X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.5
Details DROP: 8-12 MG/ML PROTEIN 6 MM ZNSO4 0.6 M (NH4)2SO4 WELL: 2.58-2.73 M AMMONIUM PHOSPHATE BUFFER, PH 7.5 1-2 MM ZNSO4 0.15-0.30 M (NH4)2SO4 5-10 MM NH4OH

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 57.63 α = 90
b = 57.63 β = 90
c = 80.98 γ = 120
Symmetry
Space Group P 32

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH SUPER DOUBLE MIRRORS 1997-05
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE ELLIOTT GX-13 -- -- --

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
1.8 10.8 96.9 0.058 -- -- 1.9 -- 27056 -- -- 14.37
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)
1.8 1.9 88.0 0.163 -- 6.01 1.7 --

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
OTHER 1.8 10.8 -- 0.0 -- 25666 -- 96.9 -- -- 0.173 0.236 --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 16.9
RMS Deviations
Key Refinement Restraint Deviation
p_special_tor 0.0
p_transverse_tor 18.2
p_staggered_tor 14.8
p_planar_tor 4.5
p_xyhbond_nbd 0.153
p_multtor_nbd 0.25
p_bond_d 0.013
p_angle_d 0.031
p_planar_d 0.03
p_mcbond_it 1.572
p_mcangle_it 2.134
p_scbond_it 1.797
p_scangle_it 2.524
p_chiral_restr 0.131
p_singtor_nbd 0.174
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2593
Nucleic Acid Atoms 0
Heterogen Atoms 1
Solvent Atoms 380

Software

Computing
Computing Package Purpose
IPMOSFLM Data Reduction (intensity integration)
CCP4 (SCALA) Data Reduction (data scaling)
X-PLOR Structure Solution
REFMAC Structure Refinement
Software
Software Name Purpose
REFMAC refinement
X-PLOR model building
SCALA data reduction
IPMOSFLM data collection