5XT8

Magnesium bound apo structure of thymidylate kinase (form I) from Thermus thermophilus HB8

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	MICROBATCH		295	0.2M MgCl2.6H2O, 0.1M Tris hydrochloride, 30% PEG 4000

Crystal Properties
Matthews coefficient	Solvent content
2.2	44.8

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 39.62	α = 90
b = 80.72	β = 90
c = 122.79	γ = 90

Symmetry
Space Group	P 21 21 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	IMAGE PLATE	MAR scanner 345 mm plate		2012-07-10	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU ULTRAX 18	1.541

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	CC (Half)	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	48.87	97.2	0.103	0.998	14	10		26844

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2	2.05

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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	MOLECULAR REPLACEMENT	THROUGHOUT	5X7J	2.01	48.87	26777	1368	99.06	0.1773	0.1749	0.2224	RANDOM	23.2332

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]
-0.38			0.88		-0.5

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	30.992
r_dihedral_angle_4_deg	19.661
r_dihedral_angle_3_deg	14.129
r_dihedral_angle_1_deg	5.628
r_angle_other_deg	3.593
r_mcangle_it	3.389
r_mcbond_it	2.15
r_mcbond_other	2.15
r_angle_refined_deg	1.833
r_chiral_restr	0.1

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	30.992
r_dihedral_angle_4_deg	19.661
r_dihedral_angle_3_deg	14.129
r_dihedral_angle_1_deg	5.628
r_angle_other_deg	3.593
r_mcangle_it	3.389
r_mcbond_it	2.15
r_mcbond_other	2.15
r_angle_refined_deg	1.833
r_chiral_restr	0.1
r_bond_refined_d	0.018
r_gen_planes_other	0.012
r_gen_planes_refined	0.01
r_bond_other_d

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2981
Nucleic Acid Atoms
Solvent Atoms	212
Heterogen Atoms	29

Software

Software
Software Name	Purpose
REFMAC	refinement
PDB_EXTRACT	data extraction
iMOSFLM	data reduction
Aimless	data scaling
PHASER	phasing

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), 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.