2IZG

STREPTAVIDIN-BIOTIN PH 2.0 I222 COMPLEX

Experimental procedure

Source type	ROTATING ANODE
Source details	RIGAKU RU200
Detector technology	IMAGE PLATE
Detector	RIGAKU RAXIS IV
Spacegroup name	I 2 2 2
Unit cell lengths	95.313, 106.040, 47.880
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	7.500 - 1.360
R-factor	0.206
Rwork	0.206
R-free	0.23500
RMSD bond length	0.018
RMSD bond angle	25.400 *
Data reduction software	bioteX
Phasing software	X-PLOR
Refinement software	X-PLOR

Data quality characteristics

	Overall
High resolution limit [Å]	1.330 *
Rmerge	0.073
Total number of observations	415631 *
Number of reflections	43506
Redundancy	9.6

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	Vapor diffusion, hanging drop *	4 *	20 *	Pahler, A., (1987) J. Biol. Chem., 262, 13933. *

Crystallization Reagents in Literatures

ID	crystal ID	solution	reagent name	concentration (unit)	details
1	1	reservoir	ammonium sulfate	30-32 (%sat)
2	1	reservoir	potassium acetate	0.1 (M)
3	1	drop	protein	30 (mg/ml)