X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 5.6
Details COMPLEX WAS CRYSTALLIZED FROM 20% PEG 2000, 20% ISOPROPANOL, 0.1M SODIUM CITRATE, PH 5.6.

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 43.93 α = 90
b = 58.16 β = 90
c = 86.09 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 295
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU MIRRORS 1996-12
Diffraction Radiation
Monochromator Protocol
NI FILTER --
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
1.9 39.1 80.4 0.077 0.077 -- 2.2 -- 14518 -- 1.0 21.3
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)
1.9 2.1 50.4 0.344 0.344 1.3 -- --

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
MOLECULAR REPLACEMENT 1.9 6.0 -- 1.0 -- 11899 1186 80.4 -- 0.183 0.183 0.255 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 1.9 1.98 -- 45 426 0.321 0.284 0.042 50.4
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 19.4
RMS Deviations
Key Refinement Restraint Deviation
x_improper_angle_d 1.84
x_bond_d 0.016
x_angle_deg 2.27
x_dihedral_angle_d 25.2
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.21
Luzzati Resolution Cutoff (Low) 6.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1748
Nucleic Acid Atoms 0
Heterogen Atoms 10
Solvent Atoms 221

Software

Computing
Computing Package Purpose
BIOTEX (MSC) Data Reduction (intensity integration)
BIOTEX 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
BIOTEX version: (MSC) data reduction
BIOTEX version: (MSC) data collection