X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7
Details PROTEIN (20MGML-1) WAS CRYSTALLISED FROM 28% PEG400 AS PRECIPITANT, 100MM HEPES AT PH 7.0 AS BUFFER AND 200 MM CACL2. THE PROTEIN WAS INCUBATED WITH THE 1MM OF SUBSTRATE FOR AN HOUR PRIOR TO COCRYSTALLISATIOM

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 74.52 α = 90
b = 74.52 β = 90
c = 136.19 γ = 90
Symmetry
Space Group P 43 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH LONG MIRRORS (MSC) 2000-01-13
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RU200 -- -- --

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
1.85 15 98.7 0.048 0.048 -- 3.0 -- 32666 -- -- 23.32
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)
1.85 1.92 96.5 0.265 0.265 3.7 3.0 --

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
OTHER 1.85 15.0 -- 0.0 -- 31361 1676 98.7 -- 0.179 0.177 0.222 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 23.14
RMS Deviations
Key Refinement Restraint Deviation
p_planar_d 0.033
p_plane_restr 0.025
p_singtor_nbd 0.18
p_multtor_nbd 0.248
p_angle_d 0.03
p_mcbond_it 2.345
p_mcangle_it 2.965
p_chiral_restr 0.126
p_staggered_tor 11.8
p_planar_tor 4.3
p_bond_d 0.013
p_scbond_it 3.331
p_scangle_it 4.246
p_transverse_tor 27.1
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2388
Nucleic Acid Atoms 0
Heterogen Atoms 50
Solvent Atoms 328

Software

Software
Software Name Purpose
REFMAC refinement
DENZO data reduction
SCALEPACK data scaling