This contains a group of peptides derived from a salivary gland cDNA library of the tick Ixodes scapularis [1]. Also present are peptides from a related tick species, Ixodes ricinus. They are characterised by a putative signal peptide indicative of secretion and conserved cysteine residues.

1: Exploring the sialome of the tick Ixodes scapularis. Valenzuela JG, Francischetti IM, Pham VM, Garfield MK, Mather TN, Ribeiro JM; J Exp Biol 2002;205:2843-2864. PMID:12177149