5FE4

Crystal structure of human PCAF bromodomain in complex with fragment MB364 (fragment 5)

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3GG3	pdb id 3GG3

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
3.36	63.44

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 99.252	α = 90
b = 99.252	β = 90
c = 100.612	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	Bruker Platinum 135		2011-09-19	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	BRUKER AXS MICROSTAR	1.54197

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	2.15	32.68	98.5	0.051	13.2	3.1		19803			33.1

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	2.15	2.27	95.5		0.297	2	2

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	2.15	28.65	18793	1008	98.51	0.1915	0.18934	0.23175	RANDOM	43.317

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]
-0.32	-0.16		-0.32		1.02

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.701
r_dihedral_angle_4_deg	25.729
r_dihedral_angle_3_deg	14.306
r_long_range_B_refined	6.724
r_long_range_B_other	6.723
r_dihedral_angle_1_deg	5.347
r_scangle_other	2.295
r_mcangle_it	1.864
r_mcangle_other	1.864
r_angle_refined_deg	1.531
r_scbond_it	1.439
r_scbond_other	1.438
r_angle_other_deg	1.343
r_mcbond_it	1.125
r_mcbond_other	1.121
r_chiral_restr	0.096
r_bond_refined_d	0.015
r_gen_planes_refined	0.009
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	1800
Nucleic Acid Atoms
Solvent Atoms	214
Heterogen Atoms	46

Software

Software
Software Name	Purpose
REFMAC	refinement
PROTEUM PLUS	data reduction
SCALA	data scaling
PHASER	phasing