ε	extinction coefficient;
λmax	wavelength of maximal emission;
CD	circular dichroism;
cDNA	complementary DNA;
CTD	C-terminal domain;
CDF	cation diffusion facilitator;
TMD	transmembrane domain;
DTNB	5,5′-dithio-bis-(2-nitrobenzoic acid);
DTT	dithiothreitol;
HEPES	4-(2-hydroxyethyl)-1-piperazineethanesulfonic acid;
SDS	sodium dodecyl sulfate;
ICP-MS	inductively coupled plasma-mass spectrometry;
PAGE	polyacrylamide gel electrophoresis;
TCEP	tris(2-carboxyethyl)phosphine hydrochloride;
TNB	2-nitro-5-thiobenzoate;
ZnT8	member 8 of the ZnT family (SLC30A8);
ZnT8c	C-terminal domain of ZnT8 (residues 267–369);
ZnT8cR	C-terminal domain of ZnT8 expressing arginine at position 325, R325 ZnT8;
ZnT8cW	C-terminal domain of ZnT8 expressing tryptophan at position 325, W325 ZnT8;
TXRF	total reflection X-ray fluorescence