X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
Details PROTEIN SOLUTION:17 MG/ML. CRYSTALLIZATION SOLUTION: 10% PEG 400, 0.5M LI2SO4, PH 7.5-8.0., VAPOR DIFFUSION, HANGING DROP

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 65.76 α = 90
b = 101.1 β = 90
c = 70.04 γ = 90
Symmetry
Space Group C 2 2 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 293
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH DOUBLE FOCUSED MIRROR 1997-02-10
Diffraction Radiation
Monochromator Protocol
NI FILTER SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RU200 -- -- --

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
2.2 15 92.2 0.075 -- -- 7.8 -- 11229 -- 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)
2.2 2.28 96.1 0.236 -- 6.4 4.3 --

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
MIR 2.2 15.0 -- 2.0 -- 10955 -- 92.2 -- 0.223 0.223 0.28 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 2.2 2.3 -- -- 1092 0.327 0.369 -- 95.5
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 44.5
RMS Deviations
Key Refinement Restraint Deviation
x_scbond_it 2.0
x_angle_deg 2.087
x_mcbond_it 1.5
x_scangle_it 2.5
x_bond_d 0.012
x_mcangle_it 2.0
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.43
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1552
Nucleic Acid Atoms 0
Heterogen Atoms 14
Solvent Atoms 79

Software

Software
Software Name Purpose
DENZO data reduction
SCALEPACK data scaling
CCP4 model building
X-PLOR refinement version: 3.1
CCP4 phasing