1MMY

Crystal structure of galactose mutarotase from Lactococcus lactis complexed with D-quinovose

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	ROTATING ANODE
Source details	RIGAKU RU200
Temperature [K]	277
Detector technology	AREA DETECTOR
Collection date	2002-05-17
Detector	SIEMENS HI-STAR
Wavelength(s)	1.5418
Spacegroup name	P 21 21 21
Unit cell lengths	44.900, 76.300, 210.800
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	30.000 - 1.850
R-factor	0.171
Rwork	0.168
R-free	0.22700
Structure solution method	FOURIER SYNTHESIS
Starting model (for MR)	1l7j
RMSD bond length	0.013
RMSD bond angle	18.700 *
Data reduction software	SAINT
Data scaling software	SAINT
Phasing software	TNT
Refinement software	TNT

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	30.000	1.930
High resolution limit [Å]	1.850	1.850
Rmerge	0.063 *	0.251 *
Number of reflections	60843	6968 *
<I/σ(I)>	12	3
Completeness [%]	96.4	94.1
Redundancy	2.2	1.7

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	Vapor diffusion *	6	277	PEG-5000-OMe, MES, D-quinovose, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystallization Reagents in Literatures

ID	crystal ID	solution	reagent name	concentration (unit)	details
1	1	reservoir	PEG5000 MME	15-19 (%)
2	1	reservoir	MES	100 (mM)	pH6.0
3	1	drop	enzyme	17.5 (mg/ml)