2FXU

X-ray Structure of Bistramide A- Actin Complex at 1.35 A resolution.

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	6	298	The bistramide A- actin complex was mixed with the crystallization buffer in 1:1 ratio. The crystallization buffer is 100 mM MES (ph 6.0), 24% (w/v) PEG1500, 70 mM CaCl2, 1mM NaN3, 1mM TCEP., VAPOR DIFFUSION, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.06	40.15

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 60.125	α = 90
b = 56.513	β = 94.56
c = 101.652	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	MARRESEARCH	mirrors	2005-10-27	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 22-ID	1.000	APS	22-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	1.35	50	97.5	0.046	27.6	3.5	72741	72741			25.3

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	1.35	1.4	81.4		0.389	2.6	2.2	6029

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 (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB code: 1J6Z	1.35	50	72716	72716	3681	97.46	0.17571	0.17571	0.17431	0.20148	RANDOM	22.839

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]
0.59		1.08	0.12		-0.55

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.962
r_dihedral_angle_4_deg	17.155
r_dihedral_angle_3_deg	13.16
r_dihedral_angle_1_deg	5.829
r_scangle_it	3.295
r_scbond_it	2.351
r_angle_refined_deg	1.605
r_mcangle_it	1.476
r_angle_other_deg	1.159
r_mcbond_it	1.058
r_symmetry_vdw_other	0.293
r_symmetry_vdw_refined	0.28
r_mcbond_other	0.269
r_nbd_refined	0.217
r_symmetry_hbond_refined	0.188
r_nbd_other	0.183
r_nbtor_refined	0.182
r_xyhbond_nbd_refined	0.159
r_metal_ion_refined	0.098
r_chiral_restr	0.095
r_nbtor_other	0.085
r_symmetry_metal_ion_refined	0.076
r_bond_refined_d	0.016
r_gen_planes_refined	0.007
r_bond_other_d	0.001
r_gen_planes_other	0.001
r_xyhbond_nbd_other
r_metal_ion_other
r_symmetry_hbond_other
r_symmetry_metal_ion_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2822
Nucleic Acid Atoms
Solvent Atoms	422
Heterogen Atoms	85

Software

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