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Yorodumi- PDB-3m18: Crystal structure of variable lymphocyte receptor VLRA.R2.1 in co... -
+Open data
-Basic information
Entry | Database: PDB / ID: 3m18 | ||||||
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Title | Crystal structure of variable lymphocyte receptor VLRA.R2.1 in complex with hen egg lysozyme | ||||||
Components |
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Keywords | IMMUNE SYSTEM / variable lymphocyte receptor / adaptive immunity / antibody / T cell / B cell / leucine-rich repeat | ||||||
Function / homology | Function and homology information extracellular matrix / Lactose synthesis / Antimicrobial peptides / Neutrophil degranulation / beta-N-acetylglucosaminidase activity / cell wall macromolecule catabolic process / lysozyme / lysozyme activity / defense response to Gram-negative bacterium / killing of cells of another organism ...extracellular matrix / Lactose synthesis / Antimicrobial peptides / Neutrophil degranulation / beta-N-acetylglucosaminidase activity / cell wall macromolecule catabolic process / lysozyme / lysozyme activity / defense response to Gram-negative bacterium / killing of cells of another organism / defense response to Gram-positive bacterium / defense response to bacterium / endoplasmic reticulum / extracellular space / identical protein binding / cytoplasm Similarity search - Function | ||||||
Biological species | Petromyzon marinus (sea lamprey) Gallus gallus (chicken) | ||||||
Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.95 Å | ||||||
Authors | Deng, L. / Velikovsky, C.A. / Mariuzza, R.A. | ||||||
Citation | Journal: Proc.Natl.Acad.Sci.USA / Year: 2010 Title: A structural basis for antigen recognition by the T cell-like lymphocytes of sea lamprey. Authors: Deng, L. / Velikovsky, C.A. / Xu, G. / Iyer, L.M. / Tasumi, S. / Kerzic, M.C. / Flajnik, M.F. / Aravind, L. / Pancer, Z. / Mariuzza, R.A. | ||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 3m18.cif.gz | 89.4 KB | Display | PDBx/mmCIF format |
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PDB format | pdb3m18.ent.gz | 66.1 KB | Display | PDB format |
PDBx/mmJSON format | 3m18.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Summary document | 3m18_validation.pdf.gz | 446.6 KB | Display | wwPDB validaton report |
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Full document | 3m18_full_validation.pdf.gz | 450.9 KB | Display | |
Data in XML | 3m18_validation.xml.gz | 18.1 KB | Display | |
Data in CIF | 3m18_validation.cif.gz | 26.3 KB | Display | |
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/m1/3m18 ftp://data.pdbj.org/pub/pdb/validation_reports/m1/3m18 | HTTPS FTP |
-Related structure data
Related structure data | 3m19C 2vb1S 3e6jS C: citing same article (ref.) S: Starting model for refinement |
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Similar structure data |
-Links
-Assembly
Deposited unit |
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1 |
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Unit cell |
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-Components
#1: Protein | Mass: 27465.908 Da / Num. of mol.: 1 / Fragment: Ectodomain Source method: isolated from a genetically manipulated source Source: (gene. exp.) Petromyzon marinus (sea lamprey) / Gene: VLRA / Production host: Escherichia coli (E. coli) / Strain (production host): BL21-CodonPlus(DE3) / References: UniProt: C7B6Y3 |
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#2: Protein | Mass: 14331.160 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Gallus gallus (chicken) / References: UniProt: P00698, lysozyme |
#3: Chemical | ChemComp-PO4 / |
#4: Water | ChemComp-HOH / |
Has protein modification | Y |
-Experimental details
-Experiment
Experiment | Method: X-RAY DIFFRACTION / Number of used crystals: 1 |
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-Sample preparation
Crystal | Density Matthews: 2.13 Å3/Da / Density % sol: 42.38 % |
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Crystal grow | Temperature: 293 K / Method: vapor diffusion, hanging drop / pH: 7 Details: 15% (w/v) polyethylene glycol 2000 and 0.1 M Bis-Tris, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K |
-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: SYNCHROTRON / Site: NSLS / Beamline: X29A / Wavelength: 1 Å |
Detector | Type: ADSC QUANTUM 315 / Detector: CCD / Date: Jan 1, 2008 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1 Å / Relative weight: 1 |
Reflection | Resolution: 1.95→55.815 Å / Num. obs: 24789 / Redundancy: 6.4 % / Biso Wilson estimate: 28.3 Å2 / Rmerge(I) obs: 0.087 / Net I/σ(I): 33.2 |
Reflection shell | Resolution: 1.95→2.02 Å / Redundancy: 4.1 % / Rmerge(I) obs: 0.34 / Mean I/σ(I) obs: 3.2 / % possible all: 80.2 |
-Processing
Software |
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Refinement | Method to determine structure: MOLECULAR REPLACEMENT Starting model: PDB ENTRY 3E6J PDB ENTRY 2VB1 Resolution: 1.95→55.81 Å / Cor.coef. Fo:Fc: 0.957 / Cor.coef. Fo:Fc free: 0.931 / SU B: 4.077 / SU ML: 0.119 / Cross valid method: THROUGHOUT / σ(F): 0 / ESU R: 0.193 / ESU R Free: 0.175 / 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: 29.771 Å2
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Refinement step | Cycle: LAST / Resolution: 1.95→55.81 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 1.951→2.002 Å / Total num. of bins used: 20
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