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 RUH2R -- -- --

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_planar_d 0.035
p_plane_restr 0.011
p_angle_d 0.029
p_staggered_tor 16.5
p_mcbond_it 2.9
p_mcangle_it 3.5
p_multtor_nbd 0.252
p_xyhbond_nbd 0.165
p_planar_tor 4.2
p_singtor_nbd 0.174
p_scangle_it 5.2
p_transverse_tor 33.7
p_chiral_restr 0.12
p_bond_d 0.012
p_scbond_it 4.3
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

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