2RTK

STREPTAVIDIN-GLYCOLURIL COMPLEX, PH 2.58, SPACE GROUP I4122 PREPARED FROM AN APOSTREPTAVIDIN CRYSTAL

Experimental procedure

Detector technology	IMAGE PLATE
Detector	RIGAKU RAXIS IV
Spacegroup name	I 41 2 2
Unit cell lengths	58.200, 58.200, 176.660
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	7.500 - 1.820
R-factor	0.196
Rwork	0.196
R-free	0.27600
RMSD bond length	0.020
RMSD bond angle	23.900 *
Data reduction software	bioteX ((MSC))
Phasing software	X-PLOR
Refinement software	X-PLOR

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]		1.900
High resolution limit [Å]	1.380 *	1.820
Rmerge	0.092
Total number of observations	31257 *
Number of reflections	13194
Completeness [%]	60.0	33.1
Redundancy	2.4	2.4

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	Vapor diffusion, hanging drop *	4.5 *	20 *	Pahler, A., (1987) J. Biol. Chem., 262, 13933. *

Crystallization Reagents in Literatures

ID	crystal ID	solution	reagent name	concentration (unit)	details
1	1	drop	protein	10-20 (mg/ml)
2	1	drop	potassium acetate	50 (mM)
3	1	drop		200 (mM)
4	1	reservoir	ammonium sulfate	30 (%sat)