6E21

Joint X-ray/neutron structure of PKAc with products Sr2-ADP and phosphorylated peptide SP20

X-RAY DIFFRACTION - NEUTRON DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP		277	100 mM MES, pH 6.5, 5 mM DTT, PEG4000

Crystal Properties
Matthews coefficient	Solvent content
2.71	54.63

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 59.332	α = 90
b = 79.898	β = 90
c = 100.292	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	293	IMAGE PLATE	RIGAKU RAXIS IV++	osmic varimax	2015-09-15	M	SINGLE WAVELENGTH
2	1	neutron	293	IMAGE PLATE	LADI III	collimators	2015-09-18	L	LAUE

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU MICROMAX-007 HF	1.54
2	NUCLEAR REACTOR	ILL BEAMLINE LADI III	2.8-4.0	ILL	LADI III

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	R Split (All)	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	40	91.7	0.069						14.3	4.2		30175
2	2.5	40	62	0.153						7.7	3.4		10426

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	R Merge I (Observed)	R-Sym I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	R Split (All)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2	2.07		0.542							4.2
2	2.5	2.64		0.181							1.9

Refinement

Statistics
Diffraction ID	Structure Solution Method	Resolution (High)	Resolution (Low)	Cut-off Sigma (I)	Cut-off Sigma (F)	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	2	40		3		24119	1170	73.3			0.187	0.217	random	30.03
NEUTRON DIFFRACTION	MOLECULAR REPLACEMENT	2.5	40		3		10012	474	60			0.226	0.275	random	30.03

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
x_torsion_deg	29.5
x_torsion_deg	29.5
x_angle_deg	1
x_angle_deg	1
x_torsion_impr_deg	0.71
x_torsion_impr_deg	0.71
x_bond_d	0.008
x_bond_d	0.008

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2940
Nucleic Acid Atoms
Solvent Atoms	152
Heterogen Atoms	29

Software

Software
Software Name	Purpose
nCNS	refinement
HKL-3000	data reduction
HKL-3000	data scaling
PHASER	phasing
LAUEGEN	data reduction
LSCALE	data scaling
CNS	phasing

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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.