2HLV

Bovine Odorant Binding Protein deswapped triple mutant

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	298	26% (W/V) PEG 8000, 200 mM Ammonium Sulfate and 10 mM Na Acetate (pH 4.8), protein at 7.5 mg/ml, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.31	46.75

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 83.501	α = 90
b = 83.501	β = 90
c = 48.964	γ = 90

Symmetry
Space Group	P 41 21 2

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		2003-06-23	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 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	1.65	57	99.9	0.089	5.2		21290	21290

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.65	1.7	99.8		0.28	2	20

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	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1G85	1.65	30	21260	20168	1091	99.88	0.18589	0.18589	0.18451	0.21224	RANDOM	17.493

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]
-0.89			-0.89		1.78

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.411
r_dihedral_angle_4_deg	17.919
r_dihedral_angle_3_deg	14.954
r_dihedral_angle_1_deg	5.871
r_scangle_it	3.596
r_scbond_it	2.875
r_mcangle_it	1.662
r_mcbond_it	1.57
r_angle_refined_deg	1.317
r_angle_other_deg	0.785
r_xyhbond_nbd_other	0.319
r_symmetry_vdw_refined	0.228
r_symmetry_vdw_other	0.218
r_mcbond_other	0.215
r_symmetry_hbond_refined	0.211
r_nbd_other	0.21
r_nbd_refined	0.203
r_nbtor_refined	0.171
r_xyhbond_nbd_refined	0.169
r_chiral_restr	0.1
r_nbtor_other	0.082
r_bond_refined_d	0.012
r_gen_planes_refined	0.005
r_bond_other_d	0.003
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1205
Nucleic Acid Atoms
Solvent Atoms	131
Heterogen Atoms	20

Software

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