4G06

Crystal structure of protein SP_0782 (7-79) from Streptococcus pneumoniae complexed with ssDNA. Northeast Structural Genomics Consortium (NESG) target SPR104

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	NSLS BEAMLINE X4C
Synchrotron site	NSLS
Beamline	X4C
Temperature [K]	100
Detector technology	CCD
Collection date	2012-06-12
Detector	MAR CCD 165 mm
Wavelength(s)	0.97915
Spacegroup name	P 41 21 2
Unit cell lengths	62.722, 62.722, 73.441
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	28.841 - 2.905
R-factor	0.208
Rwork	0.205
R-free	0.26300
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	3obh
RMSD bond length	0.009
RMSD bond angle	1.327
Data reduction software	HKL-2000
Data scaling software	SCALEPACK
Phasing software	BALBES
Refinement software	PHENIX (dev_988)

Data quality characteristics

	Overall
Low resolution limit [Å]	48.000
High resolution limit [Å]	2.900
Rmerge	0.097
Number of reflections	11389
<I/σ(I)>	7.7
Completeness [%]	92.2
Redundancy	1.9

Crystallization Conditions

crystal ID	method	pH	temperature	details
1		4.2	291	Protein solution: 100mM NaCl, 5mM DTT, 0.02% NaN3, 10mM Tris-HCl (pH 7.5), Reservoir solution:0.1M (NH4)2HPO4 0.1M Na3Citrate, PEG1K 40%, 3% Ethylene Glycol, macrobatch under oil, temperature 291K