6Y2U

Crystal structure of the cAMP-dependent protein kinase A cocrystallized with aminofasudil and PKI (5-24)

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.9	277	100 mM MES-BIS-Tris-Buffer, 1 mM dithiothreitol, 0.1 mM sodium EDTA, 75 mM LiCl, 0.2 Mega8, 5 mM aminofasudil (in DMSO), 0.5 mM PKI (5-24) and 18-23 % methanol (v/v)0.004 mL drop volume, 0.5 mL reservoir volume

Crystal Properties
Matthews coefficient	Solvent content
2.72	52.7

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 58.706	α = 90
b = 71.119	β = 90
c = 107.976	γ = 90

Symmetry
Space Group	P 21 21 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	PIXEL	DECTRIS PILATUS 6M		2017-02-17	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID29	0.97900	ESRF	ID29

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	1.927	45.274	99.8	0.102	10.89	7.4		34803

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.93	2.04			0.518	2.81

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	6F14	1.93	45.27	1.37	34798	1741	99.8	0.1866	0.1848	0.2215	39.85

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]

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	15.0949
f_angle_d	0.7775
f_chiral_restr	0.0525
f_bond_d	0.0066
f_plane_restr	0.0053

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2840
Nucleic Acid Atoms
Solvent Atoms	159
Heterogen Atoms	21

Software

Software
Software Name	Purpose
PHASER	phasing
PHENIX	refinement
Coot	model building
XDS	data reduction
XDS	data scaling

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.