X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7
Temperature 295.0
Details PEG 2000 MME, Tris-HCl, dithiothreitol, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 295K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 92.72 α = 90
b = 92.72 β = 90
c = 241.3 γ = 90
Symmetry
Space Group P 43 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MACSCIENCE -- 1998-10-10
Diffraction Radiation
Monochromator Protocol
-- MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON PAL/PLS BEAMLINE 6B 0.9500, 0.9787, 0.9789, 1.0000 PAL/PLS 6B

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
2.4 20 89.1 -- 0.066 -- -- 37528 35679 0.0 0.0 12.0
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)
2.4 2.49 76.6 -- 0.247 2.3 -- --

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
MAD 2.4 19.91 -- 2.0 37437 35677 3580 84.7 0.229 0.224 0.224 0.271 RANDOM
High Resolution Shell
Refinement method Shell Resolution (High) Shell Resolution (Low) # of Reflections (Observed) # of Reflections (R-Free) # of Reflections (R-Work) R-Factor (R-Work) R-Factor (R-Free) R-Factor (R-Free Error) Percent Reflections (Observed)
X Ray Diffraction 2.4 2.55 -- 476 4204 0.332 0.355 0.016 68.2
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 37.9
Anisotropic B[1][1] 4.69
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 4.69
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -9.39
RMS Deviations
Key Refinement Restraint Deviation
c_dihedral_angle_d 23.6
c_improper_angle_d 0.84
c_angle_deg 1.3
c_scbond_it 1.6
c_scangle_it 2.47
c_bond_d 0.007
c_mcangle_it 2.03
c_mcbond_it 1.18
Coordinate Error
Parameter Value
Luzzati ESD (R-Free Set) 0.4
Luzzati Sigma A (R-Free Set) 0.57
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 8308
Nucleic Acid Atoms 0
Heterogen Atoms 20
Solvent Atoms 327

Software

Software
Software Name Purpose
CNS refinement version: 1.1
DENZO data reduction
SCALEPACK data scaling
SOLVE phasing