Table 1.

Sequences of μ-conotoxins reported to date. Of these peptides, only five were isolated directly from the venoms (GIIIA, GIIIB, GIIIC, PIIIA and TIIIA), and the remaining structures were deduced from cDNA sequences.

Conotoxin	Sequence	References
SxIIIA	RCCTGKKGSCSGRACKNL–KCCA#	This work
SxIIIB	ZKCCTGKKGSCSGRACKNL–RCCA#	This work
GIIIA	RDCCT–OOKKCKDRQCKOQ–RCCA#	43
GIIIB	RDCCT–OORKCKDRRCKOM–KCCA#	43
GIIIC	RDCCT–OOKKCKDRQCKOL–KCCA#	43
PIIIA	ZRLCCG–FOKSCRSRQCKOH–RCC#	44
SmIIIA	ZRCCN–GRRGCSSRWCRDHSRCC#	38
SIIIA	ZNCCN–––GGCSSKWCRDHARCC#	45
KIIIA	CCN–––––CSSKWCRDHSRCC#	45
CnIIIA	GRCCD–VPNACSGRWCRDHAQCC#	46
CnIIIB	ZGCCG–EPNLCFTRWCRNNARCCRQQ	46
MIIIA	ZGCCN–VPNGCSGRWCRDHAQCC#	46
CIIIA	GRCCE–GPNGCSSRWCKDHARCC#	46
TIIIA	RHGCCK–GOKGCSSRECROQ–HCC#	26

Z, pyroglutamate; O, 4-hydroxyproline;

^#, amidated C-terminus