X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 6.5
Temperature 277.0
Details 18% PEG8000, 0.1M sodium cacodylate, 0.2M zinc acetate, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 277K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 82.19 α = 90
b = 36.62 β = 113.49
c = 104.94 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 290
Diffraction Detector
Detector Diffraction Type Details Collection Date
AREA DETECTOR ENRAF-NONIUS FAST COLLIMATOR 1999-01-01
Diffraction Radiation
Monochromator Protocol
GRAPHITE SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RU200H 1.5418 -- --

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
2.14 26.34 77.7 0.068 -- -- 3.3 88563 26402 2.0 4.0 4.2
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)
2.14 2.27 45.5 0.12 -- -- 5.5 --

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 2.14 26.34 0.0 0.0 25074 25074 1220 -- 0.21 0.21 0.221 0.269 RANDOM
RMS Deviations
Key Refinement Restraint Deviation
c_bond_d 0.006
c_angle_deg 1.2
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.26
Luzzati Sigma A (Observed) 0.33
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.34
Luzzati Sigma A (R-Free Set) 0.41
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4834
Nucleic Acid Atoms 0
Heterogen Atoms 52
Solvent Atoms 286

Software

Software
Software Name Purpose
MADNES data collection
SCALA data scaling
SHELX model building
CNS refinement version: 1.0
MADNES data reduction
CCP4 data scaling version: (SCALA)
SHELX phasing