2NRH

Crystal structure of conserved putative Baf family transcriptional activator from Campylobacter jejuni

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	6.5	294	100mM MES pH 6.5, 28% PEG MME 5K, 250mM ammonium phosphate, Vapor diffusion, temperature 294K

Crystal Properties
Matthews coefficient	Solvent content
2.5	50.8

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 58.288	α = 90
b = 73.972	β = 90
c = 116.812	γ = 90

Symmetry
Space Group	P 21 21 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	77	CCD	MAR CCD 165 mm		2006-10-29	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 31-ID		APS	31-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	2.3	62.5	99.8	0.093	0.093	17.6	7.1	23119	23073			54.3

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	2.3	2.42	99.9		0.933	0.933	1.7	7.1	3326

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	SAD	THROUGHOUT	2.3	20	23060	23035	1181	99.89	0.23	0.227	0.291	RANDOM	63.392

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]
0.16			-0.21		0.05

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.968
r_dihedral_angle_3_deg	20.054
r_dihedral_angle_4_deg	15.331
r_dihedral_angle_1_deg	7.527
r_scangle_it	3.76
r_scbond_it	2.594
r_mcangle_it	1.862
r_angle_refined_deg	1.75
r_mcbond_it	1.104
r_nbtor_refined	0.315

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.968
r_dihedral_angle_3_deg	20.054
r_dihedral_angle_4_deg	15.331
r_dihedral_angle_1_deg	7.527
r_scangle_it	3.76
r_scbond_it	2.594
r_mcangle_it	1.862
r_angle_refined_deg	1.75
r_mcbond_it	1.104
r_nbtor_refined	0.315
r_symmetry_vdw_refined	0.239
r_nbd_refined	0.217
r_symmetry_hbond_refined	0.167
r_xyhbond_nbd_refined	0.157
r_chiral_restr	0.124
r_bond_refined_d	0.02
r_gen_planes_refined	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3157
Nucleic Acid Atoms
Solvent Atoms	86
Heterogen Atoms	15

Software

Software
Software Name	Purpose
SCALA	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
MAR345	data collection
MOSFLM	data reduction
CCP4	data scaling
SHELXD	phasing

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.