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 = 84.2 α = 90
b = 72.99 β = 113.44
c = 71.29 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) 1996-06
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
1.95 20 95.4 0.06 0.06 -- 3.4 -- 28798 -- -- 20.4
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)
1.95 2.02 95.0 0.06 0.24 4.5 3.3 --

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 1.95 6.0 -- 0.0 -- 27809 1710 99.5 -- 0.179 0.179 0.206 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 1.95 2.02 -- 173 2507 0.227 0.254 0.016 96.2
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 23.2
Anisotropic B[1][1] -3.39
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.51
Anisotropic B[2][2] 2.18
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 1.2
RMS Deviations
Key Refinement Restraint Deviation
c_mcangle_it 2.15
c_dihedral_angle_d 27.2
c_scbond_it 2.59
c_angle_deg 1.4
c_improper_angle_d 1.17
c_mcbond_it 1.45
c_scangle_it 3.86
c_bond_d 0.005
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.19
Luzzati Sigma A (Observed) 0.12
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.22
Luzzati Sigma A (R-Free Set) 0.09
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1855
Nucleic Acid Atoms 0
Heterogen Atoms 106
Solvent Atoms 135

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