[English] 日本語
![](img/lk-miru.gif)
- PDB-6p2s: Structure of a nested set of N-terminally extended MHC I-peptides... -
+
Open data
-
Basic information
Entry | Database: PDB / ID: 6p2s | |||||||||
---|---|---|---|---|---|---|---|---|---|---|
Title | Structure of a nested set of N-terminally extended MHC I-peptides provide novel insights into antigen processing and presentation | |||||||||
![]() |
| |||||||||
![]() | IMMUNE SYSTEM / MHC I antigen processing / MHC I antigen presentation / MHC I structure / MHC I immunopeptide | |||||||||
Function / homology | ![]() 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 / 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 / lumenal side of endoplasmic reticulum membrane / cellular response to iron ion / 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 / 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 / defense response / 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 / positive regulation of immune response / Modulation by Mtb of host immune system / Interferon alpha/beta signaling / 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 / protein-folding chaperone binding / 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 / lysosomal membrane / external side of plasma membrane / Golgi membrane / innate immune response / focal adhesion / signaling receptor binding / 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 | |||||||||
Biological species | ![]() ![]() ![]() | |||||||||
Method | ![]() ![]() ![]() | |||||||||
![]() | Li, L. / Batliwala, M. / Bouvier, M. | |||||||||
Funding support | ![]()
| |||||||||
![]() | ![]() Title: ERAP1 enzyme-mediated trimming and structural analyses of MHC I-bound precursor peptides yield novel insights into antigen processing and presentation. Authors: Li, L. / Batliwala, M. / Bouvier, M. | |||||||||
History |
|
-
Structure visualization
Structure viewer | Molecule: ![]() ![]() |
---|
-
Downloads & links
-
Download
PDBx/mmCIF format | ![]() | 100.4 KB | Display | ![]() |
---|---|---|---|---|
PDB format | ![]() | 73.2 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 444.8 KB | Display | ![]() |
---|---|---|---|---|
Full document | ![]() | 452 KB | Display | |
Data in XML | ![]() | 19.2 KB | Display | |
Data in CIF | ![]() | 27.4 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 6p23C ![]() 6p27C ![]() 6p2cC ![]() 6p2fC ![]() 1agbS S: Starting model for refinement C: citing same article ( |
---|---|
Similar structure data |
-
Links
-
Assembly
Deposited unit | ![]()
| ||||||||
---|---|---|---|---|---|---|---|---|---|
1 |
| ||||||||
Unit cell |
|
-
Components
#1: Protein | Mass: 31902.004 Da / Num. of mol.: 1 / Fragment: UNP residues 25-300 / Mutation: E76C Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() |
---|---|
#2: Protein | Mass: 11879.356 Da / Num. of mol.: 1 / Fragment: UNP residues 21-119 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() |
#3: Protein/peptide | Mass: 1240.561 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) ![]() ![]() |
#4: Water | ChemComp-HOH / |
-Experimental details
-Experiment
Experiment | Method: ![]() |
---|
-
Sample preparation
Crystal | Density Matthews: 2.47 Å3/Da / Density % sol: 50.28 % |
---|---|
Crystal grow | Temperature: 298 K / Method: vapor diffusion, hanging drop Details: 0.2 M ammonium sulfate, 18% PEG4000, 0.1 M sodium cacodylate, pH 5.7 |
-Data collection
Diffraction | Mean temperature: 80 K / Serial crystal experiment: N |
---|---|
Diffraction source | Source: ![]() ![]() ![]() |
Detector | Type: MARMOSAIC 300 mm CCD / Detector: CCD / Date: Aug 16, 2018 |
Radiation | Monochromator: diamond(111) / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.97872 Å / Relative weight: 1 |
Reflection | Resolution: 1.65→64.91 Å / Num. obs: 51165 / % possible obs: 98.9 % / Redundancy: 5.7 % / Rmerge(I) obs: 0.072 / Net I/σ(I): 13.6 |
Reflection shell | Resolution: 1.65→1.69 Å / Num. unique obs: 4988 / CC1/2: 0.78 |
-
Processing
Software |
| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Refinement | Method to determine structure: ![]() Starting model: PDB entry 1AGB Resolution: 1.65→64.91 Å / Cor.coef. Fo:Fc: 0.961 / Cor.coef. Fo:Fc free: 0.958 / SU B: 1.693 / SU ML: 0.056 / Cross valid method: THROUGHOUT / ESU R: 0.103 / ESU R Free: 0.093 / Details: HYDROGENS HAVE BEEN USED IF PRESENT IN THE INPUT
| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Solvent computation | Ion probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 34.885 Å2
| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement step | Cycle: 1 / Resolution: 1.65→64.91 Å
| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refine LS restraints |
|