Acm	acetamidomethyl
Boc	t-butyloxycarbonyl
CD	circular dichroism
Cl-Z	2-chlorobenzyloxycarbonyl
COSY	two dimensional correlation spectroscopy
DMEM	Dulbecco’s modified eagle medium
DQF	double quantum filtered
ETEC	Enterotoxigenic Escherichia coli
FBS	fetal bovine serum
FITC	fluorescein isothiocyanate
FTC	fluorescein thiocarbonate
GC-C	guanylyl cyclase C
MALDI-TOF/MS	matrix-assisted laser desorption/ionization time of flight mass spectrometry
MeBzl	methyl benzyl
MED	minimum effective dose
Mpr	mercaptopropionyl
NOE	nuclear Overhauser effect
NOESY	nuclear Overhauser effect spectroscopy
OcHex	O-cyclohexyl
PBS	phosphate buffered saline
RMSD	root mean square deviation
RP-HPLC	reversed-phase high performance liquid chromatography
STa	heat-stable enterotoxin
STh	heat-stable enterotoxin derived from an E. coli strain from human
STp	heat-stable enterotoxin derived from an E. coli strain from porcine
TFA	trifluoroacetic acid