2NOA

The structure of deoxycytidine kinase complexed with lamivudine and ADP.

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	298	Reservoir containing 0.95-1.5M trisodium citrate dihydrate and 100mM HEPES, pH 7.5., VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.24	45.15

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 52.64	α = 90
b = 134.24	β = 90
c = 154.86	γ = 90

Symmetry
Space Group	C 2 2 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	CCD	MARMOSAIC 225 mm CCD	mirrors	2005-11-20	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 22-BM	1.0	APS	22-BM

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	1.8	30	95.2	0.059	12	3.1	52519	50033		-3	24

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)
	1.8	1.9	74.8		0.435	2.3	2.4	6265

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	1P5Z	1.8	30	44606	5027	94.48	0.19659	0.1925	0.23328	RANDOM	27.138

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]
-0.68			0.68

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	40.355
r_dihedral_angle_4_deg	16.941
r_dihedral_angle_3_deg	15.777
r_dihedral_angle_1_deg	5.841
r_scangle_it	3.833
r_scbond_it	2.57
r_mcangle_it	1.817
r_angle_refined_deg	1.665
r_mcbond_it	1.125
r_nbtor_refined	0.31
r_symmetry_vdw_refined	0.293
r_nbd_refined	0.198
r_xyhbond_nbd_refined	0.162
r_symmetry_hbond_refined	0.153
r_chiral_restr	0.112
r_bond_refined_d	0.015
r_gen_planes_refined	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3856
Nucleic Acid Atoms
Solvent Atoms	197
Heterogen Atoms	84

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data reduction
XSCALE	data scaling
MOLREP	phasing