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- PDB-1jwm: Crystal Structure of the Complex of the MHC Class II Molecule HLA... -

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Basic information

Entry
Database: PDB / ID: 1jwm
TitleCrystal Structure of the Complex of the MHC Class II Molecule HLA-DR1(HA peptide 306-318) with the Superantigen SEC3
Components
  • Enterotoxin type C-3
  • HA peptide
  • HLA class II histocompatibility antigen, DR alpha chain
  • HLA class II histocompatibility antigen, DR-1 beta chain
KeywordsIMMUNE SYSTEM / HLA-DR1 alpha subunit / HLA-DR1 beta subunit
Function / homology
Function and homology information


regulation of interleukin-4 production / regulation of interleukin-10 production / positive regulation of T cell mediated immune response to tumor cell / myeloid dendritic cell antigen processing and presentation / antigen processing and presentation of endogenous peptide antigen via MHC class II / autolysosome membrane / regulation of T-helper cell differentiation / positive regulation of CD4-positive, CD25-positive, alpha-beta regulatory T cell differentiation / MHC class II receptor activity / positive regulation of CD4-positive, alpha-beta T cell activation ...regulation of interleukin-4 production / regulation of interleukin-10 production / positive regulation of T cell mediated immune response to tumor cell / myeloid dendritic cell antigen processing and presentation / antigen processing and presentation of endogenous peptide antigen via MHC class II / autolysosome membrane / regulation of T-helper cell differentiation / positive regulation of CD4-positive, CD25-positive, alpha-beta regulatory T cell differentiation / MHC class II receptor activity / positive regulation of CD4-positive, alpha-beta T cell activation / antigen processing and presentation of peptide or polysaccharide antigen via MHC class II / positive regulation of memory T cell differentiation / positive regulation of monocyte differentiation / CD4 receptor binding / positive regulation of kinase activity / inflammatory response to antigenic stimulus / transport vesicle membrane / intermediate filament / polysaccharide binding / T-helper 1 type immune response / Translocation of ZAP-70 to Immunological synapse / Phosphorylation of CD3 and TCR zeta chains / positive regulation of insulin secretion involved in cellular response to glucose stimulus / humoral immune response / macrophage differentiation / negative regulation of type II interferon production / Generation of second messenger molecules / immunological synapse / PD-1 signaling / epidermis development / detection of bacterium / T cell receptor binding / negative regulation of T cell proliferation / negative regulation of inflammatory response to antigenic stimulus / MHC class II antigen presentation / trans-Golgi network membrane / lumenal side of endoplasmic reticulum membrane / protein tetramerization / clathrin-coated endocytic vesicle membrane / ER to Golgi transport vesicle membrane / structural constituent of cytoskeleton / cognition / peptide antigen assembly with MHC class II protein complex / MHC class II protein complex / positive regulation of T cell mediated cytotoxicity / peptide antigen binding / endocytic vesicle membrane / antigen processing and presentation of exogenous peptide antigen via MHC class II / Interferon gamma signaling / positive regulation of immune response / positive regulation of T cell activation / Downstream TCR signaling / MHC class II protein complex binding / late endosome membrane / T cell receptor signaling pathway / early endosome membrane / toxin activity / positive regulation of canonical