X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 5.6
Details 18-25 % PEG 4000 0.2 M AMMONIUM ACETATE, 0.1 M CITRATE, PH 5.6

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 79.59 α = 90
b = 142.75 β = 90
c = 159.44 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD -- -- 1996-06-01
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE D2AM -- ESRF D2AM

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
2.4 40 93.2 -- 8.0 -- 4.4 -- 64393 -- 1.0 --
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)
2.4 3.0 86.7 -- 14.3 -- 3.1 --

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
SIRAS 2.4 20.0 -- 0.0 -- 62863 3153 79.8 -- -- 0.219 0.276 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 31.18
RMS Deviations
Key Refinement Restraint Deviation
p_transverse_tor 24.2
p_staggered_tor 17.5
p_planar_tor 4.0
p_xhyhbond_nbd 0.13
p_multtor_nbd 0.242
p_bond_d 0.008
p_angle_d 0.031
p_planar_d 0.029
p_mcbond_it 1.85
p_mcangle_it 2.845
p_scbond_it 4.719
p_scangle_it 6.039
p_plane_restr 0.0254
p_chiral_restr 0.108
p_singtor_nbd 0.173
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 11151
Nucleic Acid Atoms 0
Heterogen Atoms 32
Solvent Atoms 567

Software

Computing
Computing Package Purpose
XDS Data Reduction (intensity integration)
XSCALE Data Reduction (data scaling)
MLPHARE Structure Solution
REFMAC Structure Refinement
Software
Software Name Purpose
REFMAC refinement
MLPHARE model building