X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 6.3
Temperature 292.0
Details 0.2M TRI-POTASSIUM CITRATE, 20% PEG-3350, pH 6.30, VAPOR DIFFUSION, HANGING DROP, temperature 292.0K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 39.36 α = 90
b = 53.01 β = 90
c = 208.5 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 298
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS IIC FOCUSING MIRRORS 2001-12-06
Diffraction Radiation
Monochromator Protocol
NI FILTER + MIRRORS SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RU200H 1.5418 -- --

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
2.65 40 96.7 0.103 -- -- 4.88 12840 12840 0.0 0.0 35.1
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)
2.65 2.74 93.6 0.564 -- 2.7 4.12 --

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 2.65 34.25 -- 0.0 12381 12381 1256 92.6 -- -- 0.188 0.193 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 2.65 2.82 1859 157 1702 0.267 0.28 0.022 85.7
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 54.0
Anisotropic B[1][1] -2.1
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 10.77
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -8.67
RMS Deviations
Key Refinement Restraint Deviation
c_bond_d 0.01
c_angle_deg 1.3
c_mcbond_it 1.53
c_dihedral_angle_d 24.0
c_scangle_it 3.47
c_improper_angle_d 0.84
c_mcangle_it 2.7
c_scbond_it 2.19
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.28
Luzzati Sigma A (Observed) 0.34
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.28
Luzzati Sigma A (R-Free Set) 0.34
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2881
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 123

Software

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