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- PDB-6tds: Crystal structure of the disulfide engineered HLA-A0201 molecule ... -

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Basic information

Entry
Database: PDB / ID: 6tds
TitleCrystal structure of the disulfide engineered HLA-A0201 molecule without peptide bound after NaCl wash
Components
  • Beta-2-microglobulinBeta-2 microglobulin
  • MHC class I antigen
KeywordsIMMUNE SYSTEM / MHC Class I molecule
Function / homology
Function and homology information


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 / 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 / DAP12 interactions / negative regulation of receptor binding / Endosomal/Vacuolar pathway ...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 / 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 / DAP12 interactions / negative regulation of receptor binding / Endosomal/Vacuolar pathway / Antigen Presentation: Folding, assembly and peptide loading of class I MHC / 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 / ER to Golgi transport vesicle membrane / 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 / 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 / recycling endosome membrane / specific granule lumen / 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 / Immunoregulatory interactions between a Lymphoid and a non-Lymphoid cell / Interferon gamma signaling / positive regulation of immune response / Modulation by Mtb of host immune system / sensory perception of smell / positive regulation of T cell activation / positive regulation of protein binding / tertiary granule lumen / DAP12 signaling / negative regulation of neuron projection development / MHC class II protein complex binding / late endosome membrane / T cell differentiation in thymus / ER-Phagosome pathway / iron ion transport / early endosome membrane / protein refolding / protein homotetramerization / intracellular iron ion homeostasis / amyloid fibril formation / learning or memory / immune response / Amyloid fiber formation / lysosomal membrane / external side of plasma membrane / endoplasmic reticulum lumen / Golgi membrane / signaling receptor binding / focal adhesion / Neutrophil degranulation / SARS-CoV-2 activates/modulates innate and adaptive immune responses / structural molecule activity / Golgi apparatus / endoplasmic reticulum / protein homodimerization activity / extracellular space / extracellular exosome / extracellular region / membrane / identical protein binding / plasma membrane / cytosol
Similarity search - Function
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. ...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
MHC class I antigen / Beta-2-microglobulin
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.7 Å
AuthorsAnjanappa, R. / Garcia Alai, M. / Springer, S. / Meijers, R.
Funding support Germany, 1items
OrganizationGrant numberCountry
European Commission653706 Germany
CitationJournal: Nat Commun / Year: 2020
Title: Structures of peptide-free and partially loaded MHC class I molecules reveal mechanisms of peptide selection.
Authors: Anjanappa, R. / Garcia-Alai, M. / Kopicki, J.D. / Lockhauserbaumer, J. / Aboelmagd, M. / Hinrichs, J. / Nemtanu, I.M. / Uetrecht, C. / Zacharias, M. / Springer, S. / Meijers, R.
History
DepositionNov 10, 2019Deposition site: PDBE / Processing site: PDBE
Revision 1.0Mar 25, 2020Provider: repository / Type: Initial release
Revision 1.1Jan 24, 2024Group: Data collection / Database references ...Data collection / Database references / Derived calculations / Refinement description
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_initial_refinement_model / pdbx_struct_conn_angle / struct_conn / struct_ncs_dom_lim
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _pdbx_struct_conn_angle.ptnr1_auth_asym_id / _pdbx_struct_conn_angle.ptnr1_auth_comp_id / _pdbx_struct_conn_angle.ptnr1_auth_seq_id / _pdbx_struct_conn_angle.ptnr1_label_alt_id / _pdbx_struct_conn_angle.ptnr1_label_asym_id / _pdbx_struct_conn_angle.ptnr1_label_atom_id / _pdbx_struct_conn_angle.ptnr1_label_comp_id / _pdbx_struct_conn_angle.ptnr1_label_seq_id / _pdbx_struct_conn_angle.ptnr1_symmetry / _pdbx_struct_conn_angle.ptnr2_auth_asym_id / _pdbx_struct_conn_angle.ptnr2_auth_seq_id / _pdbx_struct_conn_angle.ptnr2_label_asym_id / _pdbx_struct_conn_angle.ptnr3_auth_asym_id / _pdbx_struct_conn_angle.ptnr3_auth_comp_id / _pdbx_struct_conn_angle.ptnr3_auth_seq_id / _pdbx_struct_conn_angle.ptnr3_label_alt_id / _pdbx_struct_conn_angle.ptnr3_label_asym_id / _pdbx_struct_conn_angle.ptnr3_label_atom_id / _pdbx_struct_conn_angle.ptnr3_label_comp_id / _pdbx_struct_conn_angle.ptnr3_label_seq_id / _pdbx_struct_conn_angle.ptnr3_symmetry / _pdbx_struct_conn_angle.value / _struct_conn.pdbx_dist_value / _struct_conn.pdbx_ptnr1_label_alt_id / _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_comp_id / _struct_conn.ptnr2_auth_seq_id / _struct_conn.ptnr2_label_asym_id / _struct_conn.ptnr2_label_atom_id / _struct_conn.ptnr2_label_comp_id / _struct_conn.ptnr2_label_seq_id / _struct_conn.ptnr2_symmetry / _struct_ncs_dom_lim.beg_auth_comp_id / _struct_ncs_dom_lim.beg_label_asym_id / _struct_ncs_dom_lim.beg_label_comp_id / _struct_ncs_dom_lim.beg_label_seq_id / _struct_ncs_dom_lim.end_auth_comp_id / _struct_ncs_dom_lim.end_label_asym_id / _struct_ncs_dom_lim.end_label_comp_id / _struct_ncs_dom_lim.end_label_seq_id

