1W6T

Crystal Structure Of Octameric Enolase From Streptococcus pneumoniae


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
17.520% (W/V) PEG 1000, 0.3 M MGCL2, AND 0.1 M MES PH 7.5
Crystal Properties
Matthews coefficientSolvent content
2.7655.12

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 143.702α = 90
b = 143.702β = 90
c = 100.579γ = 90
Symmetry
Space GroupI 4

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARRESEARCH2002-02-20MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONMPG/DESY, HAMBURG BEAMLINE BW6MPG/DESY, HAMBURGBW6

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
12201000.0814.53.368907
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)
122.031000.42.63.4

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 1E9I2.110056519300899.80.150.1480.187RANDOM22.68
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]
1.081.08-2.16
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg37.834
r_dihedral_angle_4_deg17.511
r_dihedral_angle_3_deg13.494
r_dihedral_angle_1_deg5.11
r_scangle_it4.236
r_mcangle_it3.379
r_scbond_it3.183
r_mcbond_it2.679
r_angle_refined_deg1.752
r_angle_other_deg1.095
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg37.834
r_dihedral_angle_4_deg17.511
r_dihedral_angle_3_deg13.494
r_dihedral_angle_1_deg5.11
r_scangle_it4.236
r_mcangle_it3.379
r_scbond_it3.183
r_mcbond_it2.679
r_angle_refined_deg1.752
r_angle_other_deg1.095
r_mcbond_other0.577
r_nbd_refined0.204
r_symmetry_hbond_refined0.2
r_symmetry_vdw_other0.179
r_nbtor_refined0.176
r_nbd_other0.17
r_xyhbond_nbd_refined0.153
r_symmetry_vdw_refined0.138
r_chiral_restr0.097
r_nbtor_other0.083
r_bond_refined_d0.02
r_gen_planes_refined0.006
r_bond_other_d0.003
r_metal_ion_refined0.003
r_gen_planes_other0.002
r_xyhbond_nbd_other
r_metal_ion_other
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_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms6566
Nucleic Acid Atoms
Solvent Atoms535
Heterogen Atoms28

Software

Software
Software NamePurpose
REFMACrefinement
DENZOdata reduction
SCALEPACKdata scaling
EPMRphasing