X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.05
Details pH 6.05

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 116 α = 90
b = 116 β = 90
c = 44.13 γ = 120
Symmetry
Space Group P 6

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 80
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM BENT MIRROR 1998-03
Diffraction Radiation
Monochromator Protocol
SI(111) --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SSRL BEAMLINE BL1-5 -- SSRL BL1-5

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
1.9 500 96.5 0.053 0.053 -- 6.7 -- 50548 -- 3.0 20.7
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)
1.9 1.97 97.5 0.334 0.334 4.8 5.0 --

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 1.9 500.0 -- 0.0 -- 50548 4947 96.4 -- 0.224 0.224 0.244 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 1.9 1.97 -- 451 4169 0.287 0.335 0.016 88.1
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 35.5
Anisotropic B[1][1] -8.49
Anisotropic B[1][2] -3.54
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -8.49
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 16.99
RMS Deviations
Key Refinement Restraint Deviation
c_mcangle_it 2.39
c_dihedral_angle_d 20.7
c_improper_angle_d 0.76
c_scangle_it 4.19
c_bond_d 0.007
c_mcbond_it 1.68
c_angle_deg 1.2
c_scbond_it 2.97
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.24
Luzzati Sigma A (Observed) 0.21
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.27
Luzzati Sigma A (R-Free Set) 0.26
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1942
Nucleic Acid Atoms 0
Heterogen Atoms 32
Solvent Atoms 122

Software

Software
Software Name Purpose
CNS refinement version: 0.4
DENZO data reduction
SCALEPACK data scaling
CNS phasing version: 0.4