4J8Q

Crystal structure of a NigD-like protein (BF0700) from Bacteroides fragilis NCTC 9343 at 2.50 A resolution

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP		277	0.2M ammonium nitrate, 20% polyethylene glycol 3350, NANODROP, VAPOR DIFFUSION, SITTING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.7	54.45

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 79.556	α = 90
b = 124.425	β = 90
c = 56.072	γ = 90

Symmetry
Space Group	C 2 2 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	PIXEL	DECTRIS PILATUS 6M	Flat mirror (vertical focusing); single crystal Si(111) bent monochromator (horizontal focusing)	2013-01-24	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL11-1	0.91837,0.97944,0.97853	SSRL	BL11-1

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	2.5	28.767	90.2	0.1	7.6			9419		-3	50.17

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	2.5	2.59	92		0.6	1.5

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	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	2.5	28.767	9409	452	94.73	0.1986	0.1962	0.2505	RANDOM	44.2726

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]
2.51			-1.6		-0.91

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	30.509
r_dihedral_angle_3_deg	16.255
r_dihedral_angle_4_deg	12.637
r_dihedral_angle_1_deg	6.602
r_mcangle_it	5.868
r_mcbond_it	3.573
r_mcbond_other	3.551
r_angle_refined_deg	1.156
r_angle_other_deg	0.687
r_chiral_restr	0.068

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	30.509
r_dihedral_angle_3_deg	16.255
r_dihedral_angle_4_deg	12.637
r_dihedral_angle_1_deg	6.602
r_mcangle_it	5.868
r_mcbond_it	3.573
r_mcbond_other	3.551
r_angle_refined_deg	1.156
r_angle_other_deg	0.687
r_chiral_restr	0.068
r_bond_refined_d	0.008
r_gen_planes_refined	0.004
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1541
Nucleic Acid Atoms
Solvent Atoms	52
Heterogen Atoms	4

Software

Software
Software Name	Purpose
MolProbity	model building
PDB_EXTRACT	data extraction
SHELX	phasing
SHARP	phasing
XSCALE	data scaling
REFMAC	refinement
XDS	data reduction
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.