3F0B

Staphylococcus aureus dihydrofolate reductase complexed with NADPH and 2,4-Diamino-5-[3-(3-methoxy-5-phenylphenyl)but-1-ynyl]-6-methylpyrimidine

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	NSLS BEAMLINE X29A
Synchrotron site	NSLS
Beamline	X29A
Temperature [K]	77.2
Detector technology	CCD
Collection date	2008-02-27
Detector	ADSC QUANTUM 315
Wavelength(s)	1.080900
Spacegroup name	P 61 2 2
Unit cell lengths	79.120, 79.120, 109.145
Unit cell angles	90.00, 90.00, 120.00

Refinement procedure

Resolution	25.350 - 2.100
R-factor	0.206
Rwork	0.203
R-free	0.25700
Structure solution method	FOURIER SYNTHESIS
Starting model (for MR)	Sa F98Y DHFR bound to Folate and NADPH (Dale et al. J.Mol.Biol. 1997 structure not deposited in the PDB).
RMSD bond length	0.011
RMSD bond angle	1.484
Data reduction software	DENZO
Data scaling software	SCALEPACK
Refinement software	REFMAC (5.2.0019)

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	25.350	2.150
High resolution limit [Å]	2.070	2.070
Rmerge	0.078	0.288
Number of reflections	11715
<I/σ(I)>	7.6	3.3
Completeness [%]	95.8	95
Redundancy	6	4.1

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, HANGING DROP	6.5	277	15 % PEG 10000, 150 mM Sodium acetate, 100 mM MES pH 6.5, 5 % Butyrlactone, VAPOR DIFFUSION, HANGING DROP, temperature 277K