3BJH

Soft-SAD crystal structure of a pheromone binding protein from the honeybee Apis mellifera L.

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5.5	293	1.5M ammonium sulfate, 0.15M sodium citrate, pH5.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
3.12	60.63

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 75.386	α = 90
b = 86.289	β = 90
c = 50.698	γ = 90

Symmetry
Space Group	C 2 2 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 4	mirrors	2002-07-23	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-2	0.933	ESRF	ID14-2

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	1.6	37.8	99.6	0.062		5.2		22274	5.4

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	1.6	1.68	99.6		0.305	2.4	3.8

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	1.6	20	19846	2234	99.5	0.17495	0.17147	0.20645	RANDOM	32.369

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]
2.5			-1		-1.51

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.688
r_dihedral_angle_3_deg	13.954
r_dihedral_angle_4_deg	9.103
r_dihedral_angle_1_deg	5.609
r_scangle_it	1.968
r_angle_other_deg	1.798
r_scbond_it	1.513
r_angle_refined_deg	1.355
r_mcangle_it	1.013
r_mcbond_it	0.798
r_symmetry_vdw_refined	0.261
r_nbd_refined	0.224
r_mcbond_other	0.199
r_nbd_other	0.185
r_xyhbond_nbd_refined	0.185
r_nbtor_refined	0.18
r_symmetry_vdw_other	0.17
r_symmetry_hbond_refined	0.14
r_nbtor_other	0.091
r_chiral_restr	0.076
r_bond_refined_d	0.013
r_gen_planes_refined	0.006
r_bond_other_d	0.002
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	907
Nucleic Acid Atoms
Solvent Atoms	158
Heterogen Atoms	20

Software

Software
Software Name	Purpose
REFMAC	refinement
DENZO	data reduction
SCALA	data scaling
SOLVE	phasing