X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 6.5
Details VAPOR DIFFUSION FROM HANGING DROPS (18 DEG C): PROTEIN (A280 22) WAS IN 50 MM TRIS, 10 MM MNCL2, PH 7.5; RESERVOIR SOLUTION WAS 10% PEG, 100 MM LICL, 100 MM MES, PH 6.3; DROPS WERE FORMED FROM EQUAL PARTS OF PROTEIN AND RESERVOIR SOLUTIONS., pH 6.5, vapor diffusion - hanging drop

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 86.29 α = 90
b = 141.85 β = 90
c = 160.66 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 293
Diffraction Detector
Detector Diffraction Type Details Collection Date
AREA DETECTOR ENRAF-NONIUS FAST DUAL SLITS, COLLIMATOR 1993-02
Diffraction Radiation
Monochromator Protocol
GRAPHITE(002) --
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
3 33 89.6 0.1 -- -- 1.7 -- 35985 -- -- 49.8
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)
3.0 3.16 62.2 0.23 -- 3.1 1.5 --

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 3.0 20.0 -- -- -- 35802 1775 89.3 -- 0.193 0.193 0.209 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 3.0 3.14 -- 124 2734 0.303 0.282 0.025 57.9
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 19.1
RMS Deviations
Key Refinement Restraint Deviation
x_bond_d 0.009
x_improper_angle_d 1.26
x_angle_deg 1.6
x_dihedral_angle_d 22.3
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3481
Nucleic Acid Atoms 0
Heterogen Atoms 2
Solvent Atoms 2

Software

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