X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7
Temperature 298.0
Details ammonium sulphate, HEPES, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 111.15 α = 90
b = 38.22 β = 108.36
c = 51.04 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 MARRESEARCH -- 1999-07-28
Diffraction Radiation
Monochromator Protocol
GRAPHITE SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE ENRAF-NONIUS FR591 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
1.65 40 97.4 0.045 -- -- 3.9 24126 94866 -- -3.0 14.6
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)
1.65 1.71 92.3 0.157 -- 8.5 3.9 --

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
MIR 1.65 35.93 -- 0.0 24126 24126 1214 97.2 -- -- 0.152 0.185 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 1.65 1.75 3682 189 3682 0.209 0.236 0.017 94.8
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 11.7
Anisotropic B[1][1] -0.23
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.19
Anisotropic B[2][2] 0.7
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.47
RMS Deviations
Key Refinement Restraint Deviation
c_angle_deg 1.5
c_bond_d 0.008
c_dihedral_angle_d 23.8
c_improper_angle_d 0.9
c_scbond_it 2.05
c_scangle_it 2.66
c_mcbond_it 0.87
c_mcangle_it 1.21
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.14
Luzzati Sigma A (Observed) 0.04
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.17
Luzzati Sigma A (R-Free Set) 0.07
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1672
Nucleic Acid Atoms 0
Heterogen Atoms 8
Solvent Atoms 399

Software

Software
Software Name Purpose
DENZO data reduction
SCALEPACK data scaling
SHARP phasing
CNS refinement version: 1.0