X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Evaporation
pH 7.5
Temperature 277.0
Details PEG, monomethyl ether 550, Tris-HCl, NG, pH 7.5, EVAPORATION, temperature 277K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 93.33 α = 90
b = 93.33 β = 90
c = 180.49 γ = 90
Symmetry
Space Group I 4 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 110
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC -- --
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X25 -- NSLS X25
SYNCHROTRON ALS BEAMLINE 5.0.2 -- ALS 5.0.2

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
2.2 15 95.2 0.062 -- -- 15.8 20605 19626 -- 0.0 42.7
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)
2.2 2.34 94.6 0.58 -- -- -- 2450

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
-- 2.2 15.0 -- 2.0 20605 18169 1235 88.2 -- -- 0.266 0.308 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 2.2 2.34 -- 160 2288 0.36 0.393 0.031 72.3
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 53.2
Anisotropic B[1][1] -2.98
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -2.98
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 5.96
RMS Deviations
Key Refinement Restraint Deviation
c_improper_angle_d 0.94
c_dihedral_angle_d 19.4
c_angle_deg 1.25
c_bond_d 0.006
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.36
Luzzati Sigma A (Observed) 0.39
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.45
Luzzati Sigma A (R-Free Set) 0.48
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1852
Nucleic Acid Atoms 0
Heterogen Atoms 63
Solvent Atoms 114

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
SOLVE Structure Solution
CNS 0.5 Structure Refinement
Software
Software Name Purpose
CNS version: 0.5 refinement
SOLVE model building