X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7
Temperature 298.0
Details 1.9-2.1 M Sodium Maleonate 50 mM DMSO Slow buffer exchange into 2.5 M Sodium Maleoneate no DMSO, in 10 minute steps for freezing, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 28.77 α = 90
b = 62.7 β = 113.66
c = 32.28 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 200
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 315 -- 2005-11-23
Diffraction Radiation
Monochromator Protocol
Si 111 CHANNEL SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ALS BEAMLINE 8.2.2 0.98 ALS 8.2.2

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
0.92 50 96.4 0.079 0.079 -- 3.3 61906 61906 23.39 8.9 10.9
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)
0.92 0.97 96.4 0.18 0.18 5.5 2.4 6955

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 0.92 50.0 5.5 -- 61906 61906 3561 98.6 0.213 0.209 0.1685 0.1989 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 0.92 0.95 6955 348 -- -- -- -- 96.4
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model Anisotropic
RMS Deviations
Key Refinement Restraint Deviation
s_bond_d 0.006
s_angle_d 1.152
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.12
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 963
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 118

Software

Software
Software Name Purpose
ADSC data collection version: Quantum
MOLREP phasing version: CCP4
SHELXL-97 refinement
HKL-2000 data reduction
HKL-2000 data scaling