4PEX

Structure of the E502A variant of sacteLam55A from Streptomyces sp. SirexAA-E in complex with glucose


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP6.5298Protein Solution (20 mg/ml protein, 0.05 M NaCl, and 0.010 M MOPS pH 7) mixed in a 1:1 ratio with the Well Solution (20% PEG 3350, 125mM NaCH02, and 100mM BTP pH 6.5). Cryoprotected with 20% PEG 3350, 125mM NaCH02, 75mM Glucose, 100mM BTP pH 6.5 and 15% ethylene glycol
Crystal Properties
Matthews coefficientSolvent content
2.2745.85

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 53.939α = 90
b = 100.055β = 92.31
c = 99.556γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 300 mm CCDmirrors and beryllium lenses2013-08-08MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 21-ID-G0.97857APS21-ID-G

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
11.665099.90.0827.23.712372615.89
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)
11.661.691000.5463.56191

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTFREE R-VALUE4PEW1.7524.2651.35104871525398.730.14230.14070.1721Random selection17.9898
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]
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d13.292
f_angle_d1.454
f_chiral_restr0.088
f_bond_d0.015
f_plane_restr0.008
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms8339
Nucleic Acid Atoms
Solvent Atoms869
Heterogen Atoms32

Software

Software
Software NamePurpose
PDB_EXTRACTdata extraction
PHASERphasing
PHENIXrefinement