1YGS

CRYSTAL STRUCTURE OF THE SMAD4 TUMOR SUPPRESSOR C-TERMINAL DOMAIN

Experimental procedure

Source type	SYNCHROTRON
Source details	CHESS BEAMLINE A1
Synchrotron site	CHESS
Beamline	A1
Temperature [K]	110
Detector technology	CCD
Collection date	1997-07-04
Spacegroup name	F 41 3 2
Unit cell lengths	197.842, 197.842, 197.842
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	6.000 - 2.100
R-factor	0.219
Rwork	0.219
R-free	0.27900
Structure solution method	MIR
RMSD bond length	0.008
RMSD bond angle	1.538
Data reduction software	DENZO
Data scaling software	SCALEPACK
Phasing software	SQUASH
Refinement software	X-PLOR

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	99.000	2.180
High resolution limit [Å]	2.100	2.100
Rmerge	0.065 *
Total number of observations	30691 *
Number of reflections	18650
<I/σ(I)>	32	9.9
Completeness [%]	93.5	93.1
Redundancy	5.2	4.2

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	Vapor diffusion, hanging drop *	6.5	4 *	100 MM NAMES, PH6.5, 25% PEG MONOMETHYLETHER 5000, 5 MM DTT, 200 MM (NH4)2SO4

Crystallization Reagents in Literatures

ID	crystal ID	solution	reagent name	concentration (unit)	details
1	1	drop	protein	10-15 (mg/ml)
2	1	reservoir	MES	100 (mM)
3	1	reservoir	mPEG5000	25 (%)
4	1	reservoir	ammonium sulfate	200 (mM)	pH6.5