3LRE

Crystal Structure Analysis of Human Kinesin-8 Motor Domain

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	7.8	275	10-13% PEG 20000, 0.1M HEPES pH 7.8, 2% dioxane, vapor diffusion, temperature 275K

Crystal Properties
Matthews coefficient	Solvent content
2.44	49.53

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 69.42	α = 90
b = 79.744	β = 90
c = 140.145	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	BRUKER AXS PROTEUM/R6000	MIRRORS	2004-04-12	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	OTHER	1.5418

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	2.2	70.71	98.8	0.064	6.9			39803

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	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 1T5C	2.2	70.71	39755	1988	98.62	0.223	0.221	0.277	RANDOM	33.274

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]
-0.14			0.71		-0.57

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	6.498
r_scangle_it	4.102
r_scbond_it	2.454
r_mcangle_it	1.873
r_angle_refined_deg	1.699
r_mcbond_it	1.005
r_angle_other_deg	0.925
r_symmetry_vdw_other	0.269
r_nbd_other	0.243
r_nbd_refined	0.221
r_chiral_restr	0.199
r_xyhbond_nbd_refined	0.197
r_symmetry_hbond_refined	0.194
r_symmetry_vdw_refined	0.155
r_nbtor_other	0.087
r_metal_ion_refined	0.065
r_bond_refined_d	0.02
r_gen_planes_refined	0.007
r_gen_planes_other	0.006
r_bond_other_d	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4610
Nucleic Acid Atoms
Solvent Atoms	245
Heterogen Atoms	56

Software

Software
Software Name	Purpose
SAINT	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
PROTEUM PLUS	data collection
PROTEUM PLUS	data reduction
LSCALE	data scaling
MOLREP	phasing