3LIC

Crystal Structure of the extracellular domain of the putative histidine kinase soHK1S-Z6

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	5.8	293	5% PEG3350, 0.5M NH4SO4, 0.1M Na Citrate pH 5.8, vapor diffusion, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.7	54.44

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 133.069	α = 90
b = 133.069	β = 90
c = 32.369	γ = 120

Symmetry
Space Group	P 31 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				M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X4A	0.97927, 0.97937, 0.96789	NSLS	X4A

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	2.3	50	100	0.068	15.2	6.9		28506

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)
	2.3	2.38	100		0.225		6.3	2823

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	MAD	THROUGHOUT	2.3	38.41	14789	745	99.96	0.184	0.181	0.245	RANDOM	27.186

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]
0.61	0.31		0.61		-0.92

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.183
r_dihedral_angle_4_deg	24.141
r_dihedral_angle_3_deg	17.895
r_dihedral_angle_1_deg	7.477
r_scangle_it	5.325
r_scbond_it	3.397
r_mcangle_it	2.229
r_angle_refined_deg	1.956
r_mcbond_it	1.218
r_chiral_restr	0.152
r_bond_refined_d	0.022
r_gen_planes_refined	0.011

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2098
Nucleic Acid Atoms
Solvent Atoms	111
Heterogen Atoms	4

Software

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