2YGU

Crystal structure of fire ant venom allergen, Sol I 2

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		9.2		PROTEIN WAS CRYSTALLIZED FROM 35% PEG 8000, 0.1M NAACETATE, PH 9.2 .

Crystal Properties
Matthews coefficient	Solvent content
2.1	41.4

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 110.211	α = 90
b = 139.16	β = 90
c = 62.093	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	MARMOSAIC 225 mm CCD		2008-07-09	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X06DA		SLS	X06DA

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	2.58	69.66	95	0.06	17.3	3.2		28662		1.9

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	2.58	2.72	86.3		0.28	3.8	2.3

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	SAD	THROUGHOUT	NONE	2.6	15	26886	1434	94.62	0.23887	0.23714	0.27046	RANDOM	29.676

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]
-0.33			-1.01		1.34

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.363
r_dihedral_angle_4_deg	16.98
r_dihedral_angle_3_deg	14.595
r_scangle_it	7.634
r_scbond_it	5.379
r_dihedral_angle_1_deg	4.236
r_mcangle_it	3.258
r_mcbond_it	2.12
r_angle_refined_deg	1.005
r_angle_other_deg	0.912
r_mcbond_other	0.682
r_symmetry_vdw_refined	0.241
r_nbd_refined	0.217
r_symmetry_vdw_other	0.207
r_nbtor_refined	0.171
r_symmetry_hbond_refined	0.17
r_nbd_other	0.169
r_xyhbond_nbd_refined	0.137
r_nbtor_other	0.083
r_chiral_restr	0.051
r_bond_refined_d	0.01
r_gen_planes_refined	0.004
r_bond_other_d	0.002
r_gen_planes_other	0.002
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_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	6872
Nucleic Acid Atoms
Solvent Atoms	79
Heterogen Atoms	56

Software

Software
Software Name	Purpose
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling
SHELX	phasing
SHARP	phasing
DM	phasing