+Open data
-Basic information
Entry | Database: PDB / ID: 7nmc | ||||||
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Title | Crystal structure of beta-2-microglobulin D76E mutant | ||||||
Components | Beta-2-microglobulin | ||||||
Keywords | IMMUNE SYSTEM / major histocompatibility complex class 1 / beta-2-microglobulin / mutant / D76E | ||||||
Function / homology | Function and homology information 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 / cellular response to iron ion / Endosomal/Vacuolar pathway / Antigen Presentation: Folding, assembly and peptide loading of class I MHC ...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 / 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 / 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 / multicellular organismal-level iron ion homeostasis / negative regulation of neurogenesis / positive regulation of receptor-mediated endocytosis / peptide antigen assembly with MHC class II protein complex / 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 / peptide antigen binding / positive regulation of cellular senescence / 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 / positive regulation of T cell activation / sensory perception of smell / negative regulation of neuron projection development / positive regulation of protein binding / tertiary granule lumen / DAP12 signaling / 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 / Amyloid fiber formation / endoplasmic reticulum lumen / external side of plasma membrane / Golgi membrane / lysosomal membrane / focal adhesion / Neutrophil degranulation / SARS-CoV-2 activates/modulates innate and adaptive immune responses / structural molecule activity / Golgi apparatus / endoplasmic reticulum / protein homodimerization activity / extracellular space / extracellular exosome / extracellular region / identical protein binding / membrane / plasma membrane / cytosol Similarity search - Function | ||||||
Biological species | Homo sapiens (human) | ||||||
Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.2 Å | ||||||
Authors | Guthertz, N. | ||||||
Funding support | United Kingdom, 1items
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Citation | Journal: Proc.Natl.Acad.Sci.USA / Year: 2022 Title: The effect of mutation on an aggregation-prone protein: An in vivo, in vitro, and in silico analysis. Authors: Guthertz, N. / van der Kant, R. / Martinez, R.M. / Xu, Y. / Trinh, C. / Iorga, B.I. / Rousseau, F. / Schymkowitz, J. / Brockwell, D.J. / Radford, S.E. | ||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 7nmc.cif.gz | 99.5 KB | Display | PDBx/mmCIF format |
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PDB format | pdb7nmc.ent.gz | Display | PDB format | |
PDBx/mmJSON format | 7nmc.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/nm/7nmc ftp://data.pdbj.org/pub/pdb/validation_reports/nm/7nmc | HTTPS FTP |
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-Related structure data
Related structure data | 7nmoC 7nmrC 7nmtC 7nmvC 7nmyC 7nn5C 2yxfS S: Starting model for refinement C: citing same article (ref.) |
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Similar structure data | Similarity search - Function & homologyF&H Search |
-Links
-Assembly
Deposited unit |
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1 |
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Unit cell |
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-Components
#1: Protein | Mass: 11893.383 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: B2M, CDABP0092, HDCMA22P / Production host: Escherichia coli BL21(DE3) (bacteria) / References: UniProt: P61769 | ||||||
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#2: Chemical | #3: Chemical | ChemComp-PGE / | #4: Water | ChemComp-HOH / | Has ligand of interest | Y | |
-Experimental details
-Experiment
Experiment | Method: X-RAY DIFFRACTION / Number of used crystals: 1 |
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-Sample preparation
Crystal | Density Matthews: 2.19 Å3/Da / Density % sol: 43.81 % / Description: One molecule per asymmetric unit |
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Crystal grow | Temperature: 293.15 K / Method: vapor diffusion, sitting drop Details: 100 nL mother liquor / 200 nL protein 15% Glycerol, 0.1 M NaAcetate pH 4.5-5.5, 28-32%PEG 4000, 0.2 M NH4Acetate PH range: 4.5 - 5.5 |
-Data collection
Diffraction | Mean temperature: 100 K / Serial crystal experiment: N |
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Diffraction source | Source: SYNCHROTRON / Site: Diamond / Beamline: I24 / Wavelength: 0.9686 Å |
Detector | Type: DECTRIS PILATUS3 6M / Detector: PIXEL / Date: Oct 12, 2019 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.9686 Å / Relative weight: 1 |
Reflection | Resolution: 1.2→46.6 Å / Num. obs: 31346 / % possible obs: 96.3 % / Redundancy: 5.6 % / CC1/2: 0.994 / Rpim(I) all: 0.046 / Net I/σ(I): 12.5 |
Reflection shell | Resolution: 1.2→1.22 Å / Mean I/σ(I) obs: 3.5 / Num. unique obs: 1236 / CC1/2: 0.828 / Rpim(I) all: 0.306 |
-Processing
Software |
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Refinement | Method to determine structure: MOLECULAR REPLACEMENT Starting model: 2YXF Resolution: 1.2→46.6 Å / Cor.coef. Fo:Fc: 0.971 / Cor.coef. Fo:Fc free: 0.964 / SU B: 1.228 / SU ML: 0.025 / Cross valid method: THROUGHOUT / ESU R: 0.044 / ESU R Free: 0.041 Details: Hydrogens have been added in their 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 BULK SOLVENT | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 15.637 Å2
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Refinement step | Cycle: LAST / Resolution: 1.2→46.6 Å
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Refine LS restraints |
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LS refinement shell |
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