X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7
Temperature 298.0
Details PEG 3350 monodisperse, Glycerol, Magnesium Chloride, Hepes, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K, pH 7.00

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 82.69 α = 90
b = 85.21 β = 90
c = 178.14 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- 2001-11-06
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-2 -- 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
2.4 19.9 98.9 -- 0.076 -- 4.1 -- 49993 -- -- 32.8
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)
2.4 2.49 100.0 -- 0.518 3.1 -- --

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 2.4 19.92 -- 0.0 -- 49502 2468 99.1 -- -- 0.206 0.233 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 2.4 2.55 -- 395 7823 0.262 0.29 0.015 100.0
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 43.1
Anisotropic B[1][1] 5.53
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 7.04
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -12.57
RMS Deviations
Key Refinement Restraint Deviation
c_scangle_it 3.17
c_scbond_it 2.09
c_mcangle_it 2.42
c_mcbond_it 1.41
c_improper_angle_d 1.18
c_bond_d 0.01
c_angle_deg 1.5
c_dihedral_angle_d 23.2
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.28
Luzzati Sigma A (Observed) 0.27
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.32
Luzzati Sigma A (R-Free Set) 0.33
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 5449
Nucleic Acid Atoms 0
Heterogen Atoms 66
Solvent Atoms 167

Software

Computing
Computing Package Purpose
SCALEPACK Data Reduction (data scaling)
CNX 2002 (ACCELRYS) Structure Refinement
Software
Software Name Purpose
CNX version: 2002 refinement