X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.5
Temperature 293.0
Details 15% polyethylene glycol 6000, 25mM MES, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K, pH 6.50

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 55.92 α = 90
b = 80.3 β = 116.29
c = 57.8 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 ADSC QUANTUM 4 -- 2001-10-05
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X4A -- NSLS X4A

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 20 -- 0.058 0.058 -- -- -- 20625 0.0 0.0 17.6
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 -- 85.5 0.096 0.096 1882.0 -- --

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
MOLECULAR REPLACEMENT 2.2 11.94 -- 0.0 -- 20019 1019 86.2 -- 0.19 0.19 0.252 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 -- 139 3261 0.189 0.289 0.025 88.2
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 23.2
Anisotropic B[1][1] 2.68
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -2.65
Anisotropic B[2][2] -3.73
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 1.05
RMS Deviations
Key Refinement Restraint Deviation
c_bond_d 0.008
c_improper_angle_d 0.77
c_dihedral_angle_d 24.9
c_scbond_it 2.42
c_mcbond_it 1.38
c_scangle_it 3.54
c_angle_deg 1.3
c_mcangle_it 2.08
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.22
Luzzati Sigma A (Observed) -0.06
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.3
Luzzati Sigma A (R-Free Set) 0.15
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3138
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 356

Software

Software
Software Name Purpose
CNS refinement version: 1.1
DENZO data reduction
SCALEPACK data scaling
CNS phasing