X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 5.5
Temperature 289.0
Details 20mM SODIUM CITRATE BUFFER, 20% PEG 4000, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 289K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 99.76 α = 90
b = 32.74 β = 90.25
c = 72.35 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS IV mirrors 2000-04-10
Diffraction Radiation
Monochromator Protocol
YALE MIRRORS SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU 1.5418 -- --

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
1.5 30 98.3 -- 0.052 -- 7.5 37206 37206 0.1 -3.0 21.3
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)
1.5 1.55 95.6 -- 0.39 -- -- 3586

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
FOURIER SYNTHESIS 1.5 23.57 -- 0.001 37206 37206 1861 98.0 -- 0.211 0.211 0.244 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 1.5 1.59 36876 319 5607 0.422 0.446 0.025 94.9
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 21.0
Anisotropic B[1][1] -0.39
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -0.76
Anisotropic B[2][2] 1.23
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.84
RMS Deviations
Key Refinement Restraint Deviation
c_angle_deg 1.3
c_scbond_it 1.86
c_improper_angle_d 0.75
c_mcbond_it 1.16
c_bond_d 0.004
c_dihedral_angle_d 24.6
c_scangle_it 2.64
c_mcangle_it 1.86
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.2
Luzzati Sigma A (Observed) 0.11
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.23
Luzzati Sigma A (R-Free Set) 0.12
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1902
Nucleic Acid Atoms 0
Heterogen Atoms 42
Solvent Atoms 399

Software

Software
Software Name Purpose
CNS refinement version: 1.1
R-AXIS data reduction
SCALEPACK data scaling
CNS phasing