X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 54.33 α = 90
b = 54.33 β = 90
c = 59.43 γ = 120
Symmetry
Space Group P 32

Diffraction

Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD CUSTOM-MADE -- 2000-06-17
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X25 1.1 NSLS X25

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
1.9 25.12 96.4 0.061 -- -- 4.34 -- 14765 0.0 2.0 19.6
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)
1.9 1.97 0.78 0.21 -- 3.53 -- 1203

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 1.91 25.12 0.0 0.0 -- 14494 500 94.6 -- -- 0.196 0.199 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 1.91 2.02 -- 76 1852 0.247 0.276 0.032 73.8
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 35.5
Anisotropic B[1][1] 0.76
Anisotropic B[1][2] 1.45
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.76
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -1.53
RMS Deviations
Key Refinement Restraint Deviation
c_angle_deg 1.2
c_scangle_it 3.94
c_mcangle_it 2.68
c_bond_d 0.006
c_dihedral_angle_d 24.4
c_scbond_it 2.5
c_improper_angle_d 0.72
c_mcbond_it 1.65
Coordinate Error
Parameter Value
Luzzati ESD (R-Free Set) 0.24
Luzzati Sigma A (R-Free Set) 0.21
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1398
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 195

Software

Software
Software Name Purpose
DENZO data reduction
SCALEPACK data scaling
CNS refinement
CNS phasing