X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.5
Details 0.1 M SODIUM CACODYLATE PH 6.5, 10% GLYCEROL, 15-17% PEG6000, 200MM CALCIUM ACETATE

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 55.87 α = 90
b = 90.07 β = 93.53
c = 124.12 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 MARRESEARCH MIRRORS 1998-07-15
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-2 -- ESRF ID14-2

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
1.6 20 97.7 -- 0.123 -- 4.8 -- 762046 -- -- 18.4
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)
1.6 1.66 96.1 -- 0.203 -- -- --

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
MAD 1.6 20.0 -- 0.0 -- 156297 7885 97.4 -- 0.207 0.207 0.223 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 1.6 1.7 -- 1300 24418 0.215 0.24 0.007 96.0
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 22.4
Anisotropic B[1][1] 1.71
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -0.35
Anisotropic B[2][2] -2.34
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.64
RMS Deviations
Key Refinement Restraint Deviation
c_bond_d 0.005
c_scbond_it 1.42
c_dihedral_angle_d 26.6
c_scangle_it 2.17
c_mcangle_it 1.28
c_improper_angle_d 0.68
c_mcbond_it 0.81
c_angle_deg 1.4
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.18
Luzzati Sigma A (Observed) 0.07
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.2
Luzzati Sigma A (R-Free Set) 0.08
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 6782
Nucleic Acid Atoms 0
Heterogen Atoms 50
Solvent Atoms 1110

Software

Software
Software Name Purpose
CNS refinement version: 0.9
DENZO data reduction
SCALEPACK data scaling
SHARP phasing