X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 8.5
Temperature 298.0
Details PEG 4000, Sodium Acetate, Tris, L-Cysteine, Triton X-100, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 113.74 α = 90
b = 113.74 β = 90
c = 89.46 γ = 120
Symmetry
Space Group P 31 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- 2001-10-28
Diffraction Radiation
Monochromator Protocol
double crystal SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ALS BEAMLINE 5.0.3 0.992 ALS 5.0.3

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
3.4 50 99.9 0.18 -- -- 6.0 9493 9493 1.0 1.0 --
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)
3.4 3.61 100.0 0.505 -- 3.8 -- 928

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
MOLECULAR REPLACEMENT 3.4 33.11 -- 0.0 9505 9493 493 100.0 0.222 0.218 0.218 0.309 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 3.4 3.61 -- 79 1489 0.267 0.421 0.047 100.0
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model GROUP
Mean Isotropic B 42.2
Anisotropic B[1][1] 11.82
Anisotropic B[1][2] 14.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 11.82
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -23.63
RMS Deviations
Key Refinement Restraint Deviation
c_angle_deg 2.2
c_dihedral_angle_d 25.2
c_bond_d 0.009
c_improper_angle_d 1.67
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.35
Luzzati Sigma A (Observed) 0.48
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.56
Luzzati Sigma A (R-Free Set) 0.71
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4498
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 0

Software

Software
Software Name Purpose
CNS refinement version: 1.1
HKL-2000 data reduction
SCALEPACK data scaling
AMoRE phasing