral capsid / 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 / negative regulation of receptor binding / DAP12 interactions / 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 / cellular response to iron ion / Endosomal/Vacuolar pathway / lumenal side of endoplasmic reticulum membrane / 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 / peptide antigen assembly with MHC class I protein complex / ER to Golgi transport vesicle membrane / 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 / specific granule lumen / recycling endosome membrane / phagocytic vesicle membrane / 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 / 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 / positive regulation of T cell activation / sensory perception of smell / negative regulation of neuron projection development / positive regulation of protein binding / tertiary granule lumen / DAP12 signaling / 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 / viral nucleocapsid / protein homotetramerization / intracellular iron ion homeostasis / amyloid fibril formation / host cell cytoplasm / learning or memory / immune response / Amyloid fiber formation / endoplasmic reticulum lumen / external side of plasma membrane / Golgi membrane / lysosomal membrane / signaling receptor binding / focal adhesion / 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 / RNA binding / extracellular space / extracellular exosome / extracellular region / identical protein binding / membrane / plasma membrane / cytosol
Similarity search - Function
Paramyxovirus nucleocapsid protein / Paramyxovirus nucleocapsid protein / 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 ...Paramyxovirus nucleocapsid protein / Paramyxovirus nucleocapsid protein / 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
H-2 class I histocompatibility antigen, D-B alpha chain / Nucleoprotein / Beta-2-microglobulin
Similarity search - Component
Biological speciesMus musculus (house mouse)
Homo sapiens (human)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.9 Å
AuthorsTormo, J. / Jones, E.Y.
CitationJournal: Immunity / Year: 1999
Title: Crystal structures of two H-2Db/glycopeptide complexes suggest a molecular basis for CTL cross-reactivity.
Authors: Glithero, A. / Tormo, J. / Haurum, J.S. / Arsequell, G. / Valencia, G. / Edwards, J. / Springer, S. / Townsend, A. / Pao, Y.L. / Wormald, M. / Dwek, R.A. / Jones, E.Y. / Elliott, T.
History
DepositionMar 17, 1999Deposition site: BNL / Processing site: RCSB
Revision 1.0Mar 26, 1999Provider: repository / Type: Initial release
Revision 1.1Apr 26, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance
Revision 1.3Dec 7, 2011Group: Database references
Revision 1.4Aug 9, 2023Group: Data collection / Database references ...Data collection / Database references / Derived calculations / Refinement description
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_initial_refinement_model / struct_site
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _struct_site.pdbx_auth_asym_id / _struct_site.pdbx_auth_comp_id / _struct_site.pdbx_auth_seq_id

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: PROTEIN (MHC CLASS I H-2DB HEAVY CHAIN)
B: PROTEIN (HUMAN BETA-2 MICROGLOBULIN)
C: PROTEIN (SENDAI VIRUS NUCLEOPROTEIN)
hetero molecules


Theoretical massNumber of molelcules
Total (without water)45,7624
Polymers45,6663
Non-polymers961
Water45025
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area4340 Å2
ΔGint-29 kcal/mol
Surface area18870 Å2
MethodPISA
Unit cell
Length a, b, c (Å)60.787, 58.082, 74.666
Angle α, β, γ (deg.)90.00, 108.26, 90.00
Int Tables number4
Cell settingmonoclinic
Space group name H-MP1211

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Components

#1: Protein PROTEIN (MHC CLASS I H-2DB HEAVY CHAIN)


Mass: 31861.475 Da / Num. of mol.: 1 / Fragment: FRAGMENT: EXTRACELLULAR DOMAINS
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Mus musculus (house mouse) / Cell (production host): CHO K1 CELLS / Production host: Cricetulus griseus (Chinese hamster) / References: UniProt: P01899
#2: Protein PROTEIN (HUMAN BETA-2 MICROGLOBULIN)


Mass: 12855.403 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Cell (production host): CHO K1 CELLS / Production host: Cricetulus griseus (Chinese hamster) / References: UniProt: P61769
#3: Protein/peptide PROTEIN (SENDAI VIRUS NUCLEOPROTEIN)


Mass: 949.060 Da / Num. of mol.: 1 / Fragment: FRAGMENT: RESIDUES 324-332 / Source method: obtained synthetically / Details: SEQUENCE FROM SENDAI VIRUS / References: UniProt: P04858
#4: Chemical ChemComp-SO4 / SULFATE ION


Mass: 96.063 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: SO4
#5: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 25 / 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: 2.8 Å3/Da / Density % sol: 55 %
Crystal growpH: 5 / Details: pH 5.0
Crystal grow
*PLUS
Temperature: 4 ℃ / pH: 7.5 / Method: vapor diffusion, sitting drop
Components of the solutions
*PLUS
IDConc.Common nameCrystal-IDSol-ID
110 mg/mlpeptide complex1drop
315-23 %PEG60001reservoir
4100 mMammonium sulfate1reservoir
5100 mMMES1reservoir
2Tris buffered saline1drop

