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 = 84.06 α = 90
b = 72.97 β = 113.39
c = 71.24 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 RAXIS II FRANCKS MIRRORS (SUPPER 2 X 6 CM MIRRORS) 1993-06
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 91.4 0.056 0.056 -- 2.2 -- 27823 -- -- 30.8
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)
1.95 2.04 91.0 0.056 0.263 5.0 2.0 --

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 -- 26067 2583 93.4 -- 0.173 0.173 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 1.95 2.02 -- 246 2282 0.321 0.301 0.019 91.4
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 32.4
Anisotropic B[1][1] -2.47
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.06
Anisotropic B[2][2] 3.0
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.52
RMS Deviations
Key Refinement Restraint Deviation
c_scangle_it 4.81
c_scbond_it 3.28
c_mcangle_it 2.44
c_mcbond_it 1.54
c_improper_angle_d 1.25
c_bond_d 0.007
c_angle_deg 1.5
c_dihedral_angle_d 27.2
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.22
Luzzati Sigma A (Observed) 0.25
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.21
Luzzati Sigma A (R-Free Set) 0.25
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1855
Nucleic Acid Atoms 0
Heterogen Atoms 105
Solvent Atoms 148

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
X-PLOR Structure Solution
CNS 0.1, X-PLOR Structure Refinement
Software
Software Name Purpose
X-PLOR refinement
CNS version: 0.1 refinement
X-PLOR model building