X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.1
Temperature 298.0
Details 0.1M MES, 0.1M Na acetate, pH 6.1, temperature 298.0K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 82.54 α = 90
b = 104.2 β = 96.55
c = 123.22 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 200
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 315r MIRROR 2010-01-01
Diffraction Radiation
Monochromator Protocol
RH COATED FLAT MIRROR SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SSRL BEAMLINE BL7-1 -- SSRL BL7-1

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
2.95 100 96.1 -- 0.06 -- 6.2 -- 41946 -- 2.0 35.6
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)
2.95 3.06 96.5 -- 0.4 3.2 4.1 --

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 2.95 19.99 -- 0.0 41946 41779 843 95.6 -- 0.239 0.239 0.285 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 2.95 3.13 -- 125 6596 0.362 0.431 0.039 93.2
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 74.5
Anisotropic B[1][1] 5.31
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -8.29
Anisotropic B[2][2] 12.41
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -17.72
RMS Deviations
Key Refinement Restraint Deviation
c_improper_angle_d 1.38
c_bond_d 0.009
c_angle_deg 1.7
c_dihedral_angle_d 25.6
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.43
Luzzati Sigma A (Observed) 0.58
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.52
Luzzati Sigma A (R-Free Set) 0.71
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 12576
Nucleic Acid Atoms 1944
Heterogen Atoms 8
Solvent Atoms 188

Software

Computing
Computing Package Purpose
HKL-2000 Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
PHASER Structure Solution
CNS 1.3 Structure Refinement
Software
Software Name Purpose
CNS version: 1.3 refinement
phaser model building
HKL-2000 data collection