1VWD

STREPTAVIDIN-CYCLO-AC-[CHPQFC]-NH2, PH 3.0

Experimental procedure

Temperature [K]	293
Detector technology	AREA DETECTOR
Detector	SIEMENS
Spacegroup name	I 41 2 2
Unit cell lengths	59.100, 59.100, 176.580
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	7.500 - 1.870
R-factor	0.179
Rwork	0.179
R-free	0.20900
RMSD bond length	0.018
RMSD bond angle	28.400 *
Data reduction software	SADIE
Data scaling software	SAINT
Phasing software	X-PLOR
Refinement software	X-PLOR

Data quality characteristics

	Overall
High resolution limit [Å]	1.810 *
Rmerge	0.060
Total number of observations	49331 *
Number of reflections	12200
Redundancy	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)	pH4.5
4	1	reservoir	ammonium sulfate	30 (%sat)
5	1	reservoir	potassium acetate	50 (mM)
6	1	reservoir		200 (mM)