X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Batch Method
pH 7
Temperature 298.0
Details DEIONIZED PEG 3350 12.5%, pH 7.0, BATCH METHOD, temperature 298K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 97.34 α = 90
b = 99.35 β = 90
c = 66.12 γ = 90
Symmetry
Space Group P 21 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 299
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 1998-08-26
Diffraction Radiation
Monochromator Protocol
SILICON CRYSTAL WITH ASYMMETRIC CUT. ASYMMETRIC ANGLE: 7.25 DEGREES, CONDENSATE MODE SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON LNLS BEAMLINE D03B-MX1 1.38 LNLS D03B-MX1

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
1.87 69.01 95.6 -- 0.062 -- -- 51413 51030 2.0 2.8 --
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)
1.87 1.91 92.6 -- 0.348 -- -- 3240

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 1.87 10.0 -- 2.0 51413 51030 5124 -- -- -- 0.198 0.25 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 1.87 1.91 51030 5124 -- 0.198 0.25 -- --
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model overall temperature factors
Mean Isotropic B 23.062
RMS Deviations
Key Refinement Restraint Deviation
x_improper_angle_d 1.648
x_dihedral_angle_d 20.722
x_angle_deg 1.613
x_bond_d 0.011
Coordinate Error
Parameter Value
Luzzati Sigma A (Observed) 0.28
Luzzati Resolution Cutoff (Low) 5.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4384
Nucleic Acid Atoms 0
Heterogen Atoms 172
Solvent Atoms 161

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
AMORE Structure Solution
X-PLOR 3.851, REFMAC, XTALVIEW Structure Refinement
Software
Software Name Purpose
XTALVIEW refinement
REFMAC refinement
X-PLOR version: 3.851 refinement
AMoRE model building
SCALEPACK data reduction
DENZO data collection