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- PDB-5k1v: Crystal structure of Endoplasmic Reticulum aminopeptidase 2 (ERAP... -
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Open data
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Basic information
Entry | Database: PDB / ID: 5k1v | ||||||||||||
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Title | Crystal structure of Endoplasmic Reticulum aminopeptidase 2 (ERAP2) in complex with a diaminobenzoic acid derivative ligand. | ||||||||||||
![]() | Endoplasmic reticulum aminopeptidase 2 | ||||||||||||
![]() | HYDROLASE / Endoplasmic Reticulum aminopeptidase / zinc-binding metallopeptidase / diaminobenzoic acid derivative | ||||||||||||
Function / homology | ![]() Hydrolases; Acting on peptide bonds (peptidases); Aminopeptidases / antigen processing and presentation of peptide antigen via MHC class I / peptide catabolic process / metalloaminopeptidase activity / aminopeptidase activity / Antigen Presentation: Folding, assembly and peptide loading of class I MHC / peptide binding / antigen processing and presentation of endogenous peptide antigen via MHC class I / regulation of blood pressure / metallopeptidase activity ...Hydrolases; Acting on peptide bonds (peptidases); Aminopeptidases / antigen processing and presentation of peptide antigen via MHC class I / peptide catabolic process / metalloaminopeptidase activity / aminopeptidase activity / Antigen Presentation: Folding, assembly and peptide loading of class I MHC / peptide binding / antigen processing and presentation of endogenous peptide antigen via MHC class I / regulation of blood pressure / metallopeptidase activity / adaptive immune response / endopeptidase activity / endoplasmic reticulum lumen / endoplasmic reticulum membrane / proteolysis / extracellular space / zinc ion binding / membrane / cytoplasm Similarity search - Function | ||||||||||||
Biological species | ![]() | ||||||||||||
Method | ![]() ![]() ![]() | ||||||||||||
![]() | Saridakis, E. / Papakyriakou, A. / Giastas, P. / Mpakali, A. / Mavridis, I.M. / Stratikos, E. | ||||||||||||
Funding support | ![]()
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![]() | ![]() Title: Crystal Structures of ERAP2 Complexed with Inhibitors Reveal Pharmacophore Requirements for Optimizing Inhibitor Potency. Authors: Mpakali, A. / Giastas, P. / Deprez-Poulain, R. / Papakyriakou, A. / Koumantou, D. / Gealageas, R. / Tsoukalidou, S. / Vourloumis, D. / Mavridis, I.M. / Stratikos, E. / Saridakis, E. | ||||||||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 374.7 KB | Display | ![]() |
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PDB format | ![]() | 300.9 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 1.6 MB | Display | ![]() |
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Full document | ![]() | 1.7 MB | Display | |
Data in XML | ![]() | 66.9 KB | Display | |
Data in CIF | ![]() | 89.9 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 5j6sC ![]() 5ab0S S: Starting model for refinement C: citing same article ( |
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Similar structure data |
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Links
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Assembly
Deposited unit | ![]()
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1 | ![]()
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2 | ![]()
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Unit cell |
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Components
-Protein , 1 types, 2 molecules AB
#1: Protein | Mass: 111578.500 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() References: UniProt: Q6P179, Hydrolases; Acting on peptide bonds (peptidases); Aminopeptidases |
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-Sugars , 3 types, 15 molecules ![](data/chem/img/NAG.gif)
#2: Polysaccharide | Source method: isolated from a genetically manipulated source #3: Polysaccharide | alpha-D-mannopyranose-(1-4)-alpha-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1- ...alpha-D-mannopyranose-(1-4)-alpha-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose | Source method: isolated from a genetically manipulated source #6: Sugar | ChemComp-NAG / |
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-Non-polymers , 3 types, 47 molecules ![](data/chem/img/ZN.gif)
![](data/chem/img/6PX.gif)
![](data/chem/img/HOH.gif)
![](data/chem/img/6PX.gif)
![](data/chem/img/HOH.gif)
#4: Chemical | #5: Chemical | ChemComp-6PX / | #7: Water | ChemComp-HOH / | |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.87 Å3/Da / Density % sol: 57.18 % |
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Crystal grow | Temperature: 277 K / Method: vapor diffusion / pH: 6.2 Details: 9 %(w/v) PEG 8000, 20 %(v/v) ethylene glycol, 69 mM 2-(N-morpholino)ethanesulfonic acid (MES), 31 mM imidazole |
-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: ![]() ![]() ![]() |
Detector | Type: DECTRIS PILATUS 2M / Detector: PIXEL / Date: Aug 30, 2013 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1 Å / Relative weight: 1 |
Reflection | Resolution: 2.897→48.47 Å / Num. obs: 108521 / % possible obs: 99.7 % / Redundancy: 5.1 % / Rmerge(I) obs: 0.062 / Net I/σ(I): 17.8 |
Reflection shell | Resolution: 2.9→3.05 Å / Redundancy: 4.9 % / Rmerge(I) obs: 0.67 / Mean I/σ(I) obs: 2.3 / % possible all: 98.2 |
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Processing
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Refinement | Method to determine structure: ![]() Starting model: 5AB0 Resolution: 2.897→48.345 Å / SU ML: 0.52 / Cross valid method: FREE R-VALUE / σ(F): 1.92 / Phase error: 30.39 / Stereochemistry target values: ML
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Solvent computation | Shrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å / Solvent model: FLAT BULK SOLVENT MODEL | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement step | Cycle: LAST / Resolution: 2.897→48.345 Å
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Refine LS restraints |
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LS refinement shell |
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