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- PDB-1x7q: Crystal structure of HLA-A*1101 with sars nucleocapsid peptide -

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Basic information

Entry
Database: PDB / ID: 1x7q
TitleCrystal structure of HLA-A*1101 with sars nucleocapsid peptide
Components
  • Beta-2-microglobulinBeta-2 microglobulin
  • HLA class I histocompatibility antigen, A-11 alpha chain
  • SARS NUCLEOCAPSID PEPTIDE
KeywordsIMMUNE SYSTEM / PEPTIDE-MHC-COMPLEX / MAJOR HISTOCOMPATIBILITY COMPLEX CLASS I / MHC-I / HUMAN LEUKOCYTE ANTIGEN / HLA / IMMUNOGLOBULIN FAMILY / SARS
Function / homology
Function and homology information


SARS-CoV-1-host interactions / Translation of Structural Proteins / Virion Assembly and Release / viral RNA genome packaging / Transcription of SARS-CoV-1 sgRNAs / negative regulation of interferon-beta production / Maturation of nucleoprotein / SARS-CoV-1 modulates host translation machinery / T cell mediated cytotoxicity directed against tumor cell target / antigen processing and presentation of endogenous peptide antigen via MHC class I via ER pathway, TAP-dependent ...SARS-CoV-1-host interactions / Translation of Structural Proteins / Virion Assembly and Release / viral RNA genome packaging / Transcription of SARS-CoV-1 sgRNAs / negative regulation of interferon-beta production / Maturation of nucleoprotein / SARS-CoV-1 modulates host translation machinery / T cell mediated cytotoxicity directed against tumor cell target / antigen processing and presentation of endogenous peptide antigen via MHC class I via ER pathway, TAP-dependent / positive regulation of memory T cell activation / TAP complex binding / antigen processing and presentation of exogenous peptide antigen via MHC class I / Golgi medial cisterna / positive regulation of CD8-positive, alpha-beta T cell activation / CD8-positive, alpha-beta T cell activation / positive regulation of CD8-positive, alpha-beta T cell proliferation / CD8 receptor binding / endoplasmic reticulum exit site / beta-2-microglobulin binding / Attachment and Entry / SARS-CoV-1 targets host intracellular signalling and regulatory pathways / TAP binding / protection from natural killer cell mediated cytotoxicity / 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 / detection of bacterium / T cell receptor binding / positive regulation of ferrous iron binding / positive regulation of transferrin receptor binding / early endosome lumen / positive regulation of receptor binding / Nef mediated downregulation of MHC class I complex cell surface expression / DAP12 interactions / negative regulation of receptor binding / lumenal side of endoplasmic reticulum membrane / Endosomal/Vacuolar pathway / Antigen Presentation: Folding, assembly and peptide loading of class I MHC / antigen processing and presentation of exogenous protein antigen via MHC class Ib, TAP-dependent / cellular response to iron(III) ion / negative regulation of forebrain neuron differentiation / ER to Golgi transport vesicle membrane / peptide antigen assembly with MHC class I protein complex / response to molecule of bacterial origin / regulation of erythrocyte differentiation / regulation of iron ion transport / MHC class I peptide loading complex / HFE-transferrin receptor complex / T cell mediated cytotoxicity / cellular response to iron ion / 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 / positive regulation of T cell mediated cytotoxicity / peptide antigen assembly with MHC class II protein complex / negative regulation of neurogenesis / MHC class II protein complex / positive regulation of receptor-mediated endocytosis / cellular response to nicotine / recycling endosome membrane / phagocytic vesicle membrane / specific granule lumen / peptide antigen binding / SARS-CoV-1 activates/modulates innate immune responses / viral capsid / positive regulation of cellular senescence / 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 / negative regulation of epithelial cell proliferation / Modulation by Mtb of host immune system / positive regulation of T cell activation / Interferon alpha/beta signaling / positive regulation of type II interferon production / sensory perception of smell / negative regulation of neuron projection development / E3 ubiquitin ligases ubiquitinate target proteins / tertiary granule lumen / DAP12 signaling / MHC class II protein complex binding / late endosome membrane / T cell differentiation in thymus / positive regulation of protein binding / host cell endoplasmic reticulum-Golgi intermediate compartment / ER-Phagosome pathway / antibacterial humoral response / iron ion transport / T cell receptor signaling pathway / protein refolding / host cell Golgi apparatus / early endosome membrane / protein homotetramerization / viral nucleocapsid / intracellular iron ion homeostasis / amyloid fibril formation / host cell perinuclear region of cytoplasm / learning or memory / molecular adaptor activity
Similarity search - Function
Nucleocapsid protein, betacoronavirus / Nucleocapsid (N) protein, C-terminal domain, coronavirus / Nucleocapsid (N) protein, N-terminal domain, coronavirus / Coronavirus nucleocapsid (CoV N) protein N-terminal (NTD) domain profile. / Coronavirus nucleocapsid (CoV N) protein C-terminal (CTD) domain profile. / Nucleocapsid protein, coronavirus / Nucleocapsid protein, N-terminal / Coronavirus nucleocapsid / Nucleocapsid protein, C-terminal / MHC class I, alpha chain, C-terminal ...Nucleocapsid protein, betacoronavirus / Nucleocapsid (N) protein, C-terminal domain, coronavirus / Nucleocapsid (N) protein, N-terminal domain, coronavirus / Coronavirus nucleocapsid (CoV N) protein N-terminal (NTD) domain profile. / Coronavirus nucleocapsid (CoV N) protein C-terminal (CTD) domain profile. / Nucleocapsid protein, coronavirus / Nucleocapsid protein, N-terminal / Coronavirus nucleocapsid / Nucleocapsid protein, C-terminal / 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
HLA class I histocompatibility antigen, A alpha chain / HLA class I histocompatibility antigen, A alpha chain / Nucleoprotein / Beta-2-microglobulin
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.45 Å
AuthorsBlicher, T. / Kastrup, J.S. / Buus, S. / Gajhede, M.
CitationJournal: Acta Crystallogr.,Sect.D / Year: 2005
Title: High-resolution structure of HLA-A*1101 in complex with SARS nucleocapsid peptide.
Authors: Blicher, T. / Kastrup, J.S. / Buus, S. / Gajhede, M.
History
DepositionAug 16, 2004Deposition site: RCSB / Processing site: PDBJ
Revision 1.0Aug 2, 2005Provider: repository / Type: Initial release
Revision 1.1Apr 30, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Non-polymer description / Version format compliance
Revision 1.3Oct 25, 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: HLA class I histocompatibility antigen, A-11 alpha chain
B: Beta-2-microglobulin
C: SARS NUCLEOCAPSID PEPTIDE
hetero molecules


