X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.5
Details THE PROTEIN (20 MG/ML-1) WAS CRYSTALLISED FROM 30% (W/V) PEG 4000K IN 10MM TRIS-ACETATE BUFFER AT PH 7.5

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 109.92 α = 90
b = 104.45 β = 90
c = 53.79 γ = 90
Symmetry
Space Group P 21 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 120
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH LONG MIRRORS (MSC) 1997-10-15
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU/MSC RU-H2R -- -- --

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
1.6 15 98.9 0.065 -- -- 3.7 -- 78038 -- -- 21.0
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)
1.6 1.66 97.8 0.317 -- 3.6 4.0 --

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
MOLECULAR REPLACEMENT 1.6 15.0 -- 0.0 -- 78038 -- 98.9 -- -- 0.18 0.24 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 22.0
RMS Deviations
Key Refinement Restraint Deviation
p_transverse_tor 33.7
p_staggered_tor 16.5
p_planar_tor 4.2
p_xyhbond_nbd 0.165
p_multtor_nbd 0.252
p_bond_d 0.012
p_angle_d 0.029
p_planar_d 0.035
p_mcbond_it 2.9
p_mcangle_it 3.5
p_scbond_it 4.3
p_scangle_it 5.2
p_plane_restr 0.011
p_chiral_restr 0.12
p_singtor_nbd 0.174
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 5270
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 901

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
AMORE Structure Solution
REFMAC Structure Refinement
Software
Software Name Purpose
REFMAC refinement
AMORE model building