1ZY9

Crystal structure of Alpha-galactosidase (EC 3.2.1.22) (Melibiase) (tm1192) from Thermotoga maritima at 2.34 A resolution

Experimental procedure

Experimental method	MAD
Source type	SYNCHROTRON
Source details	SSRL BEAMLINE BL11-1
Synchrotron site	SSRL
Beamline	BL11-1
Temperature [K]	100
Detector technology	CCD
Collection date	2005-05-01
Detector	ADSC QUANTUM 315
Wavelength(s)	0.979413, 0.918370, 0.979170
Spacegroup name	C 2 2 21
Unit cell lengths	121.729, 160.533, 88.258
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	42.504 - 2.340
Rwork	0.162
R-free	0.21300
Structure solution method	MAD
RMSD bond length	0.018
RMSD bond angle	1.550
Data reduction software	XDS
Data scaling software	SCALA
Phasing software	SHELXD
Refinement software	REFMAC (5.2.0005)

Data quality characteristics

	Overall	Inner shell	Outer shell
Low resolution limit [Å]	42.880	42.880	2.470
High resolution limit [Å]	2.340	7.400	2.340
Rmerge	0.129	0.042	0.603
Number of reflections	35967
<I/σ(I)>	5.7	13.6	1.3
Completeness [%]	98.0
Redundancy	3.7	3.6	3.7

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, SITTING DROP, NANODROP	8.3	273	0.2M K3Cirtrate, 20.0% PEG-3350, No Buffer, pH 8.3, VAPOR DIFFUSION, SITTING DROP, NANODROP, temperature 273K