4JLU

Crystal structure of BRCA1 BRCT with doubly phosphorylated Abraxas

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5		pH 6.5, VAPOR DIFFUSION, HANGING DROP

Crystal Properties
Matthews coefficient	Solvent content
4.42	72.2

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 113.599	α = 90
b = 113.599	β = 90
c = 121.61	γ = 120

Symmetry
Space Group	P 61 2 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	IMAGE PLATE	MAR scanner 345 mm plate		2013-02-22	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	BRUKER AXS MICROSTAR	1.54179

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	3.5	25					6221

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	1Y98	3.5	22.19	6221	306	100	0.2997	0.2983	0.3273	RANDOM	49.9077

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]
-0.01	-0.01		-0.01		0.02

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	42.734
r_dihedral_angle_3_deg	24.045
r_dihedral_angle_1_deg	9.856
r_dihedral_angle_4_deg	9.029
r_angle_refined_deg	1.96
r_scangle_it	0.403
r_scbond_it	0.216
r_mcangle_it	0.164
r_chiral_restr	0.14
r_mcbond_it	0.087
r_bond_refined_d	0.016
r_gen_planes_refined	0.009

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1792
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms

Software

Software
Software Name	Purpose
MOLREP	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
MOSFLM	data reduction
SCALA	data scaling