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- PDB-6g3k: MHC A02 Allele presenting MTSAIGILPV -

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Basic information

Entry
Database: PDB / ID: 6g3k
TitleMHC A02 Allele presenting MTSAIGILPV
Components
  • Beta-2-microglobulin
  • HLA class I histocompatibility antigen, A-2 alpha chain
  • ILE-THR-SER-GLY-ILE-GLY-VAL-LEU-PRO-VAL
KeywordsIMMUNE SYSTEM / MHCI
Function / homology
Function and homology information


positive regulation of memory T cell activation / T cell mediated cytotoxicity directed against tumor cell target / TAP complex binding / positive regulation of CD8-positive, alpha-beta T cell activation / CD8-positive, alpha-beta T cell activation / Golgi medial cisterna / positive regulation of CD8-positive, alpha-beta T cell proliferation / CD8 receptor binding / antigen processing and presentation of exogenous peptide antigen via MHC class I / endoplasmic reticulum exit site ...positive regulation of memory T cell activation / T cell mediated cytotoxicity directed against tumor cell target / TAP complex binding / positive regulation of CD8-positive, alpha-beta T cell activation / CD8-positive, alpha-beta T cell activation / Golgi medial cisterna / positive regulation of CD8-positive, alpha-beta T cell proliferation / CD8 receptor binding / antigen processing and presentation of exogenous peptide antigen via MHC class I / endoplasmic reticulum exit site / antigen processing and presentation of endogenous peptide antigen via MHC class I via ER pathway, TAP-dependent / TAP binding / protection from natural killer cell mediated cytotoxicity / beta-2-microglobulin binding / T cell receptor binding / detection of bacterium / 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 / 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 / positive regulation of type II interferon production / 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 / antibacterial humoral response / MHC class II protein complex binding / E3 ubiquitin ligases ubiquitinate target proteins / late endosome membrane / T cell receptor signaling pathway / iron ion transport / ER-Phagosome pathway / early endosome membrane / T cell differentiation in thymus / protein refolding / protein homotetramerization / intracellular iron ion homeostasis / amyloid fibril formation / learning or memory / defense response to Gram-positive bacterium / 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 / endoplasmic reticulum membrane / SARS-CoV-2 activates/modulates innate and adaptive immune responses / structural molecule activity / Golgi apparatus / cell surface / endoplasmic reticulum
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
HLA class I histocompatibility antigen, A alpha chain / HLA class I histocompatibility antigen, A alpha chain / Beta-2-microglobulin
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.9 Å
AuthorsRizkallah, P.J. / Sewell, A.K.
CitationJournal: Front Immunol / Year: 2019
Title: Peptide Super-Agonist Enhances T-Cell Responses to Melanoma.
Authors: Galloway, S.A.E. / Dolton, G. / Attaf, M. / Wall, A. / Fuller, A. / Rius, C. / Bianchi, V. / Theaker, S. / Lloyd, A. / Caillaud, M.E. / Svane, I.M. / Donia, M. / Cole, D.K. / Szomolay, B. / ...Authors: Galloway, S.A.E. / Dolton, G. / Attaf, M. / Wall, A. / Fuller, A. / Rius, C. / Bianchi, V. / Theaker, S. / Lloyd, A. / Caillaud, M.E. / Svane, I.M. / Donia, M. / Cole, D.K. / Szomolay, B. / Rizkallah, P. / Sewell, A.K.
History
DepositionMar 26, 2018Deposition site: PDBE / Processing site: PDBE
Revision 1.0Sep 4, 2019Provider: repository / Type: Initial release
Revision 1.1Jan 17, 2024Group: 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 / struct_ncs_dom_lim
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _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
Revision 1.2Nov 6, 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, A-2 alpha chain
B: Beta-2-microglobulin
C: ILE-THR-SER-GLY-ILE-GLY-VAL-LEU-PRO-VAL
D: HLA class I histocompatibility antigen, A-2 alpha chain
E: Beta-2-microglobulin
F: ILE-THR-SER-GLY-ILE-GLY-VAL-LEU-PRO-VAL


Theoretical massNumber of molelcules
Total (without water)89,5726
Polymers89,5726
Non-polymers00
Water59433
1
A: HLA class I histocompatibility antigen, A-2 alpha chain
B: Beta-2-microglobulin
C: ILE-THR-SER-GLY-ILE-GLY-VAL-LEU-PRO-VAL


Theoretical massNumber of molelcules
Total (without water)44,7863
Polymers44,7863
Non-polymers00
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area4250 Å2
ΔGint-19 kcal/mol
Surface area19550 Å2
MethodPISA
2
D: HLA class I histocompatibility antigen, A-2 alpha chain
E: Beta-2-microglobulin
F: ILE-THR-SER-GLY-ILE-GLY-VAL-LEU-PRO-VAL


