1BKN

CRYSTAL STRUCTURE OF AN N-TERMINAL 40KD FRAGMENT OF E. COLI DNA MISMATCH REPAIR PROTEIN MUTL

Experimental procedure

Source type	ROTATING ANODE
Source details	RIGAKU RUH2R
Temperature [K]	95
Detector technology	IMAGE PLATE
Collection date	1997-08
Detector	RIGAKU RAXIS II
Spacegroup name	I 21 21 21
Unit cell lengths	87.200, 93.200, 221.700
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	20.000 - 2.900
R-factor	0.248
Rwork	0.248
R-free	0.30000
Structure solution method	SIRAS
RMSD bond length	0.005
RMSD bond angle	27.000 *
Data reduction software	HKL
Data scaling software	CCP4
Phasing software	MAMA
Refinement software	X-PLOR (3.851)

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	20.000	2.800
High resolution limit [Å]	2.700	2.700
Rmerge	0.074 *	0.696 *
Number of reflections	23519
<I/σ(I)>	8.3	1.1
Completeness [%]	96.5	84.6
Redundancy	4.5	2.7

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	Vapor diffusion, hanging drop *	6.6	20 *	pH 6.6

Crystallization Reagents in Literatures

ID	crystal ID	solution	reagent name	concentration (unit)	details
1	1	reservoir	bis-Tris propane	100 (mM)
2	1	reservoir	magnesium acetate	100 (mM)
3	1	reservoir	magnesium sulfate	100 (mM)
4	1	reservoir	dithiothreitol	2 (mM)
5	1	reservoir	PEG8000	20 (%)