NF-kappaB signal transduction / adaptive immune response / positive regulation of MAPK cascade / positive regulation of viral entry into host cell / lysosome / positive regulation of ERK1 and ERK2 cascade / immune response / positive regulation of protein phosphorylation / lysosomal membrane / external side of plasma membrane / Golgi membrane / positive regulation of DNA-templated transcription / cell surface / signal transduction / extracellular space / extracellular exosome / extracellular region / membrane / metal ion binding / plasma membrane
Similarity search - Function
Staphylococcal enterotoxin/Streptococcal pyrogenic exotoxin signature 1. / Staphylococcal/streptococcal toxin, bacterial / Staphylococcal/Streptococcal toxin, OB-fold / Staphylococcal/Streptococcal toxin, OB-fold domain / Staphylococcal/Streptococcal toxin, beta-grasp domain / Staphylococcal/Streptococcal toxin, beta-grasp domain / Staphylococcal enterotoxin/Streptococcal pyrogenic exotoxin, conserved site / Staphyloccocal enterotoxin/Streptococcal pyrogenic exotoxin signature 2. / Superantigen, staphylococcal/streptococcal toxin, bacterial / Ubiquitin-like (UB roll) - #120 ...Staphylococcal enterotoxin/Streptococcal pyrogenic exotoxin signature 1. / Staphylococcal/streptococcal toxin, bacterial / Staphylococcal/Streptococcal toxin, OB-fold / Staphylococcal/Streptococcal toxin, OB-fold domain / Staphylococcal/Streptococcal toxin, beta-grasp domain / Staphylococcal/Streptococcal toxin, beta-grasp domain / Staphylococcal enterotoxin/Streptococcal pyrogenic exotoxin, conserved site / Staphyloccocal enterotoxin/Streptococcal pyrogenic exotoxin signature 2. / Superantigen, staphylococcal/streptococcal toxin, bacterial / Ubiquitin-like (UB roll) - #120 / Superantigen toxin, C-terminal / Class II Histocompatibility Antigen, M Beta Chain; Chain B, domain 1 / Class II Histocompatibility Antigen, M Beta Chain; Chain B, domain 1 / OB fold (Dihydrolipoamide Acetyltransferase, E2P) - #110 / MHC class II, beta chain, N-terminal / Class II histocompatibility antigen, beta domain / Class II histocompatibility antigen, beta domain / MHC class II, alpha chain, N-terminal / Class II histocompatibility antigen, alpha domain / Class II histocompatibility antigen, alpha domain / MHC class II, alpha/beta chain, N-terminal / Enterotoxin / MHC classes I/II-like antigen recognition protein / Ubiquitin-like (UB roll) / OB fold (Dihydrolipoamide Acetyltransferase, E2P) / 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 / Roll / Immunoglobulin-like fold / Immunoglobulin-like / Beta Barrel / Sandwich / Mainly Beta / Alpha Beta
Similarity search - Domain/homology
HLA class II histocompatibility antigen, DR alpha chain / HLA class II histocompatibility antigen, DRB1 beta chain / HLA class II histocompatibility antigen, DRB1 beta chain / Enterotoxin type C-3
Similarity search - Component
Biological speciesHomo sapiens (human)
Staphylococcus aureus (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.7 Å
AuthorsSundberg, E.J. / Andersen, P.S. / Schlievert, P.M. / Karjalainen, K. / Mariuzza, R.A.
CitationJournal: Structure / Year: 2003
Title: Structural, energetic, and functional analysis of a protein-protein interface at distinct stages of affinity maturation
Authors: Sundberg, E.J. / Andersen, P.S. / Schlievert, P.M. / Karjalainen, K. / Mariuzza, R.A.
History
DepositionSep 4, 2001Deposition site: RCSB / Processing site: RCSB
Revision 1.0Jul 8, 2003Provider: 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 class II histocompatibility antigen, DR alpha chain
B: HLA class II histocompatibility antigen, DR-1 beta chain
C: HA peptide
D: Enterotoxin type C-3


