1VQ3

Crystal structure of Phosphoribosylformylglycinamidine synthase, purS subunit (EC 6.3.5.3) (TM1244) from Thermotoga maritima at 1.90 A resolution

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	ALS BEAMLINE 8.2.1
Synchrotron site	ALS
Beamline	8.2.1
Temperature [K]	100
Detector technology	CCD
Collection date	2003-12-13
Detector	ADSC
Spacegroup name	P 21 21 21
Unit cell lengths	58.270, 73.433, 92.567
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	49.310 - 1.900
R-factor	0.1799
Rwork	0.178
R-free	0.23450
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	1t4a
RMSD bond length	0.017
RMSD bond angle	1.553
Data reduction software	MOSFLM
Data scaling software	SCALA (4.2))
Refinement software	REFMAC (5.2.0001)

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	49.310	1.950
High resolution limit [Å]	1.900	1.900
Number of reflections	29272
<I/σ(I)>	16.3	2.3
Completeness [%]	91.9	62.7
Redundancy	3.8	3

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION,SITTING DROP,NANODROP		277	20.0% Glycerol, 24.0% PEG-1500,, VAPOR DIFFUSION,SITTING DROP,NANODROP, temperature 277K