X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 8
Temperature 298.0
Details 10% PEG 8000, 0.1 M imidazole, 0.2 M calcium acetate, pH 8.0, VAPOR DIFFUSION, SITTING DROP, temperature 298K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 71.82 α = 90
b = 75.89 β = 90
c = 114.84 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH -- 2000-03-01
Diffraction Radiation
Monochromator Protocol
Si 111 SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 17-ID 1.0 APS 17-ID

Data Collection

Overall
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
2.55 99 88.0 0.58 0.58 -- 9.8 19740 17372 2.0 2.0 --
High Resolution Shell
Resolution (High) Resolution (Low) Percent Possible (All) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All)
2.55 2.59 65.0 0.94 0.94 9.9 -- 631

Refinement

Statistics
Structure Solution Method Refinement High Resolution Refinement Low Resolution Cut-off Sigma (I) Cut-off Sigma (F) Number of Reflections (All) Number of Reflections (Observed) Number of Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) R-Factor (Observed) R-Work R-Free R-Free Selection Details
MOLECULAR REPLACEMENT 2.8 6.0 -- 2.0 16025 15561 1578 97.0 0.25 0.2461 0.2461 0.2979 RANDOM
High Resolution Shell
Refinement method Shell Resolution (High) Shell Resolution (Low) # of Reflections (Observed) # of Reflections (R-Free) # of Reflections (R-Work) R-Factor (R-Work) R-Factor (R-Free) R-Factor (R-Free Error) Percent Reflections (Observed)
X Ray Diffraction 2.8 2.83 14141 22 160 0.324 0.368 -- 95.0
Temperature Factor Modeling
Temperature Factor Value
Anisotropic B[1][1] -21.858
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 13.558
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 8.3
RMS Deviations
Key Refinement Restraint Deviation
c_bond_d 0.01
c_angle_deg 1.39
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3298
Nucleic Acid Atoms 0
Heterogen Atoms 104
Solvent Atoms 0

Software

Software
Software Name Purpose
MAR data collection
SCALEPACK data scaling
CNS refinement
MAR data reduction
CNS phasing