1U7F

Crystal Structure of the phosphorylated Smad3/Smad4 heterotrimeric complex

Experimental procedure

Experimental method	MAD
Source type	SYNCHROTRON
Source details	APS BEAMLINE 14-BM-C
Synchrotron site	APS
Beamline	14-BM-C
Temperature [K]	103
Detector technology	CCD
Collection date	2003-03-08
Detector	ADSC QUANTUM 4
Wavelength(s)	1.0
Spacegroup name	P 21 21 21
Unit cell lengths	48.471, 60.545, 205.779
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	100.000 - 2.600
Rwork	0.232
R-free	0.24700
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	1khx
RMSD bond length	0.008
RMSD bond angle	1.700
Data reduction software	DENZO
Data scaling software	SCALEPACK
Phasing software	CNS
Refinement software	CNS

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	100.000	2.600
High resolution limit [Å]	2.500	2.500
Rmerge	0.052
Number of reflections	20128
<I/σ(I)>	27.5	3
Completeness [%]	92.4	87.2
Redundancy	5.3

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, HANGING DROP	7.5	298	50 mM Tris-HCl, 0-15 mM magnesium chloride, 5-15% ethanol, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K
1	VAPOR DIFFUSION, HANGING DROP	7.5	298	50 mM Tris-HCl, 0-15 mM magnesium chloride, 5-15% ethanol, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K