2VSA

Structure and mode of action of a mosquitocidal holotoxin

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		8.5		3% (W/V) PEG-6000 0.1 M TRIS, PH 8.5 0.1 M KCL

Crystal Properties
Matthews coefficient	Solvent content
3.5	64.5

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 129.974	α = 90
b = 129.974	β = 90
c = 68.816	γ = 120

Symmetry
Space Group	P 3

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	MARREASEARCH		2005-09-26	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X06SA		SLS	X06SA

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (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	2.9	50	99.9	0.08	0.107	11.8	5.7		29077		2

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	2.9	3	99.9		0.33	0.46	4	5.8

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	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	PDB ENTRY 2CB4	2.89	50	26064	1398	94.3	0.189	0.187	0.239	RANDOM	58.99

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]
0.15	0.07		0.15		-0.22

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.408
r_dihedral_angle_3_deg	18.182
r_dihedral_angle_4_deg	17.927
r_dihedral_angle_1_deg	6.675
r_scangle_it	1.899
r_angle_refined_deg	1.39
r_scbond_it	1.228
r_mcangle_it	0.856
r_mcbond_it	0.491
r_symmetry_vdw_refined	0.393
r_nbtor_refined	0.322
r_nbd_refined	0.226
r_symmetry_hbond_refined	0.204
r_xyhbond_nbd_refined	0.154
r_chiral_restr	0.101
r_bond_refined_d	0.012
r_gen_planes_refined	0.004
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6737
Nucleic Acid Atoms
Solvent Atoms	110
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data reduction
XSCALE	data scaling
PHASER	phasing