3U8X

Crystal Structure of a chimera containing the N-terminal domain (residues 8-29) of drosophila Ciboulot and the C-terminal domain (residues 18-44) of bovine Thymosin-beta4, bound to G-actin-ATP

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1SQK	PDB ENTRY 1SQK

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	hanging drop	6.5	298	20% PEG3350, 0.2M MgAcetate pH6.5, 0.45M Guanidine HCl, 1% Dioxane, hanging drop, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.33	47.29

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 46.011	α = 90
b = 75.326	β = 90
c = 128.866	γ = 90

Symmetry
Space Group	P 1 21 1

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	ADSC QUANTUM 315r		2006-10-06	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID29	0.97903	ESRF	ID29

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	20	99.1	0.1	17.06			59601		-3	25.299

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	2.01	88.1		0.445	4.23

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 ENTRY 1SQK	2	19.7	58181	4162	98.14	0.19	0.1861	0.2382	RANDOM	24.38

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]
0.77		1.78	-14.4		13.63

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	41.18
r_dihedral_angle_4_deg	23.33
r_dihedral_angle_3_deg	19.418
r_dihedral_angle_1_deg	7.686
r_scangle_it	4.623
r_scbond_it	3.267
r_angle_refined_deg	2.276
r_mcangle_it	1.839
r_mcbond_it	1.131
r_chiral_restr	0.147

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	41.18
r_dihedral_angle_4_deg	23.33
r_dihedral_angle_3_deg	19.418
r_dihedral_angle_1_deg	7.686
r_scangle_it	4.623
r_scbond_it	3.267
r_angle_refined_deg	2.276
r_mcangle_it	1.839
r_mcbond_it	1.131
r_chiral_restr	0.147
r_bond_refined_d	0.025
r_gen_planes_refined	0.011

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5926
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms	64

Software

Software
Software Name	Purpose
XSCALE	data scaling
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.