X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7
Details pH 7.0

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 80.06 α = 90
b = 80.06 β = 90
c = 347.25 γ = 120
Symmetry
Space Group P 65 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 293
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH MIRRORS 1992-12
Diffraction Radiation
Monochromator Protocol
MONOCHROMATOR --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SRS BEAMLINE PX9.5 -- SRS PX9.5

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
3.25 20 92.0 0.11 0.11 -- 3.0 -- 10139 -- 1.0 39.0
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)
3.25 3.42 67.0 0.204 0.204 3.8 1.6 --

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 3.25 6.0 -- 3.0 -- 8437 462 90.9 -- 0.214 0.214 0.306 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 3.25 3.35 -- 32 604 0.321 0.337 0.059 68.6
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model GROUPED, UNRESTRAINED
Mean Isotropic B 54.8
RMS Deviations
Key Refinement Restraint Deviation
c_improper_angle_d 1.0
c_bond_d 0.014
c_dihedral_angle_d 25.2
c_angle_deg 2.23
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.39
Luzzati Sigma A (Observed) 0.54
Luzzati Resolution Cutoff (Low) 6.0
Luzzati ESD (R-Free Set) 0.59
Luzzati Sigma A (R-Free Set) 0.9
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3247
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 0

Software

Software
Software Name Purpose
MOSFLM data reduction
ROTAVATA data reduction
CNS refinement
CCP4 data scaling version: (ROTAVATA)
CNS phasing