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- PDB-1ld9: THE THREE-DIMENSIONAL STRUCTURE OF AN H-2LD PEPTIDE COMPLEX EXPLA... -

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Basic information

Entry
Database: PDB / ID: 1ld9
TitleTHE THREE-DIMENSIONAL STRUCTURE OF AN H-2LD PEPTIDE COMPLEX EXPLAINS THE UNIQUE INTERACTION OF LD WITH BETA2M AND PEPTIDE
Components
  • BETA-2 MICROGLOBULIN
  • MHC CLASS I H-2LD HEAVY CHAIN
  • NANO-PEPTIDE
KeywordsMAJOR HISTOCOMPATIBILITY COMPLEX / LD
Function / homology
Function and homology information


positive regulation of antibody-dependent cellular cytotoxicity / regulation of natural killer cell mediated immunity / positive regulation of TRAIL production / antigen processing and presentation of exogenous peptide antigen via MHC class Ib / MHC class Ib protein complex / positive regulation of natural killer cell mediated immunity / positive regulation of natural killer cell cytokine production / natural killer cell tolerance induction / natural killer cell lectin-like receptor binding / negative regulation of natural killer cell activation ...positive regulation of antibody-dependent cellular cytotoxicity / regulation of natural killer cell mediated immunity / positive regulation of TRAIL production / antigen processing and presentation of exogenous peptide antigen via MHC class Ib / MHC class Ib protein complex / positive regulation of natural killer cell mediated immunity / positive regulation of natural killer cell cytokine production / natural killer cell tolerance induction / natural killer cell lectin-like receptor binding / negative regulation of natural killer cell activation / positive regulation of natural killer cell activation / negative regulation of natural killer cell mediated cytotoxicity / positive regulation of natural killer cell mediated cytotoxicity / positive regulation of interleukin-13 production / Endosomal/Vacuolar pathway / DAP12 interactions / Antigen Presentation: Folding, assembly and peptide loading of class I MHC / ER-Phagosome pathway / positive regulation of natural killer cell proliferation / DAP12 signaling / Immunoregulatory interactions between a Lymphoid and a non-Lymphoid cell / positive regulation of immunoglobulin production / 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 / regulation of membrane depolarization / positive regulation of interleukin-4 production / MHC class I protein binding / protection from natural killer cell mediated cytotoxicity / cellular defense response / beta-2-microglobulin binding / T cell receptor binding / negative regulation of T cell proliferation / 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 / 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 / response to molecule of bacterial origin / 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 / defense response / 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 tumor necrosis factor production / positive regulation of immune response / antimicrobial humoral immune response mediated by antimicrobial peptide / 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 / T cell differentiation in thymus / iron ion transport / protein-folding chaperone binding / protein refolding / antibacterial humoral response / protein homotetramerization / intracellular iron ion homeostasis / adaptive immune response / cellular response to lipopolysaccharide / defense response to Gram-negative bacterium / amyloid fibril formation / learning or memory / defense response to Gram-positive bacterium / immune response / lysosomal membrane / external side of plasma membrane / signaling receptor binding / innate immune response / structural molecule activity / Golgi apparatus / cell surface / endoplasmic reticulum / protein homodimerization activity / extracellular space / identical protein binding / plasma membrane / cytosol
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
Beta-2-microglobulin / H-2 class I histocompatibility antigen, L-D alpha chain
Similarity search - Component
Biological speciesMus musculus (house mouse)
MethodX-RAY DIFFRACTION / MOLECULAR REPLACEMENT / Resolution: 2.4 Å
AuthorsBalendiran, G.K. / Solheim, J.C. / Young, A.C.M. / Hansen, T.H. / Nathenson, S.G. / Sacchettini, J.C.
CitationJournal: Proc.Natl.Acad.Sci.USA / Year: 1997
Title: The three-dimensional structure of an H-2Ld-peptide complex explains the unique interaction of Ld with beta-2 microglobulin and peptide.
Authors: Balendiran, G.K. / Solheim, J.C. / Young, A.C. / Hansen, T.H. / Nathenson, S.G. / Sacchettini, J.C.
History
DepositionApr 24, 1997Processing site: BNL
Revision 1.0May 6, 1998Provider: repository / Type: Initial release
Revision 1.1Mar 24, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance
Revision 1.3Aug 9, 2023Group: Database references / Refinement description / Category: database_2 / pdbx_initial_refinement_model
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: MHC CLASS I H-2LD HEAVY CHAIN
B: BETA-2 MICROGLOBULIN
C: NANO-PEPTIDE
D: MHC CLASS I H-2LD HEAVY CHAIN
E: BETA-2 MICROGLOBULIN
F: NANO-PEPTIDE


