1ED9

STRUCTURE OF E. COLI ALKALINE PHOSPHATASE WITHOUT THE INORGANIC PHOSPHATE AT 1.75A RESOLUTION

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	ROTATING ANODE
Source details	RIGAKU RU200
Temperature [K]	298
Detector technology	AREA DETECTOR
Collection date	1997-03-31
Detector	UCSD MARK II
Spacegroup name	I 2 2 2
Unit cell lengths	194.470, 167.300, 76.551
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	15.000 - 1.750
R-factor	0.164 *
Rwork	0.196
R-free	0.23600 *
RMSD bond length	0.019 *
RMSD bond angle	0.037 *
Data reduction software	SDMS
Data scaling software	SDMS
Phasing software	X-PLOR
Refinement software	SHELXL-97

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	35.000	1.880
High resolution limit [Å]	1.750	1.750
Rmerge	0.064	0.328
Number of reflections	116126
<I/σ(I)>	14.4
Completeness [%]	92.0	75.1 *
Redundancy	3.3 *	1.76

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, HANGING DROP	9.5 *	298	Tris, ammonium sulfate, magnesium chloride, zinc chloride, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 298.0K

Crystallization Reagents in Literatures

ID	crystal ID	solution	reagent name	concentration (unit)	details
1	1	drop	protein	30 (mg/ml)
2	1	drop	ammonium sulfate	20 (%sat)
3	1	drop	Tris-HCl	100 (mM)
4	1	drop		10 (mM)
5	1	drop		0.01 (mM)
6	1	reservoir	ammonium sulfate	39-43 (%sat)