Probably participates in a plant defense mechanism. Displays insecticidal activity against H.armigera. Has weak hemolytic activity. Binds to phospholipid membranes. The presence of a 'disulfide through disulfide knot' structurally defines this protein as a knottin. Displays an unusual domain structure in comparison to other known cyclotides as the cyclotide is followed by a C-terminal albumin-like region. Cyclotide cter-M is a cyclic peptide. Belongs to the cyclotide family. Moebius subfamily.