X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Macroseeding
pH 7
Details MACROSEEDING, DROP: 16% PEG8000, 200 MM SODIUM FORMATE, 100 MM BIS-TRIS PH 7.0; WELL: 22% PEG8000, 200 MM SODIUM FORMATE, 100 MM BIS-TRIS PH 7.0, macroseeding

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 57.25 α = 90
b = 84.16 β = 90
c = 91.49 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 120
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 1996-07-30
Diffraction Radiation
Monochromator Protocol
-- --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON EMBL/DESY, HAMBURG BEAMLINE BW7B -- EMBL/DESY, Hamburg BW7B

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
1.95 25 99.4 0.042 -- -- 13.5 -- 32507 -- 3.0 --
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)
1.95 1.98 98.7 0.156 -- 6.0 13.5 --

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
MULTIPLE ISOMORPHOUS REPLACEMENT 1.95 5.0 -- 0.0 -- 30835 1501 0.979 -- 0.192 0.19 0.248 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 21.6
RMS Deviations
Key Refinement Restraint Deviation
p_bond_d 0.009
p_singtor_nbd 0.173
p_plane_restr 0.0201
p_transverse_tor 34.8
p_planar_tor 3.6
p_staggered_tor 17.1
p_scbond_it 2.167
p_chiral_restr 0.096
p_multtor_nbd 0.247
p_xyhbond_nbd 0.183
p_angle_d 0.025
p_scangle_it 2.961
p_mcangle_it 1.461
p_planar_d 0.025
p_mcbond_it 1.081
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.2
Luzzati Resolution Cutoff (Low) 5.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3772
Nucleic Acid Atoms 0
Heterogen Atoms 9
Solvent Atoms 334

Software

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