X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 6.5
Temperature 293.2
Details 2-methyl-2,4-pentanediol, imidazole, magnesium chloride, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293.2K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 48.05 α = 90
b = 126.82 β = 90
c = 83.37 γ = 90
Symmetry
Space Group C 2 2 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH -- 1999-12-18
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SPRING-8 BEAMLINE BL41XU -- SPring-8 BL41XU

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
1.68 39.5 97.2 0.066 -- -- 10.3 28649 28649 0.0 -10000.0 17.1
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)
1.68 1.77 83.9 0.199 -- -- 3.2 3523

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
MIR 1.68 8.0 0.0 2.0 28127 27162 1358 93.1 0.207 0.203 0.201 0.235 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 19.1
RMS Deviations
Key Refinement Restraint Deviation
x_improper_angle_d 1.27
x_angle_deg 1.395
x_dihedral_angle_d 27.7
x_bond_d 0.009
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1481
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 197

Software

Software
Software Name Purpose
MLPHARE phasing
X-PLOR refinement version: 3.1
MOSFLM data reduction
CCP4 data scaling version: (SCALA)