1S96

The 2.0 A X-ray structure of Guanylate Kinase from E.coli

Experimental procedure

Experimental method	SAD
Source type	SYNCHROTRON
Source details	ALS BEAMLINE 5.0.2
Synchrotron site	ALS
Beamline	5.0.2
Temperature [K]	110
Detector technology	CCD
Collection date	2002-08-22
Detector	ADSC QUANTUM 4
Wavelength(s)	0.97934
Spacegroup name	P 21 3
Unit cell lengths	124.552, 124.552, 124.552
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	34.550 - 2.000
Rwork	0.195
R-free	0.24700
Structure solution method	SAD
RMSD bond length	0.024
RMSD bond angle	2.200
Data reduction software	DENZO
Data scaling software	SCALEPACK
Phasing software	SOLVE
Refinement software	CNS

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	34.550	2.130
High resolution limit [Å]	2.000	2.000
Rmerge	0.086
Number of reflections	46380
<I/σ(I)>	9
Completeness [%]	100.0	100
Redundancy	20

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, SITTING DROP	9.5	278	PEG 400, pH 9.5, VAPOR DIFFUSION, SITTING DROP, temperature 278K