1OBB

alpha-glucosidase A, AglA, from Thermotoga maritima in complex with maltose and NAD+

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	ROTATING ANODE
Source details	ENRAF-NONIUS FR571
Temperature [K]	100
Detector technology	IMAGE PLATE
Collection date	2001-11-15
Detector	MAR scanner 345 mm plate
Spacegroup name	P 1 21 1
Unit cell lengths	75.000, 85.700, 83.600
Unit cell angles	90.00, 106.00, 90.00

Refinement procedure

Resolution	17.650 - 1.900
R-factor	0.199
Rwork	0.199
R-free	0.23400 *
Structure solution method	MIRAS
RMSD bond length	0.013
RMSD bond angle	1.530 *
Data reduction software	DENZO
Data scaling software	SCALEPACK
Phasing software	SHARP
Refinement software	CNS (1.0)

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	25.000 *	1.990
High resolution limit [Å]	1.900	1.900
Rmerge	0.038 *	0.362 *
Number of reflections	77496
<I/σ(I)>	16.9	2.4
Completeness [%]	96.6 *	92.6 *
Redundancy	2.5 *	2.4 *

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	Vapor diffusion, hanging drop *	7 *		10% PEG 6000, 1M LICL, 0.1M TRIS/HCL PH4.6, 2MM MNCL2, 50MM MALTOSE, 50MM NAD+, pH 5.00

Crystallization Reagents in Literatures

ID	crystal ID	solution	reagent name	concentration (unit)	details
1	1	drop	protein	10 (mg/ml)
2	1	drop	Tris	50 (mM)	pH7.0
3	1	reservoir	PEG6000	10 (%(w/v))
4	1	reservoir		1 (M)
5	1	reservoir	Tris-HCl	100 (mM)	pH4.6
6	1	reservoir		2 (mM)