2Q36

Actin Dimer Cross-linked between Residues 191 and 374 and complexed with Kabiramide C

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2A5X	pdb entry 2A5X

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8.5	298	30% PEG4000, 0.1 M Tris, 0.2 M lithium sulfate, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.6	52.63

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 40.539	α = 90
b = 74.276	β = 90
c = 144.474	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 315		2005-10-21	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 8.2.2	1.00	ALS	8.2.2

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	2.49	90	100	0.112	8.8	7.9	15987	15987		-3	41.7

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	2.49	2.59	99.9		0.419		7.6	1727

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 entry 2A5X	2.5	72.17	15767	15767	800	99.98	0.177	0.177	0.175	0.223	RANDOM	21.725

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]
-0.2			0.53		-0.33

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	30.193
r_dihedral_angle_4_deg	16.68
r_dihedral_angle_3_deg	13.227
r_dihedral_angle_1_deg	3.797
r_mcangle_it	2.504
r_scangle_it	2.432
r_mcbond_it	1.681
r_scbond_it	1.616
r_angle_refined_deg	1.533
r_angle_other_deg	0.885
r_mcbond_other	0.331
r_symmetry_vdw_other	0.28
r_nbd_refined	0.2
r_nbd_other	0.19
r_nbtor_refined	0.175
r_metal_ion_refined	0.173
r_symmetry_vdw_refined	0.157
r_xyhbond_nbd_refined	0.143
r_symmetry_hbond_refined	0.124
r_nbtor_other	0.085
r_chiral_restr	0.074
r_bond_refined_d	0.008
r_gen_planes_refined	0.003
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2817
Nucleic Acid Atoms
Solvent Atoms	69
Heterogen Atoms	109

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
BOS	data collection