4LES

2.2 Angstrom Crystal Structure of Conserved Hypothetical Protein from Bacillus anthracis.

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	4.2	295	Protein: 7.4 mG/mL, 0.25 M Sodium chloride, 0.01 M Tris-HCL buffer pH 8.3; Screen: JSCG+ (C6), 0.1 M Phosphate-citrate buffer pH 4.2, 40% (v/v) PEG 300, VAPOR DIFFUSION, SITTING DROP, temperature 295K

Crystal Properties
Matthews coefficient	Solvent content
2.31	46.81

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 95.754	α = 90
b = 95.754	β = 90
c = 41.518	γ = 120

Symmetry
Space Group	P 63

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 300 mm CCD	Beryllium lenses	2013-06-17	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 21-ID-G	0.97856	APS	21-ID-G

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	2.2	30	100	0.052	32.2	6.4	11282	11282		-3	51

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	2.2	2.24	100		0.522	3.5	6.3	552

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	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	SAD	THROUGHOUT	2.2	29.34	10690	10690	538	99.89	0.17693	0.17693	0.17529	0.21151	RANDOM	65.726

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]
-0.07	-0.03		-0.07		0.23

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	29.021
r_dihedral_angle_4_deg	19.307
r_dihedral_angle_3_deg	9.974
r_long_range_B_refined	9.695
r_long_range_B_other	9.671
r_scangle_other	5.829
r_scbond_it	3.662
r_scbond_other	3.657
r_mcangle_it	3.289
r_mcangle_other	3.287
r_dihedral_angle_1_deg	3.275
r_mcbond_other	2.257
r_mcbond_it	2.256
r_angle_refined_deg	1.712
r_angle_other_deg	0.696
r_chiral_restr	0.094
r_bond_refined_d	0.011
r_gen_planes_refined	0.005
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1151
Nucleic Acid Atoms
Solvent Atoms	39
Heterogen Atoms	22

Software

Software
Software Name	Purpose
Blu-Ice	data collection
PHENIX	model building
REFMAC	refinement
HKL-3000	data reduction
HKL-3000	data scaling
PHENIX	phasing