+Open data
-Basic information
Entry | Database: PDB / ID: 7akk | ||||||||||||||||||
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Title | Structure of a complement factor-receptor complex | ||||||||||||||||||
Components |
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Keywords | IMMUNE SYSTEM / Immunology / Complement / iC3b / Integrin / CR3 | ||||||||||||||||||
Function / homology | Function and homology information ectodermal cell differentiation / positive regulation of prostaglandin-E synthase activity / response to curcumin / positive regulation of neutrophil degranulation / integrin alphaM-beta2 complex / positive regulation of microglial cell mediated cytotoxicity / response to Gram-positive bacterium / oviduct epithelium development / C5L2 anaphylatoxin chemotactic receptor binding / regulation of triglyceride biosynthetic process ...ectodermal cell differentiation / positive regulation of prostaglandin-E synthase activity / response to curcumin / positive regulation of neutrophil degranulation / integrin alphaM-beta2 complex / positive regulation of microglial cell mediated cytotoxicity / response to Gram-positive bacterium / oviduct epithelium development / C5L2 anaphylatoxin chemotactic receptor binding / regulation of triglyceride biosynthetic process / positive regulation of activation of membrane attack complex / complement component C3b binding / vertebrate eye-specific patterning / positive regulation of apoptotic cell clearance / complement-mediated synapse pruning / Toll Like Receptor 4 (TLR4) Cascade / negative regulation of dopamine metabolic process / Alternative complement activation / cell-cell adhesion via plasma-membrane adhesion molecules / positive regulation of lipid storage / positive regulation of phagocytosis, engulfment / positive regulation of G protein-coupled receptor signaling pathway / complement receptor mediated signaling pathway / Activation of C3 and C5 / positive regulation of type IIa hypersensitivity / positive regulation of glucose transmembrane transport / complement-dependent cytotoxicity / complement activation, alternative pathway / complement activation / heterotypic cell-cell adhesion / integrin complex / cargo receptor activity / cell adhesion mediated by integrin / endopeptidase inhibitor activity / neuron remodeling / phagocytosis, engulfment / amyloid-beta clearance / plasma membrane raft / tertiary granule membrane / positive regulation of vascular endothelial growth factor production / positive regulation of protein targeting to membrane / Integrin cell surface interactions / Purinergic signaling in leishmaniasis infection / specific granule membrane / response to mechanical stimulus / forebrain development / heat shock protein binding / Peptide ligand-binding receptors / receptor-mediated endocytosis / cell-matrix adhesion / complement activation, classical pathway / positive regulation of superoxide anion generation / fatty acid metabolic process / Regulation of Complement cascade / response to ischemia / integrin-mediated signaling pathway / Cell surface interactions at the vascular wall / Post-translational protein phosphorylation / response to bacterium / microglial cell activation / cell-cell adhesion / positive regulation of receptor-mediated endocytosis / positive regulation of angiogenesis / Regulation of Insulin-like Growth Factor (IGF) transport and uptake by Insulin-like Growth Factor Binding Proteins (IGFBPs) / Immunoregulatory interactions between a Lymphoid and a non-Lymphoid cell / azurophil granule lumen / integrin binding / response to estradiol / amyloid-beta binding / G alpha (i) signalling events / Interleukin-4 and Interleukin-13 signaling / secretory granule lumen / blood microparticle / cell adhesion / inflammatory response / immune response / positive regulation of protein phosphorylation / G protein-coupled receptor signaling pathway / endoplasmic reticulum lumen / external side of plasma membrane / innate immune response / signaling receptor binding / Neutrophil degranulation / cell surface / signal transduction / protein-containing complex / extracellular space / extracellular exosome / extracellular region / metal ion binding / plasma membrane Similarity search - Function | ||||||||||||||||||
Biological species | Homo sapiens (human) | ||||||||||||||||||
Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 3.395 Å | ||||||||||||||||||
Authors | Fernandez, F.J. / Santos-Lopez, J. / Martinez-Barricarte, R. / Querol-Garcia, J. / Navas-Yuste, S. / Savko, M. / Shepard, W.E. / Rodriguez de Cordoba, S. / Vega, M.C. | ||||||||||||||||||
Funding support | Spain, 5items
