1H1L
NITROGENASE MO-FE PROTEIN FROM KLEBSIELLA PNEUMONIAE, NIFV MUTANT
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1QGU | PDB ENTRY 1QGU |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | LIQUID DIFFUSION | 7.4 | CRYSTALLIZED ANAEROBICALLY USING LIQUID-LIQUID DIFFUSION TECHNIQUE. FINAL CONCENTRATIONS AFTER EQUILIBRATION WERE: 7% (W/V) PEG6000, 0.4 - 0.6 M MGCL2, 50 MM TRIS-HCL PH 7.4, 1.3 MG/ML PROTEIN. |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.31 | 46 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 204.06 | α = 90 |
b = 75.06 | β = 123.95 |
c = 164.26 | γ = 90 |
Symmetry | |
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Space Group | C 1 2 1 |
Diffraction
Diffraction Experiment | ||||||||||||||
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ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 100 | CCD | ADSC CCD | 1999-02-08 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ESRF BEAMLINE ID14-4 | ESRF | ID14-4 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Net I Over Average Sigma (I) | Redundancy | Number Reflections (All) | Number Reflections (Observed) | Observed Criterion Sigma (F) | Observed Criterion Sigma (I) | B (Isotropic) From Wilson Plot | ||||||||
1 | 1.9 | 40 | 94.2 | 0.094 | 15.5 | 3.9 | 154203 | -3 | 20.3 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
1 | 1.9 | 1.93 | 85.2 | 0.214 | 3.6 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Work (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | R-Free Selection Details | Mean Isotropic B | |||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | PDB ENTRY 1QGU | 1.9 | 40 | 154203 | 7646 | 94.2 | 0.176 | 0.16 | 0.236 | 0.22 | RANDOM | 24 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 15392 |
Nucleic Acid Atoms | |
Solvent Atoms | 1537 |
Heterogen Atoms | 96 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
DENZO | data reduction |
SCALEPACK | data scaling |
CCP4 | phasing |