3C3E

Crystal structure of 2-phospho-(S)-lactate transferase from Methanosarcina mazei in complex with Fo and GDP. Northeast Structural Genomics Consortium target MaR46

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	NSLS BEAMLINE X12C
Synchrotron site	NSLS
Beamline	X12C
Temperature [K]	100
Detector technology	CCD
Collection date	2005-12-11
Detector	ADSC QUANTUM 315
Wavelength(s)	0.97926
Spacegroup name	P 32
Unit cell lengths	186.544, 186.544, 67.790
Unit cell angles	90.00, 90.00, 120.00

Refinement procedure

Resolution	28.690 - 3.000
R-factor	0.206
Rwork	0.206
R-free	0.23700
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	3c3d
RMSD bond length	0.009
RMSD bond angle	1.200
Data reduction software	DENZO
Data scaling software	SCALEPACK
Phasing software	COMO
Refinement software	CNS (1.2)

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	28.690	3.110
High resolution limit [Å]	3.000	3.000
Rmerge	0.093	0.368
Number of reflections	49264
<I/σ(I)>	12.13	1.5
Completeness [%]	92.6	90.3
Redundancy	3	3.3

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, HANGING DROP	6.8	291	Protein solution: 10 mM Tris-HCl pH 7.5, 100 mM NaCl, 5 mM Fo, 5 mM GDP, 5 mM MgCl2, 5 mM DTT. Reservoir solution: 100 mM HEPES pH 6.8, 0.5% PEG 8000, 1.35 M Ammonium sulfate, VAPOR DIFFUSION, HANGING DROP, temperature 291K