4Q6F

Crystal structure of human BAZ2A PHD zinc finger in complex with unmodified H3K4 histone peptide

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7	277	2M malic acid, pH 7, VAPOR DIFFUSION, SITTING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.26	45.59

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 71.866	α = 90
b = 71.866	β = 90
c = 98.767	γ = 90

Symmetry
Space Group	P 43 21 2

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		2014-01-18	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	DIAMOND BEAMLINE I03	0.97626	Diamond	I03

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	1.91	29.06	100	0.062	0.036	20.4	7	20562	20562			25.99

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (All)	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	1.91	29.06	19506	19506	1002	99.74	0.18472	0.18294	0.21864	RANDOM	36.867

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]
0.54			0.54		-1.08

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.702
r_dihedral_angle_4_deg	17.008
r_dihedral_angle_3_deg	13.876
r_long_range_B_refined	6.812
r_long_range_B_other	6.677
r_dihedral_angle_1_deg	6.018
r_scangle_other	4.595
r_mcangle_it	3.257
r_mcangle_other	3.255
r_scbond_it	2.871
r_scbond_other	2.87
r_mcbond_it	2.329
r_mcbond_other	2.327
r_angle_refined_deg	1.553
r_angle_other_deg	0.842
r_chiral_restr	0.09
r_bond_refined_d	0.012
r_gen_planes_refined	0.006
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1778
Nucleic Acid Atoms
Solvent Atoms	70
Heterogen Atoms	20

Software

Software
Software Name	Purpose
ADSC	data collection
PHASER	phasing
REFMAC	refinement
XDS	data reduction
SCALA	data scaling