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- PDB-3bxn: The high resolution crystal structure of HLA-B*1402 complexed wit... -
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Basic information
Entry | Database: PDB / ID: 3bxn | ||||||
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Title | The high resolution crystal structure of HLA-B*1402 complexed with a Cathepsin A signal sequence peptide, pCatA | ||||||
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![]() | IMMUNE SYSTEM / Major Histocompatibility Complex / MHC / Human Leokocyte Antigen / HLA / HLA-B14 / HLA-B*1402 / HLA-B1402 / HLA-B*14 / pCatA / Cathepsin A / Ankylosing Spondylitis / Autoimmunity | ||||||
Function / homology | ![]() carboxypeptidase C / Defective NEU1 causes sialidosis / serine-type carboxypeptidase activity / Sialic acid metabolism / regulation of chaperone-mediated autophagy / Glycosphingolipid catabolism / negative regulation of chaperone-mediated autophagy / carboxypeptidase activity / enzyme activator activity / MHC class II antigen presentation ...carboxypeptidase C / Defective NEU1 causes sialidosis / serine-type carboxypeptidase activity / Sialic acid metabolism / regulation of chaperone-mediated autophagy / Glycosphingolipid catabolism / negative regulation of chaperone-mediated autophagy / carboxypeptidase activity / enzyme activator activity / MHC class II antigen presentation / lysosomal lumen / 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 / 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 / cellular response to iron ion / Endosomal/Vacuolar pathway / Antigen Presentation: Folding, assembly and peptide loading of class I MHC / intracellular protein transport / 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 protein stability / regulation of erythrocyte differentiation / ER to Golgi transport vesicle membrane / peptide antigen assembly with MHC class I protein complex / 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 / 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 / specific granule lumen / recycling endosome membrane / phagocytic vesicle membrane / positive regulation of cellular senescence / peptide antigen binding / negative regulation of epithelial cell proliferation / antigen processing and presentation of exogenous peptide antigen via MHC class II / Immunoregulatory interactions between a Lymphoid and a non-Lymphoid cell / Interferon gamma signaling / azurophil granule lumen / 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 / 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 / lysosome / immune response / Amyloid fiber formation / endoplasmic reticulum lumen / lysosomal membrane / external side of plasma membrane / Golgi membrane / intracellular membrane-bounded organelle / focal adhesion / signaling receptor binding / Neutrophil degranulation / SARS-CoV-2 activates/modulates innate and adaptive immune responses / structural molecule activity / Golgi apparatus / endoplasmic reticulum / protein homodimerization activity / proteolysis / extracellular space / extracellular exosome / extracellular region / identical protein binding / membrane / plasma membrane / cytosol Similarity search - Function | ||||||
Biological species | ![]() | ||||||
Method | ![]() ![]() ![]() | ||||||
![]() | Kumar, P. / Vahedi-Faridi, A. / Saenger, W. / Uchanska-Ziegler, B. / Ziegler, A. | ||||||
![]() | ![]() Title: Structural basis for T cell alloreactivity among three HLA-B14 and HLA-B27 antigens Authors: Kumar, P. / Vahedi-Faridi, A. / Saenger, W. / Merino, E. / Lopez de Castro, J.A. / Uchanska-Ziegler, B. / Ziegler, A. | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 106.7 KB | Display | ![]() |
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PDB format | ![]() | 79.6 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 455.5 KB | Display | ![]() |
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Full document | ![]() | 459.1 KB | Display | |
Data in XML | ![]() | 22.6 KB | Display | |
Data in CIF | ![]() | 34.7 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 3bp4C ![]() 3bp7C ![]() 3bvnSC S: Starting model for refinement C: citing same article ( |
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Similar structure data |
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Assembly
Deposited unit | ![]()
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Unit cell |
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Components
#1: Protein | Mass: 32172.352 Da / Num. of mol.: 1 / Fragment: ectodomain, residues 10-286 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() | ||
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#2: Protein | Mass: 11879.356 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() | ||
#3: Protein/peptide | Mass: 982.198 Da / Num. of mol.: 1 / Fragment: signal sequence peptide, residues 2-10 / Source method: obtained synthetically / Details: pCatA peptide chemically synthesized / References: UniProt: P10619 | ||
#4: Chemical | ChemComp-GOL / #5: Water | ChemComp-HOH / | |
-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.56 Å3/Da / Density % sol: 52.04 % |
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Crystal grow | Temperature: 291 K / Method: vapor diffusion, hanging drop / pH: 7.5 Details: 24- 27%(w/v) PEG 20000, with 0.1 M HEPES pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K |
-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: ![]() ![]() ![]() |
Detector | Type: MARRESEARCH / Detector: CCD / Date: Apr 27, 2007 / Details: mirrors |
Radiation | Monochromator: Si-111 crystal / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.91841 Å / Relative weight: 1 |
Reflection | Resolution: 1.864→50 Å / Num. all: 38358 / Num. obs: 38358 / % possible obs: 96.8 % / Observed criterion σ(I): 0 / Redundancy: 4.6 % / Rmerge(I) obs: 0.07 / Net I/σ(I): 20.14 |
Reflection shell | Resolution: 1.864→1.93 Å / Rmerge(I) obs: 0.24 / Mean I/σ(I) obs: 3.6 / Num. unique all: 3022 |
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Processing
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Refinement | Method to determine structure: ![]() Starting model: 3BVN Resolution: 1.864→50 Å / Cor.coef. Fo:Fc: 0.957 / Cor.coef. Fo:Fc free: 0.929 / SU B: 2.624 / SU ML: 0.081 / Cross valid method: THROUGHOUT / σ(F): 2 / ESU R: 0.136 / ESU R Free: 0.135 / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
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Solvent computation | Ion probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: MASK | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 20.459 Å2
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Refinement step | Cycle: LAST / Resolution: 1.864→50 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 1.864→1.913 Å / Total num. of bins used: 20
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