X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion
pH 5.8
Details PROTEIN SOLUTION: 20MM NAOAC/HOAC (PH 4.6), 2MM CACL2, C=60MG/ML. DROPLETS SIZE: 0.001 ML PROTEIN SOLUTION, 0.001 ML RESERVOIR SOLUTION; RESERVOIR SOLUTION: 100MM NAOAC/HOAC (PH 5.8), 20%(W/W) POLYETHYLENE GLYCOL 8000; VAPOUR DIFFUSION, FOUR DAYS, vapor diffusion

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 49.58 α = 90
b = 82.99 β = 104.36
c = 77.56 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 294.2
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH PINHOLE 1992-10
Diffraction Radiation
Monochromator Protocol
GRAPHITE(002) --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE ENRAF-NONIUS FR571 -- -- --

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 13.65 99.21 -- 0.081 -- -- -- 40727 -- 2.0 14.35
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)
2.0 2.09 96.61 -- -- -- -- --

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 2.0 13.6 -- 2.0 -- 40727 1363 99.3 -- 0.17 0.17 0.213 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 2.0 2.09 -- 171 4760 0.2089 0.1932 0.015 96.61
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 14.2
RMS Deviations
Key Refinement Restraint Deviation
x_improper_angle_d 1.184
x_bond_d 0.007
x_angle_deg 1.314
x_dihedral_angle_d 24.06
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.19
Luzzati Resolution Cutoff (Low) 13.6
Luzzati ESD (R-Free Set) 0.2
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4528
Nucleic Acid Atoms 0
Heterogen Atoms 64
Solvent Atoms 418

Software

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
AGROVATA, ROTAVATA Data Reduction (data scaling)
X-PLOR 3.1 Structure Solution
X-PLOR 3.1 Structure Refinement
Software
Software Name Purpose
X-PLOR version: 3.1 refinement
X-PLOR version: 3.1 model building