6EDS

Structure of Cysteine-free Human Insulin-Degrading Enzyme in complex with Glucagon and Substrate-selective Macrocyclic Inhibitor 63

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP		298	0.1M HEPES pH 7.0, 12% Tacsimate pH 7.0, 13% PEGMME, 10% Dioxane

Crystal Properties
Matthews coefficient	Solvent content
4.01	69.32

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 263.119	α = 90
b = 263.119	β = 90
c = 90.322	γ = 120

Symmetry
Space Group	P 65

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 EIGER X 16M		2018-07-19	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS-II BEAMLINE 17-ID-2	0.979341	NSLS-II	17-ID-2

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	3.18	131.559	100	0.369	0.378	0.083	0.991	10.98	20.9		60302			57.9001204686

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	3.181	3.2356

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	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	4LTE	3.18071730876	131.559	1.33583552402	60257	2869	99.9270327192	0.178934820394	0.176784619198	0.222083555612	R-free arrays for test set were copied from a different, previously refined crystal structure of ligand-bound IDE (different crystal, but identical protein and ligands). Additionally, Rfree array for test set was further expanded to resolution range of crystal.	51.5855318537

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	14.233969918
f_angle_d	0.645294260527
f_chiral_restr	0.0416953974471
f_plane_restr	0.00416801638865
f_bond_d	0.00382731870951

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	15800
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms	126

Software

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

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.