3V2L

Structure of Anopheles gambiae odorant binding protein 20 bound to polyethylene glycol

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5.5	276	29% PEG 3350, 0.1M sodium citrate, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 276K

Crystal Properties
Matthews coefficient	Solvent content
2.21	44.32

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 34.577	α = 90
b = 38.229	β = 90
c = 89.912	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	NOIR-1		2010-01-29	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 4.2.2	1.0	ALS	4.2.2

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	38.23	98.8	0.082	7.7	4.13	16173	11263	2	2

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	1.66	100		0.429	2.5	4.17	1598

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (All)	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	MOLECULAR REPLACEMENT	THROUGHOUT	1.8	34	16173	11263	1123	97.11	0.1991	0.1942	0.2423	RANDOM	35.2965

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]
-1.64			3.4		-1.76

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.033
r_dihedral_angle_4_deg	20.59
r_dihedral_angle_3_deg	13.287
r_dihedral_angle_1_deg	4.717
r_scangle_it	3.174
r_scbond_it	1.902
r_angle_refined_deg	1.218
r_mcangle_it	1.064
r_mcbond_it	0.612
r_chiral_restr	0.084

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.033
r_dihedral_angle_4_deg	20.59
r_dihedral_angle_3_deg	13.287
r_dihedral_angle_1_deg	4.717
r_scangle_it	3.174
r_scbond_it	1.902
r_angle_refined_deg	1.218
r_mcangle_it	1.064
r_mcbond_it	0.612
r_chiral_restr	0.084
r_bond_refined_d	0.012
r_gen_planes_refined	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	916
Nucleic Acid Atoms
Solvent Atoms	100
Heterogen Atoms	13

Software

Software
Software Name	Purpose
d*TREK	data scaling
d*TREK	data reduction
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
Blu-Ice	data collection

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), 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.