3P1F

Crystal structure of the bromodomain of human CREBBP in complex with a hydroquinazolin ligand

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.5	277	0.15M KSCN 20% PEG3350 10% EtGly, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.35	47.75

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 110.27	α = 90
b = 38.62	β = 127.67
c = 79.46	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	IMAGE PLATE	RIGAKU RAXIS IV		2010-09-03	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU FR-E SUPERBRIGHT	1.542

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	1.63	28.594	99.7	0.054	0.054	13	3.5	33352	33252			22.6

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)
	1.63	1.72	98.9		0.517	0.517	1.5	3.1	4765

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	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	3DWY	1.63	28.59	33336	33249	1685	99.74	0.1836	0.1836	0.1817	0.2183	RANDOM	23.2319

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]
-0.71		-0.66	-0.2		0.1

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.751
r_dihedral_angle_4_deg	17.053
r_dihedral_angle_3_deg	12.439
r_scangle_it	8.487
r_scbond_it	6.312
r_dihedral_angle_1_deg	5.268
r_mcangle_it	4.17
r_mcbond_it	2.776
r_angle_refined_deg	1.593
r_angle_other_deg	0.957
r_mcbond_other	0.877
r_chiral_restr	0.098
r_bond_refined_d	0.016
r_gen_planes_refined	0.011
r_bond_other_d	0.002
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1930
Nucleic Acid Atoms
Solvent Atoms	262
Heterogen Atoms	58

Software

Software
Software Name	Purpose
SCALA	data scaling
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
CrystalClear	data collection
MOSFLM	data reduction