X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion
pH 8
Temperature 295.0
Details PEG 3350, Calcium chloride, Tris, Dioxane, Sodium azide, pH 8.0, VAPOR DIFFUSION, temperature 295K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 53.7 α = 90
b = 59.1 β = 90
c = 97.3 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- 1999-10-23
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X26C 1.087 NSLS X26C

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
1.6 100 99.4 -- 0.059 -- 31.6 41785 41785 -- -- --
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 -- -- 0.147 -- -- --

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
MIR 1.6 100.0 -- 0.0 40453 40453 2028 99.4 -- -- 0.194 0.22 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 1.66 3642 154 -- 0.232 0.276 -- --
X Ray Diffraction 2.17 2.39 4107 230 -- 0.232 0.276 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 27.7
Anisotropic B[1][1] -8.634
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 10.123
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -1.489
RMS Deviations
Key Refinement Restraint Deviation
c_bond_d 0.01
c_dihedral_angle_d 19.745
c_improper_angle_d 1.039
c_angle_deg 1.408
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.18
Luzzati Sigma A (Observed) 0.09
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.21
Luzzati Sigma A (R-Free Set) 0.13
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2225
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 312

Software

Software
Software Name Purpose
HKL data collection
HKL data reduction
DM model building
SOLVE phasing
MLPHARE phasing
CNS refinement
ARP model building
HKL data scaling
DM phasing