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- PDB-6mt6: Crystal Structure of HLA-B*37:01 in complex with NP338 influenza ... -

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Basic information

Entry
Database: PDB / ID: 6mt6
TitleCrystal Structure of HLA-B*37:01 in complex with NP338 influenza peptide
Components
  • Beta-2-microglobulin
  • HLA class I histocompatibility antigen, B-37 alpha chain
  • NP388 peptide
KeywordsIMMUNE SYSTEM / TCR / T cell / influenza / HLA / HLA-B18 / HLA-B37 / HLA-B44 / viral mutation / CD8 T cells
Function / homology
Function and homology information


regulation of interleukin-12 production / regulation of dendritic cell differentiation / regulation of T cell anergy / regulation of interleukin-6 production / TAP binding / protection from natural killer cell mediated cytotoxicity / detection of bacterium / secretory granule membrane / positive regulation of ferrous iron binding / positive regulation of transferrin receptor binding ...regulation of interleukin-12 production / regulation of dendritic cell differentiation / regulation of T cell anergy / regulation of interleukin-6 production / TAP binding / protection from natural killer cell mediated cytotoxicity / detection of bacterium / secretory granule membrane / positive regulation of ferrous iron binding / positive regulation of transferrin receptor binding / positive regulation of receptor binding / early endosome lumen / Nef mediated downregulation of MHC class I complex cell surface expression / negative regulation of receptor binding / DAP12 interactions / antigen processing and presentation of endogenous peptide antigen via MHC class Ib / antigen processing and presentation of endogenous peptide antigen via MHC class I via ER pathway, TAP-independent / cellular response to iron ion / Endosomal/Vacuolar pathway / Antigen Presentation: Folding, assembly and peptide loading of class I MHC / 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 / ER to Golgi transport vesicle membrane / regulation of iron ion transport / response to molecule of bacterial origin / MHC class I peptide loading complex / HFE-transferrin receptor complex / T cell mediated cytotoxicity / antigen processing and presentation of endogenous peptide antigen via MHC class I / positive regulation of T cell cytokine production / MHC class I protein complex / defense response / negative regulation of neurogenesis / positive regulation of receptor-mediated endocytosis / peptide antigen assembly with MHC class II protein complex / multicellular organismal-level iron ion homeostasis / MHC class II protein complex / cellular response to nicotine / positive regulation of T cell mediated cytotoxicity / specific granule lumen / recycling endosome membrane / phagocytic vesicle membrane / positive regulation of cellular senescence / peptide antigen binding / antigen processing and presentation of exogenous peptide antigen via MHC class II / negative regulation of epithelial cell proliferation / Immunoregulatory interactions between a Lymphoid and a non-Lymphoid cell / positive regulation of immune response / Interferon gamma signaling / positive regulation of T cell activation / Modulation by Mtb of host immune system / Interferon alpha/beta signaling / sensory perception of smell / negative regulation of neuron projection development / positive regulation of protein binding / tertiary granule lumen / DAP12 signaling / MHC class II protein complex binding / late endosome membrane / protein-folding chaperone binding / iron ion transport / ER-Phagosome pathway / early endosome membrane / T cell differentiation in thymus / protein refolding / protein homotetramerization / intracellular iron ion homeostasis / adaptive immune response / amyloid fibril formation / learning or memory / immune response / Amyloid fiber formation / endoplasmic reticulum lumen / Golgi membrane / external side of plasma membrane / lysosomal membrane / innate immune response / signaling receptor binding / focal adhesion / Neutrophil degranulation / SARS-CoV-2 activates/modulates innate and adaptive immune responses / structural molecule activity / Golgi apparatus / cell surface / endoplasmic reticulum / protein homodimerization activity / extracellular space / extracellular exosome / extracellular region / identical protein binding / membrane / 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 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
ACETATE ION / HLA class I histocompatibility antigen, B alpha chain / HLA class I histocompatibility antigen, B alpha chain / Beta-2-microglobulin
Similarity search - Component
Biological speciesHomo sapiens (human)
unidentified influenza virus
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / molecular replacement / Resolution: 1.31 Å
AuthorsGras, S.
CitationJournal: Nat Commun / Year: 2018
Title: Broad CD8+T cell cross-recognition of distinct influenza A strains in humans.
Authors: Grant, E.J. / Josephs, T.M. / Loh, L. / Clemens, E.B. / Sant, S. / Bharadwaj, M. / Chen, W. / Rossjohn, J. / Gras, S. / Kedzierska, K.
History
DepositionOct 19, 2018Deposition site: RCSB / Processing site: RCSB
Revision 1.0Feb 13, 2019Provider: repository / Type: Initial release
Revision 1.1Oct 11, 2023Group: Data collection / Database references / Refinement description
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_initial_refinement_model
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession
Revision 1.2Oct 23, 2024Group: Structure summary / Category: pdbx_entry_details / pdbx_modification_feature

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: HLA class I histocompatibility antigen, B-37 alpha chain
B: NP388 peptide
C: Beta-2-microglobulin
hetero molecules


Theoretical massNumber of molelcules
Total (without water)45,0515
Polymers44,9333
Non-polymers1182
Water11,422634
1


  • Idetical with deposited unit
  • defined by author&software
  • Evidence: gel filtration
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area4720 Å2
ΔGint-20 kcal/mol
Surface area19090 Å2
MethodPISA
Unit cell
Length a, b, c (Å)50.880, 81.789, 110.192
Angle α, β, γ (deg.)90.000, 90.000, 90.000
Int Tables number19
Space group name H-MP212121

