X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.2
Temperature 281.16
Details ammonium sulfate, sodium citrate, phosphate buffer, pH 6.2, VAPOR DIFFUSION, HANGING DROP, temperature 281.16K, pH 6.20

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 62.76 α = 90
b = 62.76 β = 90
c = 81.94 γ = 120
Symmetry
Space Group P 61 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 315 MIRRORS 2004-07-17
Diffraction Radiation
Monochromator Protocol
SINGLE CRYSTAL SI(111) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SSRL BEAMLINE BL11-1 -- SSRL BL11-1

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
2.5 81.7 96.2 0.0111 -- -- 9.4 -- 3494 -- 1.0 --
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)
2.5 2.56 97.8 0.403 -- 4.6 9.9 --

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 2.5 81.7 -- 2.0 3631 3494 167 96.2 -- 0.248 0.248 0.302 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 29.07
RMS Deviations
Key Refinement Restraint Deviation
c_angle_deg 1.75
c_bond_d 0.006
c_improper_angle_d 0.9
c_dihedral_angle_d 24.85
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 758
Nucleic Acid Atoms 0
Heterogen Atoms 33
Solvent Atoms 36

Software

Software
Software Name Purpose
MOSFLM data reduction
MOLREP phasing
CNS refinement