2R1Y

Crystal structure of S25-2 Fab in complex with Kdo analogues


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION8300PEG 4000, ethelyene glycol, pH 8.0, VAPOR DIFFUSION, temperature 300K
Crystal Properties
Matthews coefficientSolvent content
2.5351.39

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 45.74α = 90
b = 81.42β = 90
c = 131.41γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATERIGAKU RAXIS IV++2007-05-25MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU1.54

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
11.619.9498.80.05111.44.1964881
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)
1.61.661000.3243.13.546480

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (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 REPLACEMENTTHROUGHOUT1.619.9464877329498.80.230.2290.255RANDOM24.61
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]
0.25-0.13-0.12
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg37.11
r_dihedral_angle_4_deg20.583
r_dihedral_angle_3_deg13.021
r_dihedral_angle_1_deg6.285
r_scangle_it3.17
r_scbond_it2.23
r_angle_refined_deg1.461
r_mcangle_it1.431
r_mcbond_it0.905
r_nbtor_refined0.301
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg37.11
r_dihedral_angle_4_deg20.583
r_dihedral_angle_3_deg13.021
r_dihedral_angle_1_deg6.285
r_scangle_it3.17
r_scbond_it2.23
r_angle_refined_deg1.461
r_mcangle_it1.431
r_mcbond_it0.905
r_nbtor_refined0.301
r_nbd_refined0.209
r_symmetry_vdw_refined0.203
r_xyhbond_nbd_refined0.108
r_chiral_restr0.101
r_symmetry_hbond_refined0.099
r_metal_ion_refined0.088
r_bond_refined_d0.013
r_gen_planes_refined0.006
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3345
Nucleic Acid Atoms
Solvent Atoms354
Heterogen Atoms36

Software

Software
Software NamePurpose
d*TREKdata scaling
PHASERphasing
REFMACrefinement
PDB_EXTRACTdata extraction
CrystalCleardata collection
CrystalCleardata reduction