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_transverse_tor 34.8
p_staggered_tor 17.1
p_planar_tor 3.6
p_xyhbond_nbd 0.183
p_multtor_nbd 0.247
p_bond_d 0.009
p_angle_d 0.025
p_planar_d 0.025
p_mcbond_it 1.081
p_mcangle_it 1.461
p_scbond_it 2.167
p_scangle_it 2.961
p_plane_restr 0.0201
p_chiral_restr 0.096
p_singtor_nbd 0.173
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 3770
Nucleic Acid Atoms 0
Heterogen Atoms 9
Solvent Atoms 334

Software

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