X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 6.5
Temperature 291.0
Details COFACTOR BINDING DOMAIN WAS CRYSTALLISED IN HANGING DROPS AT 18 DEGREES CELSIUS FROM 14% MONO-METHYLETHER PEG750, 100MM MES PH 6.5, vapor diffusion - hanging drop, temperature 291K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 66.38 α = 90
b = 107.53 β = 90
c = 32.74 γ = 90
Symmetry
Space Group P 21 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 293
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MAR scanner 300 mm plate -- 1994-12
Diffraction Radiation
Monochromator Protocol
-- --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON EMBL/DESY, HAMBURG BEAMLINE X11 -- EMBL/DESY, Hamburg X11

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
1.8 20 94.1 0.044 -- -- 2.5 -- 22479 -- 0.0 --
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)
1.8 1.9 84.9 0.319 -- 1.6 2.1 --

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
MIR 1.8 20.0 -- -- -- 22479 1054 94.1 -- -- 0.179 0.246 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 29.8
RMS Deviations
Key Refinement Restraint Deviation
p_bond_d 0.013
p_scbond_it 4.17
p_plane_restr 0.03
p_mcangle_it 4.45
p_singtor_nbd 0.21
p_mcbond_it 3.38
p_chiral_restr 0.13
p_angle_d 0.033
p_staggered_tor 21.5
p_planar_tor 5.0
p_xyhbond_nbd 0.27
p_planar_d 0.039
p_multtor_nbd 0.32
p_scangle_it 5.88
p_transverse_tor 24.5
Coordinate Error
Parameter Value
Luzzati Sigma A (Observed) 0.15
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2038
Nucleic Acid Atoms 0
Heterogen Atoms 5
Solvent Atoms 253

Software

Software
Software Name Purpose
DENZO data reduction
CCP4 data reduction
MLPHARE phasing
REFMAC refinement
CCP4 data scaling