1B24

I-DMOI, INTRON-ENCODED ENDONUCLEASE

Experimental procedure

Experimental method	MAD
Source type	SYNCHROTRON
Source details	NSLS BEAMLINE X12C
Synchrotron site	NSLS
Beamline	X12C
Temperature [K]	100
Detector technology	CCD
Collection date	1997-09
Detector	BRANDEIS
Wavelength(s)	0.9300,0.9785,0.9789
Spacegroup name	C 1 2 1
Unit cell lengths	93.730, 37.220, 56.280
Unit cell angles	90.00, 112.80, 90.00

Refinement procedure

Resolution	10.000 - 2.200
R-factor	0.218 *
Rwork	0.218
R-free	0.32400
Structure solution method	MAD
RMSD bond length	0.007
RMSD bond angle	26.230 *
Data reduction software	DENZO
Data scaling software	SCALEPACK
Phasing software	PHASES
Refinement software	X-PLOR (3.851)

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	20.000	2.280
High resolution limit [Å]	2.200	2.200
Rmerge	0.059 *	0.070 *
Number of reflections	8884
<I/σ(I)>	32.3	24.7
Completeness [%]	98.5	97.4
Redundancy	11.1	6

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, HANGING DROP	8 *	310 *	HANGING DROP VAPOR-DIFFUSION METHOD: 4UL I-DMOI PROTEIN 1UL 20MM N-OCTYL-B- GLUCOPYRANOSIDE 4UL PRECIPITATING BUFFER: 30% PEG 3350 200MM SODIUM ACETATE 100MM TRIS-HCL PH 8.5, VAPOR DIFFUSION, HANGING DROP

Crystallization Reagents

ID	crystal ID	solution ID	reagent name	concentration	details
1	1	1	4UL I-DMOI PROTEIN
2	1	2	1UL 20MM N-OCTYL-B-GLUCOPYRANOSIDE
3	1	2	4UL PRECIPITATING BUFFER
4	1	2	30% PEG 3350
5	1	2	200MM SODIUM ACETATE
6	1	2	100MM TRIS-HCL PH 8.5

Crystallization Reagents in Literatures

ID	crystal ID	solution	reagent name	concentration (unit)	details
1	1	drop	protein	10 (mg/ml)
10	1	reservoir	Tris-HCl	100 (mM)
2	1	drop	Tris-HCl	5 (mM)
3	1	drop		150 (mM)
4	1	drop	ethylene glycol	10 (%)
5	1	drop	dithiothreitol	1 (mM)
6	1	reservoir	PEG3350	2-3 (%)
7	1	reservoir	sodium acetate	1-1.2 (M)
8	1	reservoir	ethylene glycol	10 (%)
9	1	reservoir	sodium/potassium phosphate	50 (mM)