2CLB

The structure of the DPS-like protein from Sulfolobus solfataricus reveals a bacterioferritin-like di-metal binding site within a Dps- like dodecameric assembly


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
18.50.5 M LICL 9 % PEG 6000 0.01 CACL2 0.05 TRIS-CL PH 8.5
Crystal Properties
Matthews coefficientSolvent content
2.449

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 212.928α = 90
b = 212.928β = 90
c = 212.928γ = 90
Symmetry
Space GroupI 21 3

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARRESEARCH2005-06-26MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSSRL BEAMLINE BL9-2SSRLBL9-2

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
12.43090.30.0617.47.9565992
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)
12.42.49610.282.74.6

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 DIFFRACTIONMADTHROUGHOUT2.43053568289190.40.20.1990.222RANDOM25.67
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_deg33.538
r_dihedral_angle_4_deg17.796
r_dihedral_angle_3_deg14.584
r_dihedral_angle_1_deg4.613
r_scangle_it2.79
r_scbond_it1.936
r_mcangle_it1.088
r_mcbond_it0.966
r_angle_refined_deg0.899
r_angle_other_deg0.737
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg33.538
r_dihedral_angle_4_deg17.796
r_dihedral_angle_3_deg14.584
r_dihedral_angle_1_deg4.613
r_scangle_it2.79
r_scbond_it1.936
r_mcangle_it1.088
r_mcbond_it0.966
r_angle_refined_deg0.899
r_angle_other_deg0.737
r_symmetry_vdw_other0.244
r_symmetry_vdw_refined0.238
r_symmetry_hbond_refined0.201
r_nbd_refined0.197
r_xyhbond_nbd_refined0.174
r_nbtor_refined0.171
r_nbd_other0.166
r_nbtor_other0.08
r_chiral_restr0.046
r_bond_refined_d0.007
r_gen_planes_refined0.002
r_bond_other_d0.001
r_gen_planes_other0.001
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_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 Atoms10963
Nucleic Acid Atoms
Solvent Atoms121
Heterogen Atoms16

Software

Software
Software NamePurpose
REFMACrefinement
HKL-2000data reduction
HKL-2000data scaling
SOLVEphasing