2Q7B

Crystal structure of acetyltransferase (NP_689019.1) from Streptococcus agalactiae 2603 at 2.00 A resolution

Experimental procedure

Experimental method	MAD
Source type	SYNCHROTRON
Source details	SSRL BEAMLINE BL9-2
Synchrotron site	SSRL
Beamline	BL9-2
Temperature [K]	100
Detector technology	CCD
Collection date	2007-05-13
Detector	MARMOSAIC 325 mm CCD
Wavelength(s)	0.91837, 0.97932
Spacegroup name	P 31 2 1
Unit cell lengths	67.985, 67.985, 87.772
Unit cell angles	90.00, 90.00, 120.00

Refinement procedure

Resolution	29.437 - 2.000
R-factor	0.187
Rwork	0.185
R-free	0.22300
Structure solution method	MAD
RMSD bond length	0.018
RMSD bond angle	1.511
Data reduction software	MOSFLM
Data scaling software	SCALA
Phasing software	SOLVE
Refinement software	REFMAC (5.2.0005)

Data quality characteristics

	Overall	Inner shell	Outer shell
Low resolution limit [Å]	29.437	29.440	2.050
High resolution limit [Å]	2.000	8.940	2.000
Rmerge	0.102	0.043	1.229
Total number of observations		1616	10741
Number of reflections	16338
<I/σ(I)>	5.6	14.3	0.6
Completeness [%]	100.0	97.4	100
Redundancy	9.1	7.4	9.2

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, SITTING DROP	5	277	NANODROP, 10.0% PEG 6000, 0.1M Citrate pH 5.0, VAPOR DIFFUSION, SITTING DROP, temperature 277K