X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.5
Details pH 6.5

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 72.35 α = 90
b = 72.35 β = 90
c = 65.72 γ = 120
Symmetry
Space Group P 31 2 1

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
-- MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ALS BEAMLINE 5.0.2 1.0162,1.0596 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
1.7 20 99.2 -- 4.2 -- 3.6 -- 20854 -- -- --

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
MAD 1.7 20.0 -- 0.0 20854 20854 1109 99.2 -- -- 0.224 0.278 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 36.0
RMS Deviations
Key Refinement Restraint Deviation
p_planar_d 0.04
p_mcbond_it 2.118
p_bond_d 0.02
p_scangle_it 3.541
p_transverse_tor 21.5
p_special_tor 0.0
p_scbond_it 2.966
p_xyhbond_nbd 0.12
p_chiral_restr 0.155
p_singtor_nbd 0.175
p_planar_tor 4.2
p_multtor_nbd 0.282
p_angle_d 0.033
p_mcangle_it 3.349
p_staggered_tor 16.9
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1086
Nucleic Acid Atoms 0
Heterogen Atoms 13
Solvent Atoms 110

Software

Software
Software Name Purpose
MLPHARE phasing
REFMAC refinement
MOSFLM data reduction
CCP4 data scaling version: (SCALA)