1ITW
Crystal structure of the monomeric isocitrate dehydrogenase in complex with isocitrate and Mn
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 7 | 293 | HEPES, PEG6000, glycerol, manganese chloride, DL-isocitrate, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.6 | 52.2 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 110.4051 | α = 90 |
b = 119.0229 | β = 99.0058 |
c = 128.217 | γ = 90 |
Symmetry | |
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Space Group | P 1 21 1 |
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 | MARRESEARCH | 2001-09-20 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SPRING-8 BEAMLINE BL41XU | 0.9000 | SPring-8 | BL41XU |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (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 | 1.95 | 20 | 98.9 | 0.083 | 0.071 | 8.6 | 3.6 | 237767 | 235314 | 3 | 24.474 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
1.95 | 2.06 | 96.7 | 0.388 | 0.327 | 2 | 3.2 | 33505 |
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-Work (Depositor) | R-Free (Depositor) | R-Free Selection Details | Mean Isotropic B | |||||||
X-RAY DIFFRACTION | MAD, Molecular Replacement method | THROUGHOUT | 1.95 | 10 | 233612 | 235314 | 23269 | 98.9 | 0.193 | 0.228 | RANDOM | 23.5096 |
Temperature Factor Modeling | ||||||
---|---|---|---|---|---|---|
Anisotropic B[1][1] | Anisotropic B[1][3] | Anisotropic B[2][2] | Anisotropic B[3][3] | |||
-3.913 | -1.92 | 3.002 | 0.911 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
c_dihedral_angle_d | 21.65165 |
c_scangle_it | 2.79 |
c_scbond_it | 1.96 |
c_mcangle_it | 1.68 |
c_angle_deg | 1.22762 |
c_mcbond_it | 1.16 |
c_improper_angle_d | 0.82829 |
c_bond_d | 0.00494 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 22586 |
Nucleic Acid Atoms | |
Solvent Atoms | 2306 |
Heterogen Atoms | 57 |
Software
Software | |
---|---|
Software Name | Purpose |
MOSFLM | data reduction |
SCALA | data scaling |
SHARP | phasing |
SHELXS | phasing |
AMoRE | phasing |
DM | model building |
DMMulti | model building |
CNS | refinement |
CCP4 | data scaling |
DM | phasing |
DMMulti | phasing |