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 TRIETHANOLAMINE AT PH 7.0 AS BUFFER AND 200 MM CACL2

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 74.71 α = 90
b = 74.71 β = 90
c = 136.48 γ = 90
Symmetry
Space Group P 43 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 120
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS II LONG MIRRORS (MSC) 1998-05-01
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
2.1 15 99.4 0.094 9.4 -- 5.5 -- 23002 -- -- 19.6
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)
2.1 2.17 100.0 0.298 29.8 5.9 5.4 --

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 2.1 15.0 -- 0.0 -- 23225 1182 100.0 -- 0.168 0.172 0.21 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 21.4
RMS Deviations
Key Refinement Restraint Deviation
p_planar_d 0.024
p_scbond_it 2.62
p_planar_tor 3.3
p_bond_d 0.007
p_mcangle_it 2.191
p_mcbond_it 1.624
p_staggered_tor 12.2
p_transverse_tor 27.1
p_chiral_restr 0.1
p_xyhbond_nbd 0.135
p_scangle_it 3.582
p_multtor_nbd 0.201
p_singtor_nbd 0.177
p_angle_d 0.023
p_plane_restr 0.018
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2388
Nucleic Acid Atoms 0
Heterogen Atoms 28
Solvent Atoms 292

Software

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