RgIA [C3(Pen),S4T,Y10(Ity),R11Q,R13(β3hY),insC_(Orn)] (P10389) Protein Card

General Information
Name RgIA [C3(Pen),S4T,Y10(Ity),R11Q,R13(β3hY),insC_(Orn)] (named by ConoServer)
Alternative name(s) RgIA-5672
Organism synthetic construct
Protein Type Synthetic
Parent RgIA

Classification
Conopeptide class conotoxin
Gene superfamily
Pharmacological family alpha conotoxin

Sequence
GC(Pen)TDPRCR(Ity)QC(β3hY)(Orn)
Modified residues
positionsymbolname
3PenL-Penicillamine
10Ity3-iodotyrosine
13β3hYβ3-homotyrosine
14OrnOrnithine
Average Mass 1878.92
Monoisotopic Mass 1877.61
Isoelectric Point 10.99
Extinction Coefficient [280nm] NA

Activity

IC50: Nicotinic acetylcholine receptors

TargetOrganismIC50AgonistRef
α9α10H. sapiens0.26 nM[0.15-0.45]100 μM AChGajewiak J et al. (2021)

References
Gajewiak J, Christensen SB, Dowell C, Hararah F, Fisher F, Huynh PN, Olivera BM, McIntosh JM (2021) Selective Penicillamine Substitution Enables Development of a Potent Analgesic Peptide that Acts through a Non-Opioid-Based Mechanism J Med Chem 64:9271-9278

Internal links
Nucleic acids
Structure

External links

Tools