X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Microbatch
pH 5.9
Temperature 295.0
Details PEG, MES, pH 5.9, MICROBATCH, temperature 295K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 79.5 α = 90
b = 96.1 β = 90
c = 118.61 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
IMAGE PLATE RIGAKU RAXIS -- 2003-10-17
Diffraction Radiation
Monochromator Protocol
GRAPHITE MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SPRING-8 BEAMLINE BL26B1 2.0, 0.91971, 0.92001, 0.92540 SPring-8 BL26B1

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
1.5 30 97.3 0.049 -- -- 6.2 141103 141020 0.0 0.0 18.3
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)
1.5 1.55 96.8 -- -- -- -- --

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 1.5 28.5 -- 0.0 141103 141020 7136 97.3 -- 0.197 0.197 0.209 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 1.5 1.59 -- 1151 21560 0.232 0.247 0.007 94.8
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 18.6
Anisotropic B[1][1] 0.05
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 1.81
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -1.86
RMS Deviations
Key Refinement Restraint Deviation
c_dihedral_angle_d 23.9
c_bond_d 0.008
c_improper_angle_d 0.85
c_angle_deg 1.4
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.17
Luzzati Sigma A (Observed) 0.11
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.18
Luzzati Sigma A (R-Free Set) 0.12
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 6488
Nucleic Acid Atoms 0
Heterogen Atoms 19
Solvent Atoms 547

Software

Software
Software Name Purpose
CNS refinement version: 1.1
HKL-2000 data reduction
SCALEPACK data scaling
SOLVE phasing