X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion
pH 9
Temperature 295.0
Details 2.0 - 2.1 M AMMONIUM SULFATE, 0.1 M BICINE pH 9.0, VAPOR DIFFUSION, temperature 295K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 65.3 α = 90
b = 65.3 β = 90
c = 65.3 γ = 120
Symmetry
Space Group P 63

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 95
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 1998-10-17
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X26C -- NSLS X26C

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
1.45 50 99.8 0.065 -- -- 7.35 28109 28109 0.0 0.0 19.5
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)
1.45 1.5 100.0 0.477 -- 3.3 7.22 --

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
MIR 1.45 20.0 0.0 0.0 26654 26654 1409 99.8 -- -- 0.187 0.213 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 1.45 1.52 -- 185 3546 0.25 0.297 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 24.0
RMS Deviations
Key Refinement Restraint Deviation
p_transverse_tor 17.4
p_mcbond_it 2.755
p_chiral_restr 0.105
p_xyhbond_nbd 0.154
p_planar_d 0.04
p_scangle_it 5.638
p_mcangle_it 3.767
p_singtor_nbd 0.17
p_plane_restr 0.021
p_staggered_tor 13.3
p_multtor_nbd 0.256
p_planar_tor 4.1
p_angle_d 0.028
p_scbond_it 4.161
p_bond_d 0.012
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1377
Nucleic Acid Atoms 0
Heterogen Atoms 15
Solvent Atoms 128

Software

Software
Software Name Purpose
SHARP phasing
REFMAC refinement
X-PLOR refinement
DENZO data reduction
SCALEPACK data scaling