2CCG

Crystal structure of His-tagged S. aureus thymidylate kinase complexed with thymidine monophosphate (TMP)

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	4TMK	PDB ENTRIES 4TMK AND 1GSI
experimental model	PDB	1GSI	PDB ENTRIES 4TMK AND 1GSI

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		6.6		1M LICL, 0.1M NA CACODYLATE PH6.6, 18% PEG 6000, pH 6.60

Crystal Properties
Matthews coefficient	Solvent content
2.1	40.83

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 54.54	α = 90
b = 51.27	β = 103.63
c = 72.94	γ = 90

Symmetry
Space Group	P 1 21 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 CCD	MIRRORS	2003-11-12	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-1		ESRF	ID14-1

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	30	89.2	0.04	25.1	3.4		15887		-1.5	37

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	2.3	2.38	49		0.25	4.6

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	PDB ENTRIES 4TMK AND 1GSI	2.3	29.16	15856	774	89.8	0.2	0.2	0.246	RANDOM	63.3

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]
6.08		8.53	3.58		-9.66

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	20.1
c_scangle_it	11.76
c_scbond_it	8.62
c_mcangle_it	7.21
c_mcbond_it	5.14
c_angle_deg	1.3
c_improper_angle_d	0.96
c_bond_d	0.007
c_bond_d_na
c_bond_d_prot
c_angle_d
c_angle_d_na
c_angle_d_prot
c_angle_deg_na
c_angle_deg_prot
c_dihedral_angle_d_na
c_dihedral_angle_d_prot
c_improper_angle_d_na
c_improper_angle_d_prot

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3218
Nucleic Acid Atoms
Solvent Atoms	100
Heterogen Atoms	42

Software

Software
Software Name	Purpose
CNS	refinement
DENZO	data reduction
SCALEPACK	data scaling
CNS	phasing