2QR7

2.0A X-ray structure of C-terminal kinase domain of p90 ribosomal S6 kinase 2: Se-Met derivative

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7	298	7.5%-10% PEG3350, 50mM Ammonium sulfate, 0.1M Hepes, pH 7.0, VAPOR DIFFUSION, SITTING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.06	40.15

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 46.585	α = 90
b = 46.585	β = 90
c = 293.99	γ = 90

Symmetry
Space Group	P 41 21 2

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	MARMOSAIC 300 mm CCD	ADJUSTABLE FOCUSING MIRRORS IN K-B GEOMETRY	2006-12-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 23-ID-D	0.97936	APS	23-ID-D

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	20	99.9	0.079	36.84	7.7	23160	23160	23160	23160	45.9

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	2.06	100		0.44	6	7.1

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Cut-off Sigma (I)	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	SAD	THROUGHOUT	2	20	-3	23160	23160	1187	99.92	0.2045	0.2045	0.20276	0.23776	RANDOM	36.84

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]
1.27			1.27		-2.54

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.721
r_dihedral_angle_4_deg	19.033
r_dihedral_angle_3_deg	15.644
r_dihedral_angle_1_deg	6.593
r_scangle_it	3.948
r_scbond_it	2.775
r_mcangle_it	1.646
r_angle_refined_deg	1.217
r_mcbond_it	0.899
r_angle_other_deg	0.834
r_symmetry_vdw_other	0.275
r_symmetry_vdw_refined	0.268
r_mcbond_other	0.24
r_nbd_refined	0.232
r_nbd_other	0.205
r_nbtor_refined	0.194
r_xyhbond_nbd_refined	0.152
r_metal_ion_refined	0.126
r_symmetry_hbond_refined	0.101
r_nbtor_other	0.09
r_chiral_restr	0.075
r_xyhbond_nbd_other	0.071
r_bond_refined_d	0.012
r_gen_planes_refined	0.006
r_bond_other_d	0.001
r_gen_planes_other	0.001
r_metal_ion_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2365
Nucleic Acid Atoms
Solvent Atoms	91
Heterogen Atoms	1

Software

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