6CUM

Crystal structure of a C-terminal proteolytic fragment of a protein annotated as an LAO/AO transport system ATPase but likely MeaB and MMAA-like GTPase from Mycobacterium smegmatis

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	ALS BEAMLINE 5.0.2
Synchrotron site	ALS
Beamline	5.0.2
Temperature [K]	100
Detector technology	CCD
Collection date	2010-07-10
Detector	ADSC QUANTUM 315r
Wavelength(s)	0.9999
Spacegroup name	P 31 2 1
Unit cell lengths	48.530, 48.530, 54.820
Unit cell angles	90.00, 90.00, 120.00

Refinement procedure

Resolution	19.622 - 1.600
R-factor	0.1774
Rwork	0.174
R-free	0.20800
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	2x 10-residue helices via Acrimboldo
Data reduction software	XDS
Data scaling software	XSCALE
Phasing software	Arcimboldo
Refinement software	PHENIX ((dev_3063))

Data quality characteristics

	Overall	Inner shell	Outer shell
Low resolution limit [Å]	19.622	19.622	1.640
High resolution limit [Å]	1.600	7.160	1.600
Rmerge	0.033	0.018	0.468
Rmeas	0.037	0.021	0.527
Number of reflections	10171	120	762
<I/σ(I)>	24.59	66.08	2.75
Completeness [%]	99.1	81.6	99.7
Redundancy	4.624	3.992	4.681
CC(1/2)	1.000	0.999	0.937

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, SITTING DROP	7	290	RigakuReagents JCSG+ screen, condition G7: 15% PEG 3350, 100mM succinic acid / NaOH pH 7.0: MysmA.00200.a.A1.PS00535 at 60.5mg/ml: cryo: 25% EG: tray: 215267 G7: puck DZB0-10: no protease was intentionally added