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: MHC class I antigen
B: Beta-2-microglobulin
C: MHC class I antigen
D: Beta-2-microglobulin
hetero molecules


Theoretical massNumber of molelcules
Total (without water)88,67234
Polymers87,6094
Non-polymers1,06330
Water5,765320
1
A: MHC class I antigen
B: Beta-2-microglobulin
hetero molecules


Theoretical massNumber of molelcules
Total (without water)44,34317
Polymers43,8052
Non-polymers53915
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area4990 Å2
ΔGint-103 kcal/mol
Surface area18640 Å2
MethodPISA
2
C: MHC class I antigen
D: Beta-2-microglobulin
hetero molecules


Theoretical massNumber of molelcules
Total (without water)44,32917
Polymers43,8052
Non-polymers52415
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area5010 Å2
ΔGint-122 kcal/mol
Surface area18540 Å2
MethodPISA
Unit cell
Length a, b, c (Å)58.604, 85.190, 83.848
Angle α, β, γ (deg.)90.000, 90.030, 90.000
Int Tables number4
Space group name H-MP1211
Noncrystallographic symmetry (NCS)NCS domain:
IDEns-IDDetails
11A
21C
12B
22D

NCS domain segments:

Component-ID: 0 / Refine code: 0

Dom-IDEns-IDBeg auth comp-IDBeg label comp-IDEnd auth comp-IDEnd label comp-IDAuth asym-IDLabel asym-IDAuth seq-IDLabel seq-ID
11GLYGLYGLUGLUAA1 - 2752 - 276
21GLYGLYGLUGLUCC1 - 2752 - 276
12METMETMETMETBB1 - 1001 - 100
22METMETMETMETDD1 - 1001 - 100

NCS ensembles :
ID
1
2

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Components

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Protein , 2 types, 4 molecules ACBD

#1: Protein MHC class I antigen


Mass: 31925.363 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: HLA-A / Production host: Escherichia coli (E. coli) / References: UniProt: F6IQS1
#2: Protein Beta-2-microglobulin / Beta-2 microglobulin


Mass: 11879.356 Da / Num. of mol.: 2
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

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Non-polymers , 4 types, 350 molecules

#3: Chemical
ChemComp-EDO / 1,2-ETHANEDIOL / ETHYLENE GLYCOL / Ethylene glycol


Mass: 62.068 Da / Num. of mol.: 7 / Source method: obtained synthetically / Formula: C2H6O2 / Feature type: SUBJECT OF INVESTIGATION
#4: Chemical
ChemComp-NA / SODIUM ION


Mass: 22.990 Da / Num. of mol.: 15 / Source method: obtained synthetically / Formula: Na / Feature type: SUBJECT OF INVESTIGATION
#5: Chemical
ChemComp-CL / CHLORIDE ION / Chloride


