1YLF

X-ray crystal structure of BC1842 protein from Bacillus cereus, a member of the Rrf2 family of putative transcription regulators.

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	8.5	294	0.2 M Na Cl, 25% PEG 3350, Tris_Cl, pH 8.5, VAPOR DIFFUSION, SITTING DROP, temperature 294K

Crystal Properties
Matthews coefficient	Solvent content
2.5	49.4

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 73.08	α = 90
b = 73.08	β = 90
c = 157.68	γ = 120

Symmetry
Space Group	P 32 2 1

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	SBC-3		2003-10-22	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-ID	0.97917	APS	19-ID

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	2.5	40	98.3	0.101	0.068	25.2	17	17581	17282

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	2.5	2.57	83.6		0.517	0.469	2.02	5.8	1190

Refinement

Statistics
Diffraction ID	Structure Solution 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	2.5	40	17222	17222	1564	98.33	0.216	0.216	0.217	0.25	random	41.119

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]
-0.57	-0.29		-0.57		0.86

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	42.222
r_dihedral_angle_4_deg	16.477
r_dihedral_angle_3_deg	16.203
r_dihedral_angle_1_deg	5.774
r_scangle_it	3.826
r_scbond_it	2.596
r_mcangle_it	1.515
r_angle_refined_deg	1.474
r_mcbond_it	0.901
r_nbtor_refined	0.316

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	42.222
r_dihedral_angle_4_deg	16.477
r_dihedral_angle_3_deg	16.203
r_dihedral_angle_1_deg	5.774
r_scangle_it	3.826
r_scbond_it	2.596
r_mcangle_it	1.515
r_angle_refined_deg	1.474
r_mcbond_it	0.901
r_nbtor_refined	0.316
r_symmetry_hbond_refined	0.243
r_nbd_refined	0.236
r_symmetry_vdw_refined	0.226
r_xyhbond_nbd_refined	0.14
r_chiral_restr	0.092
r_bond_refined_d	0.016
r_gen_planes_refined	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2723
Nucleic Acid Atoms
Solvent Atoms	40
Heterogen Atoms	5

Software

Software
Software Name	Purpose
REFMAC	refinement
CNS	phasing
CNS	refinement
SCALEPACK	data scaling
PDB_EXTRACT	data extraction
HKL-2000	data reduction

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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.