4O4A | pdb_00004o4a

2.75 Angstrom Crystal Structure of Putative Lipoprotein from Bacillus anthracis.

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.5	295	Protein: 7.2 mG/mL, 0.5 M Sodium chloride, 0.01 M Tris-HCL buffer pH 8.3; Screen: Classics II (F8), 0.2M Ammonium sulfate, 0.1M HEPES pH 7.5, 25% (w/v) PEG 3350, VAPOR DIFFUSION, SITTING DROP, temperature 295K

Crystal Properties
Matthews coefficient	Solvent content
2.56	51.98

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 122.556	α = 90
b = 122.556	β = 90
c = 107.354	γ = 90

Symmetry
Space Group	P 42 21 2

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	MARMOSAIC 225 mm CCD	Beryllium lenses	2013-10-21	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 21-ID-F	0.97872	APS	21-ID-F

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	2.75	30	99.8	0.092	0.092	27.5	9.6	21759	21759		-3	70.9

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	2.75	2.8	100		0.543	0.543	4.7	9.9	1055

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	SAD	THROUGHOUT	2.75	29.96	20596	20596	1107	99.36	0.21137	0.21137	0.20918	0.2152	0.25278	0.2596	RANDOM	65.046

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]
0.32			0.32		-0.65

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	24.498
r_dihedral_angle_4_deg	15.924
r_dihedral_angle_3_deg	11.437
r_long_range_B_refined	8.337
r_long_range_B_other	8.334
r_scangle_other	5.881
r_mcangle_it	4.439
r_mcangle_other	4.438
r_scbond_it	3.884
r_scbond_other	3.784
r_mcbond_it	2.755
r_mcbond_other	2.755
r_dihedral_angle_1_deg	2.747
r_angle_refined_deg	1.558
r_angle_other_deg	1.128
r_chiral_restr	0.084
r_bond_refined_d	0.01
r_gen_planes_refined	0.006
r_bond_other_d	0.005
r_gen_planes_other	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4628
Nucleic Acid Atoms
Solvent Atoms	91
Heterogen Atoms	46

Software

Software
Software Name	Purpose
Blu-Ice	data collection
SHELXS	phasing
REFMAC	refinement
HKL-3000	data reduction
HKL-3000	data scaling