X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 6
Temperature 290.0
Details PEG 6000, sodium acetate, sodium chloride , pH 6.0, VAPOR DIFFUSION, SITTING DROP, temperature 290.0K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 31.3 α = 90
b = 41.6 β = 90
c = 77.1 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 298
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 1998-09-21
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON LURE BEAMLINE D41A -- LURE D41A

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
1.66 18 95.4 0.056 -- -- 12.5 11689 11689 0.0 0.0 30.8
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)
1.66 1.72 84.7 0.352 -- -- 8.9 1015

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
MIR 1.66 18.0 0.0 0.0 11689 11689 602 95.4 0.207 0.207 0.191 0.249 RANDOM
RMS Deviations
Key Refinement Restraint Deviation
p_special_tor 0.0
p_bond_d 0.017
p_planar_d 0.022
p_angle_d 0.016
p_chiral_restr 0.185
p_scangle_it 4.916
p_multtor_nbd 0.162
p_staggered_tor 13.7
p_transverse_tor 27.4
p_planar_tor 4.9
p_mcangle_it 2.864
p_plane_restr 0.0116
p_scbond_it 3.397
p_singtor_nbd 0.149
p_mcbond_it 1.814
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 631
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 49

Software

Software
Software Name Purpose
DENZO data reduction
SCALEPACK data scaling
MLPHARE phasing
DM model building
REFMAC refinement
DM phasing