X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 8.5
Temperature 100.0
Details pH 8.5, temperature 100K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 46 α = 90
b = 75.19 β = 90
c = 137.74 γ = 90
Symmetry
Space Group C 2 2 21

Diffraction

Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD -- -- 2001-03-30
Diffraction Radiation
Monochromator Protocol
-- MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
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
1.74 20 93.6 0.056 0.056 -- 3.9 -- 46896 -- 0.0 26.8
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)
1.74 1.77 99.6 0.365 0.365 4.4 -- --

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 1.74 20.0 -- 0.0 -- 46896 2376 93.6 -- -- 0.236 0.266 random 5%
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 1.74 1.8 4487 207 4487 0.323 0.369 -- 99.3
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model atomic
Mean Isotropic B 35.7
Anisotropic B[1][1] -2.023
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.319
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 1.703
RMS Deviations
Key Refinement Restraint Deviation
c_scangle_it 7.542
c_scbond_it 5.349
c_mcangle_it 5.818
c_mcbond_it 4.036
c_improper_angle_d 0.69
c_dihedral_angle_d 23.01
c_angle_deg 1.16
c_bond_d 0.0048
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.25
Luzzati Sigma A (Observed) 0.19
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.29
Luzzati Sigma A (R-Free Set) 0.24
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1895
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 133

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
SOLVE, SHARP Structure Solution
CNS 1.0 Structure Refinement
Software
Software Name Purpose
CNS version: 1.0 refinement
SHARP model building
SOLVE model building
SCALEPACK data reduction
DENZO data collection