2QR8

2.0A X-ray structure of C-terminal kinase domain of p90 ribosomal S6 kinase 2 (RSK2)

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2QR7

Crystallization

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

Crystal Properties
Matthews coefficient	Solvent content
2.08	40.89

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 46.912	α = 90
b = 46.912	β = 90
c = 291.076	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		CCD	ADSC QUANTUM 315	ADJUSTABLE FOCUSING MIRRORS IN K-B GEOMETRY	2006-11-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 24-ID-C	0.97950	APS	24-ID-C

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	98.8	0.08	30.6	5.5	23175	23175	23175	23175	51.4

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	2.05	99		0.3		5.3

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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	MOLECULAR REPLACEMENT	THROUGHOUT	2QR7	2	20	-3	23175	23175	1197	99.53	0.21755	0.21755	0.21529	0.25886	RANDOM	43.61

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]
1.47			1.47		-2.94

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.941
r_dihedral_angle_4_deg	19.615
r_dihedral_angle_3_deg	16.803
r_dihedral_angle_1_deg	6.646
r_scangle_it	3.247
r_scbond_it	2.14
r_mcangle_it	1.458
r_angle_refined_deg	1.225
r_mcbond_it	0.849
r_angle_other_deg	0.84
r_symmetry_vdw_refined	0.343
r_symmetry_hbond_refined	0.324
r_symmetry_vdw_other	0.306
r_nbd_refined	0.234
r_mcbond_other	0.211
r_nbd_other	0.2
r_nbtor_refined	0.193
r_xyhbond_nbd_refined	0.178
r_metal_ion_refined	0.141
r_nbtor_other	0.091
r_chiral_restr	0.076
r_bond_refined_d	0.013
r_gen_planes_refined	0.006
r_bond_other_d	0.001
r_gen_planes_other	0.001
r_xyhbond_nbd_other
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	77
Heterogen Atoms	1

Software

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