1E0D

UDP-N-Acetylmuramoyl-L-Alanine:D-Glutamate Ligase

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	ESRF BEAMLINE D2AM
Synchrotron site	ESRF
Beamline	D2AM
Temperature [K]	100
Detector technology	CCD
Collection date	1997-10-23
Detector	MARRESEARCH
Spacegroup name	P 43 21 2
Unit cell lengths	69.160, 69.160, 196.710
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	20.000 - 2.400
R-factor	0.213
Rwork	0.213
R-free	0.26200
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	2 DOMAINS FROM 1UAG
RMSD bond length	0.016
RMSD bond angle	24.300 *
Data reduction software	XDS
Phasing software	CNS (0.4)
Refinement software	CNS (0.4)

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	50.000	2.800
High resolution limit [Å]	2.400	2.400
Rmerge	0.088 *	0.212 *
Number of reflections	19294
<I/σ(I)>	13	3.7
Completeness [%]	98.9 *	99.9
Redundancy	7.3	6.1

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	Vapor diffusion, hanging drop *	7.5 *	15 *	drop solution was mixed with an equal volume of reservoir solution *

Crystallization Reagents in Literatures

ID	crystal ID	solution	reagent name	concentration (unit)	details
1	1	drop	protein	9.8 (mg/ml)
2	1	drop		1 (mM)
3	1	drop	dithiothreitol	1 (mM)
4	1	drop	HEPES	20 (mM)
5	1	reservoir	ammonium sulfate	1.5-1.7 (M)
6	1	reservoir	MES	100 (mM)
7	1	reservoir	MPD	5 (%(v/v))