5FE1

Crystal structure of human PCAF bromodomain in complex with fragment BR004 (fragment 1)

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP		277.15	21-35% PEG 3350, 0.1 M Bis-Tris pH 5.5-7.0 or 21-40% medium-molecular-weight PEG smears (MMW PEG smears) buffered either with 0.1 M Bis-Tris pH 6.0-7.5 or 0.1 M Tris pH 7.5-8.8

Crystal Properties
Matthews coefficient	Solvent content
3.52	65.09

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 99.67	α = 90
b = 99.67	β = 90
c = 100.4	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	IMAGE PLATE	RIGAKU RAXIS IV		2011-09-13	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU FR-E SUPERBRIGHT	1.54178

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge 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	2.22	33.47	100	0.092	11.2	4.4		18352			43.5

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.22	2.34	100		0.728	2	4.3

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	pdb id 3GG3	2.22	33.47	17400	940	99.91	0.20991	0.20831	0.24083	RANDOM	44.942

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]
-0.1	-0.05		-0.1		0.31

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.941
r_dihedral_angle_4_deg	19.2
r_dihedral_angle_3_deg	13.899
r_dihedral_angle_1_deg	5.89
r_long_range_B_refined	5.387
r_long_range_B_other	5.387
r_scangle_other	2.774
r_mcangle_it	2.14
r_mcangle_other	2.139
r_scbond_it	1.647
r_scbond_other	1.645
r_angle_refined_deg	1.496
r_angle_other_deg	1.385
r_mcbond_other	1.281
r_mcbond_it	1.28
r_chiral_restr	0.097
r_bond_refined_d	0.014
r_gen_planes_refined	0.008
r_bond_other_d	0.007
r_gen_planes_other	0.007
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_scangle_it
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1780
Nucleic Acid Atoms
Solvent Atoms	153
Heterogen Atoms	28

Software

Software
Software Name	Purpose
REFMAC	refinement
iMOSFLM	data reduction
SCALA	data scaling
PHASER	phasing