Theoretical massNumber of molelcules
Total (without water)72,3664
Polymers72,3664
Non-polymers00
Water2,504139
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)171.695, 171.695, 120.796
Angle α, β, γ (deg.)90.00, 90.00, 120.00
Int Tables number146
Space group name H-MH3

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Components

#1: Protein HLA class II histocompatibility antigen, DR alpha chain


Mass: 21155.904 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Production host: Escherichia coli (E. coli) / References: UniProt: P01903
#2: Protein HLA class II histocompatibility antigen, DR-1 beta chain


Mass: 22080.664 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Production host: Escherichia coli (E. coli) / References: UniProt: P04229, UniProt: P01911*PLUS
#3: Protein/peptide HA peptide


Mass: 1506.807 Da / Num. of mol.: 1 / Source method: obtained synthetically / Details: The Peptide was Chemically Synthesized
#4: Protein Enterotoxin type C-3 / SEC3


Mass: 27622.988 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Staphylococcus aureus (bacteria) / Production host: Escherichia coli (E. coli) / References: UniProt: P0A0L5
#5: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 139 / 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: 4.73 Å3/Da / Density % sol: 74.01 %
Crystal growTemperature: 298 K / Method: vapor diffusion, hanging drop / pH: 4.6
Details: PEG 4000, Sodium Acetate, Ethylene Glycol, pH 4.6, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal grow
*PLUS
Method: vapor diffusion, hanging drop
Components of the solutions
*PLUS
IDConc.Common nameCrystal-IDSol-IDDetails
110 mg/mlprotein1drop
20.1 Msodium acetate1reservoirpH4.6
310 %ethylene glycol1reservoir
42-4 %PEG40001reservoir

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: APS / Beamline: 19-ID / Wavelength: 1.008
DetectorType: ADSC QUANTUM 4 / Detector: CCD / Date: Mar 18, 2000
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.008 Å / Relative weight: 1
ReflectionResolution: 2.7→20 Å / Num. obs: 34242 / % possible obs: 94.1 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Biso Wilson estimate: 28.6 Å2 / Rsym value: 0.085 / Net I/σ(I): 15.4
Reflection shellResolution: 2.7→2.8 Å / Rsym value: 0.316 / % possible all: 94.9
Reflection
*PLUS
Num. measured all: 134545 / Rmerge(I) obs: 0.085
Reflection shell
*PLUS
% possible obs: 94.9 % / Rmerge(I) obs: 0.316 / Mean I/σ(I) obs: 3

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Processing

Software
NameVersionClassification
DENZOdata reduction
SCALEPACKdata scaling
AMoREphasing
CNS1refinement
RefinementMethod to determine structure: MOLECULAR REPLACEMENT / Resolution: 2.7→14.98 Å / Rfactor Rfree error: 0.006 / Data cutoff high absF: 212667.35 / Data cutoff low absF: 0 / Isotropic thermal model: RESTRAINED / Cross valid method: THROUGHOUT / σ(F): 2
RfactorNum. reflection% reflectionSelection details
Rfree0.228 1473 4.9 %RANDOM
Rwork0.192 ---
obs0.192 29854 82.3 %-
Solvent computationSolvent model: FLAT MODEL / Bsol: 25.9144 Å2 / ksol: 0.321777 e/Å3
Displacement parametersBiso mean: 41 Å2
Baniso -1Baniso -2Baniso -3
1-2.76 Å28.96 Å20 Å2
2--2.9 Å20 Å2
3----5.66 Å2
Refine analyze
FreeObs
Luzzati coordinate error0.36 Å0.3 Å
Luzzati d res low-5 Å
Luzzati sigma a0.37 Å0.32 Å
Refinement stepCycle: LAST / Resolution: 2.7→14.98 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms5007 0 0 139 5146
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONc_bond_d0.007
X-RAY DIFFRACTIONc_angle_deg1.4
X-RAY DIFFRACTIONc_dihedral_angle_d25.1
X-RAY DIFFRACTIONc_improper_angle_d0.75
LS refinement shellResolution: 2.7→2.87 Å / Rfactor Rfree error: 0.023 / Total num. of bins used: 6
RfactorNum. reflection% reflection
Rfree0.305 183 4.9 %
Rwork0.253 3538 -
obs--61.7 %
Xplor file
Refine-IDSerial noParam fileTopol file
X-RAY DIFFRACTION1PROTEIN_REP.PARAMPROTEIN.TOP
X-RAY DIFFRACTION2WATER_REP.PARAM
Refinement
*PLUS
Highest resolution: 2.7 Å / % reflection Rfree: 4.1 %
Solvent computation
*PLUS
Displacement parameters
*PLUS
Refine LS restraints
*PLUS
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONc_bond_d0.008
X-RAY DIFFRACTIONc_angle_deg1.361
X-RAY DIFFRACTIONc_dihedral_angle_d
X-RAY DIFFRACTIONc_dihedral_angle_deg25.1
X-RAY DIFFRACTIONc_improper_angle_d
X-RAY DIFFRACTIONc_improper_angle_deg0.75
LS refinement shell
*PLUS
Lowest resolution: 2.8 Å

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