1Z2B

Tubulin-colchicine-vinblastine: stathmin-like domain complex

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7	291	PEG, PIPES BUFFER, PH 7.0, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 291K. THE CRYSTAL OF TUBULIN-COLCHICINE:RB3-SLD COMPLEX WAS SOAKED WITH A 2 MILLI-MOLAR VINBLASTINE SOLUTION FOR 24 HOURS., pH 7.00

Crystal Properties
Matthews coefficient	Solvent content
3.81	68

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 324.852	α = 90
b = 324.852	β = 90
c = 54.208	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		2002-06-15	M	SINGLE WAVELENGTH

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

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	4.1	40	94.8	0.04	25	3.26		25286

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	4.1	4.2	76.6		0.33	2.5	2.25

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 1SA0	4.1	20	25034	23765	1269	95.39	0.21243	0.20943	0.26886	RANDOM	117.488

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]
-0.77	-0.38		-0.77		1.15

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	8.541
r_angle_refined_deg	1.906
r_symmetry_vdw_refined	0.344
r_nbd_refined	0.3
r_metal_ion_refined	0.279
r_xyhbond_nbd_refined	0.213
r_symmetry_hbond_refined	0.131
r_chiral_restr	0.12
r_bond_refined_d	0.017
r_gen_planes_refined	0.005
r_bond_other_d
r_angle_other_deg
r_dihedral_angle_2_deg
r_dihedral_angle_3_deg
r_dihedral_angle_4_deg
r_gen_planes_other
r_nbd_other
r_nbtor_refined
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_it
r_mcbond_other
r_mcangle_it
r_scbond_it
r_scangle_it
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	13932
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms	241

Software

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