1AB6

STRUCTURE OF CHEY MUTANT F14N, V86T

Experimental procedure

Source type	ROTATING ANODE
Source details	ELLIOTT GX-21
Temperature [K]	293
Detector technology	IMAGE PLATE
Collection date	1995-07
Detector	MARRESEARCH
Spacegroup name	P 31
Unit cell lengths	54.070, 54.070, 91.720
Unit cell angles	90.00, 90.00, 120.00

Refinement procedure

Resolution	10.000 - 2.200
R-factor	0.192
Rwork	0.192
R-free	0.28000
Structure solution method	MOLECULAR
Starting model (for MR)	3chy
RMSD bond length	0.008
RMSD bond angle	23.400 *
Data reduction software	XDS
Data scaling software	XDS
Phasing software	AMoRE
Refinement software	X-PLOR (3.843)

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	15.000	2.340
High resolution limit [Å]	2.200	2.200
Rmerge	0.048	0.290
Total number of observations	25441 *
Number of reflections	13544
Completeness [%]	86.0	55.6
Redundancy	1.8

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	Vapor diffusion, hanging drop *	7.2	293	THE PROTEIN WAS CRYSTALLIZED WITH 3.0M AMMONIUM SULFATE, PH7.2 AT 20C., temperature 293K

Crystallization Reagents in Literatures

ID	crystal ID	solution	reagent name	concentration (unit)	details
1	1	reservoir	ammonium sulfate	2.6-3.0 (M)
2	1	drop	protein	0.7 (mg/ml)
3	1	drop	ammonium sulfate	1.7-2.0 (M)
4	1	reservoir	Tris-HCl
5	1	drop	Tris-HCl