4G7X

Crystal structure of a complex between the CTXphi pIII N-terminal domain and the Vibrio cholerae TolA C-terminal domain

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6	293	25 % PEG 6000, 100 mM MES, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
1.91	35.73

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 43.38	α = 90
b = 46.16	β = 90
c = 101.63	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	100	CCD	MARMOSAIC 325 mm CCD	mirrors	2011-12-13	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL9-2	1.0	SSRL	BL9-2

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	1.44	39.9	99.6	0.042	27.3	6.9	37355	35426	2	4.4	19.8

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.44	1.48	95.5		0.329	4.4	4.6	257179

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation 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	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1.44	39.9	2	37355	35426	1865	99.66	0.206	0.206	0.216	RANDOM	14.936

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]
0.07			-0.46		0.39

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.143
r_dihedral_angle_4_deg	15.84
r_dihedral_angle_3_deg	11.743
r_dihedral_angle_1_deg	5.086
r_angle_refined_deg	0.974
r_chiral_restr	0.059
r_bond_refined_d	0.005
r_gen_planes_refined	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1484
Nucleic Acid Atoms
Solvent Atoms	197
Heterogen Atoms

Software

Software
Software Name	Purpose
Blu-Ice	data collection
PHASER	phasing
REFMAC	refinement
XDS	data reduction
XSCALE	data scaling

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 R01GM157729.