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_transverse_tor 24.5
p_staggered_tor 21.5
p_planar_tor 5.0
p_xyhbond_nbd 0.27
p_multtor_nbd 0.32
p_bond_d 0.013
p_angle_d 0.033
p_planar_d 0.039
p_mcbond_it 3.38
p_mcangle_it 4.45
p_scbond_it 4.17
p_scangle_it 5.88
p_plane_restr 0.03
p_chiral_restr 0.13
p_singtor_nbd 0.21
Coordinate Error
Parameter Value
Luzzati Sigma A (Observed) 0.15
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1860
Nucleic Acid Atoms 0
Heterogen Atoms 5
Solvent Atoms 253

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
CCP4 Data Reduction (data scaling)
MLPHARE Structure Solution
REFMAC Structure Refinement
Software
Software Name Purpose
REFMAC refinement
MLPHARE model building
CCP4 data reduction
DENZO data collection