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- PDB-4h26: TCR interaction with peptide mimics of nickel offers structure in... -

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Basic information

Entry
Database: PDB / ID: 4h26
TitleTCR interaction with peptide mimics of nickel offers structure insight to nickel contact allergy
Components
  • HLA class II histocompatibility antigen, DR alpha chain
  • MHC class II antigen
  • peptide
KeywordsIMMUNE SYSTEM / protein-protein complex / immunoglobulin fold / antigen presentation / TCR / cell surface
Function / homology
Function and homology information


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 / transport vesicle membrane ...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 / transport vesicle membrane / polysaccharide binding / Translocation of ZAP-70 to Immunological synapse / Phosphorylation of CD3 and TCR zeta chains / Generation of second messenger molecules / immunological synapse / PD-1 signaling / MHC class II antigen presentation / T cell receptor binding / trans-Golgi network membrane / lumenal side of endoplasmic reticulum membrane / clathrin-coated endocytic vesicle membrane / ER to Golgi transport vesicle membrane / cognition / positive regulation of T cell mediated cytotoxicity / peptide antigen assembly with MHC class II protein complex / MHC class II protein complex / 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 / early endosome membrane / adaptive immune response / lysosome / endosome membrane / immune response / lysosomal membrane / Golgi membrane / cell surface / extracellular exosome / plasma membrane
Similarity search - Function
Class II Histocompatibility Antigen, M Beta Chain; Chain B, domain 1 / Class II Histocompatibility Antigen, M Beta Chain; Chain B, domain 1 / 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 / MHC classes I/II-like antigen recognition protein ...Class II Histocompatibility Antigen, M Beta Chain; Chain B, domain 1 / Class II Histocompatibility Antigen, M Beta Chain; Chain B, domain 1 / 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 / 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 / Roll / Immunoglobulin-like fold / Immunoglobulin-like / Sandwich / Mainly Beta / Alpha Beta
Similarity search - Domain/homology
MHC class II antigen / HLA class II histocompatibility antigen, DR alpha chain
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.5 Å
AuthorsKappler, J.W. / Yin, L. / Dai, S. / Marrack, P. / Crawford, F.
CitationJournal: Proc.Natl.Acad.Sci.USA / Year: 2012
Title: T-cell receptor (TCR) interaction with peptides that mimic nickel offers insight into nickel contact allergy.
Authors: Yin, L. / Crawford, F. / Marrack, P. / Kappler, J.W. / Dai, S.
History
DepositionSep 12, 2012Deposition site: RCSB / Processing site: RCSB
Revision 1.0Oct 16, 2013Provider: repository / Type: Initial release
Revision 2.0Jul 29, 2020Group: Atomic model / Data collection ...Atomic model / Data collection / Database references / Derived calculations / Structure summary
Category: atom_site / chem_comp ...atom_site / chem_comp / 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 / 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_seq_id / _atom_site.label_asym_id / _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_dist_value / _struct_conn.pdbx_leaving_atom_flag / _struct_conn.pdbx_role / _struct_conn.ptnr1_auth_asym_id / _struct_conn.ptnr1_auth_comp_id / _struct_conn.ptnr1_auth_seq_id / _struct_conn.ptnr1_label_asym_id / _struct_conn.ptnr1_label_atom_id / _struct_conn.ptnr1_label_comp_id / _struct_conn.ptnr1_label_seq_id / _struct_conn.ptnr2_auth_asym_id / _struct_conn.ptnr2_auth_seq_id / _struct_conn.ptnr2_label_asym_id / _struct_conn.ptnr2_label_atom_id / _struct_ref_seq_dif.details
Description: Carbohydrate remediation / Provider: repository / Type: Remediation

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: HLA class II histocompatibility antigen, DR alpha chain
B: MHC class II antigen
C: peptide
D: HLA class II histocompatibility antigen, DR alpha chain
E: MHC class II antigen
F: peptide
hetero molecules


Theoretical massNumber of molelcules
Total (without water)89,2588
Polymers88,4106
Non-polymers8492
Water3,135174
1
A: HLA class II histocompatibility antigen, DR alpha chain
B: MHC class II antigen
C: peptide
hetero molecules


Theoretical massNumber of molelcules
Total (without water)44,6294
Polymers44,2053
Non-polymers4241
Water543
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area7480 Å2
ΔGint-34 kcal/mol
Surface area18630 Å2
MethodPISA
2
D: HLA class II histocompatibility antigen, DR alpha chain
E: MHC class II antigen
F: peptide
hetero molecules


Theoretical massNumber of molelcules
Total (without water)44,6294
Polymers44,2053
Non-polymers4241
Water543
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area7480 Å2
ΔGint-36 kcal/mol
Surface area18580 Å2
MethodPISA
Unit cell
Length a, b, c (Å)38.822, 129.202, 97.473
Angle α, β, γ (deg.)90.00, 95.36, 90.00
Int Tables number4
Space group name H-MP1211

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Components

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


Mass: 20842.490 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: HLA-DRA, HLA-DRA1 / Production host: HOMO SAPIENS (human) / References: UniProt: P01903
#2: Protein MHC class II antigen / MHC class II antigen DRB3


Mass: 21936.555 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: HLA-DRB3 / Production host: HOMO SAPIENS (human) / References: UniProt: B8YAC7
#3: Protein/peptide peptide /


Mass: 1425.743 Da / Num. of mol.: 2 / Source method: obtained synthetically
#4: Polysaccharide 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose


Type: oligosaccharide / Mass: 424.401 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
DescriptorTypeProgram
DGlcpNAcb1-4DGlcpNAcb1-Glycam Condensed SequenceGMML 1.0
WURCS=2.0/1,2,1/[a2122h-1b_1-5_2*NCC/3=O]/1-1/a4-b1WURCSPDB2Glycan 1.1.0
[]{[(4+1)][b-D-GlcpNAc]{[(4+1)][b-D-GlcpNAc]{}}}LINUCSPDB-CARE
#5: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 174 / 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: 2.75 Å3/Da / Density % sol: 55.32 %
Crystal growTemperature: 298 K / Method: vapor diffusion, hanging drop / pH: 8
Details: 16% PEG4000, 100mM Tris-HCL, pH 8, VAPOR DIFFUSION, HANGING DROP, temperature 298K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: ALS / Beamline: 8.2.2 / Wavelength: 1 Å
DetectorType: ADSC QUANTUM 315 / Detector: CCD
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1 Å / Relative weight: 1
ReflectionResolution: 2.5→50 Å / Num. obs: 30552

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Processing

Software
NameVersionClassification
HKL-2000data collection
PHASESphasing
CNS1.1refinement
HKL-2000data reduction
HKL-2000data scaling
RefinementMethod to determine structure: MOLECULAR REPLACEMENT / Resolution: 2.5→50 Å
Details: THE RFREE VALUE PROVIDED BY AUTHORS CAN NOT BE REPRODUCED BASED ON THE RFREE FLAGS PROVIDED BY AUTHORS
RfactorNum. reflection
Rfree0.27 1515
Rwork0.225 -
all-33116
obs-30552
Refinement stepCycle: LAST / Resolution: 2.5→50 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms6248 0 56 174 6478

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