X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 5.4
Details pH 5.4

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 55.71 α = 90
b = 51.15 β = 105.96
c = 39.47 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 293
Diffraction Detector
Detector Diffraction Type Details Collection Date
AREA DETECTOR SIEMENS COLLIMATOR 1993-06
Diffraction Radiation
Monochromator Protocol
GRAPHITE(002) --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RUH2R -- -- --

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
2.3 20 95.0 0.083 -- -- 4.0 -- 9267 -- 2.0 15.7
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)
2.3 2.4 79.0 0.242 -- 2.8 4.0 --

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 2.3 20.0 -- 2.0 -- 8925 936 95.0 -- 0.174 0.174 0.216 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 2.3 2.4 -- 90 808 0.215 0.256 0.027 78.5
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 22.0
RMS Deviations
Key Refinement Restraint Deviation
x_improper_angle_d 0.891
x_angle_deg 1.605
x_dihedral_angle_d 28.58
x_bond_d 0.012
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.23
Luzzati Sigma A (Observed) 0.22
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.29
Luzzati Sigma A (R-Free Set) 0.28
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1712
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 75

Software

Software
Software Name Purpose
XENGEN data collection
XENGEN data reduction
X-PLOR model building version: 3.851
X-PLOR refinement version: 3.851
XENGEN data scaling
X-PLOR phasing version: 3.851