3U9Z

Crystal structure between actin and a protein construct containing the first beta-thymosin domain of drosophila ciboulot (residues 2-58) with the three mutations N26D/Q27K/D28S

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	18% PEG3350, 0.05M NaAcetate pH4.7, 0.1M MgAcetate pH6.5, 0.32M Guanidine HCl, 0.8% Dioxane, hanging drop, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.11	41.58

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 45.795	α = 90
b = 75.181	β = 90
c = 117.708	γ = 90

Symmetry
Space Group	P 21 21 21

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		2006-12-16	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID29	0.9300	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	2.09	46	99.9	0.092	26.84		24792	24772		-3	30.764

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	2.09	2.1	100		0.475	7.04

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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	PDB ENTRY 1SQK	2.09	46	24672	24652	1851	99.93	0.1647	0.1598	0.2266	RANDOM	30.093

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]
1.04			-1.22		0.17

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.712
r_dihedral_angle_4_deg	21.108
r_dihedral_angle_3_deg	18.685
r_dihedral_angle_1_deg	7.241
r_scangle_it	5.461
r_scbond_it	3.547
r_mcangle_it	2.009
r_angle_refined_deg	1.452
r_mcbond_it	1.151
r_chiral_restr	0.123

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.712
r_dihedral_angle_4_deg	21.108
r_dihedral_angle_3_deg	18.685
r_dihedral_angle_1_deg	7.241
r_scangle_it	5.461
r_scbond_it	3.547
r_mcangle_it	2.009
r_angle_refined_deg	1.452
r_mcbond_it	1.151
r_chiral_restr	0.123
r_bond_refined_d	0.02
r_gen_planes_refined	0.012

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2949
Nucleic Acid Atoms
Solvent Atoms	368
Heterogen Atoms	28

Software

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

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.