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- PDB-1duz: HUMAN CLASS I HISTOCOMPATIBILITY ANTIGEN (HLA-A 0201) IN COMPLEX ... -

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Basic information

Entry
Database: PDB / ID: 1duz
TitleHUMAN CLASS I HISTOCOMPATIBILITY ANTIGEN (HLA-A 0201) IN COMPLEX WITH A NONAMERIC PEPTIDE FROM HTLV-1 TAX PROTEIN
Components
  • BETA-2 MICROGLOBULIN
  • HLA-A*0201
  • HTLV-1 OCTAMERIC TAX PEPTIDE
KeywordsIMMUNE SYSTEM / Immunoglobulin fold
Function / homology
Function and homology information


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 ...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 / 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 / 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 / ER-Phagosome pathway / antibacterial humoral response / iron ion transport / T cell receptor signaling pathway / protein refolding / early endosome membrane / protein homotetramerization / intracellular iron ion homeostasis / amyloid fibril formation / learning or memory / defense response to Gram-positive bacterium / immune response / Amyloid fiber formation / lysosomal membrane / endoplasmic reticulum lumen / external side of plasma membrane / Golgi membrane / signaling receptor binding / focal adhesion / innate immune response / Neutrophil degranulation / endoplasmic reticulum membrane / SARS-CoV-2 activates/modulates innate and adaptive immune responses / structural molecule activity / Golgi apparatus / cell surface / endoplasmic reticulum
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 classes I/II-like antigen recognition 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
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 / Resolution: 1.8 Å
AuthorsKhan, A.R. / Baker, B.M. / Ghosh, P. / Biddison, W.E. / Wiley, D.C.
Citation
Journal: J.Immunol. / Year: 2000
Title: The structure and stability of an HLA-A*0201/octameric tax peptide complex with an empty conserved peptide-N-terminal binding site.
Authors: Khan, A.R. / Baker, B.M. / Ghosh, P. / Biddison, W.E. / Wiley, D.C.
#1: Journal: Cell(Cambridge,Mass.) / Year: 1993
Title: The Antigenic Identity of peptide-MHC Complexes: a Comparison of the Conformations of Five Viral Peptides Presented by HLA-A2
Authors: Madden, D.R. / Garboczi, D.N. / Wiley, D.C.
History
DepositionJan 19, 2000Deposition site: RCSB / Processing site: RCSB
Revision 1.0Feb 4, 2000Provider: repository / Type: Initial release
Revision 1.1Apr 27, 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: HLA-A*0201
B: BETA-2 MICROGLOBULIN
C: HTLV-1 OCTAMERIC TAX PEPTIDE
D: HLA-A*0201
E: BETA-2 MICROGLOBULIN
F: HTLV-1 OCTAMERIC TAX PEPTIDE


Theoretical massNumber of molelcules
Total (without water)89,6086
Polymers89,6086
Non-polymers00
Water10,953608
1
A: HLA-A*0201
B: BETA-2 MICROGLOBULIN
C: HTLV-1 OCTAMERIC TAX PEPTIDE


Theoretical massNumber of molelcules
Total (without water)44,8043
Polymers44,8043
Non-polymers00
Water543
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area4420 Å2
ΔGint-23 kcal/mol
Surface area19120 Å2
MethodPISA
2
D: HLA-A*0201
E: BETA-2 MICROGLOBULIN
F: HTLV-1 OCTAMERIC TAX PEPTIDE


Theoretical massNumber of molelcules
Total (without water)44,8043
Polymers44,8043
Non-polymers00
Water543
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area4500 Å2
ΔGint-21 kcal/mol
Surface area19120 Å2
MethodPISA
Unit cell
Length a, b, c (Å)50.560, 63.790, 75.080
Angle α, β, γ (deg.)81.58, 75.66, 77.38
Int Tables number1
Space group name H-MP1

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Components

#1: Protein HLA-A*0201


Mass: 31854.203 Da / Num. of mol.: 2 / Fragment: HEAVY CHAIN
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Production host: Escherichia coli (E. coli) / References: UniProt: P01892, UniProt: P04439*PLUS
#2: Protein BETA-2 MICROGLOBULIN /


Mass: 11879.356 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Production host: Escherichia coli (E. coli) / References: UniProt: P61769
#3: Protein/peptide HTLV-1 OCTAMERIC TAX PEPTIDE


Mass: 1070.280 Da / Num. of mol.: 2 / Source method: obtained synthetically
Details: Peptide was obtained through standard solid-phase peptide synthesis
#4: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 608 / 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: 2.54 Å3/Da / Density % sol: 51.61 %
Crystal growTemperature: 298 K / Method: vapor diffusion, hanging drop / pH: 6.5
Details: 13-20% polyethylene glycol 6000, 25 mM MES buffer, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal grow
*PLUS
Components of the solutions
*PLUS
IDConc.Common nameCrystal-IDSol-ID
15 mg/mlprotein1drop
225 mMMES1drop
313-20 %PEG60001reservoir
425 mMMES1reservoir

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: ROTATING ANODE / Type: ELLIOTT GX-13 / Wavelength: 1.5418
DetectorType: MARRESEARCH / Detector: IMAGE PLATE / Date: Nov 27, 1996
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.5418 Å / Relative weight: 1
ReflectionResolution: 1.8→50 Å / Num. all: 72184 / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Biso Wilson estimate: 23.4 Å2
Reflection
*PLUS
Num. obs: 72184 / % possible obs: 85.3 % / Num. measured all: 137168 / Rmerge(I) obs: 0.042

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Processing

Software
NameVersionClassification
DENZOdata reduction
SCALEPACKdata scaling
AMoREphasing
CNS0.9refinement
RefinementResolution: 1.8→50 Å / σ(F): 0 / σ(I): 0 / Stereochemistry target values: Engh and Huber
Details: Crystallographically restrained least-squares refinement using CNS
RfactorNum. reflection% reflectionSelection details
Rfree0.2502 7033 -RANDOM
Rwork0.1977 ---
all0.203 84623 --
obs0.203 72184 85.3 %-
Refinement stepCycle: LAST / Resolution: 1.8→50 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms6322 0 0 608 6930
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONc_bond_d0.03
X-RAY DIFFRACTIONc_angle_deg2.4
X-RAY DIFFRACTIONc_torsion_impr_deg1.6
Software
*PLUS
Name: CNS / Version: 0.9 / Classification: refinement
Refinement
*PLUS
Lowest resolution: 50 Å / σ(F): 0 / % reflection Rfree: 10 % / Rfactor obs: 0.1977
Solvent computation
*PLUS
Displacement parameters
*PLUS
Refine LS restraints
*PLUS
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONc_bond_d0.03
X-RAY DIFFRACTIONc_angle_deg2.4
X-RAY DIFFRACTIONc_dihedral_angle_d
X-RAY DIFFRACTIONc_dihedral_angle_deg26.2
X-RAY DIFFRACTIONc_improper_angle_d
X-RAY DIFFRACTIONc_improper_angle_deg1.6
LS refinement shell
*PLUS
Highest resolution: 1.8 Å / Lowest resolution: 1.86 Å / Rfactor Rfree: 0.307 / Rfactor obs: 0.249

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