X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.5
Details PROTEIN WAS CRYSTALLIZED FROM 28-32% PEG 4000/6000/8000, 200-300 MM SODIUM ACETATE, 100MM SODIUM CACODYLATE., pH 6.5

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 45.43 α = 90
b = 61.63 β = 101.09
c = 67.92 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH MIRRORS 1997-04-15
Diffraction Radiation
Monochromator Protocol
GE(111) --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SRS BEAMLINE PX7.2 -- SRS PX7.2

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
1.7 20 95.6 0.055 -- -- 2.4 -- 38803 -- -3.0 19.1
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)
1.7 1.76 94.9 0.28 -- 2.6 2.3 --

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 1.75 20.0 -- 0.0 -- 33851 1773 95.0 -- -- 0.235 0.286 SHELLS
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 24.0
RMS Deviations
Key Refinement Restraint Deviation
p_transverse_tor 22.0
p_special_tor 0.0
p_angle_d 0.025
p_chiral_restr 0.111
p_mcangle_it 1.6
p_mcbond_it 1.1
p_planar_tor 3.7
p_scangle_it 1.9
p_scbond_it 1.2
p_staggered_tor 15.7
p_bond_d 0.009
p_planar_d 0.028
p_plane_restr 0.021
p_multtor_nbd 0.239
p_singtor_nbd 0.172
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2919
Nucleic Acid Atoms 0
Heterogen Atoms 10
Solvent Atoms 239

Software

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