1JVY

Maltodextrin-binding protein variant D207C/A301GS/P316C with beta-mercaptoethanol mixed disulfides

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	NSLS BEAMLINE X12C
Synchrotron site	NSLS
Beamline	X12C
Temperature [K]	100
Detector technology	CCD
Collection date	2000-06-06
Detector	BRANDEIS - B1
Wavelength(s)	0.98
Spacegroup name	C 1 2 1
Unit cell lengths	103.200, 68.100, 56.340
Unit cell angles	90.00, 112.46, 90.00

Refinement procedure

Resolution	23.860 - 1.900
R-factor	0.207 *
Rwork	0.207
R-free	0.27300
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	1mdq
RMSD bond length	0.014
RMSD bond angle	1.600
Data reduction software	DENZO
Data scaling software	SCALEPACK
Phasing software	CNS
Refinement software	CNS

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	9999.000 *	2.500
High resolution limit [Å]	1.900	1.900
Rmerge	0.060
Total number of observations	127321 *
Number of reflections	28657
<I/σ(I)>		5.6
Completeness [%]	100.0	100
Redundancy	4.4

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, HANGING DROP	6.2	4 *	PEG 6000, sodium MES, maltose, sodium azide, beta-mercaptoethanol, pH 6.2, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystallization Reagents in Literatures

ID	crystal ID	solution	reagent name	concentration (unit)	details
1	1	drop	protein	2.5-10 (mg/ml)
2	1	drop	PEG6000	9-15 (%(w/v))
3	1	drop	MES-Na	10 (mM)
4	1	drop	maltose	1 (mM)
5	1	drop	sodium azide	0.02 (%)
6	1	reservoir	PEG6000	19-22 (%)