X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 4.5
Details 100 MM SODIUM ACETATE, PH 4.5, 5% PEG 8000, 0.5M NACL

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 71.63 α = 90
b = 71.63 β = 90
c = 37.38 γ = 120
Symmetry
Space Group P 3

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC -- 1998-01-15
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ALS BEAMLINE 5.0.2 -- ALS 5.0.2

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
1.5 50 83.9 -- 0.034 -- 4.2 -- 30005 -- -- 18.1
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 1.54 37.3 -- 0.295 0.3 2.9 --

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
MIRAS 1.5 20.0 -- 0.0 -- 30005 1500 83.9 -- -- 0.181 0.222 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 23.6
RMS Deviations
Key Refinement Restraint Deviation
p_staggered_tor 16.5
p_chiral_restr 0.141
p_scangle_it 2.989
p_angle_d 0.029
p_singtor_nbd 0.171
p_multtor_nbd 0.256
p_scbond_it 2.007
p_mcbond_it 1.613
p_transverse_tor 20.6
p_planar_tor 5.5
p_bond_d 0.013
p_planar_d 0.032
p_mcangle_it 2.678
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1484
Nucleic Acid Atoms 0
Heterogen Atoms 56
Solvent Atoms 202

Software

Software
Software Name Purpose
MOSFLM data reduction
SCALA data scaling
MLPHARE phasing
ARP model building
DM model building
REFMAC refinement
CCP4 data scaling version: (SCALA)
ARP/wARP model building
DM phasing