1ORG

The crystal structure of a pheromone binding protein from the cockroach Leucophaea maderae reveals a new mechanism of pheromone binding

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	8	293	Tris, PEG 2000, pH 8.0, VAPOR DIFFUSION, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.58	52

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 43.303	α = 118.13
b = 44.93	β = 93.18
c = 45.562	γ = 107.15

Symmetry
Space Group	P 1

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	mirrors	2002-07-23	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE BM14	0.97887	ESRF	BM14

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	1.7	25	96	0.045	8		29653	29653

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	1.7	1.79	94.8		0.045	2.4	5.8

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	SAD	THROUGHOUT	1.7	20	2.4	29000	26680	2971	95.77	0.184	0.18404	0.18073	0.21366	RANDOM	24.378

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]
-0.79	-0.56	-1.57	0.38	0.12	0.02

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	4.775
r_scangle_it	3.549
r_scbond_it	2.337
r_angle_refined_deg	1.427
r_mcangle_it	1.277
r_mcbond_it	0.721
r_nbd_refined	0.219
r_symmetry_hbond_refined	0.213
r_symmetry_vdw_refined	0.188
r_xyhbond_nbd_refined	0.159

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	4.775
r_scangle_it	3.549
r_scbond_it	2.337
r_angle_refined_deg	1.427
r_mcangle_it	1.277
r_mcbond_it	0.721
r_nbd_refined	0.219
r_symmetry_hbond_refined	0.213
r_symmetry_vdw_refined	0.188
r_xyhbond_nbd_refined	0.159
r_chiral_restr	0.084
r_bond_refined_d	0.016
r_gen_planes_refined	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1803
Nucleic Acid Atoms
Solvent Atoms	187
Heterogen Atoms	12

Software

Software
Software Name	Purpose
REFMAC	refinement
DENZO	data reduction
CCP4	data scaling
SOLVE	phasing

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.