X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7
Details pH 7.

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 84.22 α = 90
b = 72.98 β = 113.33
c = 71.26 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 298
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU FRANCKS MIRRORS (SUPPER 2 X 6 CM MIRRORS) 1994-11
Diffraction Radiation
Monochromator Protocol
NI FILTER --
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
1.9 20 98.6 0.049 0.049 -- 4.0 -- 30859 -- -- 21.8
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)
1.9 1.97 96.7 0.049 0.145 8.0 3.8 --

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
DIFFERENCE FOURIER FROM PREVIOUSLY DETERMINED, RELATED STRUCTURE 1.9 6.0 -- 0.0 -- 30841 939 99.1 -- 0.18 0.18 0.2 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 -- 76 2497 0.217 0.224 0.026 85.3
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 25.1
Anisotropic B[1][1] -2.95
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.49
Anisotropic B[2][2] 1.56
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 1.39
RMS Deviations
Key Refinement Restraint Deviation
c_improper_angle_d 1.2
c_bond_d 0.005
c_mcbond_it 1.35
c_dihedral_angle_d 27.0
c_scangle_it 3.65
c_scbond_it 2.44
c_angle_deg 1.4
c_mcangle_it 2.08
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.19
Luzzati Sigma A (Observed) 0.07
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.19
Luzzati Sigma A (R-Free Set) 0.08
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1855
Nucleic Acid Atoms 0
Heterogen Atoms 97
Solvent Atoms 167

Software

Software
Software Name Purpose
X-PLOR model building
CNS refinement version: 0.1
X-PLOR refinement
DENZO data reduction
SCALEPACK data scaling
X-PLOR phasing