2VZN

Crystal structure of the major allergen from fire ant venom, Sol i 3

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8.5		THE HANGING-DROP VAPOR WATER (9.9 MG/ML) WAS MIXED WITH RESERVOIR SOLUTION (19% (W/V) POLYETHYLENE GLYCOL (PEG) 1000, 100 MM TRIS-HCL, PH 8.5) AT A RATIO OF 1:1.

Crystal Properties
Matthews coefficient	Solvent content
3.77	67

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 93.355	α = 90
b = 93.355	β = 90
c = 144.051	γ = 120

Symmetry
Space Group	P 61

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		2007-02-02	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)	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	3.04	80.85	96.6	0.1	9.07	2.68		13121

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	3.04	3.07	96.6		0.4	1.37	2.52

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 1QNX	3.05	30	13061	652	96.3	0.203	0.201	0.239	RANDOM	47.89

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]
0.163	0.082		0.163		-0.245

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.234
r_dihedral_angle_4_deg	22.279
r_dihedral_angle_3_deg	16.365
r_dihedral_angle_1_deg	6.196
r_scangle_it	2.311
r_scbond_it	1.559
r_mcangle_it	1.029
r_angle_refined_deg	1.016
r_mcbond_it	0.692
r_symmetry_vdw_refined	0.247
r_nbd_refined	0.208
r_nbtor_refined	0.182
r_xyhbond_nbd_refined	0.115
r_symmetry_hbond_refined	0.115
r_chiral_restr	0.062
r_bond_refined_d	0.008
r_gen_planes_refined	0.003
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	3219
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling
PHASER	phasing