+Open data
-Basic information
Entry | Database: PDB / ID: 1nz2 | ||||||
---|---|---|---|---|---|---|---|
Title | K45E Variant of Horse Heart Myoglobin | ||||||
Components | Myoglobin | ||||||
Keywords | OXYGEN STORAGE/TRANSPORT / muscle / oxygen transport / heme / OXYGEN STORAGE-TRANSPORT COMPLEX | ||||||
Function / homology | Function and homology information nitrite reductase activity / Oxidoreductases; Acting on other nitrogenous compounds as donors / oxygen transport / sarcoplasm / Oxidoreductases; Acting on a peroxide as acceptor; Peroxidases / removal of superoxide radicals / oxygen carrier activity / oxygen binding / peroxidase activity / heme binding ...nitrite reductase activity / Oxidoreductases; Acting on other nitrogenous compounds as donors / oxygen transport / sarcoplasm / Oxidoreductases; Acting on a peroxide as acceptor; Peroxidases / removal of superoxide radicals / oxygen carrier activity / oxygen binding / peroxidase activity / heme binding / extracellular exosome / metal ion binding Similarity search - Function | ||||||
Biological species | Equus caballus (horse) | ||||||
Method | X-RAY DIFFRACTION / MOLECULAR REPLACEMENT / Resolution: 1.9 Å | ||||||
Authors | Hunter, C.L. / Maurus, R. / Mauk, M.R. / Lee, H. / Raven, E.L. / Tong, H. / Nguyen, N. / Smith, M. / Brayer, G.D. / Mauk, A.G. | ||||||
Citation | Journal: Proc.Natl.Acad.Sci.USA / Year: 2003 Title: Introduction and characterization of a functionally linked metal ion binding site at the exposed heme edge of myoglobin Authors: Hunter, C.L. / Maurus, R. / Mauk, M.R. / Lee, H. / Raven, E.L. / Tong, H. / Nguyen, N. / Smith, M. / Brayer, G.D. / Mauk, A.G. | ||||||
History |
|
-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
---|
-Downloads & links
-Download
PDBx/mmCIF format | 1nz2.cif.gz | 45.4 KB | Display | PDBx/mmCIF format |
---|---|---|---|---|
PDB format | pdb1nz2.ent.gz | 31 KB | Display | PDB format |
PDBx/mmJSON format | 1nz2.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Summary document | 1nz2_validation.pdf.gz | 480.8 KB | Display | wwPDB validaton report |
---|---|---|---|---|
Full document | 1nz2_full_validation.pdf.gz | 487.3 KB | Display | |
Data in XML | 1nz2_validation.xml.gz | 6 KB | Display | |
Data in CIF | 1nz2_validation.cif.gz | 8.3 KB | Display | |
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/nz/1nz2 ftp://data.pdbj.org/pub/pdb/validation_reports/nz/1nz2 | HTTPS FTP |
-Related structure data
Related structure data | 1nz3C 1nz4C 1nz5C 1wlaS S: Starting model for refinement C: citing same article (ref.) |
---|---|
Similar structure data |
-Links
-Assembly
Deposited unit |
| ||||||||
---|---|---|---|---|---|---|---|---|---|
1 |
| ||||||||
Unit cell |
|
-Components
#1: Protein | Mass: 16983.447 Da / Num. of mol.: 1 / Mutation: K45E Source method: isolated from a genetically manipulated source Source: (gene. exp.) Equus caballus (horse) / Gene: MB / Production host: Escherichia coli (E. coli) / References: UniProt: P68082 |
---|---|
#2: Chemical | ChemComp-SO4 / |
#3: Chemical | ChemComp-HEM / |
#4: Water | ChemComp-HOH / |
-Experimental details
-Experiment
Experiment | Method: X-RAY DIFFRACTION / Number of used crystals: 1 |
---|
-Sample preparation
Crystal | Density Matthews: 1.87 Å3/Da / Density % sol: 34.13 % | ||||||||||||||||||||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Crystal grow | Temperature: 298 K / Method: vapor diffusion, hanging drop / pH: 7.3 Details: Ammonium Sulfate, pH 7.3, VAPOR DIFFUSION, HANGING DROP, temperature 298K | ||||||||||||||||||||||||||||||||||||||||||||||||
Crystal grow | *PLUS Temperature: 25 ℃ | ||||||||||||||||||||||||||||||||||||||||||||||||
Components of the solutions | *PLUS
|
-Data collection
Diffraction | Mean temperature: 298 K |
---|---|
Diffraction source | Source: ROTATING ANODE / Type: RIGAKU RU300 / Wavelength: 1.5418 Å |
Detector | Type: RIGAKU RAXIS IIC / Detector: IMAGE PLATE |
Radiation | Monochromator: Mirrors / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1.5418 Å / Relative weight: 1 |
Reflection | Resolution: 1.7→10 Å / Num. obs: 10978 / % possible obs: 77 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Rmerge(I) obs: 0.057 |
Reflection | *PLUS Lowest resolution: 10 Å / % possible obs: 77 % |
-Processing
Software |
| ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Refinement | Method to determine structure: MOLECULAR REPLACEMENT Starting model: PDB ENTRY 1WLA Resolution: 1.9→10 Å / σ(F): 0 / σ(I): 0 /
| ||||||||||||||||||
Refinement step | Cycle: LAST / Resolution: 1.9→10 Å
| ||||||||||||||||||
Refinement | *PLUS Highest resolution: 1.7 Å / Lowest resolution: 10 Å / Rfactor Rwork: 0.165 | ||||||||||||||||||
Solvent computation | *PLUS | ||||||||||||||||||
Displacement parameters | *PLUS | ||||||||||||||||||
Refine LS restraints | *PLUS
|