IRBP (1-20), human is the 1-20 fragment of interphotoreceptor retinoid binding protein (IRBP).This peptide is a 1 to 20 amino acid fragment of the interphotoreceptor retinoid binding protein (IRBP). IRBP is a 140-kDa glycolipoprotein residing in the interphotoreceptor matrix between the neural retina and the retinal pigment epithelium.

Kemptide is a synthetic heptapeptide, acting as a substrate for cAMP-dependent protein kinase (PK).

Subcutaneous etonogestrel can be used for birth control.