Mass: 35.453 Da / Num. of mol.: 8 / Source method: obtained synthetically / Formula: Cl / Feature type: SUBJECT OF INVESTIGATION
#6: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 320 / Source method: isolated from a natural source / Formula: H2O

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Details

Has ligand of interestY

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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: 2.39 Å3/Da / Density % sol: 48.52 %
Crystal growTemperature: 298 K / Method: vapor diffusion, sitting drop
Details: 0.1 M HEPES pH 7.5, 20% PEG 10 000, 8% ethylene glycol

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Data collection

DiffractionMean temperature: 100 K / Serial crystal experiment: N
Diffraction sourceSource: SYNCHROTRON / Site: EMBL/DESY, HAMBURG / Beamline: X13 / Wavelength: 0.987 Å
DetectorType: DECTRIS PILATUS3 6M / Detector: PIXEL / Date: Dec 12, 2018
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.987 Å / Relative weight: 1
Reflection twin
Crystal-IDIDOperatorDomain-IDFraction
11H, K, L10.633
11-h,-k,l20.367
ReflectionResolution: 1.7→85 Å / Num. obs: 90573 / % possible obs: 100 % / Redundancy: 6.2 % / CC1/2: 0.99 / Rmerge(I) obs: 0.174 / Net I/σ(I): 6.8
Reflection shellResolution: 1.7→1.743 Å / Rmerge(I) obs: 1 / Num. unique obs: 6264 / CC1/2: 0.68

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Processing

Software
NameVersionClassification
REFMAC5.8.0230refinement
PDB_EXTRACT3.25data extraction
XDSdata reduction
Aimlessdata scaling
MOLREPphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 6Q3K

6q3k


Resolution: 1.7→83.85 Å / Cor.coef. Fo:Fc: 0.933 / Cor.coef. Fo:Fc free: 0.897 / SU B: 1.922 / SU ML: 0.068 / Cross valid method: THROUGHOUT / σ(F): 0 / ESU R: 0.024 / ESU R Free: 0.025
Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS U VALUES : REFINED INDIVIDUALLY
RfactorNum. reflection% reflectionSelection details
Rfree0.2478 4098 4.5 %RANDOM
Rwork0.1975 ---
obs0.1998 86445 99.82 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å
Displacement parametersBiso max: 60.83 Å2 / Biso mean: 20.874 Å2 / Biso min: 7.08 Å2
Baniso -1Baniso -2Baniso -3
1--13.51 Å20 Å2-0.01 Å2
2--25.55 Å20 Å2
3----12.03 Å2
Refinement stepCycle: final / Resolution: 1.7→83.85 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms6160 0 51 320 6531
Biso mean--34.04 23.22 -
Num. residues----750
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0140.0146432
X-RAY DIFFRACTIONr_bond_other_d0.0010.0175382
X-RAY DIFFRACTIONr_angle_refined_deg1.7011.6678720
X-RAY DIFFRACTIONr_angle_other_deg0.9721.64712666
X-RAY DIFFRACTIONr_dihedral_angle_1_deg7.6025760
X-RAY DIFFRACTIONr_dihedral_angle_2_deg30.57521.322401
X-RAY DIFFRACTIONr_dihedral_angle_3_deg14.907151050
X-RAY DIFFRACTIONr_dihedral_angle_4_deg14.9331556
X-RAY DIFFRACTIONr_chiral_restr0.0890.2785
X-RAY DIFFRACTIONr_gen_planes_refined0.0110.027339
X-RAY DIFFRACTIONr_gen_planes_other0.0010.021285
Refine LS restraints NCS

Refine-ID: X-RAY DIFFRACTION / Type: interatomic distance / Rms dev position: 0.1 Å / Weight position: 0.05

Ens-IDDom-IDAuth asym-IDNumber
11A8965
12C8965
21B3087
22D3087
LS refinement shellResolution: 1.7→1.743 Å / Rfactor Rfree error: 0
RfactorNum. reflection% reflection
Rfree0.316 313 -
Rwork0.234 6264 -
obs--97.93 %

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