2RDM

Crystal structure of response regulator receiver protein from Sinorhizobium medicae WSM419

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	10	296	0.1M CAPS pH 10.0, 200mM Lithium sulfate, 1.2M Sodium dihydrogen phosphate, 800mM Potassium phosphate, 10% Glycerol, VAPOR DIFFUSION, SITTING DROP, temperature 296K

Crystal Properties
Matthews coefficient	Solvent content
2.23	44.76

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 122.593	α = 90
b = 58.657	β = 117.96
c = 60.301	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 315	Mirrors	2007-09-20	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X29A	0.97930	NSLS	X29A

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (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	1.76	50	99.4	0.046	0.038	9.8	3.8		37460			29.9

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.76	1.82	98.4		0.56	0.35	1.4	3.7

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	1.76	20	35959	1159	99.23	0.18872	0.18768	0.22006	RANDOM	40.363

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]
-3.68		-1.35	3.44		-1.03

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.363
r_dihedral_angle_4_deg	15.184
r_dihedral_angle_3_deg	13.707
r_scangle_it	7.651
r_scbond_it	5.311
r_dihedral_angle_1_deg	5.295
r_mcangle_it	4.805
r_mcbond_it	3.233
r_angle_refined_deg	1.269
r_nbtor_refined	0.299
r_nbd_refined	0.16
r_xyhbond_nbd_refined	0.146
r_symmetry_hbond_refined	0.144
r_symmetry_vdw_refined	0.13
r_chiral_restr	0.077
r_bond_refined_d	0.009
r_gen_planes_refined	0.004
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	2755
Nucleic Acid Atoms
Solvent Atoms	198
Heterogen Atoms	18

Software

Software
Software Name	Purpose
SHELXD	phasing
SHELXE	model building
REFMAC	refinement
ADSC	data collection
HKL-2000	data reduction
SCALEPACK	data scaling