Theoretical massNumber of molelcules
Total (without water)45,58213
Polymers44,6493
Non-polymers93310
Water10,341574
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area6320 Å2
ΔGint-51 kcal/mol
Surface area19200 Å2
MethodPISA
Unit cell
Length a, b, c (Å)58.465, 80.623, 56.570
Angle α, β, γ (deg.)90.00, 116.79, 90.00
Int Tables number4
Space group name H-MP1211

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Components

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Protein , 2 types, 2 molecules AB

#1: Protein HLA class I histocompatibility antigen, A-11 alpha chain / HLA-A*1101 ALPHA-CHAIN / MHC class I antigen A*11


Mass: 31855.051 Da / Num. of mol.: 1 / Fragment: EXTRACELLULAR FRAGMENT
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Plasmid: PET-28A / Species (production host): Escherichia coli / Production host: Escherichia coli BL21(DE3) (bacteria) / Strain (production host): BL21 (DE3) / References: UniProt: P13746, UniProt: P04439*PLUS
#2: Protein Beta-2-microglobulin / 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-28A / Species (production host): Escherichia coli / Production host: Escherichia coli BL21(DE3) (bacteria) / Strain (production host): BL21 (DE3) / References: UniProt: P61769

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Protein/peptide , 1 types, 1 molecules C

#3: Protein/peptide SARS NUCLEOCAPSID PEPTIDE / N structural protein / NC


Mass: 1046.214 Da / Num. of mol.: 1 / Source method: obtained synthetically
Details: CHEMICALLY SYNTHESIZED PEPTIDE. THIS SEQUENCE OCCURS NATURALLY IN SARS CORONAVIRUS NUCLEOCAPSID PROTEIN, POSITION 362-370.
References: UniProt: P59595

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Non-polymers , 3 types, 584 molecules

#4: Chemical ChemComp-SO4 / SULFATE ION / Sulfate


Mass: 96.063 Da / Num. of mol.: 3 / Source method: obtained synthetically / Formula: SO4
#5: Chemical
ChemComp-GOL / GLYCEROL / GLYCERIN / PROPANE-1,2,3-TRIOL / Glycerol


Mass: 92.094 Da / Num. of mol.: 7 / Source method: obtained synthetically / Formula: C3H8O3
#6: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 574 / 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: 2.07 Å3/Da / Density % sol: 40.5 %
Crystal growTemperature: 293.15 K / Method: vapor diffusion, hanging drop / pH: 6.5
Details: 25% PEG 5000 MME, 0.2M AMMONIUM SULFATE, 0.1M MES PH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293.15K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: BESSY / Beamline: 14.2 / Wavelength: 0.9815 / Wavelength: 0.9815 Å
DetectorType: MARRESEARCH / Detector: CCD / Date: Aug 28, 2003
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.9815 Å / Relative weight: 1
ReflectionResolution: 1.45→36 Å / Num. all: 81898 / Num. obs: 81898 / % possible obs: 100 % / Observed criterion σ(F): -6 / Observed criterion σ(I): -3 / Redundancy: 4.84 % / Biso Wilson estimate: 14.9 Å2 / Rmerge(I) obs: 0.104 / Rsym value: 0.104 / Net I/σ(I): 15.94
Reflection shellResolution: 1.45→1.48 Å / Redundancy: 3.94 % / Rmerge(I) obs: 0.45 / Mean I/σ(I) obs: 3.14 / Num. unique all: 4079 / Rsym value: 0.45 / % possible all: 100

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Processing

Software
NameClassification
DENZOdata reduction
SCALEPACKdata scaling
AMoREphasing
SHELXL-97refinement
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 1HLA

1hla


Resolution: 1.45→30 Å / Num. parameters: 34721 / Num. restraintsaints: 42247 / Isotropic thermal model: ANISOTROPIC / Cross valid method: THROUGHOUT / σ(F): 0 / Stereochemistry target values: Engh & Huber
Details: ANISOTROPIC REFINEMENT REDUCED FREE R (NO CUTOFF) BY 2.29 %
RfactorNum. reflection% reflectionSelection details
Rfree0.1807 4099 5 %RANDOM
Rwork0.1325 ---
all0.1346 81894 --
obs0.1346 81894 99.1 %-
Displacement parametersBiso mean: 23 Å2
Refine analyzeNum. disordered residues: 20 / Occupancy sum hydrogen: 2823.81 / Occupancy sum non hydrogen: 3773.22
Refinement stepCycle: LAST / Resolution: 1.45→30 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms3148 0 57 574 3779
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONs_bond_d0.011
X-RAY DIFFRACTIONs_angle_d0.028
X-RAY DIFFRACTIONs_similar_dist0
X-RAY DIFFRACTIONs_from_restr_planes0.0275
X-RAY DIFFRACTIONs_zero_chiral_vol0.053
X-RAY DIFFRACTIONs_non_zero_chiral_vol0.065
X-RAY DIFFRACTIONs_anti_bump_dis_restr0.019
X-RAY DIFFRACTIONs_rigid_bond_adp_cmpnt0.004
X-RAY DIFFRACTIONs_similar_adp_cmpnt0.06
X-RAY DIFFRACTIONs_approx_iso_adps0.083

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