X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 5.6
Details 2.8 M AMMONIUM PHOSPHATE, 0.1 M NA CACODYLATE, PH 5.6 (FINAL PH 7.5), ROOM TEMPERATURE

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 70.54 α = 90
b = 43.65 β = 94.19
c = 53.12 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 293
Diffraction Detector
Detector Diffraction Type Details Collection Date
AREA DETECTOR ENRAF-NONIUS COLLIMATOR 1997-10-22
Diffraction Radiation
Monochromator Protocol
GRAPHITE SINGLE WAVELENGTH
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
1.5 22 91.1 -- 0.039 -- 2.1 -- 23988 -- 0.0 18.66
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)
1.5 1.55 74.1 -- 0.135 5.3 1.4 --

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 1.5 21.0 -- 0.0 -- 22822 2253 82.0 -- 0.204 0.204 0.262 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 1.5 1.57 -- 218 2112 0.28 0.275 0.02 --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 22.53
RMS Deviations
Key Refinement Restraint Deviation
x_bond_d 0.006
x_angle_deg 1.35
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.19
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.23
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1428
Nucleic Acid Atoms 0
Heterogen Atoms 44
Solvent Atoms 76

Software

Computing
Computing Package Purpose
MADNES Data Reduction (intensity integration)
CCP4 (AGROVATA, ROTAVATA) Data Reduction (data scaling)
CCP4 Structure Solution
X-PLOR 3.851 Structure Refinement
Software
Software Name Purpose
X-PLOR version: 3.851 refinement
CCP4 model building
ROTAVATA-AGROVATA data reduction
MADNES data collection