X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
Temperature 295.0
Details 20% PEG 3350, 0.2 M ammonium nitrate, pH no buffer, VAPOR DIFFUSION, SITTING DROP, temperature 295K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 53.42 α = 90
b = 111.5 β = 106.44
c = 79.38 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARMOSAIC 325 mm CCD -- 2005-05-05
Diffraction Radiation
Monochromator Protocol
double crystal SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SSRL BEAMLINE BL9-2 0.95369 SSRL BL9-2

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
2.1 50 99.3 -- 0.094 -- 3.7 51978 51614 0.0 3.0 31.6
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)
2.1 2.15 99.0 -- 0.324 2.7 3.7 3779

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 2.1 50.0 -- 0.0 51990 51545 2560 99.1 -- -- 0.236 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 2.1 2.11 943 55 -- 0.304 0.334 -- --
X Ray Diffraction 2.11 2.13 1012 47 -- 0.304 0.334 -- --
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model ISOTROPIC
Mean Isotropic B 34.7
Anisotropic B[1][1] 9.568
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.928
Anisotropic B[2][2] -8.225
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -1.343
RMS Deviations
Key Refinement Restraint Deviation
c_mcangle_it 2.282
c_scangle_it 2.952
c_mcbond_it 1.433
c_angle_deg 1.4
c_bond_d 0.006
c_scbond_it 2.043
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.316
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 6916
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 403

Software

Software
Software Name Purpose
HKL-2000 data collection
SCALEPACK data scaling
AMoRE phasing
CNS refinement version: 1.1
HKL-2000 data reduction