X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion
pH 5
Temperature 298.0
Details VAPOR DIFFUSION, WITH 6.7 OR 8.0 MG/ML PROTEIN IN 5-7.5% PEG8000, 20-25MM POTASSIUM PHOSPHATE (MONOBASIC), OVER 12.5 OR 15% PEG8000, 50MM POTASSIUM PHOSPHATE (MONOBASIC) RESERVOIR AT ROOM TEMPERATURE., temperature 298K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 77.97 α = 90
b = 69.51 β = 90
c = 63.14 γ = 90
Symmetry
Space Group P 21 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC -- 1997-08-01
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON CHESS BEAMLINE A1 -- CHESS A1

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
1.8 99 95.6 0.076 0.076 -- 3.9 -- 31187 -- -3.0 --
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)
1.8 1.86 80.0 0.142 0.142 5.0 1.79 --

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 1.8 8.0 -- 0.0 -- 30206 1502 94.2 -- -- 0.2018 0.232 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 1.8 1.88 -- 190 2965 0.2482 0.2626 -- 79.8
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 15.1
RMS Deviations
Key Refinement Restraint Deviation
x_bond_d 0.007
x_angle_deg 1.405
x_improper_angle_d 1.249
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2773
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 235

Software

Software
Software Name Purpose
AMoRE phasing
X-PLOR model building
X-PLOR refinement version: 3.851
DENZO data reduction
SCALEPACK data scaling
X-PLOR phasing