+Open data
-Basic information
Entry | Database: PDB / ID: 3hla | ||||||
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Title | HUMAN CLASS I HISTOCOMPATIBILITY ANTIGEN A2.1 | ||||||
Components |
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Keywords | HISTOCOMPATIBILITY ANTIGEN | ||||||
Function / homology | Function and homology information T cell mediated cytotoxicity directed against tumor cell target / positive regulation of memory T cell activation / TAP complex binding / Golgi medial cisterna / positive regulation of CD8-positive, alpha-beta T cell activation / CD8-positive, alpha-beta T cell activation / 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 ...T cell mediated cytotoxicity directed against tumor cell target / positive regulation of memory T cell activation / TAP complex binding / Golgi medial cisterna / positive regulation of CD8-positive, alpha-beta T cell activation / CD8-positive, alpha-beta T cell activation / 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 / detection of bacterium / T cell receptor binding / 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 / lumenal side of endoplasmic reticulum membrane / 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 / positive regulation of type II interferon production / Interferon alpha/beta signaling / sensory perception of smell / positive regulation of T cell activation / positive regulation of protein binding / tertiary granule lumen / E3 ubiquitin ligases ubiquitinate target proteins / DAP12 signaling / negative regulation of neuron projection development / MHC class II protein complex binding / late endosome membrane / T cell differentiation in thymus / T cell receptor signaling pathway / ER-Phagosome pathway / iron ion transport / early endosome membrane / protein refolding / antibacterial humoral response / protein homotetramerization / intracellular iron ion homeostasis / amyloid fibril formation / learning or memory / defense response to Gram-positive bacterium / immune response / Amyloid fiber formation / lysosomal membrane / external side of plasma membrane / endoplasmic reticulum lumen / Golgi membrane / signaling receptor binding / focal adhesion / innate immune response / 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 | ||||||
Biological species | Homo sapiens (human) | ||||||
Method | X-RAY DIFFRACTION / Resolution: 2.6 Å | ||||||
Authors | Saper, M.A. / Bjorkman, P.J. / Wiley, D.C. | ||||||
Citation | Journal: J.Mol.Biol. / Year: 1991 Title: Refined structure of the human histocompatibility antigen HLA-A2 at 2.6 A resolution. Authors: Saper, M.A. / Bjorkman, P.J. / Wiley, D.C. #1: Journal: Nature / Year: 1989 Title: Specificity Pockets for the Side Chains of Peptide Antigens in Hla-Aw68 Authors: Garrett, T.P.J. / Saper, M.A. / Bjorkman, P.J. / Strominger, J.L. / Wiley, D.C. #2: Journal: Nature / Year: 1987 Title: Structure of the Human Class I Histocompatibility Antigen, Hla-A2 Authors: Bjorkman, P.J. / Saper, M.A. / Samraoui, B. / Bennett, W.S. / Strominger, J.L. / Wiley, D.C. #3: Journal: Nature / Year: 1987 Title: The Foreign Antigen Binding Site and T Cell Recognition Regions of Class I Histocompatibility Antigens Authors: Bjorkman, P.J. / Saper, M.A. / Samraoui, B. / Bennett, W.S. / Strominger, J.L. / Wiley, D.C. #4: Journal: J.Mol.Biol. / Year: 1985 Title: Crystallization and X-Ray Diffraction Studies on the Histocompatibility Antigens Hla-A2 and Hla-A28 from Human Cell Membranes Authors: Bjorkman, P.J. / Strominger, J.L. / Wiley, D.C. | ||||||
History |
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Remark 700 | SHEET SHEETS 2 AND 4 EACH HAVE ONE STRAND THAT IS BIFURCATED. THIS IS REPRESENTED BY PRESENTING THE ...SHEET SHEETS 2 AND 4 EACH HAVE ONE STRAND THAT IS BIFURCATED. THIS IS REPRESENTED BY PRESENTING THE SHEETS TWICE (DESIGNATED SHEETS SB1, SB2 AND SD1, SD2 RESPECTIVELY) WHERE THE TWO REPRESENTATIONS DIFFER IN THEIR LAST STRAND. |
-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 3hla.cif.gz | 88.4 KB | Display | PDBx/mmCIF format |
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PDB format | pdb3hla.ent.gz | 67 KB | Display | PDB format |
PDBx/mmJSON format | 3hla.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/hl/3hla ftp://data.pdbj.org/pub/pdb/validation_reports/hl/3hla | HTTPS FTP |
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-Related structure data
Similar structure data |
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-Links
-Assembly
Deposited unit |
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1 |
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Unit cell |
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Atom site foot note | 1: GLY A 1 IS POSSIBLY DISORDERED. / 2: VAL A 28 HAS A BAD TAU ANGLE. / 3: ARG A 82 MAY HAVE AN ALTERNATE SIDECHAIN CONFORMATION. / 4: THR A 94 HAS A NONPLANAR OMEGA ANGLE. 5: TYR A 116 HAS FAIR ELECTRON DENSITY NOT TYPICAL OF MOST OTHER TYROSINES IN THIS STRUCTURE. 6: PRO A 267, LYS A 268, PRO A 269, AND LEU A 270 ARE DISORDERED. THE FIT IS TENTATIVE. PRO A 267 HAS BAD GEOMETRY. 7: PROLINES A 210 AND B 32 ARE CIS PROLINES. |
-Components
#1: Protein | Mass: 31167.424 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / Cell line: LYMPHOBLASTOID CELL LINE / References: UniProt: P01892, UniProt: P04439*PLUS |
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#2: Protein | Mass: 11748.160 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / Cell line: LYMPHOBLASTOID CELL LINE / References: UniProt: P61769 |
#3: Water | ChemComp-HOH / |
Compound details | SECONDARY STRUCTURE SPECIFICATIONS WERE MADE BY USE OF THE PROCEDURE OF W. KABSCH AND C. SANDER ...SECONDARY STRUCTURE SPECIFICAT |
Nonpolymer details | A CARBOHYDRATE MOIETY IS ATTACHED AT RESIDUE ASN A 86 BUT IT HAS NOT BEEN MODELED. THUS NO ...A CARBOHYDRA |
-Experimental details
-Experiment
Experiment | Method: X-RAY DIFFRACTION |
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-Sample preparation
Crystal | Density Matthews: 2.75 Å3/Da / Density % sol: 55.32 % |
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-Data collection
Reflection | *PLUS Highest resolution: 2 Å / Lowest resolution: 9999 Å / % possible obs: 47 % / Num. measured all: 16679 |
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-Processing
Software | Name: X-PLOR / Classification: refinement | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Refinement | Resolution: 2.6→6 Å / Rfactor Rwork: 0.169 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement step | Cycle: LAST / Resolution: 2.6→6 Å
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Refine LS restraints |
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Software | *PLUS Name: X-PLOR / Classification: refinement | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement | *PLUS Highest resolution: 2.6 Å / Lowest resolution: 6 Å / Rfactor obs: 0.169 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Solvent computation | *PLUS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | *PLUS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refine LS restraints | *PLUS Type: x_angle_d | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
LS refinement shell | *PLUS Highest resolution: 2.8 Å / Lowest resolution: 3 Å / Total num. of bins used: 10 / Num. reflection obs: 827 / Rfactor obs: 0.12 |