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- PDB-1b0r: CRYSTAL STRUCTURE OF HLA-A*0201 COMPLEXED WITH A PEPTIDE WITH THE... -

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Basic information

Entry
Database: PDB / ID: 1b0r
TitleCRYSTAL STRUCTURE OF HLA-A*0201 COMPLEXED WITH A PEPTIDE WITH THE CARBOXYL-TERMINAL GROUP SUBSTITUTED BY A METHYL GROUP
Components
  • (PROTEIN (HLA-A*0201)) x 2
  • PROTEIN (INFLUENZA MATRIX PEPTIDE)
KeywordsSIGNALING PROTEIN / HLA-A2 / ANTIGENIC PEPTIDES / CLASS I MHC MOLECULES / HLA-A2 COMPLEXES / HYDROGEN BONDS / PROTEIN STRUCTURE
Function / homology
Function and homology information


positive regulation of memory T cell activation / T cell mediated cytotoxicity directed against tumor cell target / TAP complex binding / 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 / antigen processing and presentation of exogenous peptide antigen via MHC class I / beta-2-microglobulin binding ...positive regulation of memory T cell activation / T cell mediated cytotoxicity directed against tumor cell target / TAP complex binding / 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 / antigen processing and presentation of exogenous peptide antigen via MHC class I / beta-2-microglobulin binding / endoplasmic reticulum exit site / TAP binding / antigen processing and presentation of endogenous peptide antigen via MHC class I via ER pathway, TAP-dependent / 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 / negative regulation of receptor binding / early endosome lumen / Nef mediated downregulation of MHC class I complex cell surface expression / DAP12 interactions / transferrin transport / cellular response to iron ion / lumenal side of endoplasmic reticulum membrane / Endosomal/Vacuolar pathway / Antigen Presentation: Folding, assembly and peptide loading of class I MHC / peptide antigen assembly with MHC class II protein complex / cellular response to iron(III) ion / MHC class II protein complex / negative regulation of forebrain neuron differentiation / antigen processing and presentation of exogenous protein antigen via MHC class Ib, TAP-dependent / ER to Golgi transport vesicle membrane / peptide antigen assembly with MHC class I protein complex / regulation of iron ion transport / regulation of erythrocyte differentiation / HFE-transferrin receptor complex / response to molecule of bacterial origin / MHC class I peptide loading complex / T cell mediated cytotoxicity / positive regulation of T cell cytokine production / antigen processing and presentation of endogenous peptide antigen via MHC class I / antigen processing and presentation of exogenous peptide antigen via MHC class II / positive regulation of immune response / MHC class I protein complex / positive regulation of T cell activation / peptide antigen binding / positive regulation of receptor-mediated endocytosis / negative regulation of neurogenesis / cellular response to nicotine / positive regulation of T cell mediated cytotoxicity / multicellular organismal-level iron ion homeostasis / specific granule lumen / positive regulation of type II interferon production / phagocytic vesicle membrane / recycling endosome membrane / Interferon gamma signaling / Immunoregulatory interactions between a Lymphoid and a non-Lymphoid cell / negative regulation of epithelial cell proliferation / MHC class II protein complex binding / Interferon alpha/beta signaling / Modulation by Mtb of host immune system / late endosome membrane / sensory perception of smell / positive regulation of cellular senescence / antibacterial humoral response / tertiary granule lumen / DAP12 signaling / T cell differentiation in thymus / T cell receptor signaling pathway / E3 ubiquitin ligases ubiquitinate target proteins / negative regulation of neuron projection development / ER-Phagosome pathway / protein refolding / early endosome membrane / protein homotetramerization / amyloid fibril formation / intracellular iron ion homeostasis / learning or memory / defense response to Gram-positive bacterium / immune response / endoplasmic reticulum lumen / Amyloid fiber formation / signaling receptor binding / Golgi membrane / lysosomal membrane / innate immune response / external side of plasma membrane / focal adhesion / Neutrophil degranulation / endoplasmic reticulum membrane / SARS-CoV-2 activates/modulates innate and adaptive immune responses / structural molecule activity / cell surface / endoplasmic reticulum / Golgi apparatus / protein homodimerization activity / extracellular space / RNA binding / extracellular exosome
Similarity search - Function
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 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 / Immunoglobulin-like fold / Immunoglobulins / 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 / Beta-2-microglobulin
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodX-RAY DIFFRACTION / MOLECULAR REPLACEMENT / Resolution: 2.9 Å
AuthorsBouvier, M. / Guo, H. / Smith, K.J. / Wiley, D.C.
CitationJournal: Proteins / Year: 1998
Title: Crystal structures of HLA-A*0201 complexed with antigenic peptides with either the amino- or carboxyl-terminal group substituted by a methyl group.
Authors: Bouvier, M. / Guo, H.C. / Smith, K.J. / Wiley, D.C.
History
DepositionNov 12, 1998Deposition site: BNL / Processing site: RCSB
Revision 1.0Nov 25, 1999Provider: repository / Type: Initial release
Revision 1.1Apr 26, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance
Revision 1.3Dec 21, 2022Group: Database references / Derived calculations / Category: database_2 / struct_conn / struct_ref_seq_dif
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _struct_conn.pdbx_leaving_atom_flag / _struct_ref_seq_dif.details
Revision 1.4Sep 20, 2023Group: Data collection / Refinement description
Category: chem_comp_atom / chem_comp_bond / pdbx_initial_refinement_model
Revision 1.5Oct 30, 2024Group: Structure summary / Category: pdbx_entry_details / pdbx_modification_feature

