X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7.5
Details HANGING DROP VAPOUR DIFFUSION AT ROOM TEMPERATURE. PROTEIN SOLUTION: 8-10 MG/ML IN 10 MM TRIS PH 7.5, 2 MM CACL2. RESERVOIR SOLUTION: 0.1 M HEPES PH 7.5, 12-14% (W/V) PEG4000, 10% (V/V) 2-PROPANOL., vapor diffusion - hanging drop

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 51.86 α = 90
b = 88.14 β = 90
c = 153.73 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
IMAGE PLATE MARRESEARCH -- 1997-07
Diffraction Radiation
Monochromator Protocol
-- --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE ELLIOTT GX-21 -- -- --

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
2.8 15 99.2 0.106 -- -- 5.5 -- 17878 -- 0.0 --
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)
2.8 2.92 100.0 0.445 -- 1.8 5.6 --

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 2.8 6.0 -- 0.0 -- 16014 1671 99.7 -- 0.255 0.255 0.306 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 2.8 2.96 -- 263 2374 0.357 0.381 -- 99.3
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model INDIVIDUAL RESTRAINED
Mean Isotropic B 26.0
RMS Deviations
Key Refinement Restraint Deviation
x_angle_deg 1.4
x_bond_d 0.007
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3670
Nucleic Acid Atoms 0
Heterogen Atoms 62
Solvent Atoms 0

Software

Software
Software Name Purpose
MOSFLM data reduction
SCALA data scaling
X-PLOR model building version: 3.1
X-PLOR refinement version: 3.1
CCP4 data scaling version: (SCALA)
X-PLOR phasing version: 3.1