X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion
pH 4.5
Details 30 % PEG 1500, PH 4.5 FOR ACETATE BUFFER METHOD: HANGING DROP VAPOUR DIFFUSION, vapor diffusion

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 48.49 α = 90
b = 95.48 β = 90
c = 40.52 γ = 90
Symmetry
Space Group P 21 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 120
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS IIC FOCUSING MIRRORS 1997-02-17
Diffraction Radiation
Monochromator Protocol
-- --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU FR-C -- -- --

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
1.75 15 95.6 0.047 -- -- 6.98 -- 18747 -- -- 18.51
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)
1.75 1.78 68.5 0.245 -- 5.96 3.21 --

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
MULTIPLE ISOMORPHOUS REPLACEMENT 1.75 15.0 -- -- -- 17769 978 95.6 -- -- 0.187 0.24 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 20.4
RMS Deviations
Key Refinement Restraint Deviation
p_orthonormal_tor 27.8
p_staggered_tor 14.7
p_planar_tor 4.5
p_xyhbond_nbd 0.177
p_multtor_nbd 0.242
p_bond_d 0.012
p_angle_d 0.03
p_planar_d 0.034
p_mcbond_it 2.157
p_mcangle_it 2.927
p_scbond_it 3.384
p_scangle_it 4.227
p_chiral_restr 0.139
p_singtor_nbd 0.172
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1663
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 200

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
MLPHARE Structure Solution
REFMAC Structure Refinement
Software
Software Name Purpose
REFMAC refinement
MLPHARE model building
SCALEPACK data reduction
DENZO data collection