2A42

Actin-DNAse I Complex

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7	293	sodium formate, PEG3350, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.47	49.78

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 152.729	α = 90
b = 41.484	β = 109.28
c = 117.905	γ = 90

Symmetry
Space Group	C 1 2 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 4		2005-03-25	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 17-ID	1.0	APS	17-ID

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	1.85	38.7	97.4	0.079	20.2	6.9	60353	58792

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	1.85	1.92	81.9		0.373	3.4	4.4	4864

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 1ATN	1.85	38.7	2	60353	55819	2973	97.4	0.1628	0.16085	0.19861	RANDOM	43.194

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]
-0.8		0.52	0.62		0.52

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.369
r_dihedral_angle_4_deg	17.355
r_dihedral_angle_3_deg	14.384
r_dihedral_angle_1_deg	6.2
r_scangle_it	5.22
r_scbond_it	3.646
r_mcangle_it	2.221
r_angle_refined_deg	1.589
r_mcbond_it	1.508
r_nbtor_refined	0.32
r_nbd_refined	0.216
r_xyhbond_nbd_refined	0.214
r_symmetry_hbond_refined	0.2
r_symmetry_vdw_refined	0.134
r_chiral_restr	0.12
r_metal_ion_refined	0.043
r_bond_refined_d	0.012
r_gen_planes_refined	0.008
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4838
Nucleic Acid Atoms
Solvent Atoms	485
Heterogen Atoms	80

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
SCALEPACK	data scaling
AMoRE	phasing