+Open data
-Basic information
Entry | Database: PDB / ID: 1i22 | ||||||
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Title | MUTANT HUMAN LYSOZYME (A83K/Q86D/A92D) | ||||||
Components | LYSOZYME C | ||||||
Keywords | HYDROLASE / CALCIUM BINDING SITE / MUTANT HUMAN LYSOZYME | ||||||
Function / homology | Function and homology information antimicrobial humoral response / Antimicrobial peptides / specific granule lumen / azurophil granule lumen / tertiary granule lumen / lysozyme / lysozyme activity / defense response to Gram-negative bacterium / killing of cells of another organism / defense response to Gram-positive bacterium ...antimicrobial humoral response / Antimicrobial peptides / specific granule lumen / azurophil granule lumen / tertiary granule lumen / 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 / inflammatory response / Amyloid fiber formation / Neutrophil degranulation / extracellular space / extracellular exosome / extracellular region / identical protein binding Similarity search - Function | ||||||
Biological species | Homo sapiens (human) | ||||||
Method | X-RAY DIFFRACTION / MOLECULAR REPLACEMENT / Resolution: 1.8 Å | ||||||
Authors | Kuroki, R. | ||||||
Citation | Journal: J.Biol.Chem. / Year: 1998 Title: Structural and thermodynamic responses of mutations at a Ca2+ binding site engineered into human lysozyme. Authors: Kuroki, R. / Yutani, K. #1: Journal: J.Biol.Chem. / Year: 1992 Title: Thermodynamic changes in the binding of Ca2+ to a mutant human lysozyme (D86/92). Enthalpy-entropy compensation observed upon Ca2+ binding to proteins. Authors: Kuroki, R. / Nitta, K. / Yutani, K. #2: Journal: Proc.Natl.Acad.Sci.USA / Year: 1992 Title: Entropic Stabilization of a Mutant Human Lysozyme Induced by Calcium Binding Authors: Kuroki, R. / Kawakita, S. / Nakamura, H. / Yutani, K. #3: Journal: J.Biol.Chem. / Year: 1991 Title: Crystal Structures of the Apo- and Holomutant Human Lysozymes with an Introduced Ca2+ Binding Site Authors: Inaka, K. / Kuroki, R. / Kikuchi, M. / Matsushima, M. #4: Journal: Proc.Natl.Acad.Sci.USA / Year: 1989 Title: Design and Creation of a Ca2+ Binding Site in Human Lysozyme to Enhanced Structural Stability Authors: Kuroki, R. / Taniyama, Y. / Seko, C. / Nakamura, H. / Kikuchi, M. / Ikehara, M. | ||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 1i22.cif.gz | 122.4 KB | Display | PDBx/mmCIF format |
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PDB format | pdb1i22.ent.gz | 94.6 KB | Display | PDB format |
PDBx/mmJSON format | 1i22.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Summary document | 1i22_validation.pdf.gz | 390.9 KB | Display | wwPDB validaton report |
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Full document | 1i22_full_validation.pdf.gz | 416.1 KB | Display | |
Data in XML | 1i22_validation.xml.gz | 13.6 KB | Display | |
Data in CIF | 1i22_validation.cif.gz | 22.5 KB | Display | |
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/i2/1i22 ftp://data.pdbj.org/pub/pdb/validation_reports/i2/1i22 | HTTPS FTP |
-Related structure data
Related structure data | 1i1zC 1i20C 3lhmS 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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2 |
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4 |
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Unit cell |
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-Components
#1: Protein | Mass: 14809.764 Da / Num. of mol.: 4 / Mutation: A83K/Q86D/A92D Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Plasmid: PERI8811 / Production host: Saccharomyces cerevisiae (brewer's yeast) / Strain (production host): AH22R- / References: UniProt: P61626, lysozyme #2: Chemical | ChemComp-CA / #3: Water | ChemComp-HOH / | Has protein modification | Y | |
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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: 2.35 Å3/Da / Density % sol: 47.63 % | |||||||||||||||||||||||||||||||||||
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Crystal grow | Temperature: 298 K / Method: vapor diffusion, hanging drop / pH: 6 Details: PHOSPHATE, SODIUM CHLORIDE, CALCIUM CHLORIDE, pH 6.00, VAPOR DIFFUSION, HANGING DROP, temperature 298K | |||||||||||||||||||||||||||||||||||
Crystal grow | *PLUS Method: unknown / pH: 6 | |||||||||||||||||||||||||||||||||||
Components of the solutions | *PLUS
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-Data collection
Diffraction | Mean temperature: 293 K |
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Diffraction source | Source: ROTATING ANODE / Type: RIGAKU RU200 / Wavelength: 1.5418 / Wavelength: 1.5418 Å |
Detector | Type: SDMS / Detector: AREA DETECTOR / Date: Feb 26, 1993 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1.5418 Å / Relative weight: 1 |
Reflection | Resolution: 1.8→50 Å / Num. obs: 39085 / Rmerge(I) obs: 0.041 |
Reflection | *PLUS Highest resolution: 1.8 Å / Lowest resolution: 9999 Å / Num. measured all: 66509 |
-Processing
Software |
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Refinement | Method to determine structure: MOLECULAR REPLACEMENT Starting model: 3LHM (HOLO-Q86D/A92D MUTANT LYSOZYME) Resolution: 1.8→20 Å / σ(F): 0
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Refinement step | Cycle: LAST / Resolution: 1.8→20 Å
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Refine LS restraints |
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Software | *PLUS Name: TNT / Classification: refinement | ||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement | *PLUS Lowest resolution: 20 Å / σ(F): 0 / Rfactor Rwork: 0.172 | ||||||||||||||||||||||||||||||||||||||||||||||||||
Solvent computation | *PLUS | ||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | *PLUS | ||||||||||||||||||||||||||||||||||||||||||||||||||
Refine LS restraints | *PLUS
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