1N8V

Chemosensory Protein in complex with bromo-dodecanol

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	293	34% MPEG 2000, 0.1M Na cacodylate, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
1.69	26.58

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 33.46	α = 90
b = 54.18	β = 93.88
c = 56.38	γ = 90

Symmetry
Space Group	P 1 21 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	ADSC QUANTUM 4		2000-12-05	M	SAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-4	0.9197	ESRF	ID14-4

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	1.39	55	95.7	0.054	5.7	2.9	38354	38354	1	1

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	1.39	1.44	87		0.247	2.6

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	1.39	55	1	36789	36789	1544	95.64	0.1809	0.1809	0.18002	0.20178	RANDOM	14.18

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]
-0.06		0.34	0.31		-0.21

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_3_deg	13.063
r_scangle_it	3.843
r_dihedral_angle_1_deg	3.299
r_scbond_it	2.566
r_mcangle_it	1.436
r_angle_refined_deg	1.373
r_angle_other_deg	1.171
r_mcbond_it	0.771
r_xyhbond_nbd_other	0.321
r_nbd_refined	0.267
r_nbd_other	0.215
r_symmetry_hbond_refined	0.215
r_xyhbond_nbd_refined	0.213
r_symmetry_vdw_other	0.187
r_symmetry_vdw_refined	0.092
r_chiral_restr	0.089
r_gen_planes_other	0.073
r_symmetry_hbond_other	0.04
r_gen_planes_refined	0.025
r_bond_refined_d	0.011
r_bond_other_d	0.011

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1668
Nucleic Acid Atoms
Solvent Atoms	405
Heterogen Atoms	84

Software

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