2HBS
THE HIGH RESOLUTION CRYSTAL STRUCTURE OF DEOXYHEMOGLOBIN S
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | 4 | HBS WAS SUSPENDED IN 30 MM PHOSPHATE BUFFER, PH 7.0, DEOXYGENATED AND CONCENTRATED TO 120 MG/ML. PROTEIN WAS CRYSTALLIZED IN AN ANAEROBIC CHAMBER IN TUBE CONTAINING 10 UL PROTEIN SOLUTION, 5 UL CITRATE BUFFER (PH 4.0), AND 4UL OF 33% PEG 8K, crystallized in anaerobic chamber |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.51 | 50.91 |
Crystal Data
Unit Cell | |
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Length ( ? ) | Angle ( ? ) |
a = 63.344 | ¦Á = 90 |
b = 185.681 | ¦Â = 92.74 |
c = 52.933 | ¦Ã = 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 | 295 | IMAGE PLATE | RIGAKU | COLLIMATOR | 1995-03-09 | M |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | RIGAKU RUH2R |
Data Collection
Overall | |||||||||||||||||||
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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 | 2.05 | 100 | 95 | 0.093 | 3.6 | 72955 | 2 | 16.1 |
Highest Resolution Shell | |||||||||||||||||||
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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 | 2.05 | 2.18 | 86.1 | 0.371 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | 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 | THROUGHOUT | 2.05 | 10 | 2 | 64050 | 6479 | 84.8 | 0.165 | 0.165 | 0.215 | RANDOM | 20.5 |
Temperature Factor Modeling | ||||||
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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 | |
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Key | Refinement Restraint Deviation |
x_dihedral_angle_d | 20.3 |
x_scangle_it | 5.39 |
x_scbond_it | 3.67 |
x_mcangle_it | 2.89 |
x_mcbond_it | 1.94 |
x_improper_angle_d | 1.52 |
x_angle_deg | 1.4 |
x_bond_d | 0.01 |
x_bond_d_na | |
x_bond_d_prot |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 8760 |
Nucleic Acid Atoms | |
Solvent Atoms | 573 |
Heterogen Atoms | 344 |
Software
Software | |
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Software Name | Purpose |
X-PLOR | model building |
X-PLOR | refinement |
DENZO | data reduction |
SCALEPACK | data scaling |
X-PLOR | phasing |