1ZUJ

The crystal structure of the Lactococcus lactis MG1363 DpsA protein

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	298	1.7M ammonium sulphate, 0.1M HEPES/Na, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
3.26	58.1

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 131.84	α = 90
b = 131.84	β = 90
c = 325.7	γ = 120

Symmetry
Space Group	H 3 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	298	CCD	ADSC QUANTUM 4	Mirrors	2001-12-05	M	SINGLE WAVELENGTH
2	1	x-ray	298	CCD	ADSC QUANTUM 4	Mirrors	2001-12-05	M	SINGLE WAVELENGTH
1,2	1

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SRS BEAMLINE PX14.1	1.488	SRS	PX14.1
2	SYNCHROTRON	SRS BEAMLINE PX14.1	1.488	SRS	PX14.1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym 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	2.9	15	94.5	0.078	0.078	6.7	2.6	22949	22949			77.4

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1,2	2.9	3.06	93.8		0.382	0.382	1.7	2.6	3298

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB entry 1ZS3	2.9	15	20210	20210	1098	87.06	0.25622	0.25622	0.25256	0.32216	RANDOM	53.953

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]
1.35	0.67		1.35		-2.02

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	10.114
r_scangle_it	2.173
r_angle_refined_deg	1.566
r_scbond_it	1.224
r_mcangle_it	0.973
r_angle_other_deg	0.933
r_mcbond_it	0.504
r_symmetry_vdw_refined	0.277
r_nbd_refined	0.253
r_nbd_other	0.231
r_symmetry_vdw_other	0.211
r_xyhbond_nbd_refined	0.18
r_chiral_restr	0.096
r_nbtor_other	0.093
r_symmetry_hbond_refined	0.021
r_bond_refined_d	0.014
r_gen_planes_refined	0.005
r_gen_planes_other	0.003
r_bond_other_d	0.002
r_dihedral_angle_2_deg
r_dihedral_angle_3_deg
r_dihedral_angle_4_deg
r_nbtor_refined
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_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5544
Nucleic Acid Atoms
Solvent Atoms	45
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
MOSFLM	data reduction
CCP4	data scaling
TNT	phasing