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- PDB-1j8h: Crystal Structure of a Complex of a Human alpha/beta-T cell Recep... -

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Entry
Database: PDB / ID: 1j8h
TitleCrystal Structure of a Complex of a Human alpha/beta-T cell Receptor, Influenza HA Antigen Peptide, and MHC Class II Molecule, HLA-DR4
Components
  • (HLA CLASS II HISTOCOMPATIBILITY ANTIGEN, ...) x 2
  • (T-CELL RECEPTOR ...) x 2
  • HEMAGGLUTININ HA1 PEPTIDE CHAIN
KeywordsIMMUNE SYSTEM / protein-protein complex / immunoglobulin fold
Function / homology
Function and homology information


regulation of interleukin-4 production / regulation of interleukin-10 production / 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 ...regulation of interleukin-4 production / regulation of interleukin-10 production / 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 T cell mediated immune response to tumor cell / positive regulation of kinase activity / positive regulation of memory T cell differentiation / alpha-beta T cell receptor complex / positive regulation of monocyte differentiation / inflammatory response to antigenic stimulus / CD4 receptor binding / intermediate filament / T-helper 1 type immune response / transport vesicle membrane / Translocation of ZAP-70 to Immunological synapse / Phosphorylation of CD3 and TCR zeta chains / polysaccharide binding / negative regulation of type II interferon production / humoral immune response / alpha-beta T cell activation / macrophage differentiation / Generation of second messenger molecules / immunological synapse / Co-inhibition by PD-1 / epidermis development / positive regulation of insulin secretion involved in cellular response to glucose stimulus / detection of bacterium / T cell receptor binding / negative regulation of T cell proliferation / MHC class II antigen presentation / viral budding from plasma membrane / trans-Golgi network membrane / lumenal side of endoplasmic reticulum membrane / response to bacterium / protein tetramerization / peptide antigen assembly with MHC class II protein complex / negative regulation of inflammatory response to antigenic stimulus / MHC class II protein complex / clathrin-coated endocytic vesicle membrane / ER to Golgi transport vesicle membrane / antigen processing and presentation of exogenous peptide antigen via MHC class II / positive regulation of immune response / positive regulation of T cell activation / peptide antigen binding / structural constituent of cytoskeleton / positive regulation of T cell mediated cytotoxicity / cognition / positive regulation of protein phosphorylation / Interferon gamma signaling / Immunoregulatory interactions between a Lymphoid and a non-Lymphoid cell / MHC class II protein complex binding / endocytic vesicle membrane / late endosome membrane / Downstream TCR signaling / T cell receptor signaling pathway / early endosome membrane / clathrin-dependent endocytosis of virus by host cell / adaptive immune response / positive regulation of viral entry into host cell / positive regulation of ERK1 and ERK2 cascade / lysosome / positive regulation of canonical NF-kappaB signal transduction / positive regulation of MAPK cascade / host cell surface receptor binding / immune response / Golgi membrane / lysosomal membrane / fusion of virus membrane with host plasma membrane / external side of plasma membrane / fusion of virus membrane with host endosome membrane / viral envelope / positive regulation of DNA-templated transcription / virion attachment to host cell / host cell plasma membrane / virion membrane / cell surface / signal transduction / extracellular space / extracellular exosome / membrane / plasma membrane
Similarity search - Function
