3FBQ

The crystal structure of the conserved domain protein from Bacillus anthracis

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7	289	2M (NH4)2SO4, 0.1M Tris and 0.2M Li2SO4, pH 7, VAPOR DIFFUSION, SITTING DROP, temperature 289K

Crystal Properties
Matthews coefficient	Solvent content
2.67	53.87

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 101.406	α = 90
b = 101.406	β = 90
c = 101.406	γ = 90

Symmetry
Space Group	P 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	ADSC QUANTUM 315	mirrors	2007-12-03	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-ID	0.9794, 0.9796	APS	19-ID

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	2.7	71.8	99.56	0.127	21.45	8.5	9267	9226	2	2	52

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	2.7	2.77	97.41		0.795	2.72	8.5	696

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MAD	THROUGHOUT	2.71	71.8	9267	9226	465	99.56	0.20952	0.20584	0.28285	RANDOM	39.118

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	44.788
r_dihedral_angle_3_deg	24.844
r_dihedral_angle_4_deg	16.404
r_dihedral_angle_1_deg	11.877
r_scangle_it	4.822
r_scbond_it	2.906
r_angle_refined_deg	2.556
r_mcangle_it	1.818
r_mcbond_it	0.953
r_chiral_restr	0.211

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	44.788
r_dihedral_angle_3_deg	24.844
r_dihedral_angle_4_deg	16.404
r_dihedral_angle_1_deg	11.877
r_scangle_it	4.822
r_scbond_it	2.906
r_angle_refined_deg	2.556
r_mcangle_it	1.818
r_mcbond_it	0.953
r_chiral_restr	0.211
r_bond_refined_d	0.023
r_gen_planes_refined	0.011

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2222
Nucleic Acid Atoms
Solvent Atoms	27
Heterogen Atoms

Software

Software
Software Name	Purpose
SBC-Collect	data collection
HKL-3000	phasing
REFMAC	refinement
HKL-3000	data reduction
HKL-3000	data scaling

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.