X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 8.5
Details CRYSTALLIZED IN 0.1M TRIS-HCL PH8.5, 2.0M MONO-AMMONIUM DIHYDROGEN PHOSPHATE, AT 290K., pH 8.50

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 32.02 α = 90
b = 32.02 β = 90
c = 133.84 γ = 90
Symmetry
Space Group P 41 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH MIRRORS 1999-06-15
Diffraction Radiation
Monochromator Protocol
NI FILTER SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RUH3R -- -- --

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
2.54 26 94.9 0.073 0.067 -- 6.8 -- 2510 -- 2.0 59.4
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)
2.54 2.71 97.8 0.408 0.377 2.0 6.8 --

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 2.54 26.0 -- 0.0 -- 2510 269 94.9 -- 0.275 0.275 0.346 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 2.54 2.63 -- 32 207 0.351 0.483 -- 96.4
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model UNRESTRAINED
Mean Isotropic B 62.1
Anisotropic B[1][1] -9.93
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -9.93
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 19.87
RMS Deviations
Key Refinement Restraint Deviation
c_mcangle_it 12.1
c_scangle_it 19.4
c_improper_angle_d 0.71
c_bond_d 0.007
c_dihedral_angle_d 20.4
c_angle_deg 1.2
c_mcbond_it 7.8
c_scbond_it 14.0
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.42
Luzzati Sigma A (Observed) 0.42
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.57
Luzzati Sigma A (R-Free Set) 0.55
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 441
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 26

Software

Software
Software Name Purpose
CNS refinement version: 0.9
iMOSFLM data reduction
SCALA data scaling
AMoRE phasing