T-cell receptor alpha chain, constant domain / Class II Histocompatibility Antigen, M Beta Chain; Chain B, domain 1 / Class II Histocompatibility Antigen, M Beta Chain; Chain B, domain 1 / Domain of unknown function (DUF1968) / 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 ...T-cell receptor alpha chain, constant domain / Class II Histocompatibility Antigen, M Beta Chain; Chain B, domain 1 / Class II Histocompatibility Antigen, M Beta Chain; Chain B, domain 1 / Domain of unknown function (DUF1968) / 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 / Haemagglutinin, influenzavirus A / Haemagglutinin, HA1 chain, alpha/beta domain superfamily / Haemagglutinin / Haemagglutinin, influenzavirus A/B / Viral capsid/haemagglutinin protein / : / 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 / Roll / Immunoglobulin-like fold / Immunoglobulins / Immunoglobulin-like / Sandwich / Mainly Beta / Alpha Beta
Similarity search - Domain/homology
: / : / T cell receptor alpha chain constant / T cell receptor beta constant 1 / HLA class II histocompatibility antigen, DR alpha chain / HLA class II histocompatibility antigen, DRB1 beta chain / Hemagglutinin / HLA class II histocompatibility antigen, DRB1 beta chain
Similarity search - Component
Biological speciesHomo sapiens (human)
Influenzavirus A
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.4 Å
AuthorsHennecke, J. / Wiley, D.C.
CitationJournal: J.Exp.Med. / Year: 2002
Title: Structure of a complex of the human alpha/beta T cell receptor (TCR) HA1.7, influenza hemagglutinin peptide, and major histocompatibility complex class II molecule, HLA-DR4 (DRA*0101 and ...Title: Structure of a complex of the human alpha/beta T cell receptor (TCR) HA1.7, influenza hemagglutinin peptide, and major histocompatibility complex class II molecule, HLA-DR4 (DRA*0101 and DRB1*0401): insight into TCR cross-restriction and alloreactivity.
Authors: Hennecke, J. / Wiley, D.C.
History
DepositionMay 21, 2001Deposition site: RCSB / Processing site: RCSB
Revision 1.0Mar 13, 2002Provider: repository / Type: Initial release
Revision 1.1Apr 27, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Non-polymer description / Version format compliance
Revision 2.0Jul 29, 2020Group: Advisory / Atomic model ...Advisory / Atomic model / Data collection / Database references / Derived calculations / Structure summary
Category: atom_site / chem_comp ...atom_site / chem_comp / database_PDB_caveat / entity / pdbx_branch_scheme / pdbx_chem_comp_identifier / pdbx_entity_branch / pdbx_entity_branch_descriptor / pdbx_entity_branch_link / pdbx_entity_branch_list / pdbx_entity_nonpoly / pdbx_nonpoly_scheme / pdbx_struct_assembly_gen / pdbx_validate_chiral / struct_asym / struct_conn / struct_ref_seq_dif / struct_site / struct_site_gen
Item: _atom_site.B_iso_or_equiv / _atom_site.Cartn_x ..._atom_site.B_iso_or_equiv / _atom_site.Cartn_x / _atom_site.Cartn_y / _atom_site.Cartn_z / _atom_site.auth_asym_id / _atom_site.auth_atom_id / _atom_site.auth_comp_id / _atom_site.auth_seq_id / _atom_site.label_asym_id / _atom_site.label_atom_id / _atom_site.label_comp_id / _atom_site.type_symbol / _chem_comp.name / _chem_comp.type / _entity.formula_weight / _entity.pdbx_description / _entity.pdbx_number_of_molecules / _entity.type / _pdbx_struct_assembly_gen.asym_id_list / _struct_conn.pdbx_leaving_atom_flag / _struct_conn.pdbx_role / _struct_conn.ptnr1_auth_asym_id / _struct_conn.ptnr1_auth_seq_id / _struct_conn.ptnr1_label_asym_id / _struct_conn.ptnr2_auth_asym_id / _struct_conn.ptnr2_auth_comp_id / _struct_conn.ptnr2_auth_seq_id / _struct_conn.ptnr2_label_asym_id / _struct_conn.ptnr2_label_comp_id / _struct_ref_seq_dif.details
Description: Carbohydrate remediation / Provider: repository / Type: Remediation
Revision 2.1Oct 27, 2021Group: Database references / Structure summary / Category: chem_comp / database_2 / struct_ref_seq_dif
Item: _chem_comp.pdbx_synonyms / _database_2.pdbx_DOI ..._chem_comp.pdbx_synonyms / _database_2.pdbx_DOI / _database_2.pdbx_database_accession / _struct_ref_seq_dif.details
Revision 2.2Aug 16, 2023Group: Data collection / Refinement description
Category: chem_comp_atom / chem_comp_bond / pdbx_initial_refinement_model
Revision 2.3Oct 16, 2024Group: Structure summary / Category: pdbx_entry_details / pdbx_modification_feature

