2IKI
Human aldose reductase complexed with halogenated IDD-type inhibitor
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1EL3 | PDB ENTRY 1EL3 |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 5 | 293 | 20% PEG 6000, 120mM ammonium citrate, pH 5.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.16 | 43 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 49.361 | α = 90 |
b = 66.802 | β = 92.37 |
c = 47.318 | γ = 90 |
Symmetry | |
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Space Group | P 1 21 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 | IMAGE PLATE | RIGAKU RAXIS IV | mirrors | 2005-09-04 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | RIGAKU RU300 | 1.5418 |
Data Collection
Overall | |||||||||||||||||||
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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 | 1.47 | 25 | 89.8 | 0.034 | 0.034 | 31.8 | 3 | 46959 | 46959 |
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) | ||||||||||
1.47 | 1.5 | 44 | 0.13 | 0.13 | 6 | 1.8 | 1154 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (All) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | FREE R | PDB ENTRY 1EL3 | 1.47 | 25 | 46658 | 46658 | 2324 | 89.8 | 0.149 | 0.149 | 0.148 | 0.183 | RANDOM |
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] | |
Coordinate Error | ||
---|---|---|
Structure Solution Method | Refinement High Resolution | Refinement Low Resolution |
6 | 2498 | 2962 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
s_angle_d | 2.5 |
s_non_zero_chiral_vol | 0.075 |
s_zero_chiral_vol | 0.071 |
s_similar_adp_cmpnt | 0.053 |
s_anti_bump_dis_restr | 0.038 |
s_from_restr_planes | 0.0279 |
s_bond_d | 0.011 |
s_similar_dist | |
s_rigid_bond_adp_cmpnt | |
s_approx_iso_adps |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2497 |
Nucleic Acid Atoms | |
Solvent Atoms | 407 |
Heterogen Atoms | 72 |
Software
Software | |
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Software Name | Purpose |
SHELX | model building |
SHELXL-97 | refinement |
CrystalClear | data collection |
HKL-2000 | data reduction |
HKL-2000 | data scaling |
CNS | phasing |