X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Slow Cooling
pH 6.3
Temperature 300.0
Details cobalt acetate, trisodium citrate, acetone, hydrochloric acid, pH 6.3, SLOW COOLING, temperature 300K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 80.75 α = 90
b = 80.75 β = 90
c = 33.63 γ = 120
Symmetry
Space Group H 3

Diffraction

Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH mirror, monochromator 1994-12-22
IMAGE PLATE MARRESEARCH mirror, monochromator 1994-10-15
Diffraction Radiation
Monochromator Protocol
Si(111) SINGLE WAVELENGTH
Ge(111) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SRS BEAMLINE PX9.6 0.87 SRS PX9.6
SYNCHROTRON SRS BEAMLINE PX7.2 1.488 SRS PX7.2

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
1.2 20 99.1 0.075 -- -- 2.86 25860 25345 3.0 3.0 --
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)
1.2 1.28 94.7 0.354 -- -- 2.4 --

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 1.2 20.0 -- 3.0 25345 25345 1267 99.1 0.188 0.185 0.1812 0.2412 random
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model isotropic
RMS Deviations
Key Refinement Restraint Deviation
p_bond_d 0.051
p_angle_d 5.6
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.029
Luzzati Sigma A (Observed) 0.23
Luzzati Resolution Cutoff (Low) 10.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 806
Nucleic Acid Atoms 0
Heterogen Atoms 2
Solvent Atoms 197

Software

Computing
Computing Package Purpose
PXGEN Data Reduction (intensity integration)
CCP4 (AGROVATA, ROTAVATA) Data Reduction (data scaling)
AMORE Structure Solution
PROLSQ Structure Refinement
Software
Software Name Purpose
PROLSQ refinement
AMoRE model building
ROTAVATA-AGROVATA data reduction
PXGEN data collection