1N8U

Chemosensory Protein in Complex with bromo-dodecanol

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1N8V	CSP complexed with bromo-dodecanol, form P 2<1>

Crystallization

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

Crystal Properties
Matthews coefficient	Solvent content
1.83	32.37

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 61.529	α = 90
b = 54.579	β = 116.59
c = 33.226	γ = 90

Symmetry
Space Group	C 1 2 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		2000-11-09	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 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	1.8	40	81.3	0.031	11.8	1.6	7693	7693	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)
	1.8	1.9	71		0.087	6.9

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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	MOLECULAR REPLACEMENT	THROUGHOUT	CSP complexed with bromo-dodecanol, form P 2<1>	1.8	38.63	1	7693	6730	683	80.74	0.19033	0.19033	0.18379	0.24571	RANDOM	18.038

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]
-0.96		-1.21	0.9		-1.02

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_3_deg	15.884
r_scangle_it	4.504
r_dihedral_angle_1_deg	3.962
r_scbond_it	2.953
r_angle_refined_deg	1.479
r_mcangle_it	1.429
r_angle_other_deg	0.794
r_mcbond_it	0.745
r_symmetry_hbond_refined	0.741
r_xyhbond_nbd_refined	0.266
r_symmetry_vdw_other	0.264
r_nbd_refined	0.239
r_nbd_other	0.207
r_symmetry_vdw_refined	0.19
r_xyhbond_nbd_other	0.138
r_chiral_restr	0.086
r_bond_refined_d	0.014
r_gen_planes_refined	0.006
r_gen_planes_other	0.003
r_bond_other_d	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	820
Nucleic Acid Atoms
Solvent Atoms	110
Heterogen Atoms	42

Software

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