X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7.5
Temperature 298.0
Details PEG400, AMMONIUM SULFATE, HEPES, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 124.94 α = 90
b = 124.94 β = 90
c = 246.96 γ = 120
Symmetry
Space Group P 64 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS -- 2000-03-03
Diffraction Radiation
Monochromator Protocol
-- MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SPRING-8 BEAMLINE BL45PX 0.9793, 0.9795, 1.0400 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
-- -- -- -- -- -- -- -- 27918 -- -- 39.7

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 2.8 17.88 -- 0.0 26666 26666 1308 92.8 0.224 0.224 0.221 0.289 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 2.98 -- 202 3922 0.283 0.356 0.025 87.5
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model GROUP
Mean Isotropic B 56.3
Anisotropic B[1][1] 12.24
Anisotropic B[1][2] 13.11
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 12.24
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -24.48
RMS Deviations
Key Refinement Restraint Deviation
c_bond_d 0.007
c_improper_angle_d 0.93
c_dihedral_angle_d 24.5
c_angle_deg 1.4
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.34
Luzzati Sigma A (Observed) 0.4
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.44
Luzzati Sigma A (R-Free Set) 0.48
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 5274
Nucleic Acid Atoms 0
Heterogen Atoms 18
Solvent Atoms 68

Software

Software
Software Name Purpose
DENZO data reduction
SCALEPACK data scaling
SOLVE phasing
CNS refinement version: 1.0