X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 8.7
Details PEG8000, 2-METHYL-2,4- PENTADIOL, AMMONIUM ACETATE, TRIS, pH 8.70

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 50.54 α = 90
b = 74.07 β = 93.76
c = 58.99 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC CCD -- 2000-11-15
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X8C -- NSLS X8C

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
1.8 33.18 99.9 0.04 -- -- 3.75 -- 40172 -- 0.0 6.5
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)
1.8 1.86 100.0 0.085 -- 9.2 -- --

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 1.8 33.18 -- 0.0 -- 40151 2010 99.6 -- 0.142 0.142 0.183 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 1.8 1.91 -- 302 6279 0.138 0.18 0.01 98.6
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 12.8
Anisotropic B[1][1] -0.68
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -1.01
Anisotropic B[2][2] 0.21
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.47
RMS Deviations
Key Refinement Restraint Deviation
c_bond_d 0.01
c_dihedral_angle_d 25.6
c_improper_angle_d 0.96
c_angle_deg 1.7
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.14
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.18
Luzzati Sigma A (R-Free Set) 0.04
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3784
Nucleic Acid Atoms 0
Heterogen Atoms 135
Solvent Atoms 806

Software

Software
Software Name Purpose
CNS refinement version: 1.0
DENZO data reduction
SCALEPACK data scaling
CNS phasing