X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 5.1
Temperature 20.0
Details PEG 600, IMIDAZOLE, MALATE, pH 5.1, VAPOR DIFFUSION, HANGING DROP, temperature 20K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 156.56 α = 90
b = 51.84 β = 107.81
c = 92.23 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
CCD MARRESEARCH -- 1999-11-16
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-2 0.9326 ESRF ID14-2

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
1.3 26.82 96.1 -- 0.045 -- 2.05 166110 547136 -- 1.9 13.1
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)
1.3 1.35 92.3 -- 0.376 1.9 1.8 15590

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
MAD 1.3 24.86 -- 0.0 163383 163383 2955 94.3 -- 0.21 0.21 0.221 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 1.3 1.38 -- 453 25603 0.288 0.299 0.014 90.9
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 18.1
Anisotropic B[1][1] -1.63
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -1.72
Anisotropic B[2][2] 3.62
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -1.99
RMS Deviations
Key Refinement Restraint Deviation
c_mcangle_it 1.8
c_scangle_it 3.01
c_improper_angle_d 1.18
c_bond_d 0.018
c_mcbond_it 1.19
c_angle_deg 1.6
c_scbond_it 2.08
c_dihedral_angle_d 23.1
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.16
Luzzati Sigma A (Observed) 0.15
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.17
Luzzati Sigma A (R-Free Set) 0.16
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4999
Nucleic Acid Atoms 0
Heterogen Atoms 214
Solvent Atoms 629

Software

Software
Software Name Purpose
SOLVE phasing
CNS refinement version: 1.0
DENZO data reduction
CCP4 data scaling version: (SCALA)