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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-4 BETA CHAIN
C: HEMAGGLUTININ HA1 PEPTIDE CHAIN
D: T-CELL RECEPTOR ALPHA CHAIN
E: T-CELL RECEPTOR BETA CHAIN
hetero molecules


Theoretical massNumber of molelcules
Total (without water)97,4158
Polymers96,5485
Non-polymers8673
Water5,495305
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area14280 Å2
ΔGint-58 kcal/mol
Surface area36870 Å2
MethodPISA
Unit cell
Length a, b, c (Å)143.753, 73.317, 123.033
Angle α, β, γ (deg.)90.00, 108.52, 90.00
Int Tables number5
Space group name H-MC121

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Components

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HLA CLASS II HISTOCOMPATIBILITY ANTIGEN, ... , 2 types, 2 molecules AB

#1: Protein HLA CLASS II HISTOCOMPATIBILITY ANTIGEN, DR ALPHA CHAIN / HLA-DR1 / DRA


Mass: 21084.826 Da / Num. of mol.: 1 / Fragment: Extracellular Domain
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Cell line (production host): Schneider / Production host: Drosophila melanogaster (fruit fly) / References: UniProt: P01903
#2: Protein HLA CLASS II HISTOCOMPATIBILITY ANTIGEN, DR-4 BETA CHAIN / HLA-DR4 / DRB1*0401


Mass: 22505.994 Da / Num. of mol.: 1 / Fragment: Extracellular Domain
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Cell line (production host): Schneider / Production host: Drosophila melanogaster (fruit fly) / References: UniProt: P13760, UniProt: P01911*PLUS

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T-CELL RECEPTOR ... , 2 types, 2 molecules DE

#4: Protein T-CELL RECEPTOR ALPHA CHAIN / TCR HA1.7 ALPHA CHAIN


Mass: 23408.016 Da / Num. of mol.: 1 / Fragment: Extracellular Domain
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Plasmid: pLM1 / Species (production host): Escherichia coli / Production host: Escherichia coli BL21(DE3) (bacteria) / Strain (production host): BL21(DE3) / References: PIR: RWHUAC, UniProt: P01848*PLUS
#5: Protein T-CELL RECEPTOR BETA CHAIN / TCR HA1.7 BETA CHAIN


Mass: 28042.406 Da / Num. of mol.: 1 / Fragment: Extracellular Domain / Mutation: C192S
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Plasmid: pLM1 / Species (production host): Escherichia coli / Production host: Escherichia coli BL21(DE3) (bacteria) / Strain (production host): BL21(DE3) / References: PIR: S18894, UniProt: P01850*PLUS

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Protein/peptide / Non-polymers , 2 types, 306 molecules C

#3: Protein/peptide HEMAGGLUTININ HA1 PEPTIDE CHAIN


Mass: 1506.807 Da / Num. of mol.: 1 / Fragment: Antigen Peptide
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Influenzavirus A / Genus: Influenzavirus A / Plasmid: pLM1 / Species (production host): Escherichia coli / Production host: Escherichia coli BL21(DE3) (bacteria) / Strain (production host): BL21 (DE3) / References: UniProt: P03437
#8: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 305 / Source method: isolated from a natural source / Formula: H2O

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Sugars , 2 types, 3 molecules

#6: Polysaccharide 2-acetamido-2-deoxy-alpha-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose


Type: oligosaccharide / Mass: 424.401 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
DescriptorTypeProgram
DGlcpNAca1-4DGlcpNAcb1-Glycam Condensed SequenceGMML 1.0
WURCS=2.0/2,2,1/[a2122h-1b_1-5_2*NCC/3=O][a2122h-1a_1-5_2*NCC/3=O]/1-2/a4-b1WURCSPDB2Glycan 1.1.0
[]{[(4+1)][b-D-GlcpNAc]{[(4+1)][a-D-GlcpNAc]{}}}LINUCSPDB-CARE
#7: Sugar ChemComp-NAG / 2-acetamido-2-deoxy-beta-D-glucopyranose / N-acetyl-beta-D-glucosamine / 2-acetamido-2-deoxy-beta-D-glucose / 2-acetamido-2-deoxy-D-glucose / 2-acetamido-2-deoxy-glucose / N-ACETYL-D-GLUCOSAMINE


Type: D-saccharide, beta linking / Mass: 221.208 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Formula: C8H15NO6
IdentifierTypeProgram
DGlcpNAcbCONDENSED IUPAC CARBOHYDRATE SYMBOLGMML 1.0
N-acetyl-b-D-glucopyranosamineCOMMON NAMEGMML 1.0
b-D-GlcpNAcIUPAC CARBOHYDRATE SYMBOLPDB-CARE 1.0
GlcNAcSNFG CARBOHYDRATE SYMBOLGMML 1.0

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Details

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: 3.18 Å3/Da / Density % sol: 61.35 %
Crystal growTemperature: 291 K / Method: vapor diffusion, sitting drop / pH: 7
Details: 13% PEG 8000, 1 M NaCl, 100 mM HEPES, pH 7.0, VAPOR DIFFUSION, SITTING DROP, temperature 291K
Crystal grow
*PLUS
Temperature: 18 ℃
Components of the solutions
*PLUS
IDConc.Common nameCrystal-IDSol-IDChemical formulaDetails
110 mg/mlprotein1drop
213 %PEG80001reservoir
31 M1reservoirNaCl
4100 mMHEPES1reservoirpH7.0

