2X6W

Tailspike protein mutant E372Q of E.coli bacteriophage HK620 in complex with hexasaccharide


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 2VJIPDB ENTRY 2VJI

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP8.5293VAPOR DIFFUSION, HANGING DROP:PROTEIN CONCENTRATION 8MG/ML. BUFFER: 40MM TRIS, PH7.8,2 MM EDTA,0.2M NACL.RERVOIR: 100MM TRIS PH8.5,3.5 MNA-FORMIATE. DROPLET 1.5:1.5 MICRO LITER. 0.3 MICRO LITER 33MM HEXASACCHARIDE.TEMPERATURE 20 DEGREE CELSIUS.
Crystal Properties
Matthews coefficientSolvent content
2.1542.7

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 74.53α = 90
b = 74.53β = 90
c = 174.61γ = 120
Symmetry
Space GroupP 3 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARRESEARCHGLAS MIRROR2009-10-02MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONBESSY BEAMLINE 14.1BESSY14.1

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
11.3536.44980.0516.23.711467418.3
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)
11.351.3971.50.3432.6

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-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB ENTRY 2VJI1.3536.44114674607897.960.12420.122510.15565RANDOM10.631
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]
0.690.350.69-1.04
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg35.822
r_dihedral_angle_4_deg15.907
r_dihedral_angle_3_deg10.956
r_dihedral_angle_1_deg7.052
r_scangle_it4.903
r_scbond_it3.694
r_mcangle_it2.46
r_mcbond_it1.705
r_angle_refined_deg1.452
r_rigid_bond_restr1.323
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg35.822
r_dihedral_angle_4_deg15.907
r_dihedral_angle_3_deg10.956
r_dihedral_angle_1_deg7.052
r_scangle_it4.903
r_scbond_it3.694
r_mcangle_it2.46
r_mcbond_it1.705
r_angle_refined_deg1.452
r_rigid_bond_restr1.323
r_angle_other_deg1.17
r_mcbond_other0.543
r_chiral_restr0.098
r_bond_refined_d0.011
r_gen_planes_refined0.007
r_bond_other_d0.001
r_gen_planes_other0.001
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_sphericity_free
r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4525
Nucleic Acid Atoms
Solvent Atoms687
Heterogen Atoms98

Software

Software
Software NamePurpose
REFMACrefinement
XDSdata reduction
XSCALEdata scaling
PHASERphasing