4P52

Crystal structure of homoserine kinase from Cytophaga hutchinsonii ATCC 33406, NYSGRC Target 032717.

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.2	298	0.2M Na2HPO4/KH2PO4, pH 6.2, 2.5M sodium chloride

Crystal Properties
Matthews coefficient	Solvent content
4.13	70.22

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 101.608	α = 90
b = 101.608	β = 90
c = 195.982	γ = 120

Symmetry
Space Group	P 64 2 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	RAYONIX MX225HE		2014-03-04	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 31-ID	0.9791	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	2.6	50	99.9	0.141	7.4	6.3		34842

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	2.6	2.64	100		0.769		5.7	1730

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	2.6	29.33	19067	960	99.94	0.1741	0.1723	0.209	RANDOM	39.363

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]
0.58			0.58		-1.17

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	41.886
r_dihedral_angle_4_deg	19.206
r_dihedral_angle_3_deg	15.236
r_dihedral_angle_1_deg	6.36
r_scbond_it	4.285
r_mcangle_it	3.338
r_mcbond_it	1.97
r_angle_refined_deg	1.474
r_chiral_restr	0.098
r_bond_refined_d	0.01

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	41.886
r_dihedral_angle_4_deg	19.206
r_dihedral_angle_3_deg	15.236
r_dihedral_angle_1_deg	6.36
r_scbond_it	4.285
r_mcangle_it	3.338
r_mcbond_it	1.97
r_angle_refined_deg	1.474
r_chiral_restr	0.098
r_bond_refined_d	0.01
r_gen_planes_refined	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2329
Nucleic Acid Atoms
Solvent Atoms	122
Heterogen Atoms

Software

Software
Software Name	Purpose
SCALEPACK	data scaling
SHELX	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
PHENIX	model building
SHELXD	phasing

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.