1NI6
Comparisions of the Heme-Free and-Bound Crystal Structures of Human Heme Oxygenase-1
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
---|---|---|---|
Type | Source | Accession Code | Details |
experimental model | PDB | 1QQ8 |
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 7.5 | 301 | ammonium sulphate, 1,6 hexane diol, HEPES, water, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 301K |
Crystal Properties | |
---|---|
Matthews coefficient | Solvent content |
2.18 | 43.46 |
Crystal Data
Unit Cell | |
---|---|
Length ( Å ) | Angle ( ˚ ) |
a = 76.211 | α = 90 |
b = 55.507 | β = 98.88 |
c = 108.001 | γ = 90 |
Symmetry | |
---|---|
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 | 119 | IMAGE PLATE | RIGAKU RAXIS IV | mirrors | 2001-08-17 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | RIGAKU | 1.5418 |
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 | 2.1 | 50 | 94 | 0.068 | 0.049 | 20.6 | 9.5 | 52492 | 49421 | 2 |
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) | ||||||||||
2.1 | 2.14 | 87.4 | 0.559 | 0.49 | 2.02 | 4.67 | 2309 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | R-Free | R-Free Selection Details | Mean Isotropic B | |||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | 1QQ8 | 2.1 | 50 | 49333 | 3159 | 93.9 | 0.2168 | 0.2671 | random | 46.2 |
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] | |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
c_scangle_it | 2.438 |
c_mcangle_it | 1.683 |
c_scbond_it | 1.645 |
c_angle_d | 1.13241 |
c_mcbond_it | 1.042 |
c_bond_d | 0.006106 |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 7055 |
Nucleic Acid Atoms | |
Solvent Atoms | 450 |
Heterogen Atoms | 24 |
Software
Software | |
---|---|
Software Name | Purpose |
HKL-2000 | data collection |
SCALEPACK | data scaling |
MOLREP | phasing |
CNS | refinement |
HKL-2000 | data reduction |