2QQY

Crystal structure of ferritin like, diiron-carboxylate proteins from Bacillus anthracis str. Ames


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
12890.5 M Lithium sulfate, 2 % PEG 8000, VAPOR DIFFUSION, SITTING DROP, temperature 289K
Crystal Properties
Matthews coefficientSolvent content
2.4549.74

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 100.225α = 90
b = 100.225β = 90
c = 100.225γ = 90
Symmetry
Space GroupI 2 3

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 315MIRRORS2007-07-03MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 19-IDAPS19-ID

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Sym 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
1231.6999.70.08615.239.611458
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
122.071000.43911.932.2

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONSADTHROUGHOUT231.691030410304112599.50.2020.1970.245RANDOM33.75
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_deg39.263
r_dihedral_angle_4_deg21.794
r_dihedral_angle_3_deg17.262
r_dihedral_angle_1_deg5.136
r_scangle_it4.944
r_scbond_it3.201
r_mcangle_it1.648
r_angle_refined_deg1.421
r_mcbond_it1.226
r_nbtor_refined0.303
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg39.263
r_dihedral_angle_4_deg21.794
r_dihedral_angle_3_deg17.262
r_dihedral_angle_1_deg5.136
r_scangle_it4.944
r_scbond_it3.201
r_mcangle_it1.648
r_angle_refined_deg1.421
r_mcbond_it1.226
r_nbtor_refined0.303
r_symmetry_vdw_refined0.254
r_nbd_refined0.217
r_xyhbond_nbd_refined0.175
r_symmetry_hbond_refined0.11
r_chiral_restr0.096
r_bond_refined_d0.019
r_gen_planes_refined0.006
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1122
Nucleic Acid Atoms
Solvent Atoms128
Heterogen Atoms

Software

Software
Software NamePurpose
REFMACrefinement
HKL-3000data reduction
HKL-3000data scaling
HKL-3000phasing
SHELXCDphasing
SHELXEmodel building
MLPHAREphasing
RESOLVEphasing