DT	diphtheria toxin
PE	pseudomonas exotoxin
EGFR	epidermal growth factor receptor
EGFRvIII	EGFR with a deletion of exons 2–7
DT388/DAB388	truncated DT including the first 388 amino acids
PE40	truncated PE including domains 2 and 3
PE38	truncated PE including domains 2 and 3 without a disulfide loop
TP40	Transforming growth factor alpha-PE40
scFv	antibody, single-chain Fv
ETA	exotoxin A (alternative name for PE)
ATF	amino-terminal fragment
uPAR	urokinase plasminogen activator receptor
LMB-2	immunotoxin from the scFv of the antiTac antibody and PE40