Table 1. Cx mimetic peptides – structures and properties.

Name	Cx numbers/sequence	Protein domain	Properties	Reference(s)
Gap peptides
Gap 26	43, 32, 26	64–76 EL1	Inhibits CxHc within minutes and gap junctions later	[131,136]
	VCYDKSFPISHVR
Gap 27/43	43, 37, 32, 26	201–211 EL2	Inhibits CxHc within minutes and gap junctions later	[131–139]
(43Gap 27)	SRPTEKTIFII
Gap 27/40	40	201–221 EL2	Inhibits Cx40 gap junctions (effects on CxHc not investigated)	[115,131]
(40Gap 27)	SRPTEKNVFIV
Gap 24	32	110–122 IL	Inhibits Cx32Hc and not gap junctions	[146]
	GHGDPLHLEEVKC
L2 peptide	43	119–144 IL	Influences gap junction channel gating	[148]
Other peptides
No name	43	180–195 EL2	Inhibits Cx43 gap junctions	[205]
	SLSAVYTCKRDPCPHE
No name	40	177–192 EL2	Inhibits Cx40 gap junctions	[205]
	FLDTLHVCRRSPCPHP
No name	32	52–63 EL1	Inhibits Cx32 gap junctions in hepatocytes	[156]
	ICNTLQPGCNSV
No name	32	41–42 EL1	One of several peptides inhibiting gap junctions in oocytes	[204]
	ESVWGDEKSSFI