Experiment: 3P57

Crystal structure of the p300 TAZ2 domain bound to MEF2 on DNA

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1EGW	PDB ENTRY 1EGW

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.8	288	16% PEG 1000, pH 6.8, VAPOR DIFFUSION, HANGING DROP, temperature 288K

Crystal Properties
Matthews coefficient	Solvent content
2.36	47.95

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 74.846	α = 90
b = 90.926	β = 90
c = 144.802	γ = 90

Symmetry
Space Group	P 21 21 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	CCD	ADSC QUANTUM 315r		2006-12-10	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 8.2.1	1	ALS	8.2.1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (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	2.09	30	99.9	0.087	0.061	27.3	7	65790	59524

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.09	2.16	100		0.709	0.66	1.95	5.2

Refinement

Statistics
Diffraction ID	Structure Solution Method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	PDB ENTRY 1EGW	2.1921	29.666	0.04	49213	4968	95.68	0.2247	0.2194	0.2105	0.2724	0.2649

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]
-1.2443			-0.0768		1.4876

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	21.607
f_angle_d	1.324
f_chiral_restr	0.08
f_bond_d	0.008
f_plane_restr	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5296
Nucleic Acid Atoms	1785
Solvent Atoms	262
Heterogen Atoms	3

Software

Software
Software Name	Purpose
PHENIX	refinement
CNS	refinement
PDB_EXTRACT	data extraction
ADSC	data collection
DENZO	data reduction
SCALEPACK	data scaling