X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Microbatch
pH 7.5
Temperature 295.0
Details PEG 400, magnesium chloride, HEPES-Na, pH 7.5, MICROBATCH, temperature 295K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 57.88 α = 90
b = 57.88 β = 90
c = 139.61 γ = 90
Symmetry
Space Group P 43 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS V -- 2001-10-12
Diffraction Radiation
Monochromator Protocol
UNDULATOR MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SPRING-8 BEAMLINE BL45PX 0.97950, 0.97945, 1.02000 SPring-8 BL45PX

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
1.7 30 100.0 0.072 0.07 -- 14.0 26981 26981 0.0 0.0 16.5
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)
1.7 1.79 100.0 0.182 0.176 4.2 14.2 3841

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
MAD 1.7 30.0 -- 0.0 26981 26981 1349 100.0 0.182 0.182 0.181 0.193 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 1.7 1.76 2624 129 -- 0.202 0.198 0.017 100.0
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model Anisotropic
Mean Isotropic B 18.0
Anisotropic B[1][1] -0.09
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -0.09
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.18
RMS Deviations
Key Refinement Restraint Deviation
c_angle_deg 1.1
c_bond_d 0.004
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.17
Luzzati Sigma A (Observed) 0.06
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.19
Luzzati Sigma A (R-Free Set) 0.09
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1733
Nucleic Acid Atoms 0
Heterogen Atoms 2
Solvent Atoms 200

Software

Software
Software Name Purpose
MOSFLM data reduction
SCALA data scaling
MLPHARE phasing
CNS refinement
CCP4 data scaling version: (SCALA)