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: SRS / Beamline: PX7.2 / Wavelength: 1
DetectorType: MARRESEARCH / Detector: IMAGE PLATE
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1 Å / Relative weight: 1
ReflectionResolution: 2.85→15 Å / Num. obs: 11481 / % possible obs: 96.1 % / Redundancy: 2.6 % / Biso Wilson estimate: 48.9 Å2 / Rsym value: 0.096 / Net I/σ(I): 10
Reflection shellResolution: 2.85→2.92 Å / Redundancy: 2.2 % / Mean I/σ(I) obs: 2.6 / Rsym value: 0.376 / % possible all: 86.2
Reflection
*PLUS
Rmerge(I) obs: 0.096
Reflection shell
*PLUS
% possible obs: 86.2 % / Rmerge(I) obs: 0.376

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Processing

Software
NameVersionClassification
DENZOdata reduction
SCALEPACKdata scaling
AMoREphasing
CNS0.4refinement
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB ENTRIES 1HOC AND 3HLA

1hoc

3hla


Resolution: 2.9→10 Å / Rfactor Rfree error: 0.008 / Isotropic thermal model: RESTRAINED / Cross valid method: THROUGHOUT / σ(F): 0
RfactorNum. reflection% reflectionSelection details
Rfree0.274 1070 10.2 %RANDOM
Rwork0.217 ---
all-10527 --
obs-10527 97.1 %-
Solvent computationSolvent model: FLAT MODEL / Bsol: 36 Å2 / ksol: 0.4 e/Å3
Displacement parametersBiso mean: 43.2 Å2
Baniso -1Baniso -2Baniso -3
1--16.9 Å20 Å26.31 Å2
2---15.8 Å20 Å2
3---32.78 Å2
Refine analyze
FreeObs
Luzzati coordinate error0.47 Å0.36 Å
Luzzati d res low-5 Å
Luzzati sigma a0.67 Å0.59 Å
Refinement stepCycle: LAST / Resolution: 2.9→10 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms3146 0 5 25 3176
Refine LS restraints
Refine-IDTypeDev idealDev ideal target
X-RAY DIFFRACTIONx_bond_d0.008
X-RAY DIFFRACTIONx_bond_d_na
X-RAY DIFFRACTIONx_bond_d_prot
X-RAY DIFFRACTIONx_angle_d
X-RAY DIFFRACTIONx_angle_d_na
X-RAY DIFFRACTIONx_angle_d_prot
X-RAY DIFFRACTIONx_angle_deg1.4
X-RAY DIFFRACTIONx_angle_deg_na
X-RAY DIFFRACTIONx_angle_deg_prot
X-RAY DIFFRACTIONx_dihedral_angle_d24.7
X-RAY DIFFRACTIONx_dihedral_angle_d_na
X-RAY DIFFRACTIONx_dihedral_angle_d_prot
X-RAY DIFFRACTIONx_improper_angle_d0.85
X-RAY DIFFRACTIONx_improper_angle_d_na
X-RAY DIFFRACTIONx_improper_angle_d_prot
X-RAY DIFFRACTIONx_mcbond_it1.651.5
X-RAY DIFFRACTIONx_mcangle_it2.872
X-RAY DIFFRACTIONx_scbond_it2.172
X-RAY DIFFRACTIONx_scangle_it3.432.5
LS refinement shellResolution: 2.9→3.08 Å / Rfactor Rfree error: 0.028 / Total num. of bins used: 6
RfactorNum. reflection% reflection
Rfree0.372 176 10.6 %
Rwork0.341 1479 -
obs--92.7 %
Xplor file
Refine-IDSerial noParam fileTopol file
X-RAY DIFFRACTION1PROTEIN_REP.PARAMPROTEIN.TOP
X-RAY DIFFRACTION2WATER_REP.PARAMWATER.TOP
X-RAY DIFFRACTION3ION.PARAMION.TOP
Software
*PLUS
Name: CNS / Version: 0.4 / Classification: refinement
Refinement
*PLUS
Rfactor obs: 0.217
Solvent computation
*PLUS
Displacement parameters
*PLUS
Refine LS restraints
*PLUS
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONc_bond_d
X-RAY DIFFRACTIONc_angle_d
X-RAY DIFFRACTIONc_angle_deg
X-RAY DIFFRACTIONc_dihedral_angle_d
X-RAY DIFFRACTIONc_dihedral_angle_deg24.7
X-RAY DIFFRACTIONc_improper_angle_d
X-RAY DIFFRACTIONc_improper_angle_deg0.85
X-RAY DIFFRACTIONc_mcbond_it
X-RAY DIFFRACTIONc_scbond_it
X-RAY DIFFRACTIONc_mcangle_it
X-RAY DIFFRACTIONc_scangle_it
LS refinement shell
*PLUS
Rfactor obs: 0.341

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