X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Microbatch
pH 7.5
Temperature 297.0
Details Sodium formate, pH 7.5, Microbatch, temperature 297K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 103.31 α = 90
b = 80.91 β = 106.08
c = 96.33 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 110
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MACSCIENCE DIP100 -- 2000-10-27
Diffraction Radiation
Monochromator Protocol
graphite SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU 1.54 -- --

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
2.7 30 93.2 -- -- -- -- 21098 19658 0.0 -3.0 57.7

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
MOLECULAR REPLACEMENT 2.7 29.22 -- 0.0 21098 19658 1924 93.2 -- -- 0.212 0.265 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 2.7 2.87 -- 302 2784 0.314 0.384 0.022 87.7
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 40.5
Anisotropic B[1][1] 7.92
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -0.1
Anisotropic B[2][2] 2.31
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -10.23
RMS Deviations
Key Refinement Restraint Deviation
c_improper_angle_d 0.89
c_bond_d 0.008
c_angle_deg 1.5
c_dihedral_angle_d 24.0
Coordinate Error
Parameter Value
Luzzati ESD (R-Free Set) 0.42
Luzzati Sigma A (R-Free Set) 0.53
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4828
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 78

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
CNS Structure Solution
CNS 1.0 Structure Refinement
Software
Software Name Purpose
CNS version: 1.0 refinement
CNS model building