1OKR

Three-dimensional structure of S.aureus methicillin-resistance regulating transcriptional repressor MecI.

Experimental procedure

Experimental method	MAD
Source type	SYNCHROTRON
Source details	ESRF BEAMLINE ID29
Synchrotron site	ESRF
Beamline	ID29
Temperature [K]	100
Detector technology	CCD
Detector	ADSC CCD
Wavelength(s)	0.97625,0.97915,0.97926, 0.96111
Spacegroup name	P 21 21 21
Unit cell lengths	66.050, 73.360, 74.680
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	50.000 - 2.400
R-factor	0.222
Rwork	0.218
R-free	0.29800
Structure solution method	MAD
RMSD bond length	0.018
RMSD bond angle	1.560 *
Data reduction software	MOSFLM
Data scaling software	SCALA
Phasing software	SnB
Refinement software	REFMAC (5.1.24)

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	66.100	2.530
High resolution limit [Å]	2.400	2.400
Rmerge	0.061	0.506
Total number of observations	61498 *
Number of reflections	14159 *
<I/σ(I)>	5.6	1.4
Completeness [%]	96.6	84.7
Redundancy	4.3	2.1

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	unknown *	7.4	277	20 MM TRIS-HCL PH 7.4, 0.2 M NACL AT 4 DEGREES.