3KSP

Crystal structure of a putative ca/calmodulin-dependent kinase ii association domain (exig_1688) from exiguobacterium sibiricum 255-15 at 2.59 A resolution

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	9.5	277	1.0000M sodium citrate, 0.1M CHES pH 9.5, 0.001 M Adenosine-5'-triphosphate (ATP), NANODROP, VAPOR DIFFUSION, SITTING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
3.92	68.66

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 76.226	α = 90
b = 76.226	β = 90
c = 144.157	γ = 120

Symmetry
Space Group	P 65 2 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 325 mm CCD	Flat mirror (vertical focusing)	2009-07-08	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL11-1	0.91162,0.97929	SSRL	BL11-1

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	2.59	28.831	99.4	0.049	17.17			8247		-3	76.251

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	2.6	2.69	99.9		0.658	2.2

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	MAD	THROUGHOUT	2.59	28.831	8207	379	99.49	0.202	0.201	0.237	RANDOM	44.582

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]
-2.81	-1.4		-2.81		4.21

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.04
r_dihedral_angle_3_deg	17.101
r_dihedral_angle_4_deg	12.794
r_dihedral_angle_1_deg	6.878
r_scangle_it	2.546
r_scbond_it	1.684
r_angle_refined_deg	1.483
r_mcangle_it	0.976
r_angle_other_deg	0.87
r_mcbond_it	0.506

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.04
r_dihedral_angle_3_deg	17.101
r_dihedral_angle_4_deg	12.794
r_dihedral_angle_1_deg	6.878
r_scangle_it	2.546
r_scbond_it	1.684
r_angle_refined_deg	1.483
r_mcangle_it	0.976
r_angle_other_deg	0.87
r_mcbond_it	0.506
r_mcbond_other	0.088
r_chiral_restr	0.086
r_bond_refined_d	0.014
r_gen_planes_refined	0.005
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1061
Nucleic Acid Atoms
Solvent Atoms	8
Heterogen Atoms	17

Software

Software
Software Name	Purpose
REFMAC	refinement
PHENIX	refinement
SOLVE	phasing
MolProbity	model building
XSCALE	data scaling
PDB_EXTRACT	data extraction
XDS	data reduction

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.