ERAD	Endoplasmic reticulum-associated degradation
LC–MS/MS	Liquid chromatography–mass spectrometry/mass spectrometry
IDR	Intrinsically disordered region
LFQ	Label-free quantification
PSM	Peptide-spectrum match
α-1AT	α1-antitrypsin
NHK	Null Hong Kong variant of α1-antitrypsin
Ri	Ribophorin I
BACE	Beta-secretase
E1-KO	EDEM1 knock-out
∆-EDEM1	EDEM1 mutant lacking the IDR
CNX	calnexin
UPR	Unfolded protein response