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_bond_d 0.008
p_angle_d 0.031
p_planar_tor 4.0
p_transverse_tor 24.2
p_plane_restr 0.0254
p_mcangle_it 2.845
p_chiral_restr 0.108
p_scbond_it 4.719
p_xhyhbond_nbd 0.13
p_mcbond_it 1.85
p_staggered_tor 17.5
p_singtor_nbd 0.173
p_planar_d 0.029
p_scangle_it 6.039
p_multtor_nbd 0.242
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 11222
Nucleic Acid Atoms 0
Heterogen Atoms 32
Solvent Atoms 567

Software

Software
Software Name Purpose
MLPHARE phasing
REFMAC refinement
XDS data reduction
XSCALE data scaling