3ZCJ

Crystal structure of Helicobacter pylori T4SS protein CagL in a tetragonal crystal form with a helical RGD-motif (6 Mol per ASU)

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION		277	PROTEIN CONCENTRATION: 10 MG/ML. RESERVOIR: 22.5% PEG 3350, 200 MM KCL. VAPOR DIFFUSION AT 277 K WITH DROP RATIO OF 1 TO 0.5 PROTEIN TO RESERVOIR.

Crystal Properties
Matthews coefficient	Solvent content
3.5	65

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 197.122	α = 90
b = 197.122	β = 90
c = 106.808	γ = 90

Symmetry
Space Group	P 43 21 2

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	MARRESEARCH		2011-10-31	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID23-2		ESRF	ID23-2

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	3.25	58.34	100	0.22	8.1	7.7		33724		-3	69.97

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	3.25	3.43	100		1.08	2	7.8

Refinement

Statistics
Diffraction ID	Structure Solution Method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	PDB ENTRY 3ZCI	3.25	55.965	1.35	33663	1706	99.96	0.2075	0.2051	0.2513	91.08

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]
4.8458			4.8458		-9.6915

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	15.222
f_angle_d	0.929
f_chiral_restr	0.053
f_bond_d	0.006
f_plane_restr	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	9370
Nucleic Acid Atoms
Solvent Atoms	6
Heterogen Atoms	66

Software

Software
Software Name	Purpose
PHENIX	refinement
XDS	data reduction
SCALA	data scaling
PHASER	phasing

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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.