Table 2.
α-Conotoxins identified from predatory and defense venoms of fish-hunting cone snails. Presented here are conotoxins found exclusively in the predation-evoked, the defense-evoked, or in both venoms. Each conotoxin is characterized by its Conus clade, the Conus species in which it was detected, the given name, its sequence, its classification within the gene superfamilies, and the cysteine framework. Cysteine residues are highlighted in red.
Clades | Conus Species | Conotoxins | Mature Sequence | Gene Superfamily |
Cysteine Framework | References |
---|---|---|---|---|---|---|
Pionoconus | striatus | α-SI | ICCNPACGPKYSCX | A | I | [23,32,39] |
α-SIA | YCCHPACGKNFDCX | A | I | [23,32] | ||
α-SII | GCCCNPACGPNYGCGTSCS | A | II | [23,32,39] | ||
consors | α-CnIB | CCHPACGKYYSCX | A | I | [24,37] | |
α-CnIA | GRCCHPACGKYYSCX | A | I | [24,37] | ||
CnIG | CCHPACGKYFKCX | I | [37] | |||
CnIJ | GRCCHPACGGKYFKCX | A | I | [37] | ||
CnIH | NGRCCHPACGKHFSCX | A | I | [37] | ||
CnIK | NGRCCHPACGKYYSCX | A | I | [37] | ||
CnIL | DGRCCHPACGKYYSCX | A | I | [37] | ||
catus | α-C4.3 | NGRCCHPACGKHFSC | A | I | [25] | |
α-CIB | GCCSNPVCHLEHPNACX | A | I | [25] | ||
α-C1.3 | GCCSNPVCHLEHSNLCX | A | I | [25] | ||
magus | α-MI | GRCCHPACGKNYSCX | A | I | [40] | |
α-MII | GCCSNPVCHLEHSNLCX | A | I | [40] | ||
α-MIC | CCHPACGKNYSCX | A | I | [40] | ||
Gastridium | geographus | α-GIC | GCCSHPACAGNNQHICX | A | I | [28,33] |
α-GIA | ECCHPACGRHYSCGK | A | I | [28,33] | ||
α-GII | ECCHPACGKHFSCX | A | I | [28,33] | ||
α-GID | IRD(Gla)CCSNPACRVNNPHVC | A | I | [28,33] | ||
obscurus | α-OIVA | CCGVONAACHOCVCKNTCX | A | IV | [28,41] | |
α-OIVB | CCGVONAACPOCVCNKTCGX | A | IV | [28,42] | ||
Chelyconus | purpurascens | α-PIB | ZSOGCCWNPACVKNRCX | A | I | [17,43] |
α-PIC | SGCCKHOACGKNRC | A | I | [17,44] | ||
α-PIVA | GCCGSYONAACHOCSCKDROSYCGQX | A | IV | [17] | ||
α-PIIIE | HOOCCLYGKCRRYPGCSSASCCQRX | M | III | [17] | ||
α-PIIIF | GOOCCLYGSCROFOGCYNALCCRKX | M | III | [17,45] | ||
ermineus | α-EIVA | GCCGPYONAACHOCGCKVGROOYCDROSGGX | A | IV | [46,47] | |
α-EIVB | GCCGKYONAACHOCGCTVGROOYCDROSGGX | A | IV | [46,47] | ||
α-EIIA | ZTOGCCWNPACVKNRCX | A | I | [47,48] | ||
α-EIIB | ZTOGCCWHPACGKNRCX | A | I | [47,48] | ||
α-EI | RDOCCYHPTCNMSNPQICX | A | I | [47,49] |