8.B.36. The Contulakin Lt (Contulakin Lt) Family The conotoxins of this family inhibit GPCRs.
This family belongs to the Conotoxin Superfamily.
Examples:
TC#	Name	Organismal Type	Example
8.B.36.1.1	Contulakin Lt1 of 85 aas with 1 N-terminal TMS. It acts as an agonist of neurotensin receptors and binds to the human neurotensin type 1 receptor (NTSR1)		*Contulakin Lt1 of Conus litteratus* (Lettered cone)**

8.B.36.1.2	Alpha-conotoxin OIVA or PrXA of 85 aas and 1 N-terminal TMS.		α-Conotoxin of Conus parius

8.B.36.1.3	Contulakin-G of 76 aas and 1 N-terminal TMS. Acts as an agonist of neurotensin receptors. It binds to human neurotensin type 1 receptor (NTSR1)		Contulakin-G of Conus geographus (Geography cone) (Nubecula geographus)