6V8B

Crystal structure of the p300 acetyltransferase domain with AcCoA competitive inhibitor 1

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	5.5	277	INDEX F6. 25% PEG3350, 0.2 M Ammonium sulfate, 0.1 M BisTris pH 5.5

Crystal Properties
Matthews coefficient	Solvent content
2.52	51.09

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 45.782	α = 90
b = 105.01	β = 90
c = 168.93	γ = 90

Symmetry
Space Group	C 2 2 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	PIXEL	DECTRIS PILATUS3 6M		2018-10-13	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALBA BEAMLINE XALOC	0.97926	ALBA	XALOC

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	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	3.13	84.46	99.3	0.244	0.299	0.123	0.958	9.1	6.2		7489

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	3.13	3.3	99.7		0.826	0.968	0.407	0.625	5.3	5.9

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	internal	3.13	52.56	7109	333	98.71	0.2607	0.2581	0.3155	RANDOM	39.52

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]
-3.79			4.71		-0.92

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	30.88
r_dihedral_angle_3_deg	16.479
r_dihedral_angle_4_deg	15.646
r_dihedral_angle_1_deg	7.235
r_angle_refined_deg	1.276
r_angle_other_deg	1.078
r_chiral_restr	0.046
r_bond_refined_d	0.003
r_gen_planes_refined	0.003
r_bond_other_d	0.001

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	30.88
r_dihedral_angle_3_deg	16.479
r_dihedral_angle_4_deg	15.646
r_dihedral_angle_1_deg	7.235
r_angle_refined_deg	1.276
r_angle_other_deg	1.078
r_chiral_restr	0.046
r_bond_refined_d	0.003
r_gen_planes_refined	0.003
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2532
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms	38

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data reduction
Aimless	data scaling
PHASER	phasing
PDB_EXTRACT	data extraction

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.