3TZ4

Crystal structure of branched-chain alpha-ketoacid dehydrogenase kinase/S-alpha-chloroisocaproate complex with ADP

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	APS BEAMLINE 19-ID
Synchrotron site	APS
Beamline	19-ID
Temperature [K]	100
Detector technology	CCD
Collection date	2011-06-16
Detector	ADSC QUANTUM 315r
Wavelength(s)	0.97864
Spacegroup name	P 42 21 2
Unit cell lengths	127.953, 127.953, 73.399
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	45.129 - 2.250
R-factor	0.2021
Rwork	0.202
R-free	0.21280
Structure solution method	MOLECULAR REPLACEMENT
RMSD bond length	0.007
RMSD bond angle	1.106
Data reduction software	HKL-2000
Data scaling software	HKL-2000
Phasing software	PHENIX (1.7.1_743)
Refinement software	PHENIX ((phenix.refine: 1.7.1_743))

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	50.000	2.290
High resolution limit [Å]	2.250	2.250
Rmerge	0.052	0.932
Number of reflections	29447
<I/σ(I)>		2.48
Completeness [%]	99.8	100
Redundancy	7.9	8

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, HANGING DROP	7.5	289	14% peg8000, 0.1 M Tris, pH8.5, 1.2 M NaCl, 125mM KCl, 150mM Arg-HCl,20mM MgCl2, 5% glycerol , pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 289K