1A7W
CRYSTAL STRUCTURE OF THE HISTONE HMFB FROM METHANOTHERMUS FERVIDUS
X-RAY DIFFRACTION
Crystallization
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.5 | 51 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 31.3 | α = 90 |
b = 61.58 | β = 90 |
c = 39.65 | γ = 90 |
Symmetry | |
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Space Group | P 21 21 2 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 293 | IMAGE PLATE | MAR scanner 300 mm plate | SUPPER NI-COATED MIRROR SYSTEM | 1995-02-21 | M |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | RIGAKU RUH2R |
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 | 1.9 | 39.1 | 95.9 | 0.053 | 0.053 | 8.3 | 4.1 | 6152 | 22.87 |
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 | 1.9 | 1.97 | 97.2 | 0.196 | 0.196 | 3.7 | 3.4 |
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-Factor (Observed) | R-Work (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | R-Free Selection Details | Mean Isotropic B | ||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | AFTER RIGID BODY REFINEMENT | PARTIALLY REFINED ORTHORHOMBIC HMFA | 1.55 | 18 | 10797 | 520 | 97.4 | 0.2 | 0.198 | 0.18 | 0.248 | 0.19 | RANDOM | 25.34 |
Temperature Factor Modeling | ||||||
---|---|---|---|---|---|---|
Anisotropic B[1][1] | Anisotropic B[1][2] | Anisotropic B[2][3] | ||||
1.398 | 1.398 | -2.69 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
p_staggered_tor | 17.7 |
p_scangle_it | 5.241 |
p_transverse_tor | 4.5 |
p_planar_tor | 3.9 |
p_scbond_it | 3.426 |
p_mcangle_it | 2.676 |
p_mcbond_it | 1.932 |
p_multtor_nbd | 0.3 |
p_xhyhbond_nbd | 0.3 |
p_xyhbond_nbd | 0.3 |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 527 |
Nucleic Acid Atoms | |
Solvent Atoms | 46 |
Heterogen Atoms | 2 |
Software
Software | |
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Software Name | Purpose |
AMoRE | phasing |
REFMAC | refinement |
DENZO | data reduction |
CCP4 | data scaling |
SCALA | data scaling |