2AYI

Wild-type AmpT from Thermus thermophilus

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	MPG/DESY, HAMBURG BEAMLINE BW6
Synchrotron site	MPG/DESY, HAMBURG
Beamline	BW6
Temperature [K]	100
Detector technology	CCD
Collection date	2004-07-26
Detector	MARRESEARCH
Spacegroup name	P 42
Unit cell lengths	246.472, 246.472, 51.135
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	20.000 - 3.700
R-factor	0.308
Rwork	0.308
R-free	0.32100
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	1zjc
Data reduction software	MOSFLM
Data scaling software	SCALA
Refinement software	CNS

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	20.000	3.900
High resolution limit [Å]	3.700	3.700
Rmerge	0.051	0.184
Number of reflections	32955
<I/σ(I)>	8.4	2.9
Completeness [%]	97.9	94.7
Redundancy	5.5

Crystallization Conditions

crystal ID	method	pH	temperature	details
1		8.5	294	Tris, calcium chloride, pH 8.5, VAPOR DIFFUSION, SITTING DROP, temperature 294K, pH 8.50