8FOL

The structure of a crystallizable variant of E. coli pyruvate formate-lyase activating enzyme bound to SAM, alternate crystal form

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	300	4 uL of protein (10 mg/mL PFL-AE-CCR8 in 12.5 mM HEPES, 200 mM KCl, with 3.65 mM SAM, 1.2 mM WT 7-mer PFL peptide, 0.13% glycerol, and 1 mM DTT) were combined with 1 uL of crystallization reservoir solution (18% PEG 3350, 100 mM HEPES, pH 7.5) in hanging drop format over 50 uL of crystallization reservoir solution.

Crystal Properties
Matthews coefficient	Solvent content
2.51	51.08

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 49.653	α = 90
b = 59.011	β = 90
c = 96.792	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	IMAGE PLATE	RIGAKU RAXIS IV++		2016-08-14	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU MICROMAX-007	1.542

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	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	35.37	97.67	0.1248	0.1417	0.06559	0.996	10.26	4.3		8650			55.81

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.65	2.745	88.01		0.8407	0.9537	0.4408	0.71	1.29	4.2

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	2.65	35.37	1.35	8516	426	97.67	0.1957	0.1947	0.2142	54.7

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	16.5804
f_angle_d	0.7859
f_chiral_restr	0.0941
f_bond_d	0.0061
f_plane_restr	0.0031

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1975
Nucleic Acid Atoms
Solvent Atoms	10
Heterogen Atoms	39

Software

Software
Software Name	Purpose
CrystalClear	data collection
PHENIX	refinement
HKL-2000	data reduction
HKL-2000	data scaling
PHASER	phasing
Coot	model building

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.