3CG4

Crystal structure of response regulator receiver domain protein (CheY-like) from Methanospirillum hungatei JF-1

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.5	294	100mM Bis-Tris pH 6.5, 25% PEG 3350, 200mM Sodium chloride, 10% Glycerol, VAPOR DIFFUSION, SITTING DROP, temperature 294K

Crystal Properties
Matthews coefficient	Solvent content
2.13	42.24

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 69.454	α = 90
b = 69.454	β = 90
c = 49.14	γ = 120

Symmetry
Space Group	P 65

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	77	CCD	MAR CCD 165 mm		2007-03-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 31-ID	0.9793	APS	31-ID

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	1.61	20.63	99.2	0.104	11.6	17.4		17659		-5	20.433

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	1.61	1.69	96.3		0.95	3	15.2

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	SAD	THROUGHOUT	1.61	20	16936	555	99.19	0.20213	0.20136	0.22596	RANDOM	23.159

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]
0.67	0.34		0.67		-1.01

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.263
r_dihedral_angle_3_deg	13.347
r_dihedral_angle_4_deg	11.065
r_scangle_it	7.057
r_scbond_it	5.49
r_dihedral_angle_1_deg	5.199
r_mcangle_it	4.095
r_mcbond_it	3.311
r_angle_refined_deg	1.312
r_nbtor_refined	0.304
r_symmetry_hbond_refined	0.192
r_nbd_refined	0.171
r_xyhbond_nbd_refined	0.168
r_symmetry_vdw_refined	0.117
r_chiral_restr	0.095
r_bond_refined_d	0.01
r_gen_planes_refined	0.005
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	969
Nucleic Acid Atoms
Solvent Atoms	106
Heterogen Atoms	13

Software

Software
Software Name	Purpose
SHELX	model building
REFMAC	refinement
MAR345	data collection
MOSFLM	data reduction
SCALA	data scaling
SHELXCD	phasing
SHELXE	model building