X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 5
Temperature 277.0
Details PEG MME 5K, ammonium sulphate, sodium acetate, pH 5.0, VAPOR DIFFUSION, SITTING DROP, temperature 277K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 46.41 α = 90
b = 60.31 β = 92.41
c = 89.43 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
IMAGE PLATE MARRESEARCH monochromator 2000-12-18
Diffraction Radiation
Monochromator Protocol
yes SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SSRL BEAMLINE BL7-1 1.08 SSRL BL7-1

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
1.75 80 97.96 0.044 0.044 -- 4.2 47410 47410 0.0 0.0 30.1
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)
1.75 1.84 94.0 0.46 0.46 1.8 3.2 6668

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 1.75 87.71 0.0 0.0 46443 46443 2472 97.96 0.2418 0.24181 0.24044 0.2677 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model Isotropic
Mean Isotropic B 15.042
Anisotropic B[1][1] 1.97
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.12
Anisotropic B[2][2] -0.55
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -1.41
RMS Deviations
Key Refinement Restraint Deviation
p_scangle_it 4.5
p_mcangle_it 1.5
p_mcbond_it 0.014
p_scbond_it 3.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3450
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 122

Software

Software
Software Name Purpose
CCP4 model building
REFMAC refinement version: 5.0
MOSFLM data reduction
CCP4 data scaling version: (SCALA)
CCP4 phasing