3Q05

An induced fit mechanism regulates p53 DNA binding kinetics to confer sequence specificity

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	ESRF BEAMLINE ID23-2
Synchrotron site	ESRF
Beamline	ID23-2
Temperature [K]	85
Detector technology	CCD
Collection date	2009-02-13
Detector	MARMOSAIC 225 mm CCD
Wavelength(s)	0.87260
Spacegroup name	P 21 21 2
Unit cell lengths	163.298, 169.764, 55.664
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	41.070 - 2.400
R-factor	0.2397
Rwork	0.238
R-free	0.26670
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	PDB entries 1TUP 1c26
RMSD bond length	0.006
RMSD bond angle	1.201
Data reduction software	MOSFLM
Data scaling software	SCALA
Phasing software	AMoRE
Refinement software	CNS

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	41.070	2.530
High resolution limit [Å]	2.400	2.400
Number of reflections	59874
<I/σ(I)>	10.9	2.5
Completeness [%]	98.6	98.6

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, HANGING DROP	7	277	0.15M DL-Malic Acid [pH 7.0], 20% Polyethylene Glycol 3350, VAPOR DIFFUSION, HANGING DROP, temperature 277K