Experiment: 3GIO

Crystal structure of the TNF-alpha inducing protein (Tip alpha) from Helicobacter pylori

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7	295	100mM Tris-HCl (pH 7.0), 200mM calcium acetate, 20% (w/v) PEG 3000, VAPOR DIFFUSION, HANGING DROP, temperature 295K

Crystal Properties
Matthews coefficient	Solvent content
1.91	35.6

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 53.519	α = 90
b = 67.114	β = 90
c = 91.263	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	ADSC QUANTUM 315		2008-11-21	M	MAD
2	1	x-ray	100	CCD	ADSC QUANTUM 210		2009-02-20	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	PHOTON FACTORY BEAMLINE BL-5A	0.97912, 0.97885, 0.96000	Photon Factory	BL-5A
2	SYNCHROTRON	PAL/PLS BEAMLINE 4A	0.96000	PAL/PLS	4A

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	2.4	30	100	0.093	42.9	15.7		13650

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)
	2.4	2.49	100		0.422	7.2		1341

Refinement

Statistics
Diffraction ID	Structure Solution Method	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MAD	2.4	30	13147	12433	714		0.233	0.2333	0.241	0.2414	RANDOM

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]
-10.662			-0.251		10.913

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2390
Nucleic Acid Atoms
Solvent Atoms	70
Heterogen Atoms

Software

Software
Software Name	Purpose
HKL-2000	data collection
SOLVE	phasing
CNS	refinement
HKL-2000	data reduction
HKL-2000	data scaling