3CZ2

Dimeric crystal structure of a pheromone binding protein from Apis mellifera 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	3CZY	PDB ENTRY 3CZY

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7	293	0.2M Magnesium chloride, 0.1M Tris, 17% PEG8000, pH7.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.16	43.13

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 35.862	α = 90
b = 75.513	β = 90
c = 84.307	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 QUANTUM 315	Tiroidal mirror	2006-12-13	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID23-1	0.886	ESRF	ID23-1

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	2.5	35	99.9	0.115	0.115	14.6	6.2	8426	8426			30.15

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)
	2.5	2.64	100		0.313	0.313	5.1	6.5	1214

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 3CZY	2.5	35	7568	7568	826	100	0.22578	0.22578	0.22017	0.23	0.27838	0.29	RANDOM	12.893

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]
1.85			-1.54		-0.31

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.272
r_dihedral_angle_3_deg	12.831
r_dihedral_angle_4_deg	6.888
r_dihedral_angle_1_deg	6.083
r_scangle_it	1.802
r_scbond_it	1.275
r_angle_refined_deg	1.213
r_angle_other_deg	0.866
r_mcangle_it	0.659
r_mcbond_it	0.624
r_symmetry_vdw_other	0.35
r_symmetry_vdw_refined	0.279
r_nbd_refined	0.212
r_nbd_other	0.184
r_nbtor_refined	0.174
r_xyhbond_nbd_refined	0.169
r_mcbond_other	0.101
r_nbtor_other	0.087
r_chiral_restr	0.065
r_symmetry_hbond_refined	0.038
r_bond_refined_d	0.012
r_bond_other_d	0.006
r_gen_planes_refined	0.004
r_gen_planes_other	0.001
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_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1813
Nucleic Acid Atoms
Solvent Atoms	23
Heterogen Atoms	7

Software

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