X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7.2
Temperature 293.0
Details 3.5M sodium formate, 20mM Tris HCl pH 7.2, 50mM NaCl, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 161.06 α = 90
b = 161.06 β = 90
c = 88.21 γ = 90
Symmetry
Space Group P 41 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
2 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH -- 2002-06-15
CCD MARRESEARCH -- 2002-06-17
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE BM14 0.9875,0.9793,0.9789,0.9184 ESRF BM14

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
2.9 30 100.0 0.044 -- -- 7.7 26182 26182 0.0 0.0 92.3
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)
2.9 3.0 100.0 0.552 -- -- -- --

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
SAD 3.0 30.0 0.0 0.0 23743 23743 1201 99.9 -- -- 0.2573 0.2904 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 97.7
Anisotropic B[1][1] -34.65
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -34.65
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 69.29
RMS Deviations
Key Refinement Restraint Deviation
c_dihedral_angle_d 22.1
c_improper_angle_d 1.03
c_bond_d 0.009
c_angle_deg 1.6
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.49
Luzzati Sigma A (Observed) 0.67
Luzzati Resolution Cutoff (Low) 30.0
Luzzati ESD (R-Free Set) 0.58
Luzzati Sigma A (R-Free Set) 0.66
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4705
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 20

Software

Software
Software Name Purpose
DENZO data reduction
SCALEPACK data scaling
SnB phasing
SOLVE phasing
RESOLVE model building
CNS refinement version: 1.0
RESOLVE phasing