+Open data
-Basic information
Entry | Database: PDB / ID: 3m1b | ||||||
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Title | Crystal structure of human FcRn with a dimeric peptide inhibitor | ||||||
Components |
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Keywords | IMMUNE SYSTEM/INHIBITOR / IMMUNOGLOBULIN BINDING PROTEIN / Cell membrane / Disulfide bond / Glycoprotein / IgG-binding protein / Immunoglobulin domain / Membrane / Receptor / Transmembrane / Amyloid / Amyloidosis / Disease mutation / Glycation / Immune response / MHC I / Pyrrolidone carboxylic acid / Secreted / IMMUNE SYSTEM-IMMUNE SYSTEM INHIBITOR / IMMUNE SYSTEM-INHIBITOR complex | ||||||
Function / homology | Function and homology information IgG immunoglobulin transcytosis in epithelial cells mediated by FcRn immunoglobulin receptor / IgG binding / beta-2-microglobulin binding / 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 ...IgG immunoglobulin transcytosis in epithelial cells mediated by FcRn immunoglobulin receptor / IgG binding / beta-2-microglobulin binding / 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 / 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 / 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 / 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 / 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 / ER-Phagosome pathway / iron ion transport / early endosome membrane / T cell differentiation in thymus / protein refolding / protein homotetramerization / intracellular iron ion homeostasis / amyloid fibril formation / learning or memory / endosome membrane / immune response / Amyloid fiber formation / endoplasmic reticulum lumen / lysosomal membrane / external side of plasma membrane / Golgi 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: 3.1 Å | ||||||
Authors | Mezo, A.R. / Sridhar, V. / Badger, J. / Sakorafas, P. / Nienaber, V. | ||||||
Citation | Journal: J.Biol.Chem. / Year: 2010 Title: X-ray crystal structures of monomeric and dimeric peptide inhibitors in complex with the human neonatal Fc receptor, FcRn. Authors: Mezo, A.R. / Sridhar, V. / Badger, J. / Sakorafas, P. / Nienaber, V. | ||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 3m1b.cif.gz | 285.8 KB | Display | PDBx/mmCIF format |
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PDB format | pdb3m1b.ent.gz | 228.2 KB | Display | PDB format |
PDBx/mmJSON format | 3m1b.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Summary document | 3m1b_validation.pdf.gz | 515.1 KB | Display | wwPDB validaton report |
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Full document | 3m1b_full_validation.pdf.gz | 564.7 KB | Display | |
Data in XML | 3m1b_validation.xml.gz | 54.7 KB | Display | |
Data in CIF | 3m1b_validation.cif.gz | 74.1 KB | Display | |
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/m1/3m1b ftp://data.pdbj.org/pub/pdb/validation_reports/m1/3m1b | HTTPS FTP |
-Related structure data
Related structure data | 3m17SC S: Starting model for refinement C: citing same article (ref.) |
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Similar structure data |
-Links
-Assembly
-Components
#1: Protein | Mass: 29720.383 Da / Num. of mol.: 4 / Fragment: UNP residues 24-290 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: FCGRT, FCRN / Cell (production host): CHOK1SV cells / Production host: Cricetinae (hamsters) / References: UniProt: P55899 #2: Protein | Mass: 11748.160 Da / Num. of mol.: 4 / Fragment: UNP residues 21-119 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: B2M, CDABP0092, HDCMA22P / Cell (production host): CHOK1SV cells / Production host: Cricetinae (hamsters) / References: UniProt: P61769 #3: Protein/peptide | Sequence details | ACE AT THE N-TERMINUS OF CHAIN I IS COVALENTLY | |
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-Experimental details
-Experiment
Experiment | Method: X-RAY DIFFRACTION / Number of used crystals: 1 |
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-Sample preparation
Crystal | Density Matthews: 2.63 Å3/Da / Density % sol: 53.31 % |
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Crystal grow | Temperature: 294 K / Method: vapor diffusion, sitting drop / pH: 4.2 Details: 2ul protein:peptide with 2ul buffer containing 100 mM phosphate/citric acid, 22% PEG 1000 and 8% ethanol , pH 4.2, VAPOR DIFFUSION, SITTING DROP, temperature 294K |
-Data collection
Diffraction source | Source: SYNCHROTRON / Site: APS / Beamline: 22-ID / Wavelength: 1 Å |
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Detector | Date: Feb 1, 2009 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1 Å / Relative weight: 1 |
Reflection | Resolution: 3.1→50 Å / Num. all: 29051 / Num. obs: 29051 / % possible obs: 90.4 % / Observed criterion σ(F): 0 / Observed criterion σ(I): -4 |
Reflection shell | Resolution: 3.1→3.2 Å / % possible all: 58 |
-Processing
Software |
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Refinement | Method to determine structure: MOLECULAR REPLACEMENT Starting model: PDB ENTRY 3M17 Resolution: 3.1→37.24 Å / Cor.coef. Fo:Fc: 0.872 / Cor.coef. Fo:Fc free: 0.802 / SU B: 50.517 / SU ML: 0.901 / Cross valid method: THROUGHOUT / ESU R Free: 0.793 / Stereochemistry target values: MAXIMUM LIKELIHOOD
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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: 106.575 Å2
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Refinement step | Cycle: LAST / Resolution: 3.1→37.24 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 3.1→3.156 Å / Total num. of bins used: 20
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