Experiment: 4NQ8

Crystal structure of a trap periplasmic solute binding protein from Bordetella bronchispeptica (bb3421), target EFI-510039, with density modeled as pantoate

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	Other		Same crystal form solved by Iodine SAD phasing.

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	8.5	298	Protein (36.0 mg/ml, 10 mM HEPES pH 7.5, 5 mM DTT); Reservoir (MCSG1(F10), 2.0 M Ammonium Sulfate 0.1 M Tris); Cryoprotection (20% reservoir, 80% of 2.0 M Lithium Sulfate, Ligand Copurified with Protein), VAPOR DIFFUSION, SITTING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.12	41.95

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 39.004	α = 99.21
b = 56.352	β = 92.01
c = 75.609	γ = 106.23

Symmetry
Space Group	P 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	RAYONIX MX-225	MIRRORS	2013-11-08	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 31-ID	0.9793	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	1.5	74.37	91.2	0.072	0.072	9.7	3.6	88845	88845			15.88

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	1.5	1.58	89.5		0.672	0.672	1.1	3.6	12703

Refinement

Statistics
Diffraction ID	Structure Solution Method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	FOURIER SYNTHESIS	Same crystal form solved by Iodine SAD phasing.	1.5	25.296	88820	88820	4383	91.22	0.1593	0.1579	0.1603	0.184	0.1853	RANDOM	21.9339

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
f_dihedral_angle_d	13.809
f_angle_d	1.263
f_chiral_restr	0.07
f_bond_d	0.01
f_plane_restr	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4550
Nucleic Acid Atoms
Solvent Atoms	711
Heterogen Atoms	32

Software

Software
Software Name	Purpose
SCALA	data scaling
PHENIX	refinement
PDB_EXTRACT	data extraction
MOSFLM	data reduction
PHENIX	phasing