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: APS / Beamline: 14-BM-C / Wavelength: 1 Å
DetectorType: ADSC QUANTUM 4 / Detector: CCD / Date: Aug 11, 2000
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1 Å / Relative weight: 1
ReflectionResolution: 2.4→19.81 Å / Num. all: 47712 / Num. obs: 46185 / % possible obs: 96.8 % / Observed criterion σ(I): 0 / Redundancy: 4.5 % / Biso Wilson estimate: 54.1 Å2 / Rmerge(I) obs: 0.058 / Net I/σ(I): 20.6
Reflection shellResolution: 2.4→2.49 Å / Redundancy: 4.2 % / Rmerge(I) obs: 0.33 / % possible all: 96.7
Reflection
*PLUS
Lowest resolution: 20 Å / Num. obs: 46705
Reflection shell
*PLUS
% possible obs: 96.37 % / Rmerge(I) obs: 0.33 / Mean I/σ(I) obs: 4.3

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Processing

Software
NameVersionClassification
DENZOdata reduction
SCALEPACKdata scaling
AMoREphasing
CNS1refinement
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 1FYT.pdb

1fyt


Resolution: 2.4→19.81 Å / Rfactor Rfree error: 0.005 / Data cutoff high absF: 1769191.79 / Data cutoff low absF: 0 / Isotropic thermal model: RESTRAINED / Cross valid method: THROUGHOUT / σ(F): 0 / σ(I): 0 / Stereochemistry target values: Engh & Huber
RfactorNum. reflection% reflectionSelection details
Rfree0.246 2280 4.9 %RANDOM
Rwork0.211 ---
all-46185 --
obs-46185 96.8 %-
Solvent computationSolvent model: FLAT MODEL / Bsol: 38.44 Å2 / ksol: 0.3465 e/Å3
Displacement parametersBiso mean: 46.1 Å2
Baniso -1Baniso -2Baniso -3
1-6.18 Å20 Å24.97 Å2
2--1.05 Å20 Å2
3----7.23 Å2
Refine analyze
FreeObs
Luzzati coordinate error0.37 Å0.31 Å
Luzzati d res low-20 Å
Luzzati sigma a0.38 Å0.3 Å
Refinement stepCycle: LAST / Resolution: 2.4→19.81 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms6547 0 56 305 6908
Refine LS restraints
Refine-IDTypeDev idealDev ideal target
X-RAY DIFFRACTIONc_bond_d0.007
X-RAY DIFFRACTIONc_angle_deg1.4
X-RAY DIFFRACTIONc_dihedral_angle_d26.7
X-RAY DIFFRACTIONc_improper_angle_d0.82
X-RAY DIFFRACTIONc_mcbond_it1.521.5
X-RAY DIFFRACTIONc_mcangle_it2.512
X-RAY DIFFRACTIONc_scbond_it2.342
X-RAY DIFFRACTIONc_scangle_it3.492.5
LS refinement shellResolution: 2.4→2.49 Å / Rfactor Rfree error: 0.024 / Total num. of bins used: 10
RfactorNum. reflection% reflection
Rfree0.358 222 4.9 %
Rwork0.32 4354 -
obs--96.7 %
Xplor file
Refine-IDSerial noParam fileTopol file
X-RAY DIFFRACTION1PROTEIN_REP.PARAMPROTEIN.TOP
X-RAY DIFFRACTION2WATER_REP.PARAMWATER.TOP
X-RAY DIFFRACTION3CARBOHYDRATE.PARAMCARBOHYDRATE.TOP
Refinement
*PLUS
% reflection Rfree: 5 % / Rfactor obs: 0.208 / Rfactor Rfree: 0.245
Solvent computation
*PLUS
Displacement parameters
*PLUS
Refine LS restraints
*PLUS
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONc_bond_d0.007
X-RAY DIFFRACTIONc_angle_deg1.38
X-RAY DIFFRACTIONc_dihedral_angle_d
X-RAY DIFFRACTIONc_dihedral_angle_deg26.7
X-RAY DIFFRACTIONc_improper_angle_d
X-RAY DIFFRACTIONc_improper_angle_deg0.82
LS refinement shell
*PLUS
Rfactor Rfree: 0.358 / Rfactor Rwork: 0.32

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