2II8

Anabaena sensory rhodopsin transducer

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	4.2	293	100 mM sodium acetate, 10% (w/v) PEG 4000, pH 4.2, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.23	44.76

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 72.799	α = 90
b = 119.236	β = 90
c = 120.79	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			2005-04-13	M	SINGLE WAVELENGTH

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

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	2.1	50					62002

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	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	2.1	35.22	60426	4286	97.46	0.231	0.228	0.263	RANDOM	38.449

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]
0.03			-0.01		-0.02

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.05
r_dihedral_angle_3_deg	15.668
r_dihedral_angle_4_deg	9.822
r_dihedral_angle_1_deg	7.227
r_scangle_it	4.948
r_scbond_it	3.008
r_mcangle_it	2.291
r_angle_refined_deg	1.899
r_mcbond_it	1.473
r_nbtor_refined	0.312
r_symmetry_vdw_refined	0.309
r_symmetry_hbond_refined	0.287
r_nbd_refined	0.222
r_xyhbond_nbd_refined	0.205
r_chiral_restr	0.142
r_bond_refined_d	0.023
r_gen_planes_refined	0.009

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5943
Nucleic Acid Atoms
Solvent Atoms	582
Heterogen Atoms

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction