Experiment: 2F8X

Crystal structure of activated Notch, CSL and MAML on HES-1 promoter DNA sequence

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1TTU	PDB entries: 1TTU and 2F8Y
experimental model	PDB	2F8Y	PDB entries: 1TTU and 2F8Y

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	HANGING DROP	7.9	298	50mM HEPES, 6% PEG 3350, and 5% ethylene glycol, pH 7.9, HANGING DROP, temperature 298K

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 273.866	α = 90
b = 273.866	β = 90
c = 121.016	γ = 120

Symmetry
Space Group	P 63 2 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray		CCD	ADSC QUANTUM 4		2005-07-10	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-ID	0.9796	APS	19-ID

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Sym I (Observed)	Net I Over Average Sigma (I)	Redundancy	Number Reflections (All)	Number Reflections (Observed)	Observed Criterion Sigma (F)	Observed Criterion Sigma (I)	B (Isotropic) From Wilson Plot
1	3.25	44.82	91.1	0.084	19.7	3.6	79964	72848

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	3.25	3.45	89.3		0.411	3.3	3.5	11314

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB entries: 1TTU and 2F8Y	3.25	44.82	79964	72848	3688	91.1	0.241	0.241	0.222	0.2202	0.257	0.2468	random	89.29

Temperature Factor Modeling
Anisotropic B[1][1]	Anisotropic B[1][2]	Anisotropic B[1][3]	Anisotropic B[2][2]	Anisotropic B[2][3]	Anisotropic B[3][3]
12.481	4.194		12.481		-24.963

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	22.7
c_angle_deg	1.6
c_improper_angle_d	1.21
c_bond_d	0.01

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5497
Nucleic Acid Atoms	732
Solvent Atoms	10
Heterogen Atoms

Software

Software
Software Name	Purpose
CNS	refinement
PDB_EXTRACT	data extraction
HKL-2000	data reduction
SCALEPACK	data scaling
MOLREP	phasing