2CLB | pdb_00002clb

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

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		8.5		0.5 M LICL 9 % PEG 6000 0.01 CACL2 0.05 TRIS-CL PH 8.5

Crystal Properties
Matthews coefficient	Solvent content
2.4	49

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 212.928	α = 90
b = 212.928	β = 90
c = 212.928	γ = 90

Symmetry
Space Group	I 21 3

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	CCD	MARRESEARCH		2005-06-26	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL9-2		SSRL	BL9-2

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Net I Over Average Sigma (I)	Redundancy	Number Reflections (All)	Number Reflections (Observed)	Observed Criterion Sigma (F)	Observed Criterion Sigma (I)	B (Isotropic) From Wilson Plot
1	2.4	30	90.3	0.06	17.4	7.9		56599		2

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.4	2.49	61		0.28	2.7	4.6

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MAD	THROUGHOUT	2.4	30	53568	2891	90.4	0.2	0.199	0.2014	0.222	0.2251	RANDOM	25.67

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
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.538
r_dihedral_angle_4_deg	17.796
r_dihedral_angle_3_deg	14.584
r_dihedral_angle_1_deg	4.613
r_scangle_it	2.79
r_scbond_it	1.936
r_mcangle_it	1.088
r_mcbond_it	0.966
r_angle_refined_deg	0.899
r_angle_other_deg	0.737
r_symmetry_vdw_other	0.244
r_symmetry_vdw_refined	0.238
r_symmetry_hbond_refined	0.201
r_nbd_refined	0.197
r_xyhbond_nbd_refined	0.174
r_nbtor_refined	0.171
r_nbd_other	0.166
r_nbtor_other	0.08
r_chiral_restr	0.046
r_bond_refined_d	0.007
r_gen_planes_refined	0.002
r_bond_other_d	0.001
r_gen_planes_other	0.001
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 Atoms	Number
Protein Atoms	10963
Nucleic Acid Atoms
Solvent Atoms	121
Heterogen Atoms	16

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling
SOLVE	phasing