Theoretical massNumber of molelcules
Total (without water)44,7863
Polymers44,7863
Non-polymers00
Water543
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area4220 Å2
ΔGint-22 kcal/mol
Surface area19490 Å2
MethodPISA
Unit cell
Length a, b, c (Å)119.980, 171.090, 50.580
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number18
Space group name H-MP21212
Noncrystallographic symmetry (NCS)NCS domain:
IDEns-IDDetails
11A
21D
12B
22E

NCS domain segments:

Component-ID: _ / Refine code: _

Dom-IDEns-IDBeg auth comp-IDBeg label comp-IDEnd auth comp-IDEnd label comp-IDAuth asym-IDLabel asym-IDAuth seq-IDLabel seq-ID
11GLYGLYPROPROAA1 - 2761 - 276
21GLYGLYPROPRODD1 - 2761 - 276
12METMETMETMETBB0 - 991 - 100
22METMETMETMETEE0 - 991 - 100

NCS ensembles :
ID
1
2

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Components

#1: Protein HLA class I histocompatibility antigen, A-2 alpha chain / MHC class I antigen A*2


Mass: 31951.316 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: HLA-A, HLAA / Production host: Escherichia coli (E. coli) / References: UniProt: P01892, UniProt: P04439*PLUS
#2: Protein 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
#3: Protein/peptide ILE-THR-SER-GLY-ILE-GLY-VAL-LEU-PRO-VAL


Mass: 955.150 Da / Num. of mol.: 2 / Source method: obtained synthetically / Source: (synth.) Homo sapiens (human)
#4: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 33 / 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: 2.9 Å3/Da / Density % sol: 57.56 %
Crystal growTemperature: 291 K / Method: vapor diffusion, sitting drop

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: Diamond / Beamline: I24 / Wavelength: 0.96895 Å
DetectorType: DECTRIS PILATUS 6M / Detector: PIXEL / Date: Jan 26, 2018
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.96895 Å / Relative weight: 1
ReflectionResolution: 2.66→50.58 Å / Num. obs: 27470 / % possible obs: 89.5 % / Redundancy: 6.1 % / CC1/2: 0.993 / Rmerge(I) obs: 0.17 / Rrim(I) all: 0.185 / Net I/σ(I): 7.5
Reflection shellResolution: 2.66→2.73 Å / Redundancy: 5.8 % / Rmerge(I) obs: 1.307 / Mean I/σ(I) obs: 1.3 / Num. unique obs: 1806 / CC1/2: 0.558 / Rrim(I) all: 1.422 / % possible all: 82.1

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Processing

Software
NameVersionClassification
REFMAC5.8.0189refinement
xia2data reduction
XDSdata reduction
Aimlessdata scaling
PHASERphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 5EU5

