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Yorodumi- PDB-1kmk: E. coli NifS/CsdB protein at 2.20A with the cysteine perselenide ... -
+Open data
-Basic information
Entry | Database: PDB / ID: 1kmk | ||||||
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Title | E. coli NifS/CsdB protein at 2.20A with the cysteine perselenide intermediate (residue CSZ). | ||||||
Components | SELENOCYSTEINE LYASE | ||||||
Keywords | LYASE / nifs selenocysteine cysteine persulfide perselenide xray / Structural Genomics / PSI / Protein Structure Initiative / New York SGX Research Center for Structural Genomics / NYSGXRC | ||||||
Function / homology | Function and homology information selenium compound metabolic process / Hydrolases; Acting on carbon-sulfur bonds; Acting on carbon-sulfur bonds / cysteine sulfinate desulfinase activity / selenocysteine lyase / selenocysteine lyase activity / sulfur compound metabolic process / cysteine desulfurase / cysteine desulfurase activity / cysteine metabolic process / iron-sulfur cluster assembly ...selenium compound metabolic process / Hydrolases; Acting on carbon-sulfur bonds; Acting on carbon-sulfur bonds / cysteine sulfinate desulfinase activity / selenocysteine lyase / selenocysteine lyase activity / sulfur compound metabolic process / cysteine desulfurase / cysteine desulfurase activity / cysteine metabolic process / iron-sulfur cluster assembly / pyridoxal phosphate binding / hydrolase activity / protein homodimerization activity / cytoplasm Similarity search - Function | ||||||
Biological species | Escherichia coli (E. coli) | ||||||
Method | X-RAY DIFFRACTION / SYNCHROTRON / starting model 1jf9 / Resolution: 2.2 Å | ||||||
Authors | Lima, C.D. / Burley, S.K. / New York SGX Research Center for Structural Genomics (NYSGXRC) | ||||||
Citation | Journal: J.Mol.Biol. / Year: 2002 Title: Analysis of the E. coli NifS CsdB protein at 2.0 A reveals the structural basis for perselenide and persulfide intermediate formation. Authors: Lima, C.D. | ||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 1kmk.cif.gz | 104.5 KB | Display | PDBx/mmCIF format |
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PDB format | pdb1kmk.ent.gz | 78.3 KB | Display | PDB format |
PDBx/mmJSON format | 1kmk.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Summary document | 1kmk_validation.pdf.gz | 463.5 KB | Display | wwPDB validaton report |
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Full document | 1kmk_full_validation.pdf.gz | 474.2 KB | Display | |
Data in XML | 1kmk_validation.xml.gz | 23.3 KB | Display | |
Data in CIF | 1kmk_validation.cif.gz | 35.3 KB | Display | |
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/km/1kmk ftp://data.pdbj.org/pub/pdb/validation_reports/km/1kmk | HTTPS FTP |
-Related structure data
Related structure data | 1jf9SC 1kmjC S: Starting model for refinement C: citing same article (ref.) |
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Similar structure data | |
Other databases |
-Links
-Assembly
Deposited unit |
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1 |
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Unit cell |
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-Components
#1: Protein | Mass: 44559.555 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Escherichia coli (E. coli) / Production host: Escherichia coli (E. coli) / References: UniProt: P77444, selenocysteine lyase |
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#2: Chemical | ChemComp-SEC / |
#3: Chemical | ChemComp-PLP / |
#4: Water | ChemComp-HOH / |
-Experimental details
-Experiment
Experiment | Method: X-RAY DIFFRACTION / Number of used crystals: 1 |
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-Sample preparation
Crystal grow | Temperature: 291 K / Method: vapor diffusion, hanging drop / pH: 7 Details: 4M NACL, pH 7, VAPOR DIFFUSION, HANGING DROP, temperature 291K | |||||||||||||||||||||||||||||||||||||||||||||||||
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Crystal grow | *PLUS pH: 8 | |||||||||||||||||||||||||||||||||||||||||||||||||
Components of the solutions | *PLUS
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-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: SYNCHROTRON / Site: NSLS / Beamline: X4A / Wavelength: 0.979 Å |
Detector | Type: ADSC QUANTUM 4 / Detector: CCD / Date: Oct 1, 2001 |
Radiation | Monochromator: SAGITALLY FOCUSED / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.979 Å / Relative weight: 1 |
Reflection | Resolution: 2.2→20 Å / Num. all: 49125 / Num. obs: 49125 / % possible obs: 87.9 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Rsym value: 0.055 / Net I/σ(I): 7.2 |
Reflection shell | Resolution: 2.2→2.28 Å / Mean I/σ(I) obs: 2.1 / Rsym value: 0.4 / % possible all: 67.3 |
Reflection | *PLUS Num. measured all: 1806159 / Rmerge(I) obs: 0.055 |
Reflection shell | *PLUS % possible obs: 67.3 % / Rmerge(I) obs: 0.4 |
-Processing
Software |
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Refinement | Method to determine structure: starting model 1jf9 Starting model: 1jf9 Resolution: 2.2→20 Å / Cross valid method: Rfree test / σ(F): 0 / σ(I): 0 / Stereochemistry target values: ENGH AND HUBER, 1991
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Refinement step | Cycle: LAST / Resolution: 2.2→20 Å
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Refine LS restraints |
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Refinement | *PLUS % reflection Rfree: 5 % / Rfactor obs: 0.196 | |||||||||||||||||||||||||
Solvent computation | *PLUS | |||||||||||||||||||||||||
Displacement parameters | *PLUS |