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Components

#1: Protein HLA class I histocompatibility antigen, B-37 alpha chain / MHC class I antigen B*37


Mass: 31927.051 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: HLA-B, HLAB / Plasmid: pET30 / Production host: Escherichia coli (E. coli) / Strain (production host): BL21 / References: UniProt: P18463, UniProt: P01889*PLUS
#2: Protein/peptide NP388 peptide


Mass: 1126.282 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) unidentified influenza virus
#3: Protein Beta-2-microglobulin


Mass: 11879.356 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: B2M, CDABP0092, HDCMA22P / Production host: Escherichia coli (E. coli) / References: UniProt: P61769
#4: Chemical ChemComp-ACT / ACETATE ION


Mass: 59.044 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C2H3O2
#5: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 634 / Source method: isolated from a natural source / Formula: H2O
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: 2.56 Å3/Da / Density % sol: 51.93 % / Mosaicity: 0.07 °
Crystal growTemperature: 277 K / Method: vapor diffusion, hanging drop / pH: 6.5 / Details: 20% PEG6000, 0.2M NaCl, 0.1M Na citrate pH 6.5

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Data collection

DiffractionMean temperature: 100 K / Serial crystal experiment: N
Diffraction sourceSource: SYNCHROTRON / Site: Australian Synchrotron / Beamline: MX2 / Wavelength: 0.954 Å
DetectorType: ADSC QUANTUM 210 / Detector: CCD / Date: Jul 12, 2013
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.954 Å / Relative weight: 1
ReflectionResolution: 1.31→46.19 Å / Num. obs: 111938 / % possible obs: 99.8 % / Redundancy: 7.2 % / Biso Wilson estimate: 12.08 Å2 / CC1/2: 0.997 / Rmerge(I) obs: 0.091 / Rpim(I) all: 0.037 / Rrim(I) all: 0.098 / Rsym value: 0.091 / Net I/σ(I): 13.3 / Num. measured all: 802119
Reflection shellResolution: 1.31→1.38 Å / Redundancy: 7.1 % / Rmerge(I) obs: 0.757 / Num. measured all: 113954 / Num. unique obs: 16061 / CC1/2: 0.785 / Rpim(I) all: 0.025 / Rrim(I) all: 0.06 / Rsym value: 0.055 / Net I/σ(I) obs: 3.4 / % possible all: 99.1

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Phasing

PhasingMethod: molecular replacement

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Processing

Software
NameVersionClassificationNB
XDSdata reduction
SCALA3.3.21data scaling
PHASERphasing
BUSTERrefinement
PDB_EXTRACT3.24data extraction
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 3GSO

3gso


Resolution: 1.31→19.18 Å / Cor.coef. Fo:Fc: 0.961 / Cor.coef. Fo:Fc free: 0.954 / SU R Cruickshank DPI: 0.045 / Cross valid method: THROUGHOUT / σ(F): 0 / SU R Blow DPI: 0.05 / SU Rfree Blow DPI: 0.051 / SU Rfree Cruickshank DPI: 0.047
RfactorNum. reflection% reflectionSelection details
Rfree0.193 5559 5.01 %RANDOM
Rwork0.172 ---
obs0.173 110928 99.9 %-
Displacement parametersBiso max: 93.39 Å2 / Biso mean: 17.72 Å2 / Biso min: 4.36 Å2
Baniso -1Baniso -2Baniso -3
1-0.7893 Å20 Å20 Å2
2--1.0406 Å20 Å2
3----1.8299 Å2
Refine analyzeLuzzati coordinate error obs: 0.15 Å
Refinement stepCycle: final / Resolution: 1.31→19.18 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms3161 0 8 642 3811
Biso mean--37.41 30.15 -
Num. residues----384
Refine LS restraints
Refine-IDTypeNumberRestraint functionWeightDev ideal
X-RAY DIFFRACTIONt_dihedral_angle_d1184SINUSOIDAL2
X-RAY DIFFRACTIONt_trig_c_planes94HARMONIC2
X-RAY DIFFRACTIONt_gen_planes505HARMONIC5
X-RAY DIFFRACTIONt_it3357HARMONIC20
X-RAY DIFFRACTIONt_nbd
X-RAY DIFFRACTIONt_improper_torsion
X-RAY DIFFRACTIONt_pseud_angle
X-RAY DIFFRACTIONt_chiral_improper_torsion423SEMIHARMONIC5
X-RAY DIFFRACTIONt_sum_occupancies
X-RAY DIFFRACTIONt_utility_distance
X-RAY DIFFRACTIONt_utility_angle
X-RAY DIFFRACTIONt_utility_torsion
X-RAY DIFFRACTIONt_ideal_dist_contact4249SEMIHARMONIC4
X-RAY DIFFRACTIONt_bond_d3357HARMONIC20.01
X-RAY DIFFRACTIONt_angle_deg4586HARMONIC21.02
X-RAY DIFFRACTIONt_omega_torsion4.62
X-RAY DIFFRACTIONt_other_torsion14.55
LS refinement shellResolution: 1.31→1.34 Å / Rfactor Rfree error: 0 / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.2345 454 5.56 %
Rwork0.2089 7718 -
all0.2103 8172 -
obs--100 %

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