1O13
Crystal structure of a putative dinitrogenase iron-molybdenum cofactor (tm1816) from thermotoga maritima at 1.83 A resolution
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | 4.2 | 293 | 0.1M phosphate-citrate 40%(v/v) PEG-600, pH 4.2, VAPOR DIFFUSION,SITTING DROP,NANODROP, temperature 293K, pH 4.20 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.2 | 43.55 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 32.57 | α = 90 |
b = 39.84 | β = 90 |
c = 85.77 | γ = 90 |
Symmetry | |
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Space Group | P 21 21 21 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 100 | CCD | ADSC QUANTUM 315 | 2002-07-05 | M | MAD |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SSRL BEAMLINE BL9-2 | 0.97903, 0.91837, 0.97874 | SSRL | BL9-2 |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Sym 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 | 1.83 | 42.871 | 100 | 0.089 | 22.3 | 14.9 | 10393 | 24.76 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
1.83 | 1.88 | 100 | 0.945 | 2.3 | 7.4 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||||
X-RAY DIFFRACTION | MAD | THROUGHOUT | 1.83 | 42.87 | 10351 | 10351 | 498 | 99.9 | 0.207 | 0.207 | 0.241 | RANDOM | 26.9 |
Temperature Factor Modeling | ||||||
---|---|---|---|---|---|---|
Anisotropic B[1][1] | Anisotropic B[1][2] | Anisotropic B[1][3] | Anisotropic B[2][2] | Anisotropic B[2][3] | Anisotropic B[3][3] | |
-6.928 | -2.383 | 9.312 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
c_scangle_it | 2.914 |
c_mcangle_it | 2.102 |
c_scbond_it | 2.055 |
c_angle_deg | 1.56 |
c_mcbond_it | 1.454 |
c_bond_d | 0.01 |
c_bond_d_na | |
c_bond_d_prot | |
c_angle_d | |
c_angle_d_na |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 808 |
Nucleic Acid Atoms | |
Solvent Atoms | 96 |
Heterogen Atoms |
Software
Software | |
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Software Name | Purpose |
MOSFLM | data reduction |
SCALA | data scaling |
RESOLVE | model building |
SOLVE | phasing |
CNS | refinement |
CCP4 | data scaling |
RESOLVE | phasing |