5eu5


Resolution: 2.9→50.58 Å / Cor.coef. Fo:Fc: 0.942 / Cor.coef. Fo:Fc free: 0.91 / SU B: 47.84 / SU ML: 0.405 / Cross valid method: THROUGHOUT / ESU R Free: 0.482 / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
RfactorNum. reflection% reflectionSelection details
Rfree0.28709 1074 4.9 %RANDOM
Rwork0.23554 ---
obs0.23816 20791 91.39 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å
Displacement parametersBiso mean: 71.596 Å2
Baniso -1Baniso -2Baniso -3
1--5.79 Å2-0 Å20 Å2
2--3.9 Å2-0 Å2
3---1.89 Å2
Refinement stepCycle: 1 / Resolution: 2.9→50.58 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms6316 0 0 33 6349
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0170.0196512
X-RAY DIFFRACTIONr_bond_other_d0.0020.025686
X-RAY DIFFRACTIONr_angle_refined_deg1.9391.9228840
X-RAY DIFFRACTIONr_angle_other_deg1.132313183
X-RAY DIFFRACTIONr_dihedral_angle_1_deg8.365768
X-RAY DIFFRACTIONr_dihedral_angle_2_deg34.29223.13345
X-RAY DIFFRACTIONr_dihedral_angle_3_deg21.13151055
X-RAY DIFFRACTIONr_dihedral_angle_4_deg16.3371556
X-RAY DIFFRACTIONr_chiral_restr0.1120.2903
X-RAY DIFFRACTIONr_gen_planes_refined0.0080.0217308
X-RAY DIFFRACTIONr_gen_planes_other0.0020.021460
X-RAY DIFFRACTIONr_nbd_refined
X-RAY DIFFRACTIONr_nbd_other
X-RAY DIFFRACTIONr_nbtor_refined
X-RAY DIFFRACTIONr_nbtor_other
X-RAY DIFFRACTIONr_xyhbond_nbd_refined
X-RAY DIFFRACTIONr_xyhbond_nbd_other
X-RAY DIFFRACTIONr_metal_ion_refined
X-RAY DIFFRACTIONr_metal_ion_other
X-RAY DIFFRACTIONr_symmetry_vdw_refined
X-RAY DIFFRACTIONr_symmetry_vdw_other
X-RAY DIFFRACTIONr_symmetry_hbond_refined
X-RAY DIFFRACTIONr_symmetry_hbond_other
X-RAY DIFFRACTIONr_symmetry_metal_ion_refined
X-RAY DIFFRACTIONr_symmetry_metal_ion_other
X-RAY DIFFRACTIONr_mcbond_it1.6593.3153087
X-RAY DIFFRACTIONr_mcbond_other1.6513.3143086
X-RAY DIFFRACTIONr_mcangle_it2.84.9643850
X-RAY DIFFRACTIONr_mcangle_other2.8024.9653851
X-RAY DIFFRACTIONr_scbond_it1.7293.4973425
X-RAY DIFFRACTIONr_scbond_other1.7263.4973425
X-RAY DIFFRACTIONr_scangle_it
X-RAY DIFFRACTIONr_scangle_other2.9145.184990
X-RAY DIFFRACTIONr_long_range_B_refined4.85837.1837077
X-RAY DIFFRACTIONr_long_range_B_other4.85837.1937078
X-RAY DIFFRACTIONr_rigid_bond_restr
X-RAY DIFFRACTIONr_sphericity_free
X-RAY DIFFRACTIONr_sphericity_bonded
Refine LS restraints NCS

Refine-ID: X-RAY DIFFRACTION / Type: interatomic distance / Weight position: 0.05

Ens-IDDom-IDAuth asym-IDNumberRms dev position (Å)
11A172100.06
12D172100.06
21B61300.05
22E61300.05
LS refinement shellResolution: 2.9→2.975 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.46 67 -
Rwork0.382 1405 -
obs--83.87 %
Refinement TLS params.

Method: refined / Refine-ID: X-RAY DIFFRACTION

IDL11 (°2)L12 (°2)L13 (°2)L22 (°2)L23 (°2)L33 (°2)S11 (Å °)S12 (Å °)S13 (Å °)S21 (Å °)S22 (Å °)S23 (Å °)S31 (Å °)S32 (Å °)S33 (Å °)T11 (Å2)T12 (Å2)T13 (Å2)T22 (Å2)T23 (Å2)T33 (Å2)Origin x (Å)Origin y (Å)Origin z (Å)
13.9592-0.2458-0.30435.77621.31282.88930.05440.302-0.7433-0.2780.00280.56740.0908-0.2473-0.05720.36770.0191-0.16760.0475-0.04030.2616.664730.802412.133
25.8253-0.3062-0.67624.2258-1.45856.96450.0739-1.2857-0.61120.577-0.176-0.00910.64090.79480.10210.78950.0559-0.12790.34880.14220.527642.31769.56125.7456
39.1655-2.8112-1.97814.68960.7823.54490.14450.03940.0742-0.24940.164-0.40680.13790.6295-0.30840.31050.0223-0.11820.1359-0.07080.117143.819526.662210.9404
43.4037-0.05390.22266.0332-1.68383.10560.07570.24860.6288-0.21570.0733-0.5307-0.08970.2578-0.1490.32230.02180.16980.05140.01290.26846.979954.79537.4068
58.1313-0.6768-1.18344.38911.62197.13240.0688-1.38030.54060.4773-0.09890.0059-0.5338-0.51130.03010.62530.0530.06050.3088-0.10440.413921.424376.307650.9902
68.0901-2.65222.05974.8384-0.60674.03380.10620.0092-0.0381-0.2640.15520.3951-0.0881-0.5883-0.26140.29490.01510.09240.10680.0610.097319.815859.03836.1702
Refinement TLS group
IDRefine-IDRefine TLS-IDAuth asym-IDAuth seq-ID
1X-RAY DIFFRACTION1A1 - 180
2X-RAY DIFFRACTION1C1 - 9
3X-RAY DIFFRACTION2A181 - 276
4X-RAY DIFFRACTION3B0 - 99
5X-RAY DIFFRACTION4D1 - 180
6X-RAY DIFFRACTION4F1 - 9
7X-RAY DIFFRACTION5D181 - 276
8X-RAY DIFFRACTION6E0 - 99

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