3CZ0

Dimeric crystal structure of a pheromone binding protein from Apis mellifera in complex with the n-butyl benzene sulfonamide at pH 7.0

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3CYZ	PDB ENTRY 3CYZ

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7	293	0.2M magnesium chloride, 0.1M Tris, 15% PEG8000, pH7.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.06	40.36

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 34.56	α = 90
b = 75.167	β = 90
c = 83.798	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	ADSC Q4R 188	Tiroidal mirror	2006-10-10	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-3	0.931	ESRF	ID14-3

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	1.7	37.58	99.5	0.082	0.082	19.4	5.9	24649	24649			17.49

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	1.7	1.79	99.2		0.344	0.344	4	6	3512

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	FOURIER SYNTHESIS	THROUGHOUT	PDB ENTRY 3CYZ	1.7	30	23357	23357	1256	99.36	0.1528	0.1528	0.15077	0.16	0.19191	0.2	RANDOM	17.08

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]
1.72			-1.24		-0.49

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.137
r_dihedral_angle_3_deg	12.432
r_dihedral_angle_4_deg	12.274
r_dihedral_angle_1_deg	5.363
r_scangle_it	2.732
r_scbond_it	2.03
r_angle_refined_deg	1.391
r_angle_other_deg	1.114
r_mcangle_it	1.095
r_mcbond_it	1.021
r_symmetry_vdw_refined	0.247
r_nbd_refined	0.223
r_symmetry_vdw_other	0.218
r_mcbond_other	0.211
r_nbd_other	0.191
r_nbtor_refined	0.181
r_symmetry_hbond_refined	0.172
r_xyhbond_nbd_refined	0.171
r_chiral_restr	0.152
r_nbtor_other	0.089
r_bond_refined_d	0.013
r_bond_other_d	0.008
r_gen_planes_refined	0.006
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1813
Nucleic Acid Atoms
Solvent Atoms	252
Heterogen Atoms	50

Software

Software
Software Name	Purpose
REFMAC	refinement
ADSC	data collection
MOSFLM	data reduction
SCALA	data scaling
REFMAC	phasing