6YIL | pdb_00006yil

Crystal structure of the CREBBP bromodomain in complex with a tetrahydroquinoxaline ligand

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3DWY

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.5	277	20% PEG3350 10% ethylene glycol 0.2M sodium acetate

Crystal Properties
Matthews coefficient	Solvent content
2.2	44.01

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 94.26	α = 90
b = 34.62	β = 107.29
c = 40.11	γ = 90

Symmetry
Space Group	C 1 2 1

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 PILATUS 6M		2017-09-21	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	DIAMOND BEAMLINE I03	0.9763	Diamond	I03

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Sym I (Observed)	Rrim I (All)	Rpim I (All)	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	1.22	38	97.1	0.061	0.074	0.041	15.6	3		35941

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Rrim I (All)	Rpim I (All)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.22	1.29	95.1		0.072	0.072	0.088	0.05	8.3	2.9

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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	3DWY	1.22	38	34182	1759	97.11	0.133	0.1321	0.14	0.1511	0.16	RANDOM	12.75

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]
-0.28		0.16	0.55		-0.3

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.02
r_sphericity_free	23.723
r_dihedral_angle_4_deg	22.867
r_dihedral_angle_3_deg	11.535
r_sphericity_bonded	6.654
r_dihedral_angle_1_deg	5.623
r_rigid_bond_restr	1.732
r_angle_refined_deg	1.704
r_angle_other_deg	0.964
r_chiral_restr	0.1

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.02
r_sphericity_free	23.723
r_dihedral_angle_4_deg	22.867
r_dihedral_angle_3_deg	11.535
r_sphericity_bonded	6.654
r_dihedral_angle_1_deg	5.623
r_rigid_bond_restr	1.732
r_angle_refined_deg	1.704
r_angle_other_deg	0.964
r_chiral_restr	0.1
r_bond_refined_d	0.013
r_gen_planes_refined	0.009
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	946
Nucleic Acid Atoms
Solvent Atoms	154
Heterogen Atoms	30

Software

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

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 R01GM157729.