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: PROTEIN (HLA-A*0201)
B: PROTEIN (HLA-A*0201)
C: PROTEIN (INFLUENZA MATRIX PEPTIDE)


Theoretical massNumber of molelcules
Total (without water)44,6563
Polymers44,6563
Non-polymers00
Water00
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area4310 Å2
ΔGint-23 kcal/mol
Surface area18590 Å2
MethodPISA
Unit cell
Length a, b, c (Å)49.600, 74.400, 121.400
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number19
Space group name H-MP212121

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Components

#1: Protein PROTEIN (HLA-A*0201)


Mass: 31854.203 Da / Num. of mol.: 1 / Fragment: EXTRACELLULAR DOMAINS ALPHA 1,ALPHA 2 AND ALPHA 3
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Cellular location: EXTRACELLULAR / Plasmid: PHN1 / Cellular location (production host): INCLUSION BODIES / Production host: Escherichia coli (E. coli) / Strain (production host): XA90 / References: UniProt: P01892, UniProt: P04439*PLUS
#2: Protein PROTEIN (HLA-A*0201)


Mass: 11879.356 Da / Num. of mol.: 1 / Fragment: BETA 2 MICROGLOBULIN
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Cellular location: EXTRACELLULAR / Plasmid: PHN1 / Cellular location (production host): INCLUSION BODIES / Production host: Escherichia coli (E. coli) / Strain (production host): XA90 / References: UniProt: P61769
#3: Protein/peptide PROTEIN (INFLUENZA MATRIX PEPTIDE)


Mass: 922.164 Da / Num. of mol.: 1 / Mutation: NON / Source method: obtained synthetically / Details: MATRIX PEPTIDE
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: 2.51 Å3/Da / Density % sol: 50.96 %
Crystal growpH: 6.5 / Details: pH 6.50
Crystal grow
*PLUS
Method: vapor diffusion, hanging drop
Components of the solutions
*PLUS
IDConc.Common nameCrystal-IDSol-ID
13-7 mg/mlprotein1drop
216 %PEG60001drop
325 mMMES1drop
40.1 %sodium azide1drop
513-17 %PEG60001reservoir
625 mMMES1reservoir
70.1 %sodium azide1reservoir

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceWavelength: 1.5418
DetectorType: MAR scanner 180 mm plate / Detector: IMAGE PLATE
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.5418 Å / Relative weight: 1
ReflectionResolution: 2.9→15 Å / Num. obs: 9323 / % possible obs: 89 % / Observed criterion σ(I): -3 / Redundancy: 4.3 % / Biso Wilson estimate: 29.1 Å2 / Rmerge(I) obs: 0.068 / Net I/σ(I): 17.9
Reflection shellResolution: 2.9→3 Å / Rmerge(I) obs: 0.192 / Mean I/σ(I) obs: 6 / % possible all: 92
Reflection shell
*PLUS
% possible obs: 92 %

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Processing

Software
NameVersionClassification
DENZOdata reduction
SCALEPACKdata scaling
X-PLORmodel building
X-PLOR3.1refinement
X-PLORphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 1HHI

1hhi


Resolution: 2.9→6 Å / Rfactor Rfree error: 0.011 / Cross valid method: THROUGHOUT / σ(F): 2
RfactorNum. reflection% reflectionSelection details
Rfree0.314 854 10 %RANDOM
Rwork0.253 ---
obs0.253 8304 90.5 %-
Displacement parametersBiso mean: 15.1 Å2
Refine analyze
FreeObs
Luzzati coordinate error0.48 Å0.38 Å
Luzzati d res low-5 Å
Luzzati sigma a0.57 Å0.52 Å
Refinement stepCycle: LAST / Resolution: 2.9→6 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms3092 0 0 0 3092
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONx_bond_d0.011
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_deg1.7
X-RAY DIFFRACTIONx_angle_deg_na
X-RAY DIFFRACTIONx_angle_deg_prot
X-RAY DIFFRACTIONx_dihedral_angle_d26.6
X-RAY DIFFRACTIONx_dihedral_angle_d_na
X-RAY DIFFRACTIONx_dihedral_angle_d_prot
X-RAY DIFFRACTIONx_improper_angle_d1.48
X-RAY DIFFRACTIONx_improper_angle_d_na
X-RAY DIFFRACTIONx_improper_angle_d_prot
X-RAY DIFFRACTIONx_mcbond_it
X-RAY DIFFRACTIONx_mcangle_it
X-RAY DIFFRACTIONx_scbond_it
X-RAY DIFFRACTIONx_scangle_it
Xplor file
Refine-IDSerial noParam fileTopol file
X-RAY DIFFRACTION1PARHCSDX.PROTOPHCSHX.PRO
X-RAY DIFFRACTION2TOPH19.PEP
Software
*PLUS
Name: X-PLOR / Version: 3.1 / Classification: refinement
Refine LS restraints
*PLUS
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONx_dihedral_angle_d
X-RAY DIFFRACTIONx_dihedral_angle_deg26.6
X-RAY DIFFRACTIONx_improper_angle_d
X-RAY DIFFRACTIONx_improper_angle_deg1.48
LS refinement shell
*PLUS
Highest resolution: 2.9 Å / Lowest resolution: 3.03 Å / Rfactor Rfree: 0.424 / Rfactor Rwork: 0.36

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