5KTU

Crystal structure of the bromodomain of human CREBBP bound to pyrazolopiperidine scaffold

X-RAY DIFFRACTION

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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		277	0.2 M magnesium chloride, 0.1 M Bis-Tris pH 6.5, and 25% polyethylene glycol (PEG) 3350

Crystal Properties
Matthews coefficient	Solvent content
2.22	44.55

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 125.22	α = 90
b = 125.22	β = 90
c = 39.789	γ = 120

Symmetry
Space Group	H 3

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	RAYONIX MX-300		2012-12-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 21-ID-G	0.9786	APS	21-ID-G

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	1.38	62.61	99.7	0.061	22.7	4.6		47773

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	3DWY	1.38	62.61	45351	2422	99.62	0.1926	0.1915	0.2122	RANDOM	26.338

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]
-0.35	-0.17		-0.35		1.13

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	42.067
r_dihedral_angle_4_deg	17.118
r_dihedral_angle_3_deg	14.449
r_dihedral_angle_1_deg	6.273
r_mcangle_it	2.744
r_mcbond_it	2.155
r_mcbond_other	2.088
r_angle_refined_deg	1.421
r_angle_other_deg	0.737
r_chiral_restr	0.089
r_gen_planes_refined	0.02
r_bond_refined_d	0.012
r_gen_planes_other	0.001
r_bond_other_d

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1854
Nucleic Acid Atoms
Solvent Atoms	215
Heterogen Atoms	23

Software

Software
Software Name	Purpose
REFMAC	refinement
PDB_EXTRACT	data extraction
DENZO	data reduction
SCALEPACK	data scaling
PHASER	phasing