2PK9

Structure of the Pho85-Pho80 CDK-cyclin Complex of the Phosphate-responsive Signal Transduction Pathway

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	283	9ul 12% PEG 10000, 10% glycerol, 0.2ul 0.25 M strontium chloride (SrCl2), 10 mM Tris (2-carboxyethyl) phosphine (TCEP, 0.1 M 2-morpholinoethanesulfonic acid (MES), pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 283K

Crystal Properties
Matthews coefficient	Solvent content
4.79	74.33

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 147.775	α = 90
b = 147.775	β = 90
c = 211.825	γ = 120

Symmetry
Space Group	P 31 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	200	CCD	CUSTOM-MADE	APS 19ID	2005-07-21	M	SINGLE WAVELENGTH
2	1	x-ray	200	CCD	ADSC QUANTUM 315	ESRF ID29	2005-04-11	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-ID	0.97948	APS	19-ID
2	SYNCHROTRON	ESRF BEAMLINE ID29	0.97926	ESRF	ID29

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (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	2.906	15.03	88.4	0.096	0.096	12.2	3.2	52156	47431		1

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	2.906	3	71.2		0.29	0.29	2.4	2.2

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	SAD	THROUGHOUT	2.906	15.03	52156	49532	2622	88.49	0.28316	0.28146	0.31536	RANDOM	73.804

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]
5.14	2.57		5.14		-7.71

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.747
r_dihedral_angle_3_deg	18.716
r_dihedral_angle_4_deg	18.569
r_dihedral_angle_1_deg	6.515
r_angle_refined_deg	1.469
r_mcangle_it	1.334
r_scangle_it	1.237
r_mcbond_it	1.09
r_scbond_it	0.723
r_nbtor_refined	0.31
r_nbd_refined	0.213
r_symmetry_vdw_refined	0.212
r_xyhbond_nbd_refined	0.138
r_chiral_restr	0.115
r_symmetry_hbond_refined	0.098
r_bond_refined_d	0.015
r_gen_planes_refined	0.003
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	7994
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms	24

Software

Software
Software Name	Purpose
REFMAC	refinement
SOLVE	phasing
CNS	refinement
HKL-2000	data reduction
HKL-2000	data scaling
HKL-2000	data collection