3IPJ

The crystal structure of one domain of the PTS system, IIabc component from Clostridium difficile

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.5	298	0.005M Cobalt Chloride, 0.05M Nickel Chloride, 0.05M Cadmium Chloride, 0.05M Magnesium Chloride, 0.1M HEPES, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.19	43.77

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 37.635	α = 90
b = 34.734	β = 90.07
c = 72.195	γ = 90

Symmetry
Space Group	P 1 21 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	ADSC QUANTUM 315r	mirrors	2009-02-06	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-ID	0.9794	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	1.2	37.635	89.53	0.065	19.8	4.4	58676	52533	2	2

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	1.2	1.22	45.5		0.304	2.17	2.1

Refinement

Statistics
Diffraction ID	Structure Solution Method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	SAD	1.2	37.635	1.34	58676	52533	2791	89.53	0.1352	0.1334	0.1699

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]
-0.2501		0.9217	1.9165		-2.1995

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	16.211
f_angle_d	1.909
f_chiral_restr	0.114
f_bond_d	0.024
f_plane_restr	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1508
Nucleic Acid Atoms
Solvent Atoms	257
Heterogen Atoms	2

Software

Software
Software Name	Purpose
PHENIX	refinement
CNS	refinement
SBC-Collect	data collection
HKL-3000	data reduction
HKL-3000	data scaling
CNS	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.