4PF0

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


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 4PEW 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP6298Protein 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, 200mM NaC2H302, and 100mM BTP pH 6.0). Cryoprotected with 20% PEG 3350, 200mM NaC2H302, 25mM laminaritetraose, 100mM BTP pH 6.0 and 15% ethylene glycol
Crystal Properties
Matthews coefficientSolvent content
2.4249.07

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 54.098α = 90
b = 100.96β = 91.09
c = 104.176γ = 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
11.645099.50.0966.6413625815.66
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)
11.641.6796.90.4483.1

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-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTFREE R-VALUE4PEW1.7530.31.35112136563599.60.1520.1510.182
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_d12.08
f_angle_d1.134
f_chiral_restr0.047
f_bond_d0.007
f_plane_restr0.006
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms8325
Nucleic Acid Atoms
Solvent Atoms1356
Heterogen Atoms254

Software

Software
Software NamePurpose
PHENIXrefinement
PDB_EXTRACTdata extraction
PHASERphasing
DENZOdata reduction
SCALEPACKdata scaling