2TMK

YEAST THYMIDYLATE KINASE COMPLEXED WITH 3'-AZIDO-3'-DEOXYTHYMIDINE MONOPHOSPHATE (AZT-MP)

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1TMK	PDB ENTRY 1TMK

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7.5		22% PEG 5000 MME 100 MM HEPES PH 7.5 200 MM AMMONIUM SULFATE

Crystal Properties
Matthews coefficient	Solvent content
2.53	50

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 37.42	α = 90
b = 144.2	β = 110.9
c = 49.72	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	277	IMAGE PLATE	MACSCIENCE	COLLIMATOR	1996-10-16	M

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1		ENRAF-NONIUS

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Sym 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	2.4	10	93.3	0.083	10	3		17930

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	2.4	2.49	89.4		0.268	4

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	ISOMORPHOUS WITH 1TMP	THROUGHOUT	PDB ENTRY 1TMK	2.4	10	17930	850	93.3	0.182	0.182	0.253	RANDOM

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
x_dihedral_angle_d	21.9
x_angle_deg	1.84
x_improper_angle_d	1.28
x_bond_d	0.008
x_bond_d_na
x_bond_d_prot
x_angle_d
x_angle_d_na
x_angle_d_prot
x_angle_deg_na
x_angle_deg_prot
x_dihedral_angle_d_na
x_dihedral_angle_d_prot
x_improper_angle_d_na
x_improper_angle_d_prot
x_mcbond_it
x_mcangle_it
x_scbond_it
x_scangle_it

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3306
Nucleic Acid Atoms	46
Solvent Atoms	166
Heterogen Atoms

Software

Software
Software Name	Purpose
X-PLOR	model building
X-PLOR	refinement
DENZO	data reduction
SCALEPACK	data scaling
X-PLOR	phasing