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Citation | Journal: Nat Commun / Year: 2022 Title: The crystal structure of iC3b-CR3 alpha I reveals a modular recognition of the main opsonin iC3b by the CR3 integrin receptor Authors: Fernandez, F.J. / Santos-Lopez, J. / Martinez-Barricarte, R. / Querol-Garcia, J. / Martin-Merinero, H. / Navas-Yuste, S. / Savko, M. / Shepard, W.E. / Rodriguez de Cordoba, S. / Vega, M.C. | ||||||||||||||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 7akk.cif.gz | 1.2 MB | Display | PDBx/mmCIF format |
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PDB format | pdb7akk.ent.gz | 1018.5 KB | Display | PDB format |
PDBx/mmJSON format | 7akk.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/ak/7akk ftp://data.pdbj.org/pub/pdb/validation_reports/ak/7akk | HTTPS FTP |
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-Related structure data
Related structure data | 2a74S 2i07S 4m76S S: Starting model for refinement |
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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
-Protein , 3 types, 6 molecules BCAEDH
#1: Protein | Mass: 71393.320 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P01024 #2: Protein | Mass: 102064.844 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P01024 #3: Protein | Mass: 22221.268 Da / Num. of mol.: 2 / Mutation: C128S,I316G Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: ITGAM, CD11B, CR3A / Plasmid: pETM-11 / Production host: Escherichia coli BL21(DE3) (bacteria) / References: UniProt: P11215 |
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-Sugars , 3 types, 3 molecules
#4: Polysaccharide | alpha-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta- ...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 |
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#5: Polysaccharide | beta-D-mannopyranose-(1-6)-alpha-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1- ...beta-D-mannopyranose-(1-6)-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 |
#9: Sugar | ChemComp-NAG / |
-Non-polymers , 4 types, 28 molecules
#6: Chemical | #7: Chemical | #8: Chemical | #10: Water | ChemComp-HOH / | |
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-Details
Has ligand of interest | N |
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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: 2.38 Å3/Da / Density % sol: 48.37 % / Description: Long needles |
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Crystal grow | Temperature: 295 K / Method: vapor diffusion, sitting drop / pH: 8 Details: 100 mM Tris-HCl (pH 8.0), 8% (w/v) polyethylene glycol (PEG) 8000 PH range: 8 |
-Data collection
Diffraction | Mean temperature: 100 K / Serial crystal experiment: N |
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Diffraction source | Source: SYNCHROTRON / Site: SOLEIL / Beamline: PROXIMA 2 / Wavelength: 0.98001 Å |
Detector | Type: DECTRIS EIGER X 9M / Detector: PIXEL / Date: Jul 21, 2020 |
Radiation | Monochromator: Cryogenically cooled channel cut crystal monochromator Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.98001 Å / Relative weight: 1 |
Reflection twin | Operator: l,-k,h / Fraction: 0.5 |
Reflection | Resolution: 3.34→53.775 Å / Num. obs: 50383 / % possible obs: 99.62 % / Redundancy: 3.6 % / Biso Wilson estimate: 105.46 Å2 / CC1/2: 0.973 / CC star: 0.993 / Rmerge(I) obs: 0.338 / Rpim(I) all: 0.209 / Rrim(I) all: 0.398 / Net I/σ(I): 4.03 |
Reflection shell | Resolution: 3.39→3.52 Å / Redundancy: 3.6 % / Rmerge(I) obs: 2.422 / Mean I/σ(I) obs: 0.53 / Num. unique obs: 4854 / CC1/2: 0.167 / CC star: 0.547 / Rpim(I) all: 1.486 / Rrim(I) all: 2.847 / % possible all: 96.71 |
-Processing
Software |
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Refinement | Method to determine structure: MOLECULAR REPLACEMENT Starting model: wwPDB 2A74/2I07/4M76 Resolution: 3.395→53.775 Å / Cross valid method: THROUGHOUT / Phase error: 20.03 / Stereochemistry target values: TWIN_LSQ_F
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Solvent computation | Shrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å / Solvent model: FLAT BULK SOLVENT MODEL | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso max: 208 Å2 / Biso mean: 112.4737 Å2 / Biso min: 25 Å2 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement step | Cycle: final / Resolution: 3.395→53.775 Å
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LS refinement shell | Refine-ID: X-RAY DIFFRACTION / Rfactor Rfree error: 0
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Refinement TLS params. | Method: refined / Refine-ID: X-RAY DIFFRACTION
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Refinement TLS group |
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