Experiment: 3PP5

High-resolution structure of the trimeric Scar/WAVE complex precursor Brk1

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.3	293	40% (v/v) MPD, 0.2 M CaCl2, pH 7.3, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
3.03	59.43

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 39.14	α = 90
b = 39.14	β = 90
c = 118.19	γ = 120

Symmetry
Space Group	P 63

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	MARMOSAIC 225 mm CCD		2009-08-15	M	SINGLE WAVELENGTH
2	1	x-ray	100	CCD	MARMOSAIC 225 mm CCD		2009-07-10	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X06DA	1.0722	SLS	X06DA
2	SYNCHROTRON	ESRF BEAMLINE ID23-2	0.8726	ESRF	ID23-2

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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
1,2	1.5	20	98.6	0.05	30.4	12.5	16414	16181		-3	22.7

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1,2	1.5	1.54	97.4		0.27	8.95	12.09

Refinement

Statistics
Diffraction ID	Structure Solution Method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	SAD, MOLECULAR REPLACEMENT	1.5	19.389	2.04	16414	16144	806	98.65	0.1601	0.1589	0.1571	0.1817	0.1758	random

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]
2.4388			2.4388		-4.8777

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	15.787
f_angle_d	1.245
f_chiral_restr	0.074
f_bond_d	0.013
f_plane_restr	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	536
Nucleic Acid Atoms
Solvent Atoms	107
Heterogen Atoms	18

Software

Software
Software Name	Purpose
MAR345dtb	data collection
SHELX	model building
ARP/wARP	model building
PHENIX	refinement
XDS	data reduction
XSCALE	data scaling
SHELX	phasing