2WMK

Crystal structure of the catalytic module of a family 98 glycoside hydrolase from Streptococcus pneumoniae SP3-BS71 (Sp3GH98) in complex with the A-LewisY pentasaccharide blood group antigen.


X-RAY DIFFRACTION

Crystallization

Crystal Properties
Matthews coefficientSolvent content
2.3446.94

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 97.9α = 90
b = 153.7β = 90
c = 90.88γ = 90
Symmetry
Space GroupP 21 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray292CCDADSC QUANTUM 315rMSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSSRL BEAMLINE BL7-1SSRLBL7-1

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
11.94099.10.1114.56.71020912

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-Work (Depositor)R-Work (DCC)R-Free (Depositor)R-Free (DCC)R-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONOTHERTHROUGHOUTNONE1.929.12102091537199.030.164810.162480.160.20960.21RANDOM12.809
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
r_dihedral_angle_2_deg36.859
r_dihedral_angle_4_deg21.562
r_dihedral_angle_3_deg14.199
r_dihedral_angle_1_deg6.934
r_scangle_it4.01
r_scbond_it2.694
r_angle_refined_deg1.666
r_mcangle_it1.645
r_mcbond_it1.117
r_nbtor_refined0.313
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms9359
Nucleic Acid Atoms
Solvent Atoms974
Heterogen Atoms120

Software

Software
Software NamePurpose
REFMACrefinement