3GNU

Toxin fold as basis for microbial attack and plant defense

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8	293	0.1M HEPES-NaOH, 5.0M NaCl, 2% DTT, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.54	51.59

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 51.94	α = 90
b = 51.94	β = 90
c = 175.034	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	IMAGE PLATE	MAR scanner 345 mm plate	Osmic VariMaxHF mirror	2005-08-02	M	SINGLE WAVELENGTH
2	1	x-ray	100	CCD	MARMOSAIC 225 mm CCD		2005-10-23		MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU MICROMAX-007 HF	1.5418
2	SYNCHROTRON	SLS BEAMLINE X10SA	0.97644, 0.97936, 0.96862	SLS	X10SA

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	1.9	25	97.4	0.044		6.2	19827	19306		-3	25.481

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)
	1.9	2	90.1		0.331	0.331	4.7	4.4	2501

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	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	MAD	THROUGHOUT	1.9	24.9	19825	19294	965	100	0.181	0.179	0.222	RANDOM	20.16

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]
0.41			0.41		-0.82

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.806
r_dihedral_angle_4_deg	14.883
r_dihedral_angle_3_deg	12.924
r_dihedral_angle_1_deg	6.927
r_scangle_it	3.055
r_scbond_it	2.108
r_angle_refined_deg	1.521
r_mcangle_it	1.288
r_mcbond_it	0.796
r_nbtor_refined	0.309
r_symmetry_vdw_refined	0.255
r_nbd_refined	0.209
r_symmetry_hbond_refined	0.173
r_xyhbond_nbd_refined	0.144
r_chiral_restr	0.102
r_bond_refined_d	0.014
r_gen_planes_refined	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1687
Nucleic Acid Atoms
Solvent Atoms	234
Heterogen Atoms	9

Software

Software
Software Name	Purpose
XSCALE	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
MAR345dtb	data collection
XDS	data reduction
SnB	phasing