6E58

Crystal structure of Streptococcus pyogenes endo-beta-N-acetylglucosaminidase (EndoS2)


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 4NUYPDB entry 4NUY

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP298250 nL 7 mg/mL wild-type EndoS2 + 250 nL mother liquor (0.2 M sodium citrate tribasic, 0.1 M sodium citrate, pH 4, 20% w/v PEG3350) in sitting drops, followed by streak seeding into hanging drops (1 mL 6.6 mg/mL protein + 1 mL mother liquor, single plate-like crystals after three days)
Crystal Properties
Matthews coefficientSolvent content
3.3763.45

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 89.169α = 90
b = 105.829β = 90
c = 259.275γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS PILATUS 6M2017-05-11MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSSRL BEAMLINE BL12-20.979460SSRLBL12-2

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)Rrim I (All)Rpim I (All)CC (Half)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
12.7538.8993.90.1710.2040.1080.9756.13.260381
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Rrim I (All)Rpim I (All)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.752.8295.70.8531.0330.5690.3633

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 REPLACEMENTTHROUGHOUTPDB entry 4NUY2.7538.8871.3460280304293.210.21210.20930.26438.1406
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_d14.879
f_angle_d1.104
f_chiral_restr0.061
f_bond_d0.009
f_plane_restr0.007
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms12349
Nucleic Acid Atoms
Solvent Atoms280
Heterogen Atoms2

Software

Software
Software NamePurpose
XDSdata reduction
Aimlessdata scaling
PHENIXrefinement
PDB_EXTRACTdata extraction
MOLREPphasing