X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion
pH 6.5
Temperature 298.0
Details 100 mM MES, 200 mM Calcium Acetate, 20% PEG 8000, 1 mM DTT , pH 6.5, vapor diffusion, temperature 298K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 45.41 α = 90
b = 56.92 β = 90
c = 84.35 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 110
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH OSMIC 1999-05-10
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
Rotating anode OTHER -- -- --

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
1.86 20 98.48 0.046 -- -- 5.7 19046 18875 0.0 0.0 20.23
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)
1.86 1.91 89.7 0.196 -- 7.5 4.0 --

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
-- 1.86 15.0 0.0 0.0 18948 18775 1847 98.0 0.2103 0.2103 0.2072 0.2354 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 1.86 1.93 -- 160 1536 0.243 0.306 -- 89.7
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model ATOMIC
Mean Isotropic B 20.97
Anisotropic B[1][1] -7.521
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 3.992
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 3.529
RMS Deviations
Key Refinement Restraint Deviation
c_improper_angle_d 0.77
c_dihedral_angle_d 25.3
c_angle_deg 1.166
c_bond_d 0.0042
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.21
Luzzati Sigma A (Observed) 0.1
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.25
Luzzati Sigma A (R-Free Set) 0.17
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1622
Nucleic Acid Atoms 0
Heterogen Atoms 2
Solvent Atoms 147

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
CCP4, SOLVE, SHARP Structure Solution
CNS 0.5 Structure Refinement
Software
Software Name Purpose
CNS version: 0.5 refinement
SHARP model building
SOLVE model building
CCP4 model building