3LIF

Crystal Structure of the extracellular domain of the putative histidine kinase rpHK1S-Z16

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	5.6	293	0.2M NH4Ac, 0.1M citrate pH5.6, 30% MPD, vapor diffusion, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
4.57	73.08

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 184.78	α = 90
b = 184.78	β = 90
c = 184.78	γ = 90

Symmetry
Space Group	P 43 3 2

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	0.97918, 0.97935, 0.96788	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	2.7	50	100	0.065	12.4	12.9		56039

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)
	2.7	2.8	100		0.352		12.9	5606

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	2.7	42.39	30163	1500	99.96	0.208	0.205	0.256	RANDOM	41.753

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]

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.527
r_dihedral_angle_3_deg	23.511
r_dihedral_angle_4_deg	21.5
r_dihedral_angle_1_deg	15.295
r_scangle_it	4.576
r_scbond_it	2.75
r_angle_refined_deg	2.417
r_mcangle_it	1.886
r_mcbond_it	0.991
r_chiral_restr	0.183
r_bond_refined_d	0.021
r_gen_planes_refined	0.012

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3834
Nucleic Acid Atoms
Solvent Atoms	93
Heterogen Atoms	42

Software

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