X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 4.6
Temperature 295.0
Details PEG 4000, sodium acetate pH 4.6, VAPOR DIFFUSION, HANGING DROP, temperature 295K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 105.6 α = 90
b = 105.6 β = 90
c = 47.1 γ = 90
Symmetry
Space Group P 4 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 113
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH 1mm x 1mm slits, 25 m from crystal 1999-08-07
Diffraction Radiation
Monochromator Protocol
Si (111), cryogenically-cooled SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 5ID-B -- APS 5ID-B

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
2.3 30 99.8 0.054 -- -- 8.7 12322 12322 -- -- 49.2
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)
2.3 2.38 100.0 0.257 -- 10.6 7.1 1208

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 2.3 30.0 -- 0.0 12322 12322 1269 99.7 -- -- 0.242 0.27 random
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 51.9
Anisotropic B[1][1] 2.735
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 2.735
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -5.47
RMS Deviations
Key Refinement Restraint Deviation
c_bond_d 0.007
c_angle_deg 1.77
c_dihedral_angle_d 26.21
c_improper_angle_d 0.951
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1618
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 145

Software

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