Experiment: 3E22

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1SA0	PDB ENTRY 1SA0

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7	291	PEG, PIPES buffer, The crystal of tubulin-colchicine:RB3-SLD complex was soaked with a 2.0mM soblidotin solution for 24 hours., pH 7.00, VAPOR DIFFUSION, HANGING DROP, temperature 291K

Crystal Properties
Matthews coefficient	Solvent content
3.73	68

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 324.093	α = 90
b = 324.093	β = 90
c = 53.28	γ = 120

Symmetry
Space Group	P 65

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	mirrors	2003-07-03	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-4	0.9786	ESRF	ID14-4

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Sym 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	3.8	35	98.3	0.063	20	4.6	32732	32732

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	3.8	3.87	94.9		0.469	2.3

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 1SA0	3.8	20	32176	31414	1598	97.63	0.2313	0.2313	0.229	0.2948	RANDOM	95.446

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]
3.54	1.77		3.54		-5.31

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	9.222
r_angle_refined_deg	1.953
r_scangle_it	0.548
r_symmetry_vdw_refined	0.447
r_scbond_it	0.339
r_nbd_refined	0.296
r_mcangle_it	0.252
r_metal_ion_refined	0.236
r_xyhbond_nbd_refined	0.212
r_mcbond_it	0.139

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	9.222
r_angle_refined_deg	1.953
r_scangle_it	0.548
r_symmetry_vdw_refined	0.447
r_scbond_it	0.339
r_nbd_refined	0.296
r_mcangle_it	0.252
r_metal_ion_refined	0.236
r_xyhbond_nbd_refined	0.212
r_mcbond_it	0.139
r_chiral_restr	0.133
r_symmetry_hbond_refined	0.101
r_bond_refined_d	0.016
r_gen_planes_refined	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	13924
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms	230

Software

Software
Software Name	Purpose
AMoRE	phasing
REFMAC	refinement
ADSC	data collection
DENZO	data reduction
SCALEPACK	data scaling

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.