X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 4.6
Temperature 293.0
Details 0.14 M CaCl2; 14 % isoprop; 0.07 M Acetate pH 4.6, 30 % Glycerol, VAPOR DIFFUSION, SITTING DROP, NANODROP, temperature 293K, pH 4.60

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 105.28 α = 90
b = 105.28 β = 90
c = 105.28 γ = 90
Symmetry
Space Group P 43 3 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 315 -- 2002-02-27
Diffraction Radiation
Monochromator Protocol
DOUBLE CRYSTAL MONOCHROMATOR MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SSRL BEAMLINE BL9-2 0.925223, 0.978645, 0.979029 SSRL BL9-2

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
2 35.18 99.3 -- 0.071 -- 5.1 -- 13851 -- -- 32.5
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)
2.0 2.11 98.4 -- 0.277 4.9 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
MAD 2.0 35.09 -- 2.0 13890 13430 674 99.0 -- 0.212 0.212 0.271 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 2.0 2.05 -- 40 930 0.2102 0.2482 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 24.3
Anisotropic B[1][1] 0.0
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.0
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.0
RMS Deviations
Key Refinement Restraint Deviation
c_bond_d 0.011
c_mcbond_it 1.413
c_scangle_it 3.827
c_scbond_it 2.682
c_mcangle_it 2.005
c_angle_deg 1.54
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.93
Luzzati ESD (R-Free Set) 6.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1065
Nucleic Acid Atoms 0
Heterogen Atoms 1
Solvent Atoms 118

Software

Software
Software Name Purpose
MOSFLM data reduction
SCALA data scaling
CCP4 data reduction
CCP4/SOLVE/RESOLVE model building
CNS refinement version: 1.0
CCP4 data scaling version: (SCALA)
CCP4 phasing
SOLVE phasing
RESOLVE phasing