8QFX

Human Angiotensin-1 converting enzyme N-domain in complex with the lactotripeptide IPP

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	6F9V

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8.5	289.15	30% PEG 500 MME/PEG 20000, 0.1 M Tris/Bicine pH 8.5 and 60 mM divalent cations [Molecular Dimensions (Rotherham, UK) Morpheus A9]

Crystal Properties
Matthews coefficient	Solvent content
3.06	59.78

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 74.229	α = 84.95
b = 103.395	β = 85.493
c = 115.416	γ = 81.549

Symmetry
Space Group	P 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	PIXEL	DECTRIS PILATUS 6M-F		2016-12-17	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	DIAMOND BEAMLINE I04	0.9282	Diamond	I04

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	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	1.6	114.71	97.2	0.061	0.998	6.4	6.9		432760

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Rpim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.6	1.63			0.859	0.344

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 (All)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	1.6	79.452	432735	21616	97.142	0.182	0.1808	0.2109	24.203

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]
-0.631	-0.106	-0.207	0.338	-0.067	0.206

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_6_deg	16.383
r_dihedral_angle_3_deg	14.876
r_dihedral_angle_2_deg	8.217
r_lrange_it	6.406
r_dihedral_angle_1_deg	6.217
r_scangle_it	4.292
r_scbond_it	2.934
r_mcangle_it	2.137
r_angle_refined_deg	1.939
r_mcbond_it	1.453
r_nbtor_refined	0.309
r_symmetry_nbd_refined	0.268
r_nbd_refined	0.235
r_xyhbond_nbd_refined	0.209
r_symmetry_xyhbond_nbd_refined	0.171
r_chiral_restr	0.134
r_metal_ion_refined	0.089
r_bond_refined_d	0.015
r_gen_planes_refined	0.013

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	19974
Nucleic Acid Atoms
Solvent Atoms	2329
Heterogen Atoms	800

Software

Software
Software Name	Purpose
REFMAC	refinement
DIALS	data reduction
Aimless	data scaling
PHASER	phasing