1HKX

Crystal structure of calcium/calmodulin-dependent protein kinase

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		4.8		pH 4.80

Crystal Properties
Matthews coefficient	Solvent content
2.7	55

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 147.946	α = 90
b = 118.043	β = 110.91
c = 157.82	γ = 90

Symmetry
Space Group	C 1 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	100				2002-03-15	M	MAD
2	1	x-ray						M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 5.0.2	0.9187,0.9191,1.2543	ALS	5.0.2
2	SYNCHROTRON	ALS BEAMLINE 8.2.1	1.2545, 1.0038,1.0090	ALS	8.2.1

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	2.65	20	97.6	0.052	25.3	4		73701			61.9

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	2.65	2.71	78.2		0.444	2	4

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	2.65	19.84	135629	6774	93.7	0.246	0.246	0.279	RANDOM	61.2

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]
-1.65		-5.2	-5.76		7.41

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	24.7
c_mcangle_it	3.41
c_scangle_it	3.19
c_scbond_it	1.94
c_mcbond_it	1.85
c_angle_deg	1.4
c_improper_angle_d	1.07
c_bond_d	0.008
c_bond_d_na
c_bond_d_prot
c_angle_d
c_angle_d_na
c_angle_d_prot
c_angle_deg_na
c_angle_deg_prot
c_dihedral_angle_d_na
c_dihedral_angle_d_prot
c_improper_angle_d_na
c_improper_angle_d_prot

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	15588
Nucleic Acid Atoms
Solvent Atoms	62
Heterogen Atoms	40

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
RAVE	phasing
CCP4	phasing
CNS	refinement