Theoretical massNumber of molelcules
Total (without water)87,5746
Polymers87,5746
Non-polymers00
Water0
1
A: MHC CLASS I H-2LD HEAVY CHAIN
B: BETA-2 MICROGLOBULIN
C: NANO-PEPTIDE


Theoretical massNumber of molelcules
Total (without water)43,7873
Polymers43,7873
Non-polymers00
Water0
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area4410 Å2
ΔGint-19 kcal/mol
Surface area19060 Å2
MethodPISA
2
D: MHC CLASS I H-2LD HEAVY CHAIN
E: BETA-2 MICROGLOBULIN
F: NANO-PEPTIDE


Theoretical massNumber of molelcules
Total (without water)43,7873
Polymers43,7873
Non-polymers00
Water0
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area4370 Å2
ΔGint-19 kcal/mol
Surface area19090 Å2
MethodPISA
Unit cell
Length a, b, c (Å)150.100, 87.200, 80.300
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number18
Space group name H-MP21212
Noncrystallographic symmetry (NCS)NCS oper: (Code: given
Matrix: (-0.993104, -0.112873, 0.031701), (-0.113613, 0.993268, -0.022618), (-0.028935, -0.026064, -0.999241)
Vector: 153.24229, -25.3366, 74.5267)

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Components

#1: Protein MHC CLASS I H-2LD HEAVY CHAIN / LD


Mass: 30964.395 Da / Num. of mol.: 2 / Fragment: EXTRACELLULAR DOMAINS
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Mus musculus (house mouse) / Cell line: 293 / Production host: Escherichia coli (E. coli) / Strain (production host): 293 / References: UniProt: P01897
#2: Protein BETA-2 MICROGLOBULIN /


Mass: 11704.359 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Mus musculus (house mouse) / Cell line: 293 / Production host: Escherichia coli (E. coli) / Strain (production host): 293 / References: UniProt: P01887
#3: Protein/peptide NANO-PEPTIDE


Mass: 1118.221 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source

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Experimental details

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Experiment

ExperimentMethod: X-RAY DIFFRACTION / Number of used crystals: 2

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Sample preparation

CrystalDensity Matthews: 3 Å3/Da / Density % sol: 58.98 % / Description: THE DATA IS 75% COMPLETE TO 2.5 ANGSTROMS.
Crystal growpH: 6.5 / Details: pH 6.5
Crystal grow
*PLUS
pH: 8.5 / Method: vapor diffusion, hanging drop
Components of the solutions
*PLUS
IDConc.Common nameCrystal-IDSol-IDChemical formula
15 mg/mlpeptide1drop
20.7 M1dropNa2SO4
31-4 %glycerol1drop
41.4 M1reservoirNa2SO4
52-8 %glycerol1reservoir

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Data collection

DiffractionMean temperature: 287 K
Diffraction sourceSource: ROTATING ANODE / Type: RIGAKU RUH2R / Wavelength: 1.5418
DetectorType: SIEMENS / Detector: AREA DETECTOR / Date: Aug 27, 1995 / Details: MIRROR
RadiationMonochromator: NI FILTER / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.5418 Å / Relative weight: 1
ReflectionResolution: 2.4→20 Å / Num. obs: 28578 / % possible obs: 67 % / Observed criterion σ(I): 2 / Redundancy: 2.4 % / Rmerge(I) obs: 0.09 / Rsym value: 0.09 / Net I/σ(I): 3.7
Reflection shellResolution: 2.4→2.5 Å / Redundancy: 2.4 % / Rmerge(I) obs: 0.13 / Mean I/σ(I) obs: 3.7 / Rsym value: 0.097 / % possible all: 58
Reflection shell
*PLUS
% possible obs: 58 %

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Processing

Software
NameClassification
XENGENdata collection
XENGENdata reduction
AMoREphasing
X-PLORrefinement
XENGENdata scaling
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB ENTRY 1HOC

1hoc


Highest resolution: 2.4 Å /
Rfactor% reflection
Rfree0.279 -
Rwork0.186 -
obs0.186 75 %
Refinement stepCycle: LAST / Highest resolution: 2.4 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms6168 0 0 0 6168
Software
*PLUS
Name: X-PLOR / Classification: refinement
Refine LS restraints
*PLUS
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONx_bond_d0.014
X-RAY DIFFRACTIONx_angle_deg2.1

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