3F1L

The 0.95 A structure of an oxidoreductase, yciK from E.coli


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 3F1K3F1K, ycik structure at 2.6A resolution, solved by MAD and SAD phasing

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP7.52950.1M HEPES pH 7.5, 0.1M sodium nitrate, 16 % w/v polyethylene glycol 8000, vapor diffusion, hanging drop, temperature 295K
Crystal Properties
Matthews coefficientSolvent content
1.9837.84

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 53.871α = 90
b = 66.803β = 109.03
c = 65.053γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMAR CCD 300 mmSi(III) Monochromator2007-04-26MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 21-ID-D0.9184APS21-ID-D

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)Net I Over Average Sigma (I)RedundancyNumber Reflections (All)Number Reflections (Observed)Observed Criterion Sigma (F)Observed Criterion Sigma (I)B (Isotropic) From Wilson Plot
10.9545.2486.70.0628.94.442368138.3
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
0.950.9880.90.3852.84.5422049

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT3F1K, ycik structure at 2.6A resolution, solved by MAD and SAD phasing0.9534.136236747183086.650.1710.1710.192RANDOM18.207
Temperature Factor Modeling
Anisotropic B[1][1]Anisotropic B[1][2]Anisotropic B[1][3]Anisotropic B[2][2]Anisotropic B[2][3]Anisotropic B[3][3]
-0.5680.425-0.2050.772
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d12.72
f_angle_d0.915
f_chiral_restr0.073
f_bond_d0.005
f_plane_restr0.005
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms7611
Nucleic Acid Atoms
Solvent Atoms763
Heterogen Atoms

Software

Software
Software NamePurpose
d*TREKdata processing
PHENIXrefinement
PDB_EXTRACTdata extraction
d*TREKdata scaling
PHENIXphasing