1OX7

Crystal structure of yeast cytosine deaminase apo-enzyme: inorganic zinc bound

Experimental procedure

Experimental method	MAD
Source type	SYNCHROTRON
Source details	ALS BEAMLINE 5.0.2
Synchrotron site	ALS
Beamline	5.0.2
Temperature [K]	100
Detector technology	CCD
Collection date	2002-09-16
Detector	ADSC QUANTUM 210
Wavelength(s)	0.9795
Spacegroup name	P 21 21 21
Unit cell lengths	54.491, 70.467, 71.941
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	20.000 * - 1.430
R-factor	0.163
Rwork	0.163
R-free	0.17900
Structure solution method	SAD
RMSD bond length	0.008
RMSD bond angle	1.370 *
Data reduction software	HKL-2000
Data scaling software	SCALEPACK
Phasing software	CNS
Refinement software	CNS (1.1)

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	20.000	1.480
High resolution limit [Å]	1.430	1.430
Rmerge	0.042 *	0.165
Number of reflections	98785
<I/σ(I)>	27.4	9.5
Completeness [%]	99.9	99.7
Redundancy	7.4

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	Vapor diffusion, hanging drop *	6.5	4. *	PEG 8000, calcium acetate, sodium cacodylate, pH 6.5, streak seeding, temperature 277K

Crystallization Reagents in Literatures

ID	crystal ID	solution	reagent name	concentration (unit)	details
1	1	drop	PEG8000	30 (%)
2	1	drop	sodium acetate	0.2 (M)
3	1	drop	sodium cacodylate	0.1 (M)
4	1	drop	protein	10 (mg/ml)
5	1	reservoir	PEG8000	22-25 (%)
6	1	reservoir	sodium acetate	0.2 (M)
7	1	reservoir	sodium cacodylate	0.1 (M)